Sun Jun 10 00:04:00 UTC 2012

34 files changed, 4479 insertions, 0 deletions

diff --git a/testing/glibc/PKGBUILD b/testing/glibc/PKGBUILD
new file mode 100644
index 000000000..bbcbf2f19
--- /dev/null
+++ b/testing/glibc/PKGBUILD
@@ -0,0 +1,321 @@
+# $Id: PKGBUILD 161273 2012-06-08 12:53:50Z allan $
+# Maintainer: Allan McRae <allan@archlinux.org>
+
+# toolchain build order: linux-api-headers->glibc->binutils->gcc->binutils->glibc
+# NOTE: valgrind requires rebuilt with each major glibc version
+
+pkgname=glibc
+pkgver=2.15
+pkgrel=11
+_glibcdate=20111227
+pkgdesc="GNU C Library"
+arch=('i686' 'x86_64')
+url="http://www.gnu.org/software/libc"
+license=('GPL' 'LGPL')
+groups=('base')
+depends=('linux-api-headers>=3.3' 'tzdata')
+makedepends=('gcc>=4.6')
+backup=(etc/gai.conf
+        etc/locale.gen
+        etc/nscd.conf)
+options=('!strip')
+install=glibc.install
+source=(ftp://ftp.archlinux.org/other/glibc/${pkgname}-${pkgver}_${_glibcdate}.tar.xz
+        glibc-2.15-do-not-install-timezone-files.patch
+        glibc-2.15-do-not-install-timezone-files-2.patch
+        glibc-__i686.patch
+        glibc-2.14-libdl-crash.patch
+        glibc-2.14-reexport-rpc-interface.patch
+        glibc-2.14-reinstall-nis-rpc-headers.patch
+        glibc-2.15-fix-res_query-assert.patch
+        glibc-2.15-regex.patch
+        glibc-2.15-lddebug-scopes.patch
+        glibc-2.15-revert-c5a0802a.patch
+        glibc-2.15-scanf.patch
+        glibc-2.15-ifunc.patch
+        glibc-2.15-avx.patch
+        glibc-2.15-strcasecmp-disable-avx.patch
+        glibc-2.15-gb18030.patch.gz
+        glibc-2.15-revert-netlink-cache.patch
+        glibc-2.15-arena.patch
+        glibc-2.15-negative-result-cache.patch
+        glibc-2.15-multiarch-x86-strcmp.patch
+        glibc-2.15-vdso.patch
+        glibc-2.15-feraiseexcept-plt.patch
+        glibc-2.15-vfprintf-nargs.patch
+        glibc-2.15-__libc_res_nquerydomain-out-of-bounds.patch
+        glibc-2.15-fmtmsg-locking.patch
+        glibc-2.15-non-signalling-comparisons.patch
+        glibc-2.15-rintf-rounding.patch
+        glibc-2.15-nearbyintf-rounding.patch
+        glibc-2.15-confstr-local-buffer-extent.patch
+        glibc-2.15-testsuite.patch
+        nscd
+        locale.gen.txt
+        locale-gen)
+md5sums=('6ffdf5832192b92f98bdd125317c0dfc'
+         '7ef69c530a15106de93e4de2df2d393e'
+         'b6c619e5cf91829a15ce34dccef676d5'
+         'addfddd648a4bf832eb126aba944ebae'
+         '6970bcfeb3bf88913436d5112d16f588'
+         'c5de2a946215d647c8af5432ec4b0da0'
+         '55febbb72139ac7b65757df085024b83'
+         '31f415b41197d85d3bbee3d1eecd06a3'
+         'b3526cbd5e29773560dba725db99af5a'
+         '3c219ddfb619b6df903cac4cc42c611d'
+         '7ae3e426251ae33e73dbad71f9c91378'
+         'f0782ddbf38e0b30ec6b85348816046f'
+         '3d844b53b2dbb7c996e39c7ad932f55d'
+         '41ae047ac88e8f6f547c70b0a0bc3b72'
+         'fccb89f6628f59752278e125c35941f8'
+         '001a4044ac3d59aca6ee144eaca57ab2'
+         '94b61302a7ca6c5764d013dc7738fcfe'
+         'a9ffadcfd2d357f91fee0b861fd4a7c6'
+         '2c46b8e294de24c531f2253ff69aeef3'
+         '7a2998a04ebfcf8bf820540f490ce714'
+         '0d77d20fa7fe2f87ad945cb9edb4d91d'
+         'bfdefac3d705f41fbf84b1de1dc945af'
+         '3443e89c1e98089cd6c3e3c23f0c3d85'
+         '340deaa582a95ddde86edb624c3bfea0'
+         '6bbac50e6ff82187654e6a0a7bd849e7'
+         'c483504cf404ed0b44480af627813a97'
+         '1419d61fd1dbc6cdc48bb59da86fa66f'
+         '7ff501435078b1a2622124fbeaafc921'
+         '8d1023a51e0932681b46440d5f8551ee'
+         '6962c3fa29306bfbf6f0d22b19cb825d'
+         'b587ee3a70c9b3713099295609afde49'
+         '07ac979b6ab5eeb778d55f041529d623'
+         '476e9113489f93b348b21e144b6a8fcf')
+
+mksource() {
+  git clone git://sourceware.org/git/glibc.git
+  pushd glibc
+  #git checkout -b glibc-2.15-arch origin/release/2.15/master
+  git checkout -b glibc-2.15-arch origin/master
+  popd
+  tar -cvJf glibc-${pkgver}_${_glibcdate}.tar.xz glibc/*
+}
+
+
+build() {
+  cd ${srcdir}/glibc
+
+  # timezone data is in separate package (tzdata)
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=482ff4da
+  patch -p1 -i ${srcdir}/glibc-2.15-do-not-install-timezone-files.patch
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=a458e7fe
+  patch -p1 -i ${srcdir}/glibc-2.15-do-not-install-timezone-files-2.patch
+
+  # undefine __i686
+  # http://sourceware.org/glibc/wiki/Release/2.15#Build_Failures
+  patch -p1 -i ${srcdir}/glibc-__i686.patch
+
+  # http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=675155e9  (fedora branch)
+  # http://sourceware.org/ml/libc-alpha/2011-06/msg00006.html
+  patch -p1 -i ${srcdir}/glibc-2.14-libdl-crash.patch
+
+  # re-export RPC interface until libtirpc is ready as a replacement
+  # http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=acee4873  (fedora branch)
+  patch -p1 -i ${srcdir}/glibc-2.14-reexport-rpc-interface.patch
+  # http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=bdd816a3  (fedora branch)
+  patch -p1 -i ${srcdir}/glibc-2.14-reinstall-nis-rpc-headers.patch
+
+  # fix res_query assertion
+  # http://sourceware.org/bugzilla/show_bug.cgi?id=13013
+  patch -p1 -i ${srcdir}/glibc-2.15-fix-res_query-assert.patch
+
+  # fix up regcomp/regexec
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=2ba92745
+  patch -p1 -i ${srcdir}/glibc-2.15-regex.patch
+
+  # propriety nvidia crash - https://bugzilla.redhat.com/show_bug.cgi?id=737223 
+  # http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=0c95ab64  (fedora branch)
+  patch -p1 -i ${srcdir}/glibc-2.15-lddebug-scopes.patch
+
+  # revert commit c5a0802a - causes various hangs
+  # https://bugzilla.redhat.com/show_bug.cgi?id=769421
+  # Note: fedora may have actual fix (not submitted upstream yet...)
+  # http://pkgs.fedoraproject.org/gitweb/?p=glibc.git;a=blob_plain;f=glibc-rh552960-2.patch
+  patch -p1 -i ${srcdir}/glibc-2.15-revert-c5a0802a.patch
+
+  # fix realloc usage in vfscanf
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=20b38e03
+  patch -p1 -i ${srcdir}/glibc-2.15-scanf.patch
+
+  # fix ifunc relocations
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=6ee65ed6
+  patch -p1 -i ${srcdir}/glibc-2.15-ifunc.patch
+        
+  # fix AVX detection
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=afc5ed09
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=08cf777f
+  patch -p1 -i ${srcdir}/glibc-2.15-avx.patch
+  # and "fix" strcasecmp
+  patch -p1 -i ${srcdir}/glibc-2.15-strcasecmp-disable-avx.patch
+
+  # fix GB18030 charmap
+  # http://sourceware.org/bugzilla/show_bug.cgi?id=11837
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=2a57bd79  (fedora branch)
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=3d828a61  (fedora branch)
+  patch -p1 -i ${srcdir}/glibc-2.15-gb18030.patch
+
+  # fix crash in __nscd_get_mapping if nscd not running
+  # http://sourceware.org/bugzilla/show_bug.cgi?id=13594 (potential fix in comment)
+  # reverts commit 3a2c0242 and other necessary following changes...
+  patch -p1 -i ${srcdir}/glibc-2.15-revert-netlink-cache.patch
+
+  # handle ARENA_TEST correctly
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=41b81892
+  patch -p1 -i ${srcdir}/glibc-2.15-arena.patch
+
+  # Do not cache negative results in nscd if these are transient
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=3e1aa84e
+  patch -p1 -i ${srcdir}/glibc-2.15-negative-result-cache.patch
+
+  # strcasecmp_l, strncasecmp_l act as strcmp for multiarch x86
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=0bab47b6
+  patch -p1 -i ${srcdir}/glibc-2.15-multiarch-x86-strcmp.patch
+  
+  # always set l_used for vDSO.
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=1f393a11
+  patch -p1 -i ${srcdir}/glibc-2.15-vdso.patch
+
+  # fix x86 PLT slot usage for feraiseexcept
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=7c35ffed
+  patch -p1 -i ${srcdir}/glibc-2.15-feraiseexcept-plt.patch
+
+  # vfprintf nargs overflow - CVE-2012-0864
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=7c1f4834
+  patch -p1 -i ${srcdir}/glibc-2.15-vfprintf-nargs.patch
+
+  # avoid out ouf bounds read in __libc_res_nquerydomain
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=8fdceb2e
+  patch -p1 -i ${srcdir}/glibc-2.15-__libc_res_nquerydomain-out-of-bounds.patch
+
+  # make fmtmsg function thread-safe
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=7724defc
+  patch -p1 -i ${srcdir}/glibc-2.15-fmtmsg-locking.patch
+
+  # use non-signaling floating-point comparisons in math functions
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=92221550
+  patch -p1 -i ${srcdir}/glibc-2.15-non-signalling-comparisons.patch
+
+  # fix rintf rounding.
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=fe45ce09
+  patch -p1 -i ${srcdir}/glibc-2.15-rintf-rounding.patch
+
+  # fix nearbyintf rounding
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=6cbeae47
+  patch -p1 -i ${srcdir}/glibc-2.15-nearbyintf-rounding.patch
+
+  # fix varaible scope issue in confstr
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=ac4c54f0
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=d6a403f9
+  patch -p1 -i ${srcdir}/glibc-2.15-confstr-local-buffer-extent.patch
+
+  # fix testsuite failures with --as-needed
+  # http://sourceware.org/git/?p=glibc.git;a=commit;h=d4c2917f
+  patch -p1 -i ${srcdir}/glibc-2.15-testsuite.patch
+
+  install -dm755 ${pkgdir}/etc
+  touch ${pkgdir}/etc/ld.so.conf
+
+  cd ${srcdir}
+  mkdir glibc-build
+  cd glibc-build
+
+  if [[ ${CARCH} = "i686" ]]; then
+    # Hack to fix NPTL issues with Xen, only required on 32bit platforms
+    # TODO: make separate glibc-xen package for i686
+    export CFLAGS="${CFLAGS} -mno-tls-direct-seg-refs"
+  fi
+
+  echo "slibdir=/lib" >> configparms
+
+  # remove hardening options from CFLAGS for building libraries
+  CFLAGS=${CFLAGS/-fstack-protector/}
+  CFLAGS=${CFLAGS/-D_FORTIFY_SOURCE=2/}
+
+  ${srcdir}/glibc/configure --prefix=/usr \
+      --libdir=/usr/lib --libexecdir=/usr/lib \
+      --with-headers=/usr/include \
+      --enable-add-ons=nptl,libidn \
+      --enable-kernel=2.6.32 \
+      --enable-bind-now --disable-profile \
+      --enable-multi-arch
+
+  # build libraries with hardening disabled
+  echo "build-programs=no" >> configparms
+  make
+  
+  # re-enable hardening for programs
+  sed -i "/build-programs=/s#no#yes#" configparms
+  echo "CC += -fstack-protector -D_FORTIFY_SOURCE=2" >> configparms
+  echo "CXX += -fstack-protector -D_FORTIFY_SOURCE=2" >> configparms
+  make
+
+  # remove harding in preparation to run test-suite
+  sed -i '2,4d' configparms
+}
+
+check() {
+  cd ${srcdir}/glibc-build
+  make -k check
+}
+
+package() {
+  cd ${srcdir}/glibc-build
+  make install_root=${pkgdir} install
+
+  rm -f ${pkgdir}/etc/ld.so.{cache,conf}
+
+  install -dm755 ${pkgdir}/etc/rc.d
+  install -dm755 ${pkgdir}/usr/sbin
+  install -dm755 ${pkgdir}/usr/lib/locale
+  install -m644 ${srcdir}/glibc/nscd/nscd.conf ${pkgdir}/etc/nscd.conf
+  install -m755 ${srcdir}/nscd ${pkgdir}/etc/rc.d/nscd
+  install -m755 ${srcdir}/locale-gen ${pkgdir}/usr/sbin
+  install -m644 ${srcdir}/glibc/posix/gai.conf ${pkgdir}/etc/gai.conf
+
+  sed -i -e 's/^\tserver-user/#\tserver-user/' ${pkgdir}/etc/nscd.conf
+
+  # create /etc/locale.gen
+  install -m644 ${srcdir}/locale.gen.txt ${pkgdir}/etc/locale.gen
+  sed -i "s|/| |g" ${srcdir}/glibc/localedata/SUPPORTED
+  sed -i 's|\\| |g' ${srcdir}/glibc/localedata/SUPPORTED
+  sed -i "s|SUPPORTED-LOCALES=||" ${srcdir}/glibc/localedata/SUPPORTED
+  cat ${srcdir}/glibc/localedata/SUPPORTED >> ${pkgdir}/etc/locale.gen
+  sed -i "s|^|#|g" ${pkgdir}/etc/locale.gen
+
+  if [[ ${CARCH} = "x86_64" ]]; then
+    # fix for the linker
+    sed -i '/RTLDLIST/s%lib64%lib%' ${pkgdir}/usr/bin/ldd
+    # Comply with multilib binaries, they look for the linker in /lib64
+    mkdir ${pkgdir}/lib64
+    cd ${pkgdir}/lib64
+    ln -v -s ../lib/ld* .
+  fi
+  
+  # Do not strip the following files for improved debugging support
+  # ("improved" as in not breaking gdb and valgrind...):
+  #   ld-${pkgver}.so
+  #   libc-${pkgver}.so
+  #   libpthread-${pkgver}.so
+  #   libthread_db-1.0.so
+
+  cd $pkgdir
+  strip $STRIP_BINARIES sbin/{ldconfig,sln} \
+                        usr/bin/{gencat,getconf,getent,iconv,locale,localedef} \
+                        usr/bin/{makedb,pcprofiledump,pldd,rpcgen,sprof} \
+                        usr/lib/getconf/* \
+                        usr/sbin/{iconvconfig,nscd}
+  [[ $CARCH = "i686" ]] && strip $STRIP_BINARIES usr/bin/lddlibc4
+
+  strip $STRIP_STATIC usr/lib/*.a
+
+  strip $STRIP_SHARED lib/{libanl,libBrokenLocale,libcidn,libcrypt}-${pkgver}.so \
+                      lib/libnss_{compat,db,dns,files,hesiod,nis,nisplus}-${pkgver}.so \
+                      lib/{libdl,libm,libnsl,libresolv,librt,libutil}-${pkgver}.so \
+                      lib/{libmemusage,libpcprofile,libSegFault}.so \
+                      usr/lib/{pt_chown,{audit,gconv}/*.so}
+}
diff --git a/testing/glibc/glibc-2.14-libdl-crash.patch b/testing/glibc/glibc-2.14-libdl-crash.patch
new file mode 100644
index 000000000..6c9d2718e
--- /dev/null
+++ b/testing/glibc/glibc-2.14-libdl-crash.patch
@@ -0,0 +1,132 @@
+diff --git a/elf/dl-close.c b/elf/dl-close.c
+index 73b2a2f..9bd91e3 100644
+--- a/elf/dl-close.c
++++ b/elf/dl-close.c
+@@ -1,5 +1,5 @@
+ /* Close a shared object opened by `_dl_open'.
+-   Copyright (C) 1996-2007, 2009, 2010, 2011 Free Software Foundation, Inc.
++   Copyright (C) 1996-2007, 2009, 2010 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+ 
+    The GNU C Library is free software; you can redistribute it and/or
+@@ -119,17 +119,8 @@ _dl_close_worker (struct link_map *map)
+   if (map->l_direct_opencount > 0 || map->l_type != lt_loaded
+       || dl_close_state != not_pending)
+     {
+-      if (map->l_direct_opencount == 0)
+-	{
+-	  if (map->l_type == lt_loaded)
+-	    dl_close_state = rerun;
+-	  else if (map->l_type == lt_library)
+-	    {
+-	      struct link_map **oldp = map->l_initfini;
+-	      map->l_initfini = map->l_orig_initfini;
+-	      _dl_scope_free (oldp);
+-	    }
+-	}
++      if (map->l_direct_opencount == 0 && map->l_type == lt_loaded)
++	dl_close_state = rerun;
+ 
+       /* There are still references to this object.  Do nothing more.  */
+       if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_FILES, 0))
+diff --git a/elf/dl-deps.c b/elf/dl-deps.c
+index 9e30594..3890d00 100644
+--- a/elf/dl-deps.c
++++ b/elf/dl-deps.c
+@@ -478,6 +478,7 @@ _dl_map_object_deps (struct link_map *map,
+ 		  nneeded * sizeof needed[0]);
+ 	  atomic_write_barrier ();
+ 	  l->l_initfini = l_initfini;
++	  l->l_free_initfini = 1;
+ 	}
+ 
+       /* If we have no auxiliary objects just go on to the next map.  */
+@@ -681,6 +682,7 @@ Filters not supported with LD_TRACE_PRELINKING"));
+   l_initfini[nlist] = NULL;
+   atomic_write_barrier ();
+   map->l_initfini = l_initfini;
++  map->l_free_initfini = 1;
+   if (l_reldeps != NULL)
+     {
+       atomic_write_barrier ();
+@@ -689,5 +691,5 @@ Filters not supported with LD_TRACE_PRELINKING"));
+       _dl_scope_free (old_l_reldeps);
+     }
+   if (old_l_initfini != NULL)
+-      map->l_orig_initfini = old_l_initfini;
++    _dl_scope_free (old_l_initfini);
+ 
+diff --git a/elf/dl-libc.c b/elf/dl-libc.c
+index 7be9483..a13fce3 100644
+--- a/elf/dl-libc.c
++++ b/elf/dl-libc.c
+@@ -265,13 +265,13 @@ libc_freeres_fn (free_mem)
+ 
+   for (Lmid_t ns = 0; ns < GL(dl_nns); ++ns)
+     {
+-      /* Remove all additional names added to the objects.  */
+       for (l = GL(dl_ns)[ns]._ns_loaded; l != NULL; l = l->l_next)
+ 	{
+ 	  struct libname_list *lnp = l->l_libname->next;
+ 
+ 	  l->l_libname->next = NULL;
+ 
++	  /* Remove all additional names added to the objects.  */
+ 	  while (lnp != NULL)
+ 	    {
+ 	      struct libname_list *old = lnp;
+@@ -279,6 +279,10 @@ libc_freeres_fn (free_mem)
+ 	      if (! old->dont_free)
+ 		free (old);
+ 	    }
++
++	  /* Free the initfini dependency list.  */
++	  if (l->l_free_initfini)
++	    free (l->l_initfini);
+ 	}
+ 
+       if (__builtin_expect (GL(dl_ns)[ns]._ns_global_scope_alloc, 0) != 0
+diff --git a/elf/rtld.c b/elf/rtld.c
+index 4a9109e..617e30e 100644
+--- a/elf/rtld.c
++++ b/elf/rtld.c
+@@ -2251,6 +2251,7 @@ ERROR: ld.so: object '%s' cannot be loaded as audit interface: %s; ignored.\n",
+ 	      lnp->dont_free = 1;
+ 	      lnp = lnp->next;
+ 	    }
++	  l->l_free_initfini = 0;
+ 
+ 	  if (l != &GL(dl_rtld_map))
+ 	    _dl_relocate_object (l, l->l_scope, GLRO(dl_lazy) ? RTLD_LAZY : 0,
+diff --git a/include/link.h b/include/link.h
+index e877104..051b99a 100644
+--- a/include/link.h
++++ b/include/link.h
+@@ -1,6 +1,6 @@
+ /* Data structure for communication from the run-time dynamic linker for
+    loaded ELF shared objects.
+-   Copyright (C) 1995-2006, 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
++   Copyright (C) 1995-2006, 2007, 2009, 2010 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+ 
+    The GNU C Library is free software; you can redistribute it and/or
+@@ -192,6 +192,9 @@ struct link_map
+ 						 during LD_TRACE_PRELINKING=1
+ 						 contains any DT_SYMBOLIC
+ 						 libraries.  */
++    unsigned int l_free_initfini:1; /* Nonzero if l_initfini can be
++				       freed, ie. not allocated with
++				       the dummy malloc in ld.so.  */
+ 
+     /* Collected information about own RPATH directories.  */
+     struct r_search_path_struct l_rpath_dirs;
+@@ -240,9 +243,6 @@ struct link_map
+ 
+     /* List of object in order of the init and fini calls.  */
+     struct link_map **l_initfini;
+-    /* The init and fini list generated at startup, saved when the
+-       object is also loaded dynamically.  */
+-    struct link_map **l_orig_initfini;
+ 
+     /* List of the dependencies introduced through symbol binding.  */
+     struct link_map_reldeps
diff --git a/testing/glibc/glibc-2.14-reexport-rpc-interface.patch b/testing/glibc/glibc-2.14-reexport-rpc-interface.patch
new file mode 100644
index 000000000..e2beea881
--- /dev/null
+++ b/testing/glibc/glibc-2.14-reexport-rpc-interface.patch
@@ -0,0 +1,26 @@
+diff --git a/include/libc-symbols.h b/include/libc-symbols.h
+index 67e1ca2..5e7cca5 100644
+--- a/include/libc-symbols.h
++++ b/include/libc-symbols.h
+@@ -635,7 +635,7 @@ for linking")
+ # define libc_hidden_proto(name, attrs...) hidden_proto (name, ##attrs)
+ # define libc_hidden_def(name) hidden_def (name)
+ # define libc_hidden_weak(name) hidden_weak (name)
+-# define libc_hidden_nolink(name, version) hidden_nolink (name, libc, version)
++# define libc_hidden_nolink(name, version) hidden_def (name)
+ # define libc_hidden_ver(local, name) hidden_ver (local, name)
+ # define libc_hidden_data_def(name) hidden_data_def (name)
+ # define libc_hidden_data_weak(name) hidden_data_weak (name)
+diff --git a/sunrpc/Makefile b/sunrpc/Makefile
+index 5134ce9..40c73d1 100644
+--- a/sunrpc/Makefile
++++ b/sunrpc/Makefile
+@@ -53,7 +53,7 @@ headers-in-tirpc = $(addprefix rpc/,auth.h auth_unix.h clnt.h pmap_clnt.h \
+ 				    des_crypt.h)
+ headers-not-in-tirpc = $(addprefix rpc/,key_prot.h rpc_des.h) \
+ 		       $(rpcsvc:%=rpcsvc/%) rpcsvc/bootparam.h
+-headers = rpc/netdb.h
++headers = rpc/netdb.h $(headers-in-tirpc) $(headers-not-in-tirpc)
+ install-others = $(inst_sysconfdir)/rpc
+ generated = $(rpcsvc:%.x=rpcsvc/%.h) $(rpcsvc:%.x=x%.c) $(rpcsvc:%.x=x%.stmp) \
+ 	    $(rpcsvc:%.x=rpcsvc/%.stmp) rpcgen
diff --git a/testing/glibc/glibc-2.14-reinstall-nis-rpc-headers.patch b/testing/glibc/glibc-2.14-reinstall-nis-rpc-headers.patch
new file mode 100644
index 000000000..eb0fd822d
--- /dev/null
+++ b/testing/glibc/glibc-2.14-reinstall-nis-rpc-headers.patch
@@ -0,0 +1,28 @@
+From bdd816a366c4e5bba5de7157d948e0c0737fb4fb Mon Sep 17 00:00:00 2001
+From: Andreas Schwab <schwab@redhat.com>
+Date: Tue, 17 May 2011 17:42:30 +0200
+Subject: [PATCH] Reinstall NIS RPC headers
+
+---
+ nis/Makefile |    4 ++--
+ 1 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/nis/Makefile b/nis/Makefile
+index b5c9609..d2934d9 100644
+--- a/nis/Makefile
++++ b/nis/Makefile
+@@ -23,9 +23,9 @@ subdir	:= nis
+ 
+ aux			:= nis_hash
+ 
++headers			:= $(wildcard rpcsvc/*.[hx])
+ distribute		:= nss-nis.h nss-nisplus.h nis_intern.h Banner \
+-			   nisplus-parser.h nis_xdr.h nss \
+-			   $(wildcard rpcsvc/*.[hx])
++			   nisplus-parser.h nis_xdr.h nss
+ 
+ # These are the databases available for the nis (and perhaps later nisplus)
+ # service.  This must be a superset of the services in nss.
+-- 
+1.7.5.4
+
diff --git a/testing/glibc/glibc-2.15-__libc_res_nquerydomain-out-of-bounds.patch b/testing/glibc/glibc-2.15-__libc_res_nquerydomain-out-of-bounds.patch
new file mode 100644
index 000000000..6f0a0398f
--- /dev/null
+++ b/testing/glibc/glibc-2.15-__libc_res_nquerydomain-out-of-bounds.patch
@@ -0,0 +1,24 @@
+diff --git a/resolv/res_query.c b/resolv/res_query.c
+index 947c651..abccd4a 100644
+--- a/resolv/res_query.c
++++ b/resolv/res_query.c
+@@ -556,12 +556,16 @@ __libc_res_nquerydomain(res_state statp,
+ 		 * copy without '.' if present.
+ 		 */
+ 		n = strlen(name);
+-		if (n >= MAXDNAME) {
++
++		/* Decrement N prior to checking it against MAXDNAME
++		   so that we detect a wrap to SIZE_MAX and return
++		   a reasonable error.  */
++		n--;
++		if (n >= MAXDNAME - 1) {
+ 			RES_SET_H_ERRNO(statp, NO_RECOVERY);
+ 			return (-1);
+ 		}
+-		n--;
+-		if (n >= 0 && name[n] == '.') {
++		if (name[n] == '.') {
+ 			strncpy(nbuf, name, n);
+ 			nbuf[n] = '\0';
+ 		} else
diff --git a/testing/glibc/glibc-2.15-arena.patch b/testing/glibc/glibc-2.15-arena.patch
new file mode 100644
index 000000000..46f52e98d
--- /dev/null
+++ b/testing/glibc/glibc-2.15-arena.patch
@@ -0,0 +1,29 @@
+diff --git a/malloc/arena.c b/malloc/arena.c
+index d3cf4b9..b1c9469 100644
+--- a/malloc/arena.c
++++ b/malloc/arena.c
+@@ -828,7 +828,7 @@ arena_get2(mstate a_tsd, size_t size)
+ 	{
+ 	  if (mp_.arena_max != 0)
+ 	    narenas_limit = mp_.arena_max;
+-	  else
++	  else if (narenas > mp_.arena_test)
+ 	    {
+ 	      int n  = __get_nprocs ();
+ 
+@@ -842,7 +842,14 @@ arena_get2(mstate a_tsd, size_t size)
+ 	}
+     repeat:;
+       size_t n = narenas;
+-      if (__builtin_expect (n <= mp_.arena_test || n < narenas_limit, 0))
++      /* NB: the following depends on the fact that (size_t)0 - 1 is a
++	 very large number and that the underflow is OK.  If arena_max
++	 is set the value of arena_test is irrelevant.  If arena_test
++	 is set but narenas is not yet larger or equal to arena_test
++	 narenas_limit is 0.  There is no possibility for narenas to
++	 be too big for the test to always fail since there is not
++	 enough address space to create that many arenas.  */
++      if (__builtin_expect (n <= narenas_limit - 1, 0))
+ 	{
+ 	  if (catomic_compare_and_exchange_bool_acq (&narenas, n + 1, n))
+ 	    goto repeat;
diff --git a/testing/glibc/glibc-2.15-avx.patch b/testing/glibc/glibc-2.15-avx.patch
new file mode 100644
index 000000000..5439da8d0
--- /dev/null
+++ b/testing/glibc/glibc-2.15-avx.patch
@@ -0,0 +1,196 @@
+diff --git a/sysdeps/x86_64/fpu/multiarch/e_atan2.c b/sysdeps/x86_64/fpu/multiarch/e_atan2.c
+index 6867c6e..3a615fc 100644
+--- a/sysdeps/x86_64/fpu/multiarch/e_atan2.c
++++ b/sysdeps/x86_64/fpu/multiarch/e_atan2.c
+@@ -14,7 +14,7 @@ extern double __ieee754_atan2_fma4 (double, double);
+ 
+ libm_ifunc (__ieee754_atan2,
+ 	    HAS_FMA4 ? __ieee754_atan2_fma4
+-	    : (HAS_AVX ? __ieee754_atan2_avx : __ieee754_atan2_sse2));
++	    : (HAS_YMM_USABLE ? __ieee754_atan2_avx : __ieee754_atan2_sse2));
+ strong_alias (__ieee754_atan2, __atan2_finite)
+ 
+ # define __ieee754_atan2 __ieee754_atan2_sse2
+diff --git a/sysdeps/x86_64/fpu/multiarch/e_exp.c b/sysdeps/x86_64/fpu/multiarch/e_exp.c
+index 3c65028..7b2320a 100644
+--- a/sysdeps/x86_64/fpu/multiarch/e_exp.c
++++ b/sysdeps/x86_64/fpu/multiarch/e_exp.c
+@@ -14,7 +14,7 @@ extern double __ieee754_exp_fma4 (double);
+ 
+ libm_ifunc (__ieee754_exp,
+ 	    HAS_FMA4 ? __ieee754_exp_fma4
+-	    : (HAS_AVX ? __ieee754_exp_avx : __ieee754_exp_sse2));
++	    : (HAS_YMM_USABLE ? __ieee754_exp_avx : __ieee754_exp_sse2));
+ strong_alias (__ieee754_exp, __exp_finite)
+ 
+ # define __ieee754_exp __ieee754_exp_sse2
+diff --git a/sysdeps/x86_64/fpu/multiarch/e_log.c b/sysdeps/x86_64/fpu/multiarch/e_log.c
+index 3b468d0..ab277d6 100644
+--- a/sysdeps/x86_64/fpu/multiarch/e_log.c
++++ b/sysdeps/x86_64/fpu/multiarch/e_log.c
+@@ -14,7 +14,7 @@ extern double __ieee754_log_fma4 (double);
+ 
+ libm_ifunc (__ieee754_log,
+ 	    HAS_FMA4 ? __ieee754_log_fma4
+-	    : (HAS_AVX ? __ieee754_log_avx
++	    : (HAS_YMM_USABLE ? __ieee754_log_avx
+ 	       : __ieee754_log_sse2));
+ strong_alias (__ieee754_log, __log_finite)
+ 
+diff --git a/sysdeps/x86_64/fpu/multiarch/s_atan.c b/sysdeps/x86_64/fpu/multiarch/s_atan.c
+index 3160201..78c7e09 100644
+--- a/sysdeps/x86_64/fpu/multiarch/s_atan.c
++++ b/sysdeps/x86_64/fpu/multiarch/s_atan.c
+@@ -12,7 +12,8 @@ extern double __atan_fma4 (double);
+ #  define __atan_fma4 ((void *) 0)
+ # endif
+ 
+-libm_ifunc (atan, HAS_FMA4 ? __atan_fma4 : HAS_AVX ? __atan_avx : __atan_sse2);
++libm_ifunc (atan, (HAS_FMA4 ? __atan_fma4 :
++		   HAS_YMM_USABLE ? __atan_avx : __atan_sse2));
+ 
+ # define atan __atan_sse2
+ #endif
+diff --git a/sysdeps/x86_64/fpu/multiarch/s_sin.c b/sysdeps/x86_64/fpu/multiarch/s_sin.c
+index 1ba9dbc..417acd0 100644
+--- a/sysdeps/x86_64/fpu/multiarch/s_sin.c
++++ b/sysdeps/x86_64/fpu/multiarch/s_sin.c
+@@ -17,10 +17,12 @@ extern double __sin_fma4 (double);
+ #  define __sin_fma4 ((void *) 0)
+ # endif
+ 
+-libm_ifunc (__cos, HAS_FMA4 ? __cos_fma4 : HAS_AVX ? __cos_avx : __cos_sse2);
++libm_ifunc (__cos, (HAS_FMA4 ? __cos_fma4 :
++		    HAS_YMM_USABLE ? __cos_avx : __cos_sse2));
+ weak_alias (__cos, cos)
+ 
+-libm_ifunc (__sin, HAS_FMA4 ? __sin_fma4 : HAS_AVX ? __sin_avx : __sin_sse2);
++libm_ifunc (__sin, (HAS_FMA4 ? __sin_fma4 :
++		    HAS_YMM_USABLE ? __sin_avx : __sin_sse2));
+ weak_alias (__sin, sin)
+ 
+ # define __cos __cos_sse2
+diff --git a/sysdeps/x86_64/fpu/multiarch/s_tan.c b/sysdeps/x86_64/fpu/multiarch/s_tan.c
+index 8f6601e..3047155 100644
+--- a/sysdeps/x86_64/fpu/multiarch/s_tan.c
++++ b/sysdeps/x86_64/fpu/multiarch/s_tan.c
+@@ -12,7 +12,8 @@ extern double __tan_fma4 (double);
+ #  define __tan_fma4 ((void *) 0)
+ # endif
+ 
+-libm_ifunc (tan, HAS_FMA4 ? __tan_fma4 : HAS_AVX ? __tan_avx : __tan_sse2);
++libm_ifunc (tan, (HAS_FMA4 ? __tan_fma4 :
++		  HAS_YMM_USABLE ? __tan_avx : __tan_sse2));
+ 
+ # define tan __tan_sse2
+ #endif
+diff --git a/sysdeps/x86_64/multiarch/init-arch.c b/sysdeps/x86_64/multiarch/init-arch.c
+index 65b0ee9..76d146c 100644
+--- a/sysdeps/x86_64/multiarch/init-arch.c
++++ b/sysdeps/x86_64/multiarch/init-arch.c
+@@ -1,6 +1,6 @@
+ /* Initialize CPU feature data.
+    This file is part of the GNU C Library.
+-   Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
++   Copyright (C) 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+    Contributed by Ulrich Drepper <drepper@redhat.com>.
+ 
+    The GNU C Library is free software; you can redistribute it and/or
+@@ -144,6 +144,18 @@ __init_cpu_features (void)
+   else
+     kind = arch_kind_other;
+ 
++  if (__cpu_features.cpuid[COMMON_CPUID_INDEX_1].ecx & bit_AVX)
++    {
++      /* Reset the AVX bit in case OSXSAVE is disabled.  */
++      if ((__cpu_features.cpuid[COMMON_CPUID_INDEX_1].ecx & bit_OSXSAVE) != 0
++	  && ({ unsigned int xcrlow;
++		unsigned int xcrhigh;
++		asm ("xgetbv"
++		     : "=a" (xcrlow), "=d" (xcrhigh) : "c" (0));
++		(xcrlow & 6) == 6; }))
++	__cpu_features.feature[index_YMM_Usable] |= bit_YMM_Usable;
++    }
++
+   __cpu_features.family = family;
+   __cpu_features.model = model;
+   atomic_write_barrier ();
+diff --git a/sysdeps/x86_64/multiarch/init-arch.h b/sysdeps/x86_64/multiarch/init-arch.h
+index 2a1df39..2dc75ab 100644
+--- a/sysdeps/x86_64/multiarch/init-arch.h
++++ b/sysdeps/x86_64/multiarch/init-arch.h
+@@ -1,5 +1,5 @@
+ /* This file is part of the GNU C Library.
+-   Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
++   Copyright (C) 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+ 
+    The GNU C Library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+@@ -22,11 +22,13 @@
+ #define bit_Prefer_SSE_for_memop	(1 << 3)
+ #define bit_Fast_Unaligned_Load		(1 << 4)
+ #define bit_Prefer_PMINUB_for_stringop	(1 << 5)
++#define bit_YMM_Usable			(1 << 6)
+ 
+ #define bit_SSE2	(1 << 26)
+ #define bit_SSSE3	(1 << 9)
+ #define bit_SSE4_1	(1 << 19)
+ #define bit_SSE4_2	(1 << 20)
++#define bit_OSXSAVE	(1 << 27)
+ #define bit_AVX		(1 << 28)
+ #define bit_POPCOUNT	(1 << 23)
+ #define bit_FMA		(1 << 12)
+@@ -48,6 +50,7 @@
+ # define index_Prefer_SSE_for_memop	FEATURE_INDEX_1*FEATURE_SIZE
+ # define index_Fast_Unaligned_Load	FEATURE_INDEX_1*FEATURE_SIZE
+ # define index_Prefer_PMINUB_for_stringop FEATURE_INDEX_1*FEATURE_SIZE
++# define index_YMM_Usable		FEATURE_INDEX_1*FEATURE_SIZE
+ 
+ #else	/* __ASSEMBLER__ */
+ 
+@@ -92,7 +95,7 @@ extern struct cpu_features
+ 
+ 
+ extern void __init_cpu_features (void) attribute_hidden;
+-#define INIT_ARCH()\
++# define INIT_ARCH() \
+   do							\
+     if (__cpu_features.kind == arch_kind_unknown)	\
+       __init_cpu_features ();				\
+@@ -125,23 +128,21 @@ extern const struct cpu_features *__get_cpu_features (void)
+ # define index_Slow_BSF			FEATURE_INDEX_1
+ # define index_Prefer_SSE_for_memop	FEATURE_INDEX_1
+ # define index_Fast_Unaligned_Load	FEATURE_INDEX_1
++# define index_YMM_Usable		FEATURE_INDEX_1
+ 
+-#define HAS_ARCH_FEATURE(idx, bit) \
+-  ((__get_cpu_features ()->feature[idx] & (bit)) != 0)
++# define HAS_ARCH_FEATURE(name) \
++  ((__get_cpu_features ()->feature[index_##name] & (bit_##name)) != 0)
+ 
+-#define HAS_FAST_REP_STRING \
+-  HAS_ARCH_FEATURE (index_Fast_Rep_String, bit_Fast_Rep_String)
++# define HAS_FAST_REP_STRING	HAS_ARCH_FEATURE (Fast_Rep_String)
+ 
+-#define HAS_FAST_COPY_BACKWARD \
+-  HAS_ARCH_FEATURE (index_Fast_Copy_Backward, bit_Fast_Copy_Backward)
++# define HAS_FAST_COPY_BACKWARD	HAS_ARCH_FEATURE (Fast_Copy_Backward)
+ 
+-#define HAS_SLOW_BSF \
+-  HAS_ARCH_FEATURE (index_Slow_BSF, bit_Slow_BSF)
++# define HAS_SLOW_BSF		HAS_ARCH_FEATURE (Slow_BSF)
+ 
+-#define HAS_PREFER_SSE_FOR_MEMOP \
+-  HAS_ARCH_FEATURE (index_Prefer_SSE_for_memop, bit_Prefer_SSE_for_memop)
++# define HAS_PREFER_SSE_FOR_MEMOP HAS_ARCH_FEATURE (Prefer_SSE_for_memop)
+ 
+-#define HAS_FAST_UNALIGNED_LOAD \
+-  HAS_ARCH_FEATURE (index_Fast_Unaligned_Load, bit_Fast_Unaligned_Load)
++# define HAS_FAST_UNALIGNED_LOAD HAS_ARCH_FEATURE (Fast_Unaligned_Load)
++
++# define HAS_YMM_USABLE		HAS_ARCH_FEATURE (YMM_Usable)
+ 
+ #endif	/* __ASSEMBLER__ */
+-- 
+1.7.9
+
diff --git a/testing/glibc/glibc-2.15-confstr-local-buffer-extent.patch b/testing/glibc/glibc-2.15-confstr-local-buffer-extent.patch
new file mode 100644
index 000000000..483b28532
--- /dev/null
+++ b/testing/glibc/glibc-2.15-confstr-local-buffer-extent.patch
@@ -0,0 +1,297 @@
+diff --git a/posix/confstr.c b/posix/confstr.c
+index 3c9566d..cad6561 100644
+--- a/posix/confstr.c
++++ b/posix/confstr.c
+@@ -35,6 +34,10 @@ confstr (name, buf, len)
+   const char *string = "";
+   size_t string_len = 1;
+ 
++  /* Note that this buffer must be large enough for the longest strings
++     used below.  */
++  char restenvs[4 * sizeof "POSIX_V7_LPBIG_OFFBIG"];
++
+   switch (name)
+     {
+     case _CS_PATH:
+@@ -53,59 +56,55 @@ confstr (name, buf, len)
+ 	 wint_t types are no greater than the width of type long.
+ 
+ 	 Currently this means all environment which the system allows.  */
+-      {
+-	char restenvs[4 * sizeof "POSIX_V7_LPBIG_OFFBIG"];
+-
+-	string_len = 0;
++      string_len = 0;
+ #ifndef _POSIX_V7_ILP32_OFF32
+-	if (__sysconf (_SC_V7_ILP32_OFF32) > 0)
++      if (__sysconf (_SC_V7_ILP32_OFF32) > 0)
+ #endif
+ #if !defined _POSIX_V7_ILP32_OFF32 || _POSIX_V7_ILP32_OFF32 > 0
+-	  {
+-	    memcpy (restenvs + string_len, "POSIX_V7_ILP32_OFF32",
+-		    sizeof "POSIX_V7_ILP32_OFF32" - 1);
+-	    string_len += sizeof "POSIX_V7_ILP32_OFF32" - 1;
+-	  }
++	{
++	  memcpy (restenvs + string_len, "POSIX_V7_ILP32_OFF32",
++		  sizeof "POSIX_V7_ILP32_OFF32" - 1);
++	  string_len += sizeof "POSIX_V7_ILP32_OFF32" - 1;
++	}
+ #endif
+ #ifndef _POSIX_V7_ILP32_OFFBIG
+-	if (__sysconf (_SC_V7_ILP32_OFFBIG) > 0)
++      if (__sysconf (_SC_V7_ILP32_OFFBIG) > 0)
+ #endif
+ #if !defined _POSIX_V7_ILP32_OFFBIG || _POSIX_V7_ILP32_OFFBIG > 0
+-	  {
+-	    if (string_len)
+-	      restenvs[string_len++] = '\n';
+-	    memcpy (restenvs + string_len, "POSIX_V7_ILP32_OFFBIG",
+-		    sizeof "POSIX_V7_ILP32_OFFBIG" - 1);
+-	    string_len += sizeof "POSIX_V7_ILP32_OFFBIG" - 1;
+-	  }
++	{
++	  if (string_len)
++	    restenvs[string_len++] = '\n';
++	  memcpy (restenvs + string_len, "POSIX_V7_ILP32_OFFBIG",
++		  sizeof "POSIX_V7_ILP32_OFFBIG" - 1);
++	  string_len += sizeof "POSIX_V7_ILP32_OFFBIG" - 1;
++	}
+ #endif
+ #ifndef _POSIX_V7_LP64_OFF64
+-	if (__sysconf (_SC_V7_LP64_OFF64) > 0)
++      if (__sysconf (_SC_V7_LP64_OFF64) > 0)
+ #endif
+ #if !defined _POSIX_V7_LP64_OFF64 || _POSIX_V7_LP64_OFF64 > 0
+-	  {
+-	    if (string_len)
+-	      restenvs[string_len++] = '\n';
+-	    memcpy (restenvs + string_len, "POSIX_V7_LP64_OFF64",
+-		    sizeof "POSIX_V7_LP64_OFF64" - 1);
+-	    string_len += sizeof "POSIX_V7_LP64_OFF64" - 1;
+-	  }
++	{
++	  if (string_len)
++	    restenvs[string_len++] = '\n';
++	  memcpy (restenvs + string_len, "POSIX_V7_LP64_OFF64",
++		  sizeof "POSIX_V7_LP64_OFF64" - 1);
++	  string_len += sizeof "POSIX_V7_LP64_OFF64" - 1;
++	}
+ #endif
+ #ifndef _POSIX_V7_LPBIG_OFFBIG
+-	if (__sysconf (_SC_V7_LPBIG_OFFBIG) > 0)
++      if (__sysconf (_SC_V7_LPBIG_OFFBIG) > 0)
+ #endif
+ #if !defined _POSIX_V7_LPBIG_OFFBIG || _POSIX_V7_LPBIG_OFFBIG > 0
+-	  {
+-	    if (string_len)
+-	      restenvs[string_len++] = '\n';
+-	    memcpy (restenvs + string_len, "POSIX_V7_LPBIG_OFFBIG",
+-		    sizeof "POSIX_V7_LPBIG_OFFBIG" - 1);
+-	    string_len += sizeof "POSIX_V7_LPBIG_OFFBIG" - 1;
+-	  }
+-#endif
+-	restenvs[string_len++] = '\0';
+-	string = restenvs;
+-      }
++	{
++	  if (string_len)
++	    restenvs[string_len++] = '\n';
++	  memcpy (restenvs + string_len, "POSIX_V7_LPBIG_OFFBIG",
++		  sizeof "POSIX_V7_LPBIG_OFFBIG" - 1);
++	  string_len += sizeof "POSIX_V7_LPBIG_OFFBIG" - 1;
++	}
++#endif
++      restenvs[string_len++] = '\0';
++      string = restenvs;
+       break;
+ 
+     case _CS_V6_WIDTH_RESTRICTED_ENVS:
+@@ -116,59 +115,55 @@ confstr (name, buf, len)
+ 	 wint_t types are no greater than the width of type long.
+ 
+ 	 Currently this means all environment which the system allows.  */
+-      {
+-	char restenvs[4 * sizeof "POSIX_V6_LPBIG_OFFBIG"];
+-
+-	string_len = 0;
++      string_len = 0;
+ #ifndef _POSIX_V6_ILP32_OFF32
+-	if (__sysconf (_SC_V6_ILP32_OFF32) > 0)
++      if (__sysconf (_SC_V6_ILP32_OFF32) > 0)
+ #endif
+ #if !defined _POSIX_V6_ILP32_OFF32 || _POSIX_V6_ILP32_OFF32 > 0
+-	  {
+-	    memcpy (restenvs + string_len, "POSIX_V6_ILP32_OFF32",
+-		    sizeof "POSIX_V6_ILP32_OFF32" - 1);
+-	    string_len += sizeof "POSIX_V6_ILP32_OFF32" - 1;
+-	  }
++	{
++	  memcpy (restenvs + string_len, "POSIX_V6_ILP32_OFF32",
++		  sizeof "POSIX_V6_ILP32_OFF32" - 1);
++	  string_len += sizeof "POSIX_V6_ILP32_OFF32" - 1;
++	}
+ #endif
+ #ifndef _POSIX_V6_ILP32_OFFBIG
+-	if (__sysconf (_SC_V6_ILP32_OFFBIG) > 0)
++      if (__sysconf (_SC_V6_ILP32_OFFBIG) > 0)
+ #endif
+ #if !defined _POSIX_V6_ILP32_OFFBIG || _POSIX_V6_ILP32_OFFBIG > 0
+-	  {
+-	    if (string_len)
+-	      restenvs[string_len++] = '\n';
+-	    memcpy (restenvs + string_len, "POSIX_V6_ILP32_OFFBIG",
+-		    sizeof "POSIX_V6_ILP32_OFFBIG" - 1);
+-	    string_len += sizeof "POSIX_V6_ILP32_OFFBIG" - 1;
+-	  }
++	{
++	  if (string_len)
++	    restenvs[string_len++] = '\n';
++	  memcpy (restenvs + string_len, "POSIX_V6_ILP32_OFFBIG",
++		  sizeof "POSIX_V6_ILP32_OFFBIG" - 1);
++	  string_len += sizeof "POSIX_V6_ILP32_OFFBIG" - 1;
++	}
+ #endif
+ #ifndef _POSIX_V6_LP64_OFF64
+-	if (__sysconf (_SC_V6_LP64_OFF64) > 0)
++      if (__sysconf (_SC_V6_LP64_OFF64) > 0)
+ #endif
+ #if !defined _POSIX_V6_LP64_OFF64 || _POSIX_V6_LP64_OFF64 > 0
+-	  {
+-	    if (string_len)
+-	      restenvs[string_len++] = '\n';
+-	    memcpy (restenvs + string_len, "POSIX_V6_LP64_OFF64",
+-		    sizeof "POSIX_V6_LP64_OFF64" - 1);
+-	    string_len += sizeof "POSIX_V6_LP64_OFF64" - 1;
+-	  }
++	{
++	  if (string_len)
++	    restenvs[string_len++] = '\n';
++	  memcpy (restenvs + string_len, "POSIX_V6_LP64_OFF64",
++		  sizeof "POSIX_V6_LP64_OFF64" - 1);
++	  string_len += sizeof "POSIX_V6_LP64_OFF64" - 1;
++	}
+ #endif
+ #ifndef _POSIX_V6_LPBIG_OFFBIG
+-	if (__sysconf (_SC_V6_LPBIG_OFFBIG) > 0)
++      if (__sysconf (_SC_V6_LPBIG_OFFBIG) > 0)
+ #endif
+ #if !defined _POSIX_V6_LPBIG_OFFBIG || _POSIX_V6_LPBIG_OFFBIG > 0
+-	  {
+-	    if (string_len)
+-	      restenvs[string_len++] = '\n';
+-	    memcpy (restenvs + string_len, "POSIX_V6_LPBIG_OFFBIG",
+-		    sizeof "POSIX_V6_LPBIG_OFFBIG" - 1);
+-	    string_len += sizeof "POSIX_V6_LPBIG_OFFBIG" - 1;
+-	  }
+-#endif
+-	restenvs[string_len++] = '\0';
+-	string = restenvs;
+-      }
++	{
++	  if (string_len)
++	    restenvs[string_len++] = '\n';
++	  memcpy (restenvs + string_len, "POSIX_V6_LPBIG_OFFBIG",
++		  sizeof "POSIX_V6_LPBIG_OFFBIG" - 1);
++	  string_len += sizeof "POSIX_V6_LPBIG_OFFBIG" - 1;
++	}
++#endif
++      restenvs[string_len++] = '\0';
++      string = restenvs;
+       break;
+ 
+     case _CS_V5_WIDTH_RESTRICTED_ENVS:
+@@ -179,59 +174,55 @@ confstr (name, buf, len)
+ 	 wint_t types are no greater than the width of type long.
+ 
+ 	 Currently this means all environment which the system allows.  */
+-      {
+-	char restenvs[4 * sizeof "XBS5_LPBIG_OFFBIG"];
+-
+-	string_len = 0;
++      string_len = 0;
+ #ifndef _XBS5_ILP32_OFF32
+-	if (__sysconf (_SC_XBS5_ILP32_OFF32) > 0)
++      if (__sysconf (_SC_XBS5_ILP32_OFF32) > 0)
+ #endif
+ #if !defined _XBS5_ILP32_OFF32 || _XBS5_ILP32_OFF32 > 0
+-	  {
+-	    memcpy (restenvs + string_len, "XBS5_ILP32_OFF32",
+-		    sizeof "XBS5_ILP32_OFF32" - 1);
+-	    string_len += sizeof "XBS5_ILP32_OFF32" - 1;
+-	  }
++	{
++	  memcpy (restenvs + string_len, "XBS5_ILP32_OFF32",
++		  sizeof "XBS5_ILP32_OFF32" - 1);
++	  string_len += sizeof "XBS5_ILP32_OFF32" - 1;
++	}
+ #endif
+ #ifndef _XBS5_ILP32_OFFBIG
+-	if (__sysconf (_SC_XBS5_ILP32_OFFBIG) > 0)
++      if (__sysconf (_SC_XBS5_ILP32_OFFBIG) > 0)
+ #endif
+ #if !defined _XBS5_ILP32_OFFBIG || _XBS5_ILP32_OFFBIG > 0
+-	  {
+-	    if (string_len)
+-	      restenvs[string_len++] = '\n';
+-	    memcpy (restenvs + string_len, "XBS5_ILP32_OFFBIG",
+-		    sizeof "XBS5_ILP32_OFFBIG" - 1);
+-	    string_len += sizeof "XBS5_ILP32_OFFBIG" - 1;
+-	  }
++	{
++	  if (string_len)
++	    restenvs[string_len++] = '\n';
++	  memcpy (restenvs + string_len, "XBS5_ILP32_OFFBIG",
++		  sizeof "XBS5_ILP32_OFFBIG" - 1);
++	  string_len += sizeof "XBS5_ILP32_OFFBIG" - 1;
++	}
+ #endif
+ #ifndef _XBS5_LP64_OFF64
+-	if (__sysconf (_SC_XBS5_LP64_OFF64) > 0)
++      if (__sysconf (_SC_XBS5_LP64_OFF64) > 0)
+ #endif
+ #if !defined _XBS5_LP64_OFF64 || _XBS5_LP64_OFF64 > 0
+-	  {
+-	    if (string_len)
+-	      restenvs[string_len++] = '\n';
+-	    memcpy (restenvs + string_len, "XBS5_LP64_OFF64",
+-		    sizeof "XBS5_LP64_OFF64" - 1);
+-	    string_len += sizeof "XBS5_LP64_OFF64" - 1;
+-	  }
++	{
++	  if (string_len)
++	    restenvs[string_len++] = '\n';
++	  memcpy (restenvs + string_len, "XBS5_LP64_OFF64",
++		  sizeof "XBS5_LP64_OFF64" - 1);
++	  string_len += sizeof "XBS5_LP64_OFF64" - 1;
++	}
+ #endif
+ #ifndef _XBS5_LPBIG_OFFBIG
+-	if (__sysconf (_SC_XBS5_LPBIG_OFFBIG) > 0)
++      if (__sysconf (_SC_XBS5_LPBIG_OFFBIG) > 0)
+ #endif
+ #if !defined _XBS5_LPBIG_OFFBIG || _XBS5_LPBIG_OFFBIG > 0
+-	  {
+-	    if (string_len)
+-	      restenvs[string_len++] = '\n';
+-	    memcpy (restenvs + string_len, "XBS5_LPBIG_OFFBIG",
+-		    sizeof "XBS5_LPBIG_OFFBIG" - 1);
+-	    string_len += sizeof "XBS5_LPBIG_OFFBIG" - 1;
+-	  }
+-#endif
+-	restenvs[string_len++] = '\0';
+-	string = restenvs;
+-      }
++	{
++	  if (string_len)
++	    restenvs[string_len++] = '\n';
++	  memcpy (restenvs + string_len, "XBS5_LPBIG_OFFBIG",
++		  sizeof "XBS5_LPBIG_OFFBIG" - 1);
++	  string_len += sizeof "XBS5_LPBIG_OFFBIG" - 1;
++	}
++#endif
++      restenvs[string_len++] = '\0';
++      string = restenvs;
+       break;
+ 
+     case _CS_XBS5_ILP32_OFF32_CFLAGS:
diff --git a/testing/glibc/glibc-2.15-do-not-install-timezone-files-2.patch b/testing/glibc/glibc-2.15-do-not-install-timezone-files-2.patch
new file mode 100644
index 000000000..d28237f85
--- /dev/null
+++ b/testing/glibc/glibc-2.15-do-not-install-timezone-files-2.patch
@@ -0,0 +1,20 @@
+diff --git a/timezone/Makefile b/timezone/Makefile
+index 00bfba6..9e55a6a 100644
+--- a/timezone/Makefile
++++ b/timezone/Makefile
+@@ -45,7 +45,6 @@ include ../Makeconfig	# Get objpfx defined so we can use it below.
+ CPPFLAGS-zic = -DNOT_IN_libc
+ 
+ ifeq ($(have-ksh),yes)
+-install-others += $(inst_zonedir)/iso3166.tab $(inst_zonedir)/zone.tab
+ install-bin-script = tzselect
+ generated += tzselect
+ endif
+@@ -111,7 +110,3 @@ $(objpfx)tzselect: tzselect.ksh $(common-objpfx)config.make
+ 	    -e 's%@TZDIR@%$(zonedir)%g' < $< > $@.new
+ 	chmod 555 $@.new
+ 	mv -f $@.new $@
+-
+-$(addprefix $(inst_zonedir)/,iso3166.tab zone.tab): \
+-    $(inst_zonedir)/%: % $(+force)
+-	$(do-install)
diff --git a/testing/glibc/glibc-2.15-do-not-install-timezone-files.patch b/testing/glibc/glibc-2.15-do-not-install-timezone-files.patch
new file mode 100644
index 000000000..e4f29bc1a
--- /dev/null
+++ b/testing/glibc/glibc-2.15-do-not-install-timezone-files.patch
@@ -0,0 +1,124 @@
+diff --git a/timezone/Makefile b/timezone/Makefile
+index e8fb716..d5ea538 100644
+--- a/timezone/Makefile
++++ b/timezone/Makefile
+@@ -1,4 +1,4 @@
+-# Copyright (C) 1998,1999,2000,2002,2005,2007 Free Software Foundation, Inc.
++# Copyright (C) 1998-2000,2002,2005,2007,2012 Free Software Foundation, Inc.
+ # This file is part of the GNU C Library.
+ 
+ # The GNU C Library is free software; you can redistribute it and/or
+@@ -49,33 +49,6 @@ include ../Makeconfig	# Get objpfx defined so we can use it below.
+ 
+ CPPFLAGS-zic = -DNOT_IN_libc
+ 
+-# z.* use this variable.
+-define nl
+-
+-
+-endef
+-ifndef avoid-generated
+-ifndef inhibit_timezone_rules
+--include $(addprefix $(objpfx)z.,$(tzfiles))
+-endif
+-endif
+-
+-# Make these absolute file names.
+-installed-localtime-file := $(firstword $(filter /%,$(inst_localtime-file)) \
+-					$(addprefix $(inst_zonedir)/, \
+-						    $(localtime-file)))
+-installed-posixrules-file := $(firstword $(filter /%,$(posixrules-file)) \
+-					 $(addprefix $(inst_zonedir)/, \
+-						     $(posixrules-file)))
+-
+-ifeq ($(cross-compiling),no)
+-# Don't try to install the zoneinfo files since we can't run zic.
+-install-others = $(addprefix $(inst_zonedir)/,$(zonenames) \
+-					      $(zonenames:%=posix/%) \
+-					      $(zonenames:%=right/%)) \
+-		 $(installed-localtime-file) $(installed-posixrules-file)
+-endif
+-
+ ifeq ($(have-ksh),yes)
+ install-others += $(inst_zonedir)/iso3166.tab $(inst_zonedir)/zone.tab
+ install-bin-script = tzselect
+@@ -85,79 +58,6 @@ endif
+ include ../Rules
+ 
+ 
+-$(tzfiles:%=$(objpfx)z.%): $(objpfx)z.%: % Makefile
+-# Kludge alert: we use an implicit rule (in what we are generating here)
+-# because that is the only way to tell Make that the one command builds all
+-# the files.
+-# The extra kludge for the $(tzlinks) files is necessary since running zic
+-# this file requires all other files to exist.  Blech!
+-	$(make-target-directory)
+-	(echo 'define $*-zones'						    ;\
+-	 $(AWK) '$$1 == "Zone" { print $$2 } $$1 == "Link" { print $$3 }' $^ ;\
+-	 echo 'endef'							    ;\
+-	 echo '$*-zones := $$(subst $$(nl), ,$$($*-zones))'		    ;\
+-	 echo 'ifdef $*-zones'						    ;\
+-	 if test x$(findstring $*, $(tzlinks)) != x; then		     \
+-	   echo '$$(addprefix $$(inst_zonedir)/right/,$$($*-zones)): \';\
+-	   echo '$$(foreach t,$$(tzbases),$$(addprefix $$(inst_zonedir)/right/,$$($$t-zones)))' ;\
+-	   echo '$$(addprefix $$(inst_zonedir)/posix/,$$($*-zones)): \';\
+-	   echo '$$(foreach t,$$(tzbases),$$(addprefix $$(inst_zonedir)/posix/,$$($$t-zones)))' ;\
+-	   echo '$$(addprefix $$(inst_zonedir)/,$$($*-zones)): \'	    ;\
+-	   echo '$$(foreach t,$$(tzbases),$$(addprefix $$(inst_zonedir)/,$$($$t-zones)))' ;\
+-	 fi								    ;\
+-	 echo '$$(addprefix $$(dir $$(inst_zonedir))zone%/right/,$$($*-zones)): \' ;\
+-	 echo '$< $$(objpfx)zic leapseconds yearistype'			    ;\
+-	 echo '	$$(tzcompile)'						    ;\
+-	 echo '$$(addprefix $$(dir $$(inst_zonedir))zone%/posix/,$$($*-zones)): \' ;\
+-	 echo '$< $$(objpfx)zic /dev/null yearistype'			    ;\
+-	 echo '	$$(tzcompile)'						    ;\
+-	 echo '$$(addprefix $$(dir $$(inst_zonedir))zone%/,$$($*-zones)): \' ;\
+-	 echo '$< $$(objpfx)zic $$(leapseconds) yearistype'		    ;\
+-	 echo '	$$(tzcompile)'						    ;\
+-	 echo 'endif'							    ;\
+-	 echo 'zonenames := $$(zonenames) $$($*-zones)'			    ;\
+-	) > $@.new
+-	mv $@.new $@
+-
+-.PHONY: echo-zonenames
+-echo-zonenames:
+-	@echo 'Known zones: $(zonenames)'
+-
+-
+-# We have to use `-d $(inst_zonedir)' to explictly tell zic where to
+-# place the output files although $(zonedir) is compiled in.  But the
+-# user might have set $(install_root) on the command line of `make install'.
+-zic-cmd = $(built-program-cmd) -d $(inst_zonedir)
+-tzcompile = $(zic-cmd)$(target-zone-flavor) -L $(word 3,$^) \
+-	    -y $(dir $(word 4,$^))$(notdir $(word 4,$^)) $<
+-
+-# The source files specify the zone names relative to the -d directory,
+-# so for the posix/ and right/ flavors we need to pass -d $(inst_zonedir)/posix
+-# and the like.  This magic extracts /posix or /right if it's the first
+-# component after $(inst_zonedir) in the target name $@.
+-target-zone-flavor = $(filter /posix /right, \
+-			      /$(firstword $(subst /, , \
+-					  $(patsubst $(inst_zonedir)/%,%,$@))))
+-
+-ifdef localtime
+-$(installed-localtime-file): $(inst_zonedir)/$(localtime) $(objpfx)zic \
+-			     $(+force)
+-	$(make-target-directory)
+-	if test -r $@; then \
+-	  echo Site timezone NOT reset to Factory.; \
+-	else \
+-	  rm -f $@T; \
+-	  $(SHELL) $(..)scripts/rellns-sh $< $@T; \
+-	  mv -f $@T $@; \
+-	fi
+-endif
+-ifdef posixrules
+-$(installed-posixrules-file): $(inst_zonedir)/$(posixrules) $(objpfx)zic \
+-			      $(+force)
+-	$(zic-cmd) -p $(posixrules)
+-endif
+-
+-
+ $(objpfx)zic: $(objpfx)scheck.o $(objpfx)ialloc.o
+ 
+ tz-cflags = -DTZDIR='"$(zonedir)"' \
diff --git a/testing/glibc/glibc-2.15-feraiseexcept-plt.patch b/testing/glibc/glibc-2.15-feraiseexcept-plt.patch
new file mode 100644
index 000000000..c41acc169
--- /dev/null
+++ b/testing/glibc/glibc-2.15-feraiseexcept-plt.patch
@@ -0,0 +1,20 @@
+diff --git a/sysdeps/i386/fpu/feupdateenv.c b/sysdeps/i386/fpu/feupdateenv.c
+index 70f9ee2..6e2ce35 100644
+--- a/sysdeps/i386/fpu/feupdateenv.c
++++ b/sysdeps/i386/fpu/feupdateenv.c
+@@ -1,5 +1,5 @@
+ /* Install given floating-point environment and raise exceptions.
+-   Copyright (C) 1997,99,2000,01,07,2010 Free Software Foundation, Inc.
++   Copyright (C) 1997,99,2000,01,07,2010,2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+ 
+@@ -44,7 +44,7 @@ __feupdateenv (const fenv_t *envp)
+   /* Raise the saved exception.  Incidently for us the implementation
+      defined format of the values in objects of type fexcept_t is the
+      same as the ones specified using the FE_* constants.  */
+-  feraiseexcept ((int) temp);
++  __feraiseexcept ((int) temp);
+ 
+   /* Success.  */
+   return 0;
diff --git a/testing/glibc/glibc-2.15-fix-res_query-assert.patch b/testing/glibc/glibc-2.15-fix-res_query-assert.patch
new file mode 100644
index 000000000..a894da9c7
--- /dev/null
+++ b/testing/glibc/glibc-2.15-fix-res_query-assert.patch
@@ -0,0 +1,51 @@
+--- a/resolv/res_query.c	
++++ a/resolv/res_query.c	
+@@ -122,6 +122,7 @@ __libc_res_nquery(res_state statp,
+ 		  int *resplen2)
+ {
+ 	HEADER *hp = (HEADER *) answer;
++	HEADER *hp2;
+ 	int n, use_malloc = 0;
+ 	u_int oflags = statp->_flags;
+ 
+@@ -239,26 +240,25 @@ __libc_res_nquery(res_state statp,
+ 	  /* __libc_res_nsend might have reallocated the buffer.  */
+ 	  hp = (HEADER *) *answerp;
+ 
+-	/* We simplify the following tests by assigning HP to HP2.  It
+-	   is easy to verify that this is the same as ignoring all
+-	   tests of HP2.  */
+-	HEADER *hp2 = answerp2 ? (HEADER *) *answerp2 : hp;
+-
+-	if (n < (int) sizeof (HEADER) && answerp2 != NULL
+-	    && *resplen2 > (int) sizeof (HEADER))
++	/* We simplify the following tests by assigning HP to HP2 or
++	   vice versa.  It is easy to verify that this is the same as
++	   ignoring all tests of HP or HP2.  */
++	if (answerp2 == NULL || *resplen2 < (int) sizeof (HEADER))
+ 	  {
+-	    /* Special case of partial answer.  */
+-	    assert (hp != hp2);
+-	    hp = hp2;
++	    hp2 = hp;
+ 	  }
+-	else if (answerp2 != NULL && *resplen2 < (int) sizeof (HEADER)
+-		 && n > (int) sizeof (HEADER))
++	else
+ 	  {
+-	    /* Special case of partial answer.  */
+-	    assert (hp != hp2);
+-	    hp2 = hp;
++	    hp2 = (HEADER *) *answerp2;
++	    if (n < (int) sizeof (HEADER))
++	      {
++	        hp = hp2;
++	      }
+ 	  }
+ 
++	/* Make sure both hp and hp2 are defined */
++	assert((hp != NULL) && (hp2 != NULL));
++
+ 	if ((hp->rcode != NOERROR || ntohs(hp->ancount) == 0)
+ 	    && (hp2->rcode != NOERROR || ntohs(hp2->ancount) == 0)) {
+ #ifdef DEBUG
diff --git a/testing/glibc/glibc-2.15-fmtmsg-locking.patch b/testing/glibc/glibc-2.15-fmtmsg-locking.patch
new file mode 100644
index 000000000..f5976abd9
--- /dev/null
+++ b/testing/glibc/glibc-2.15-fmtmsg-locking.patch
@@ -0,0 +1,148 @@
+diff --git a/stdlib/fmtmsg.c b/stdlib/fmtmsg.c
+index 9203317..4c02302 100644
+--- a/stdlib/fmtmsg.c
++++ b/stdlib/fmtmsg.c
+@@ -103,7 +103,6 @@ fmtmsg (long int classification, const char *label, int severity,
+ 	const char *text, const char *action, const char *tag)
+ {
+   __libc_once_define (static, once);
+-  int result = MM_OK;
+   struct severity_info *severity_rec;
+ 
+   /* Make sure everything is initialized.  */
+@@ -124,17 +123,6 @@ fmtmsg (long int classification, const char *label, int severity,
+ 	return MM_NOTOK;
+     }
+ 
+-  for (severity_rec = severity_list; severity_rec != NULL;
+-       severity_rec = severity_rec->next)
+-    if (severity == severity_rec->severity)
+-      /* Bingo.  */
+-      break;
+-
+-  /* If we don't know anything about the severity level return an error.  */
+-  if (severity_rec == NULL)
+-    return MM_NOTOK;
+-
+-
+ #ifdef __libc_ptf_call
+   /* We do not want this call to be cut short by a thread
+      cancellation.  Therefore disable cancellation for now.  */
+@@ -143,54 +131,73 @@ fmtmsg (long int classification, const char *label, int severity,
+ 		   0);
+ #endif
+ 
+-  /* Now we can print.  */
+-  if (classification & MM_PRINT)
+-    {
+-      int do_label = (print & label_mask) && label != MM_NULLLBL;
+-      int do_severity = (print & severity_mask) && severity != MM_NULLSEV;
+-      int do_text = (print & text_mask) && text != MM_NULLTXT;
+-      int do_action = (print & action_mask) && action != MM_NULLACT;
+-      int do_tag = (print & tag_mask) && tag != MM_NULLTAG;
+-
+-      if (__fxprintf (stderr, "%s%s%s%s%s%s%s%s%s%s\n",
+-		      do_label ? label : "",
+-		      do_label && (do_severity | do_text | do_action | do_tag)
+-		      ? ": " : "",
+-		      do_severity ? severity_rec->string : "",
+-		      do_severity && (do_text | do_action | do_tag)
+-		      ? ": " : "",
+-		      do_text ? text : "",
+-		      do_text && (do_action | do_tag) ? "\n" : "",
+-		      do_action ? "TO FIX: " : "",
+-		      do_action ? action : "",
+-		      do_action && do_tag ? "  " : "",
+-		      do_tag ? tag : "") < 0)
+-	/* Oh, oh.  An error occurred during the output.  */
+-	result = MM_NOMSG;
+-    }
++  __libc_lock_lock (lock);
+ 
+-  if (classification & MM_CONSOLE)
++  for (severity_rec = severity_list; severity_rec != NULL;
++       severity_rec = severity_rec->next)
++    if (severity == severity_rec->severity)
++      /* Bingo.  */
++      break;
++
++  /* If we don't know anything about the severity level return an error.  */
++  int result = MM_NOTOK;
++  if (severity_rec != NULL)
+     {
+-      int do_label = label != MM_NULLLBL;
+-      int do_severity = severity != MM_NULLSEV;
+-      int do_text = text != MM_NULLTXT;
+-      int do_action = action != MM_NULLACT;
+-      int do_tag = tag != MM_NULLTAG;
+-
+-      syslog (LOG_ERR, "%s%s%s%s%s%s%s%s%s%s\n",
+-	      do_label ? label : "",
+-	      do_label && (do_severity | do_text | do_action | do_tag)
+-	      ? ": " : "",
+-	      do_severity ? severity_rec->string : "",
+-	      do_severity && (do_text | do_action | do_tag) ? ": " : "",
+-	      do_text ? text : "",
+-	      do_text && (do_action | do_tag) ? "\n" : "",
+-	      do_action ? "TO FIX: " : "",
+-	      do_action ? action : "",
+-	      do_action && do_tag ? "  " : "",
+-	      do_tag ? tag : "");
++      result = MM_OK;
++
++      /* Now we can print.  */
++      if (classification & MM_PRINT)
++	{
++	  int do_label = (print & label_mask) && label != MM_NULLLBL;
++	  int do_severity = (print & severity_mask) && severity != MM_NULLSEV;
++	  int do_text = (print & text_mask) && text != MM_NULLTXT;
++	  int do_action = (print & action_mask) && action != MM_NULLACT;
++	  int do_tag = (print & tag_mask) && tag != MM_NULLTAG;
++	  int need_colon = (do_label
++			    && (do_severity | do_text | do_action | do_tag));
++
++	  if (__fxprintf (stderr, "%s%s%s%s%s%s%s%s%s%s\n",
++			  do_label ? label : "",
++			  need_colon ? ": " : "",
++			  do_severity ? severity_rec->string : "",
++			  do_severity && (do_text | do_action | do_tag)
++			  ? ": " : "",
++			  do_text ? text : "",
++			  do_text && (do_action | do_tag) ? "\n" : "",
++			  do_action ? "TO FIX: " : "",
++			  do_action ? action : "",
++			  do_action && do_tag ? "  " : "",
++			  do_tag ? tag : "") < 0)
++	    /* Oh, oh.  An error occurred during the output.  */
++	    result = MM_NOMSG;
++	}
++
++      if (classification & MM_CONSOLE)
++	{
++	  int do_label = label != MM_NULLLBL;
++	  int do_severity = severity != MM_NULLSEV;
++	  int do_text = text != MM_NULLTXT;
++	  int do_action = action != MM_NULLACT;
++	  int do_tag = tag != MM_NULLTAG;
++	  int need_colon = (do_label
++			    && (do_severity | do_text | do_action | do_tag));
++
++	  syslog (LOG_ERR, "%s%s%s%s%s%s%s%s%s%s\n",
++		  do_label ? label : "",
++		  need_colon ? ": " : "",
++		  do_severity ? severity_rec->string : "",
++		  do_severity && (do_text | do_action | do_tag) ? ": " : "",
++		  do_text ? text : "",
++		  do_text && (do_action | do_tag) ? "\n" : "",
++		  do_action ? "TO FIX: " : "",
++		  do_action ? action : "",
++		  do_action && do_tag ? "  " : "",
++		  do_tag ? tag : "");
++	}
+     }
+ 
++  __libc_lock_unlock (lock);
++
+ #ifdef __libc_ptf_call
+   __libc_ptf_call (pthread_setcancelstate, (state, NULL), 0);
+ #endif
diff --git a/testing/glibc/glibc-2.15-gb18030.patch.gz b/testing/glibc/glibc-2.15-gb18030.patch.gz
new file mode 100644
index 000000000..dde59c056
--- /dev/null
+++ b/testing/glibc/glibc-2.15-gb18030.patch.gz
diff --git a/testing/glibc/glibc-2.15-ifunc.patch b/testing/glibc/glibc-2.15-ifunc.patch
new file mode 100644
index 000000000..115afa02a
--- /dev/null
+++ b/testing/glibc/glibc-2.15-ifunc.patch
@@ -0,0 +1,262 @@
+diff --git a/Makeconfig b/Makeconfig
+index 2db2821..68547b2 100644
+--- a/Makeconfig
++++ b/Makeconfig
+@@ -900,6 +900,12 @@ else
+ libdl = $(common-objpfx)dlfcn/libdl.a
+ endif
+ 
++ifeq ($(build-shared),yes)
++libm = $(common-objpfx)math/libm.so$(libm.so-version)
++else
++libm = $(common-objpfx)math/libm.a
++endif
++
+ # These are the subdirectories containing the library source.  The order
+ # is more or less arbitrary.  The sorting step will take care of the
+ # dependencies.
+diff --git a/elf/Makefile b/elf/Makefile
+index 052e763..3f1772a 100644
+--- a/elf/Makefile
++++ b/elf/Makefile
+@@ -124,7 +124,8 @@ distribute	:= rtld-Rules \
+ 		   tst-initordera1.c tst-initordera2.c tst-initorderb1.c \
+ 		   tst-initorderb2.c tst-initordera3.c tst-initordera4.c \
+ 		   tst-initorder.c \
+-		   tst-initorder2.c
++		   tst-initorder2.c \
++		   tst-relsort1.c tst-relsort1mod1.c tst-relsort1mod2.c
+ 
+ CFLAGS-dl-runtime.c = -fexceptions -fasynchronous-unwind-tables
+ CFLAGS-dl-lookup.c = -fexceptions -fasynchronous-unwind-tables
+@@ -227,7 +228,7 @@ tests += loadtest restest1 preloadtest loadfail multiload origtest resolvfail \
+ 	 tst-audit1 tst-audit2 \
+ 	 tst-stackguard1 tst-addr1 tst-thrlock \
+ 	 tst-unique1 tst-unique2 tst-unique3 tst-unique4 \
+-	 tst-initorder tst-initorder2
++	 tst-initorder tst-initorder2 tst-relsort1
+ #	 reldep9
+ test-srcs = tst-pathopt
+ selinux-enabled := $(shell cat /selinux/enforce 2> /dev/null)
+@@ -290,7 +291,9 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \
+ 		tst-initordera1 tst-initorderb1 \
+ 		tst-initordera2 tst-initorderb2 \
+ 		tst-initordera3 tst-initordera4 \
+-		tst-initorder2a tst-initorder2b tst-initorder2c tst-initorder2d
++		tst-initorder2a tst-initorder2b tst-initorder2c \
++		tst-initorder2d \
++		tst-relsort1mod1 tst-relsort1mod2
+ ifeq (yes,$(have-initfini-array))
+ modules-names += tst-array2dep tst-array5dep
+ endif
+@@ -1195,3 +1198,9 @@ CFLAGS-tst-auditmod6b.c += $(AVX-CFLAGS)
+ CFLAGS-tst-auditmod6c.c += $(AVX-CFLAGS)
+ CFLAGS-tst-auditmod7b.c += $(AVX-CFLAGS)
+ endif
++
++$(objpfx)tst-relsort1: $(libdl)
++$(objpfx)tst-relsort1mod1.so: $(libm) $(objpfx)tst-relsort1mod2.so
++$(objpfx)tst-relsort1mod2.so: $(libm)
++$(objpfx)tst-relsort1.out: $(objpfx)tst-relsort1mod1.so \
++			   $(objpfx)tst-relsort1mod2.so
+diff --git a/elf/dl-open.c b/elf/dl-open.c
+index a0b5c50..a56bdc1 100644
+--- a/elf/dl-open.c
++++ b/elf/dl-open.c
+@@ -1,5 +1,5 @@
+ /* Load a shared object at runtime, relocate it, and run its initializer.
+-   Copyright (C) 1996-2007, 2009, 2010, 2011 Free Software Foundation, Inc.
++   Copyright (C) 1996-2007, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+ 
+    The GNU C Library is free software; you can redistribute it and/or
+@@ -302,45 +302,109 @@ dl_open_worker (void *a)
+   if (GLRO(dl_lazy))
+     reloc_mode |= mode & RTLD_LAZY;
+ 
+-  /* Relocate the objects loaded.  We do this in reverse order so that copy
+-     relocs of earlier objects overwrite the data written by later objects.  */
+-
++  /* Sort the objects by dependency for the relocation process.  This
++     allows IFUNC relocations to work and it also means copy
++     relocation of dependencies are if necessary overwritten.  */
++  size_t nmaps = 0;
+   struct link_map *l = new;
+-  while (l->l_next)
+-    l = l->l_next;
+-  while (1)
++  do
++    {
++      if (! l->l_real->l_relocated)
++	++nmaps;
++      l = l->l_next;
++    }
++  while (l != NULL);
++  struct link_map *maps[nmaps];
++  nmaps = 0;
++  l = new;
++  do
+     {
+       if (! l->l_real->l_relocated)
++	maps[nmaps++] = l;
++      l = l->l_next;
++    }
++  while (l != NULL);
++  if (nmaps > 1)
++    {
++      char seen[nmaps];
++      memset (seen, '\0', nmaps);
++      size_t i = 0;
++      while (1)
+ 	{
+-#ifdef SHARED
+-	  if (__builtin_expect (GLRO(dl_profile) != NULL, 0))
++	  ++seen[i];
++	  struct link_map *thisp = maps[i];
++
++	  /* Find the last object in the list for which the current one is
++	     a dependency and move the current object behind the object
++	     with the dependency.  */
++	  size_t k = nmaps - 1;
++	  while (k > i)
+ 	    {
+-	      /* If this here is the shared object which we want to profile
+-		 make sure the profile is started.  We can find out whether
+-		 this is necessary or not by observing the `_dl_profile_map'
+-		 variable.  If was NULL but is not NULL afterwars we must
+-		 start the profiling.  */
+-	      struct link_map *old_profile_map = GL(dl_profile_map);
++	      struct link_map **runp = maps[k]->l_initfini;
++	      if (runp != NULL)
++		/* Look through the dependencies of the object.  */
++		while (*runp != NULL)
++		  if (__builtin_expect (*runp++ == thisp, 0))
++		    {
++		      /* Move the current object to the back past the last
++			 object with it as the dependency.  */
++		      memmove (&maps[i], &maps[i + 1],
++			       (k - i) * sizeof (maps[0]));
++		      maps[k] = thisp;
++
++		      if (seen[i + 1] > 1)
++			{
++			  ++i;
++			  goto next_clear;
++			}
++
++		      char this_seen = seen[i];
++		      memmove (&seen[i], &seen[i + 1],
++			       (k - i) * sizeof (seen[0]));
++		      seen[k] = this_seen;
++
++		      goto next;
++		    }
++
++	      --k;
++	    }
+ 
+-	      _dl_relocate_object (l, l->l_scope, reloc_mode | RTLD_LAZY, 1);
++	  if (++i == nmaps)
++	    break;
++	next_clear:
++	  memset (&seen[i], 0, (nmaps - i) * sizeof (seen[0]));
++	next:;
++	}
++    }
+ 
+-	      if (old_profile_map == NULL && GL(dl_profile_map) != NULL)
+-		{
+-		  /* We must prepare the profiling.  */
+-		  _dl_start_profile ();
++  for (size_t i = nmaps; i-- > 0; )
++    {
++      l = maps[i];
+ 
+-		  /* Prevent unloading the object.  */
+-		  GL(dl_profile_map)->l_flags_1 |= DF_1_NODELETE;
+-		}
++#ifdef SHARED
++      if (__builtin_expect (GLRO(dl_profile) != NULL, 0))
++	{
++	  /* If this here is the shared object which we want to profile
++	     make sure the profile is started.  We can find out whether
++	     this is necessary or not by observing the `_dl_profile_map'
++	     variable.  If it was NULL but is not NULL afterwars we must
++	     start the profiling.  */
++	  struct link_map *old_profile_map = GL(dl_profile_map);
++
++	  _dl_relocate_object (l, l->l_scope, reloc_mode | RTLD_LAZY, 1);
++
++	  if (old_profile_map == NULL && GL(dl_profile_map) != NULL)
++	    {
++	      /* We must prepare the profiling.  */
++	      _dl_start_profile ();
++
++	      /* Prevent unloading the object.  */
++	      GL(dl_profile_map)->l_flags_1 |= DF_1_NODELETE;
+ 	    }
+-	  else
+-#endif
+-	    _dl_relocate_object (l, l->l_scope, reloc_mode, 0);
+ 	}
+-
+-      if (l == new)
+-	break;
+-      l = l->l_prev;
++      else
++#endif
++	_dl_relocate_object (l, l->l_scope, reloc_mode, 0);
+     }
+ 
+   /* If the file is not loaded now as a dependency, add the search
+diff --git a/elf/tst-relsort1.c b/elf/tst-relsort1.c
+new file mode 100644
+index 0000000..972100c
+--- /dev/null
++++ b/elf/tst-relsort1.c
+@@ -0,0 +1,19 @@
++#include <dlfcn.h>
++#include <stdio.h>
++
++
++static int
++do_test ()
++{
++  const char lib[] = "$ORIGIN/tst-relsort1mod1.so";
++  void *h = dlopen (lib, RTLD_NOW);
++  if (h == NULL)
++    {
++      puts (dlerror ());
++      return 1;
++    }
++  return 0;
++}
++
++#define TEST_FUNCTION do_test ()
++#include "../test-skeleton.c"
+diff --git a/elf/tst-relsort1mod1.c b/elf/tst-relsort1mod1.c
+new file mode 100644
+index 0000000..9e4a943
+--- /dev/null
++++ b/elf/tst-relsort1mod1.c
+@@ -0,0 +1,7 @@
++extern int foo (double);
++
++int
++bar (void)
++{
++  return foo (1.2);
++}
+diff --git a/elf/tst-relsort1mod2.c b/elf/tst-relsort1mod2.c
+new file mode 100644
+index 0000000..a2c3e55
+--- /dev/null
++++ b/elf/tst-relsort1mod2.c
+@@ -0,0 +1,7 @@
++#include <math.h>
++
++int
++foo (double d)
++{
++  return floor (d) != 0.0;
++}
diff --git a/testing/glibc/glibc-2.15-lddebug-scopes.patch b/testing/glibc/glibc-2.15-lddebug-scopes.patch
new file mode 100644
index 000000000..808cf8d7c
--- /dev/null
+++ b/testing/glibc/glibc-2.15-lddebug-scopes.patch
@@ -0,0 +1,27 @@
+From 0c95ab64cb4ec0d22bb222647d9d20c7b4903e38 Mon Sep 17 00:00:00 2001
+From: Andreas Schwab <schwab@redhat.com>
+Date: Fri, 7 Oct 2011 09:31:27 +0200
+Subject: [PATCH] Horrible workaround for horribly broken software
+
+---
+ elf/rtld.c |    4 +++-
+ 1 files changed, 3 insertions(+), 1 deletions(-)
+
+diff --git a/elf/rtld.c b/elf/rtld.c
+index 978c609..8422b9f 100644
+--- a/elf/rtld.c
++++ b/elf/rtld.c
+@@ -1393,7 +1393,9 @@ of this helper program; chances are you did not intend to run this program.\n\
+ 	      char *copy = malloc (len);
+ 	      if (copy == NULL)
+ 		_dl_fatal_printf ("out of memory\n");
+-	      l->l_libname->name = l->l_name = memcpy (copy, dsoname, len);
++	      l->l_libname->name = memcpy (copy, dsoname, len);
++	      if (GLRO(dl_debug_mask))
++		l->l_name = copy;
+ 	    }
+ 
+ 	  /* Add the vDSO to the object list.  */
+-- 
+1.7.3.4
+
diff --git a/testing/glibc/glibc-2.15-multiarch-x86-strcmp.patch b/testing/glibc/glibc-2.15-multiarch-x86-strcmp.patch
new file mode 100644
index 000000000..38c9e617f
--- /dev/null
+++ b/testing/glibc/glibc-2.15-multiarch-x86-strcmp.patch
@@ -0,0 +1,39 @@
+diff --git a/sysdeps/i386/i686/multiarch/strcasecmp_l-c.c b/sysdeps/i386/i686/multiarch/strcasecmp_l-c.c
+index d10e872..d4fcd2b 100644
+--- a/sysdeps/i386/i686/multiarch/strcasecmp_l-c.c
++++ b/sysdeps/i386/i686/multiarch/strcasecmp_l-c.c
+@@ -6,6 +6,8 @@ extern __typeof (strcasecmp_l) __strcasecmp_l_nonascii;
+ #define USE_IN_EXTENDED_LOCALE_MODEL    1
+ #include <string/strcasecmp.c>
+ 
++strong_alias (__strcasecmp_l_nonascii, __strcasecmp_l_ia32)
++
+ /* The needs of strcasecmp in libc are minimal, no need to go through
+    the IFUNC.  */
+ strong_alias (__strcasecmp_l_nonascii, __GI___strcasecmp_l)
+diff --git a/sysdeps/i386/i686/multiarch/strcmp.S b/sysdeps/i386/i686/multiarch/strcmp.S
+index 5410d17..b3b9eb8 100644
+--- a/sysdeps/i386/i686/multiarch/strcmp.S
++++ b/sysdeps/i386/i686/multiarch/strcmp.S
+@@ -111,6 +111,7 @@ END(STRCMP)
+ # endif
+ #endif
+ 
+-#ifndef USE_AS_STRNCMP
++#if !defined USE_AS_STRNCMP && !defined USE_AS_STRCASECMP_L \
++    && !defined USE_AS_STRNCASECMP_L
+ # include "../strcmp.S"
+ #endif
+diff --git a/sysdeps/i386/i686/multiarch/strncase_l-c.c b/sysdeps/i386/i686/multiarch/strncase_l-c.c
+index 0c68b8d..7e601af 100644
+--- a/sysdeps/i386/i686/multiarch/strncase_l-c.c
++++ b/sysdeps/i386/i686/multiarch/strncase_l-c.c
+@@ -6,6 +6,8 @@ extern __typeof (strncasecmp_l) __strncasecmp_l_nonascii;
+ #define USE_IN_EXTENDED_LOCALE_MODEL    1
+ #include <string/strncase.c>
+ 
++strong_alias (__strncasecmp_l_nonascii, __strncasecmp_l_ia32)
++
+ /* The needs of strcasecmp in libc are minimal, no need to go through
+    the IFUNC.  */
+ strong_alias (__strncasecmp_l_nonascii, __GI___strncasecmp_l)
diff --git a/testing/glibc/glibc-2.15-nearbyintf-rounding.patch b/testing/glibc/glibc-2.15-nearbyintf-rounding.patch
new file mode 100644
index 000000000..b2bb9caac
--- /dev/null
+++ b/testing/glibc/glibc-2.15-nearbyintf-rounding.patch
@@ -0,0 +1,75 @@
+diff --git a/math/libm-test.inc b/math/libm-test.inc
+index c8186c8..1016753 100644
+--- a/math/libm-test.inc
++++ b/math/libm-test.inc
+@@ -4632,6 +4632,29 @@ nearbyint_test (void)
+   TEST_f_f (nearbyint, 524286.75, 524287.0);
+   TEST_f_f (nearbyint, 524288.75, 524289.0);
+ 
++  TEST_f_f (nearbyint, 1048576.75, 1048577.0);
++  TEST_f_f (nearbyint, 2097152.75, 2097153.0);
++  TEST_f_f (nearbyint, 2492472.75, 2492473.0);
++  TEST_f_f (nearbyint, 2886220.75, 2886221.0);
++  TEST_f_f (nearbyint, 3058792.75, 3058793.0);
++  TEST_f_f (nearbyint, -1048576.75, -1048577.0);
++  TEST_f_f (nearbyint, -2097152.75, -2097153.0);
++  TEST_f_f (nearbyint, -2492472.75, -2492473.0);
++  TEST_f_f (nearbyint, -2886220.75, -2886221.0);
++  TEST_f_f (nearbyint, -3058792.75, -3058793.0);
++#ifndef TEST_FLOAT
++  TEST_f_f (nearbyint, 70368744177664.75, 70368744177665.0);
++  TEST_f_f (nearbyint, 140737488355328.75, 140737488355329.0);
++  TEST_f_f (nearbyint, 281474976710656.75, 281474976710657.0);
++  TEST_f_f (nearbyint, 562949953421312.75, 562949953421313.0);
++  TEST_f_f (nearbyint, 1125899906842624.75, 1125899906842625.0);
++  TEST_f_f (nearbyint, -70368744177664.75, -70368744177665.0);
++  TEST_f_f (nearbyint, -140737488355328.75, -140737488355329.0);
++  TEST_f_f (nearbyint, -281474976710656.75, -281474976710657.0);
++  TEST_f_f (nearbyint, -562949953421312.75, -562949953421313.0);
++  TEST_f_f (nearbyint, -1125899906842624.75, -1125899906842625.0);
++#endif
++
+   END (nearbyint);
+ }
+ 
+diff --git a/sysdeps/ieee754/flt-32/s_nearbyintf.c b/sysdeps/ieee754/flt-32/s_nearbyintf.c
+index 04ef9ab..a6d602b 100644
+--- a/sysdeps/ieee754/flt-32/s_nearbyintf.c
++++ b/sysdeps/ieee754/flt-32/s_nearbyintf.c
+@@ -30,18 +30,12 @@ __nearbyintf(float x)
+ {
+ 	fenv_t env;
+ 	int32_t i0,j0,sx;
+-	u_int32_t i,i1;
+ 	float w,t;
+ 	GET_FLOAT_WORD(i0,x);
+ 	sx = (i0>>31)&1;
+ 	j0 = ((i0>>23)&0xff)-0x7f;
+ 	if(j0<23) {
+ 	    if(j0<0) {
+-		if((i0&0x7fffffff)==0) return x;
+-		i1 = (i0&0x07fffff);
+-		i0 &= 0xfff00000;
+-		i0 |= ((i1|-i1)>>9)&0x400000;
+-		SET_FLOAT_WORD(x,i0);
+ 		libc_feholdexceptf (&env);
+ 		w = TWO23[sx]+x;
+ 		t =  w-TWO23[sx];
+@@ -49,17 +43,11 @@ __nearbyintf(float x)
+ 		GET_FLOAT_WORD(i0,t);
+ 		SET_FLOAT_WORD(t,(i0&0x7fffffff)|(sx<<31));
+ 		return t;
+-	    } else {
+-		i = (0x007fffff)>>j0;
+-		if((i0&i)==0) return x; /* x is integral */
+-		i>>=1;
+-		if((i0&i)!=0) i0 = (i0&(~i))|((0x100000)>>j0);
+ 	    }
+ 	} else {
+ 	    if(__builtin_expect(j0==0x80, 0)) return x+x;	/* inf or NaN */
+ 	    else return x;		/* x is integral */
+ 	}
+-	SET_FLOAT_WORD(x,i0);
+ 	libc_feholdexceptf (&env);
+ 	w = TWO23[sx]+x;
+ 	t = w-TWO23[sx];
diff --git a/testing/glibc/glibc-2.15-negative-result-cache.patch b/testing/glibc/glibc-2.15-negative-result-cache.patch
new file mode 100644
index 000000000..c09e79a17
--- /dev/null
+++ b/testing/glibc/glibc-2.15-negative-result-cache.patch
@@ -0,0 +1,138 @@
+diff --git a/nscd/aicache.c b/nscd/aicache.c
+index aaaf80d..e1f1244 100644
+--- a/nscd/aicache.c
++++ b/nscd/aicache.c
+@@ -1,5 +1,5 @@
+ /* Cache handling for host lookup.
+-   Copyright (C) 2004-2008, 2009, 2010, 2011 Free Software Foundation, Inc.
++   Copyright (C) 2004-2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
+ 
+@@ -514,8 +514,9 @@ next_nip:
+       if (fd != -1)
+ 	TEMP_FAILURE_RETRY (send (fd, &notfound, total, MSG_NOSIGNAL));
+ 
+-      /* If we cannot permanently store the result, so be it.  */
+-      if (__builtin_expect (db->negtimeout == 0, 0))
++      /* If we have a transient error or cannot permanently store the
++	 result, so be it.  */
++      if (rc4 == EAGAIN || __builtin_expect (db->negtimeout == 0, 0))
+ 	{
+ 	  /* Mark the old entry as obsolete.  */
+ 	  if (dh != NULL)
+diff --git a/nscd/grpcache.c b/nscd/grpcache.c
+index e9607c6..a698f36 100644
+--- a/nscd/grpcache.c
++++ b/nscd/grpcache.c
+@@ -1,5 +1,5 @@
+ /* Cache handling for group lookup.
+-   Copyright (C) 1998-2008, 2009, 2011 Free Software Foundation, Inc.
++   Copyright (C) 1998-2008, 2009, 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
+ 
+@@ -120,8 +120,9 @@ cache_addgr (struct database_dyn *db, int fd, request_header *req,
+ 	  else
+ 	    written = total;
+ 
+-	  /* If we cannot permanently store the result, so be it.  */
+-	  if (db->negtimeout == 0)
++	  /* If we have a transient error or cannot permanently store
++	     the result, so be it.  */
++	  if (errno == EAGAIN || __builtin_expect (db->negtimeout == 0, 0))
+ 	    {
+ 	      /* Mark the old entry as obsolete.  */
+ 	      if (dh != NULL)
+diff --git a/nscd/hstcache.c b/nscd/hstcache.c
+index 4d68ade..c72feaa 100644
+--- a/nscd/hstcache.c
++++ b/nscd/hstcache.c
+@@ -1,5 +1,5 @@
+ /* Cache handling for host lookup.
+-   Copyright (C) 1998-2008, 2009, 2011 Free Software Foundation, Inc.
++   Copyright (C) 1998-2008, 2009, 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
+ 
+@@ -141,8 +141,9 @@ cache_addhst (struct database_dyn *db, int fd, request_header *req,
+ 					MSG_NOSIGNAL)) != total)
+ 	    all_written = false;
+ 
+-	  /* If we cannot permanently store the result, so be it.  */
+-	  if (__builtin_expect (db->negtimeout == 0, 0))
++	  /* If we have a transient error or cannot permanently store
++	     the result, so be it.  */
++	  if (errval == EAGAIN || __builtin_expect (db->negtimeout == 0, 0))
+ 	    {
+ 	      /* Mark the old entry as obsolete.  */
+ 	      if (dh != NULL)
+diff --git a/nscd/initgrcache.c b/nscd/initgrcache.c
+index 4ac9942..2019991 100644
+--- a/nscd/initgrcache.c
++++ b/nscd/initgrcache.c
+@@ -1,5 +1,5 @@
+ /* Cache handling for host lookup.
+-   Copyright (C) 2004-2006, 2008, 2009, 2011 Free Software Foundation, Inc.
++   Copyright (C) 2004-2006, 2008, 2009, 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
+ 
+@@ -202,8 +202,9 @@ addinitgroupsX (struct database_dyn *db, int fd, request_header *req,
+ 	    written = TEMP_FAILURE_RETRY (send (fd, &notfound, total,
+ 						MSG_NOSIGNAL));
+ 
+-	  /* If we cannot permanently store the result, so be it.  */
+-	  if (__builtin_expect (db->negtimeout == 0, 0))
++	  /* If we have a transient error or cannot permanently store
++	     the result, so be it.  */
++	  if (all_tryagain || __builtin_expect (db->negtimeout == 0, 0))
+ 	    {
+ 	      /* Mark the old entry as obsolete.  */
+ 	      if (dh != NULL)
+diff --git a/nscd/pwdcache.c b/nscd/pwdcache.c
+index 49e130c..e2ba09d 100644
+--- a/nscd/pwdcache.c
++++ b/nscd/pwdcache.c
+@@ -1,5 +1,5 @@
+ /* Cache handling for passwd lookup.
+-   Copyright (C) 1998-2008, 2009, 2011 Free Software Foundation, Inc.
++   Copyright (C) 1998-2008, 2009, 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
+ 
+@@ -124,8 +124,9 @@ cache_addpw (struct database_dyn *db, int fd, request_header *req,
+ 	    written = TEMP_FAILURE_RETRY (send (fd, &notfound, total,
+ 						MSG_NOSIGNAL));
+ 
+-	  /* If we cannot permanently store the result, so be it.  */
+-	  if (__builtin_expect (db->negtimeout == 0, 0))
++	  /* If we have a transient error or cannot permanently store
++	     the result, so be it.  */
++	  if (errno == EAGAIN || __builtin_expect (db->negtimeout == 0, 0))
+ 	    {
+ 	      /* Mark the old entry as obsolete.  */
+ 	      if (dh != NULL)
+diff --git a/nscd/servicescache.c b/nscd/servicescache.c
+index d3d5dce..a6337e3 100644
+--- a/nscd/servicescache.c
++++ b/nscd/servicescache.c
+@@ -1,5 +1,5 @@
+ /* Cache handling for services lookup.
+-   Copyright (C) 2007, 2008, 2009, 2011 Free Software Foundation, Inc.
++   Copyright (C) 2007, 2008, 2009, 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@drepper.com>, 2007.
+ 
+@@ -108,8 +108,9 @@ cache_addserv (struct database_dyn *db, int fd, request_header *req,
+ 	    written = TEMP_FAILURE_RETRY (send (fd, &notfound, total,
+ 						MSG_NOSIGNAL));
+ 
+-	  /* If we cannot permanently store the result, so be it.  */
+-	  if (__builtin_expect (db->negtimeout == 0, 0))
++	  /* If we have a transient error or cannot permanently store
++	     the result, so be it.  */
++	  if (errval == EAGAIN || __builtin_expect (db->negtimeout == 0, 0))
+ 	    {
+ 	      /* Mark the old entry as obsolete.  */
+ 	      if (dh != NULL)
diff --git a/testing/glibc/glibc-2.15-non-signalling-comparisons.patch b/testing/glibc/glibc-2.15-non-signalling-comparisons.patch
new file mode 100644
index 000000000..874f8b4cb
--- /dev/null
+++ b/testing/glibc/glibc-2.15-non-signalling-comparisons.patch
@@ -0,0 +1,886 @@
+diff --git a/math/w_acos.c b/math/w_acos.c
+index 3138408..0490933 100644
+--- a/math/w_acos.c
++++ b/math/w_acos.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,8 @@
+ double
+ __acos (double x)
+ {
+-  if (__builtin_expect (fabs (x) > 1.0, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isgreater (fabs (x), 1.0), 0)
++      && _LIB_VERSION != _IEEE_)
+     {
+       /* acos(|x|>1) */
+       feraiseexcept (FE_INVALID);
+diff --git a/math/w_acosf.c b/math/w_acosf.c
+index 0e41a2c..2500a7d 100644
+--- a/math/w_acosf.c
++++ b/math/w_acosf.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,8 @@
+ float
+ __acosf (float x)
+ {
+-  if (__builtin_expect (fabsf (x) > 1.0f, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isgreater (fabsf (x), 1.0f), 0)
++      && _LIB_VERSION != _IEEE_)
+     {
+       /* acos(|x|>1) */
+       feraiseexcept (FE_INVALID);
+diff --git a/math/w_acosh.c b/math/w_acosh.c
+index 0bd2686..d632987 100644
+--- a/math/w_acosh.c
++++ b/math/w_acosh.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -24,7 +24,7 @@
+ double
+ __acosh (double x)
+ {
+-  if (__builtin_expect (x < 1.0, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isless (x,  1.0), 0) && _LIB_VERSION != _IEEE_)
+     /* acosh(x<1) */
+     return __kernel_standard (x, x, 29);
+ 
+diff --git a/math/w_acoshf.c b/math/w_acoshf.c
+index c59bf94..f77df2b 100644
+--- a/math/w_acoshf.c
++++ b/math/w_acoshf.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -24,7 +24,7 @@
+ float
+ __acoshf (float x)
+ {
+-  if (__builtin_expect (x < 1.0f, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isless (x, 1.0f), 0) && _LIB_VERSION != _IEEE_)
+     /* acosh(x<1) */
+     return __kernel_standard_f (x, x, 129);
+ 
+diff --git a/math/w_acoshl.c b/math/w_acoshl.c
+index 819bdfc..cc823b8 100644
+--- a/math/w_acoshl.c
++++ b/math/w_acoshl.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -24,7 +24,7 @@
+ long double
+ __acoshl (long double x)
+ {
+-  if (__builtin_expect (x < 1.0L, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isless (x, 1.0L), 0) && _LIB_VERSION != _IEEE_)
+     /* acosh(x<1) */
+     return __kernel_standard (x, x, 229);
+ 
+diff --git a/math/w_acosl.c b/math/w_acosl.c
+index 6417068..05023b4 100644
+--- a/math/w_acosl.c
++++ b/math/w_acosl.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,8 @@
+ long double
+ __acosl (long double x)
+ {
+-  if (__builtin_expect (fabsl (x) > 1.0L, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isgreater (fabsl (x), 1.0L), 0)
++      && _LIB_VERSION != _IEEE_)
+     {
+       /* acos(|x|>1) */
+       feraiseexcept (FE_INVALID);
+diff --git a/math/w_asin.c b/math/w_asin.c
+index d4e89ce..0fa9487 100644
+--- a/math/w_asin.c
++++ b/math/w_asin.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,8 @@
+ double
+ __asin (double x)
+ {
+-  if (__builtin_expect (fabs (x) > 1.0, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isgreater (fabs (x),  1.0), 0)
++      && _LIB_VERSION != _IEEE_)
+     {
+       /* asin(|x|>1) */
+       feraiseexcept (FE_INVALID);
+diff --git a/math/w_asinf.c b/math/w_asinf.c
+index 270961f..c28edab 100644
+--- a/math/w_asinf.c
++++ b/math/w_asinf.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,8 @@
+ float
+ __asinf (float x)
+ {
+-  if (__builtin_expect (fabsf (x) > 1.0f, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isgreater (fabsf (x), 1.0f), 0)
++      && _LIB_VERSION != _IEEE_)
+     {
+       /* asin(|x|>1) */
+       feraiseexcept (FE_INVALID);
+diff --git a/math/w_asinl.c b/math/w_asinl.c
+index 32e5273..e4036d8 100644
+--- a/math/w_asinl.c
++++ b/math/w_asinl.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,8 @@
+ long double
+ __asinl (long double x)
+ {
+-  if (__builtin_expect (fabsl (x) > 1.0L, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isgreater (fabsl (x), 1.0L), 0)
++      && _LIB_VERSION != _IEEE_)
+     {
+       /* asin(|x|>1) */
+       feraiseexcept (FE_INVALID);
+diff --git a/math/w_atanh.c b/math/w_atanh.c
+index 1022bd5..190d2e9 100644
+--- a/math/w_atanh.c
++++ b/math/w_atanh.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -24,7 +24,8 @@
+ double
+ __atanh (double x)
+ {
+-  if (__builtin_expect (fabs (x) >= 1.0, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isgreaterequal (fabs (x), 1.0), 0)
++      && _LIB_VERSION != _IEEE_)
+     return __kernel_standard (x, x,
+ 			      fabs (x) > 1.0
+ 			      ? 30		/* atanh(|x|>1) */
+diff --git a/math/w_atanhf.c b/math/w_atanhf.c
+index 3c8cf83..e0c5dc3 100644
+--- a/math/w_atanhf.c
++++ b/math/w_atanhf.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -24,7 +24,8 @@
+ float
+ __atanhf (float x)
+ {
+-  if (__builtin_expect (fabsf (x) >= 1.0f, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isgreaterequal (fabsf (x), 1.0f), 0)
++      && _LIB_VERSION != _IEEE_)
+     return __kernel_standard_f (x, x,
+ 				fabsf (x) > 1.0f
+ 				? 130		/* atanh(|x|>1) */
+diff --git a/math/w_atanhl.c b/math/w_atanhl.c
+index f582acf..319535d 100644
+--- a/math/w_atanhl.c
++++ b/math/w_atanhl.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -24,7 +24,8 @@
+ long double
+ __atanhl (long double x)
+ {
+-  if (__builtin_expect (fabsl (x) >= 1.0L, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isgreaterequal (fabsl (x), 1.0L), 0)
++      && _LIB_VERSION != _IEEE_)
+     return __kernel_standard (x, x,
+ 			      fabsl (x) > 1.0L
+ 			      ? 230		/* atanh(|x|>1) */
+diff --git a/math/w_exp2.c b/math/w_exp2.c
+index bf22326..7a3b0af 100644
+--- a/math/w_exp2.c
++++ b/math/w_exp2.c
+@@ -12,7 +12,8 @@ static const double u_threshold = (double) (DBL_MIN_EXP - DBL_MANT_DIG - 1);
+ double
+ __exp2 (double x)
+ {
+-  if (__builtin_expect (x <= u_threshold || x > o_threshold, 0)
++  if (__builtin_expect (islessequal (x, u_threshold)
++			|| isgreater (x, o_threshold), 0)
+       && _LIB_VERSION != _IEEE_ && __finite (x))
+     /* exp2 overflow: 44, exp2 underflow: 45 */
+     return __kernel_standard (x, x, 44 + (x <= o_threshold));
+diff --git a/math/w_exp2f.c b/math/w_exp2f.c
+index 7215fca..c4e9e94 100644
+--- a/math/w_exp2f.c
++++ b/math/w_exp2f.c
+@@ -12,7 +12,8 @@ static const float u_threshold = (float) (FLT_MIN_EXP - FLT_MANT_DIG - 1);
+ float
+ __exp2f (float x)
+ {
+-  if (__builtin_expect (x <= u_threshold || x > o_threshold, 0)
++  if (__builtin_expect (islessequal (x, u_threshold)
++			|| isgreater (x, o_threshold), 0)
+       && _LIB_VERSION != _IEEE_ && __finitef (x))
+     /* exp2 overflow: 144, exp2 underflow: 145 */
+     return __kernel_standard_f (x, x, 144 + (x <= o_threshold));
+diff --git a/math/w_exp2l.c b/math/w_exp2l.c
+index ac8d231..442a637 100644
+--- a/math/w_exp2l.c
++++ b/math/w_exp2l.c
+@@ -13,7 +13,8 @@ static const long double u_threshold
+ long double
+ __exp2l (long double x)
+ {
+-  if (__builtin_expect (x <= u_threshold || x > o_threshold, 0)
++  if (__builtin_expect (islessequal (x, u_threshold)
++			|| isgreater (x, o_threshold), 0)
+       && _LIB_VERSION != _IEEE_ && __finitel (x))
+     /* exp2 overflow: 244, exp2 underflow: 245 */
+     return __kernel_standard (x, x, 244 + (x <= o_threshold));
+diff --git a/math/w_j0.c b/math/w_j0.c
+index 1dff8b4..f8d3724 100644
+--- a/math/w_j0.c
++++ b/math/w_j0.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,8 @@
+ double
+ j0 (double x)
+ {
+-  if (__builtin_expect (fabs (x) > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isgreater (fabs (x), X_TLOSS), 0)
++      && _LIB_VERSION != _IEEE_)
+     /* j0(|x|>X_TLOSS) */
+     return __kernel_standard (x, x, 34);
+ 
+@@ -40,7 +41,8 @@ strong_alias (j0, j0l)
+ double
+ y0 (double x)
+ {
+-  if (__builtin_expect (x <= 0.0 || x > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (islessequal (x, 0.0) || isgreater (x, X_TLOSS), 0)
++      && _LIB_VERSION != _IEEE_)
+     {
+       if (x < 0.0)
+ 	{
+diff --git a/math/w_j0f.c b/math/w_j0f.c
+index fc52f26..cef36aa 100644
+--- a/math/w_j0f.c
++++ b/math/w_j0f.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,7 @@
+ float
+ j0f (float x)
+ {
+-  if (__builtin_expect (fabsf (x) > (float) X_TLOSS, 0)
++  if (__builtin_expect (isgreater (fabsf (x), (float) X_TLOSS), 0)
+       && _LIB_VERSION != _IEEE_)
+     /* j0(|x|>X_TLOSS) */
+     return __kernel_standard_f (x, x, 134);
+@@ -38,7 +38,8 @@ j0f (float x)
+ float
+ y0f (float x)
+ {
+-  if (__builtin_expect (x <= 0.0f || x > (float) X_TLOSS, 0)
++  if (__builtin_expect (islessequal (x, 0.0f)
++                        || isgreater (x, (float) X_TLOSS), 0)
+       && _LIB_VERSION != _IEEE_)
+     {
+       if (x < 0.0f)
+diff --git a/math/w_j0l.c b/math/w_j0l.c
+index 8d72d50..144f33c 100644
+--- a/math/w_j0l.c
++++ b/math/w_j0l.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,8 @@
+ long double
+ __j0l (long double x)
+ {
+-  if (__builtin_expect (fabsl (x) > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isgreater (fabsl (x), X_TLOSS), 0)
++      && _LIB_VERSION != _IEEE_)
+     /* j0(|x|>X_TLOSS) */
+     return __kernel_standard (x, x, 234);
+ 
+@@ -38,7 +39,8 @@ weak_alias (__j0l, j0l)
+ long double
+ __y0l (long double x)
+ {
+-  if (__builtin_expect (x <= 0.0L || x > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (islessequal (x, 0.0L) || isgreater (x, X_TLOSS), 0)
++      && _LIB_VERSION != _IEEE_)
+     {
+       if (x < 0.0L)
+ 	{
+diff --git a/math/w_j1.c b/math/w_j1.c
+index 358e0e1..e9a5357 100644
+--- a/math/w_j1.c
++++ b/math/w_j1.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,8 @@
+ double
+ j1 (double x)
+ {
+-  if (__builtin_expect (fabs (x) > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isgreater (fabs (x), X_TLOSS), 0)
++      && _LIB_VERSION != _IEEE_)
+     /* j1(|x|>X_TLOSS) */
+     return __kernel_standard (x, x, 36);
+ 
+@@ -40,7 +41,8 @@ strong_alias (j1, j1l)
+ double
+ y1 (double x)
+ {
+-  if (__builtin_expect (x <= 0.0 || x > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (islessequal (x, 0.0) || isgreater (x, X_TLOSS), 0)
++      && _LIB_VERSION != _IEEE_)
+     {
+       if (x < 0.0)
+ 	{
+diff --git a/math/w_j1f.c b/math/w_j1f.c
+index 096fdf5..29bd949 100644
+--- a/math/w_j1f.c
++++ b/math/w_j1f.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,8 @@
+ float
+ j1f (float x)
+ {
+-  if (__builtin_expect (fabsf (x) > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isgreater (fabsf (x), X_TLOSS), 0)
++      && _LIB_VERSION != _IEEE_)
+     /* j1(|x|>X_TLOSS) */
+     return __kernel_standard_f (x, x, 136);
+ 
+@@ -37,7 +38,8 @@ j1f (float x)
+ float
+ y1f (float x)
+ {
+-  if (__builtin_expect (x <= 0.0f || x > (float) X_TLOSS, 0)
++  if (__builtin_expect (islessequal (x, 0.0f)
++			|| isgreater (x, (float) X_TLOSS), 0)
+       && _LIB_VERSION != _IEEE_)
+     {
+       if (x < 0.0f)
+diff --git a/math/w_j1l.c b/math/w_j1l.c
+index 93e4ee4..01b8551 100644
+--- a/math/w_j1l.c
++++ b/math/w_j1l.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,8 @@
+ long double
+ __j1l (long double x)
+ {
+-  if (__builtin_expect (fabsl (x) > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isgreater (fabsl (x), X_TLOSS), 0)
++      && _LIB_VERSION != _IEEE_)
+     /* j1(|x|>X_TLOSS) */
+     return __kernel_standard (x, x, 236);
+ 
+@@ -38,7 +39,8 @@ weak_alias (__j1l, j1l)
+ long double
+ __y1l (long double x)
+ {
+-  if (__builtin_expect (x <= 0.0L || x > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (islessequal (x, 0.0L) || isgreater (x, X_TLOSS), 0)
++      && _LIB_VERSION != _IEEE_)
+     {
+       if (x < 0.0L)
+ 	{
+diff --git a/math/w_jn.c b/math/w_jn.c
+index f0dd8c6..fd3fb16 100644
+--- a/math/w_jn.c
++++ b/math/w_jn.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,8 @@
+ double
+ jn (int n, double x)
+ {
+-  if (__builtin_expect (fabs (x) > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isgreater (fabs (x), X_TLOSS), 0)
++      && _LIB_VERSION != _IEEE_)
+     /* jn(n,|x|>X_TLOSS) */
+     return __kernel_standard (n, x, 38);
+ 
+@@ -40,7 +41,8 @@ strong_alias (jn, jnl)
+ double
+ yn (int n, double x)
+ {
+-  if (__builtin_expect (x <= 0.0 || x > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (islessequal (x, 0.0) || isgreater (x, X_TLOSS), 0)
++      && _LIB_VERSION != _IEEE_)
+     {
+       if (x < 0.0)
+ 	{
+diff --git a/math/w_jnf.c b/math/w_jnf.c
+index ef29eb4..36d6f6d 100644
+--- a/math/w_jnf.c
++++ b/math/w_jnf.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,7 @@
+ float
+ jnf (int n, float x)
+ {
+-  if (__builtin_expect (fabsf (x) > (float) X_TLOSS, 0)
++  if (__builtin_expect (isgreater (fabsf (x), (float) X_TLOSS), 0)
+       && _LIB_VERSION != _IEEE_)
+     /* jn(n,|x|>X_TLOSS) */
+     return __kernel_standard_f (n, x, 138);
+@@ -38,7 +38,8 @@ jnf (int n, float x)
+ float
+ ynf (int n, float x)
+ {
+-  if (__builtin_expect (x <= 0.0f || x > (float) X_TLOSS, 0)
++  if (__builtin_expect (islessequal (x, 0.0f)
++			|| isgreater (x, (float) X_TLOSS), 0)
+       && _LIB_VERSION != _IEEE_)
+     {
+       if (x < 0.0f)
+diff --git a/math/w_log.c b/math/w_log.c
+index efc1c4c..ec33605 100644
+--- a/math/w_log.c
++++ b/math/w_log.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,7 @@
+ double
+ __log (double x)
+ {
+-  if (__builtin_expect (x <= 0.0, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (islessequal (x, 0.0), 0) && _LIB_VERSION != _IEEE_)
+     {
+       if (x == 0.0)
+ 	{
+diff --git a/math/w_log10.c b/math/w_log10.c
+index 2717ade..fe799ad 100644
+--- a/math/w_log10.c
++++ b/math/w_log10.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,7 @@
+ double
+ __log10 (double x)
+ {
+-  if (__builtin_expect (x <= 0.0, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (islessequal (x, 0.0), 0) && _LIB_VERSION != _IEEE_)
+     {
+       if (x == 0.0)
+ 	{
+diff --git a/math/w_log10f.c b/math/w_log10f.c
+index 60737ca..4b821f7 100644
+--- a/math/w_log10f.c
++++ b/math/w_log10f.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,7 @@
+ float
+ __log10f (float x)
+ {
+-  if (__builtin_expect (x <= 0.0f, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (islessequal (x, 0.0f), 0) && _LIB_VERSION != _IEEE_)
+     {
+       if (x == 0.0f)
+ 	{
+diff --git a/math/w_log10l.c b/math/w_log10l.c
+index b26f18c..0e5a137 100644
+--- a/math/w_log10l.c
++++ b/math/w_log10l.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,7 @@
+ long double
+ __log10l (long double x)
+ {
+-  if (__builtin_expect (x <= 0.0L, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (islessequal (x, 0.0L), 0) && _LIB_VERSION != _IEEE_)
+     {
+       if (x == 0.0L)
+ 	{
+diff --git a/math/w_log2.c b/math/w_log2.c
+index 998e5d9..e58e109 100644
+--- a/math/w_log2.c
++++ b/math/w_log2.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,7 @@
+ double
+ __log2 (double x)
+ {
+-  if (__builtin_expect (x <= 0.0, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (islessequal (x, 0.0), 0) && _LIB_VERSION != _IEEE_)
+     {
+       if (x == 0.0)
+ 	{
+diff --git a/math/w_log2f.c b/math/w_log2f.c
+index 6d91bf4..6963ed2 100644
+--- a/math/w_log2f.c
++++ b/math/w_log2f.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,7 @@
+ float
+ __log2f (float x)
+ {
+-  if (__builtin_expect (x <= 0.0f, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (islessequal (x, 0.0f), 0) && _LIB_VERSION != _IEEE_)
+     {
+       if (x == 0.0)
+ 	{
+diff --git a/math/w_log2l.c b/math/w_log2l.c
+index e51c1bc..eed04ff6c 100644
+--- a/math/w_log2l.c
++++ b/math/w_log2l.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,7 @@
+ long double
+ __log2l (long double x)
+ {
+-  if (__builtin_expect (x <= 0.0L, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (islessequal (x, 0.0L), 0) && _LIB_VERSION != _IEEE_)
+     {
+       if (x == 0.0L)
+ 	{
+diff --git a/math/w_logf.c b/math/w_logf.c
+index 8aa27c8..38d408f 100644
+--- a/math/w_logf.c
++++ b/math/w_logf.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,7 @@
+ float
+ __logf (float x)
+ {
+-  if (__builtin_expect (x <= 0.0f, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (islessequal (x, 0.0f), 0) && _LIB_VERSION != _IEEE_)
+     {
+       if (x == 0.0f)
+ 	{
+diff --git a/math/w_logl.c b/math/w_logl.c
+index a3139ff..593b37d 100644
+--- a/math/w_logl.c
++++ b/math/w_logl.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -25,7 +25,7 @@
+ long double
+ __logl (long double x)
+ {
+-  if (__builtin_expect (x <= 0.0L, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (islessequal (x, 0.0L), 0) && _LIB_VERSION != _IEEE_)
+     {
+       if (x == 0.0L)
+ 	{
+diff --git a/math/w_sqrt.c b/math/w_sqrt.c
+index 409a6df..f6ba542 100644
+--- a/math/w_sqrt.c
++++ b/math/w_sqrt.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -24,7 +24,7 @@
+ double
+ __sqrt (double x)
+ {
+-  if (__builtin_expect (x < 0.0, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isless (x, 0.0), 0) && _LIB_VERSION != _IEEE_)
+     return __kernel_standard (x, x, 26); /* sqrt(negative) */
+ 
+   return __ieee754_sqrt (x);
+diff --git a/math/w_sqrtf.c b/math/w_sqrtf.c
+index 3c3d2f8..c128e9b 100644
+--- a/math/w_sqrtf.c
++++ b/math/w_sqrtf.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -24,7 +24,7 @@
+ float
+ __sqrtf (float x)
+ {
+-  if (__builtin_expect (x < 0.0f, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isless (x, 0.0f), 0) && _LIB_VERSION != _IEEE_)
+     return __kernel_standard_f (x, x, 126); /* sqrt(negative) */
+ 
+   return __ieee754_sqrtf (x);
+diff --git a/math/w_sqrtl.c b/math/w_sqrtl.c
+index 5e18f44..2a4a048 100644
+--- a/math/w_sqrtl.c
++++ b/math/w_sqrtl.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -24,7 +24,7 @@
+ long double
+ __sqrtl (long double x)
+ {
+-  if (__builtin_expect (x < 0.0L, 0) && _LIB_VERSION != _IEEE_)
++  if (__builtin_expect (isless (x, 0.0L), 0) && _LIB_VERSION != _IEEE_)
+     return __kernel_standard (x, x, 226); /* sqrt(negative) */
+ 
+   return __ieee754_sqrtl (x);
+diff --git a/sysdeps/ieee754/dbl-64/e_atanh.c b/sysdeps/ieee754/dbl-64/e_atanh.c
+index 9fc21ab..5f471b1 100644
+--- a/sysdeps/ieee754/dbl-64/e_atanh.c
++++ b/sysdeps/ieee754/dbl-64/e_atanh.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -46,7 +46,7 @@ __ieee754_atanh (double x)
+ {
+   double xa = fabs (x);
+   double t;
+-  if (xa < 0.5)
++  if (isless (xa, 0.5))
+     {
+       if (__builtin_expect (xa < 0x1.0p-28, 0))
+ 	{
+@@ -57,11 +57,11 @@ __ieee754_atanh (double x)
+       t = xa + xa;
+       t = 0.5 * __log1p (t + t * xa / (1.0 - xa));
+     }
+-  else if (__builtin_expect (xa < 1.0, 1))
++  else if (__builtin_expect (isless (xa, 1.0), 1))
+     t = 0.5 * __log1p ((xa + xa) / (1.0 - xa));
+   else
+     {
+-      if (xa > 1.0)
++      if (isgreater (xa, 1.0))
+ 	return (x - x) / (x - x);
+ 
+       return x / 0.0;
+diff --git a/sysdeps/ieee754/dbl-64/w_exp.c b/sysdeps/ieee754/dbl-64/w_exp.c
+index ee42587..b584ed8 100644
+--- a/sysdeps/ieee754/dbl-64/w_exp.c
++++ b/sysdeps/ieee754/dbl-64/w_exp.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -28,12 +28,12 @@ u_threshold= -7.45133219101941108420e+02;  /* 0xc0874910, 0xD52D3051 */
+ double
+ __exp (double x)
+ {
+-  if (__builtin_expect (x > o_threshold, 0))
++  if (__builtin_expect (isgreater (x, o_threshold), 0))
+     {
+       if (_LIB_VERSION != _IEEE_)
+ 	return __kernel_standard_f (x, x, 6);
+     }
+-  else if (__builtin_expect (x < u_threshold, 0))
++  else if (__builtin_expect (isless (x, u_threshold), 0))
+     {
+       if (_LIB_VERSION != _IEEE_)
+ 	return __kernel_standard_f (x, x, 7);
+diff --git a/sysdeps/ieee754/flt-32/e_atanhf.c b/sysdeps/ieee754/flt-32/e_atanhf.c
+index 75ed691..7af2f6c 100644
+--- a/sysdeps/ieee754/flt-32/e_atanhf.c
++++ b/sysdeps/ieee754/flt-32/e_atanhf.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -46,7 +46,7 @@ __ieee754_atanhf (float x)
+ {
+   float xa = fabsf (x);
+   float t;
+-  if (xa < 0.5f)
++  if (isless (xa, 0.5f))
+     {
+       if (__builtin_expect (xa < 0x1.0p-28f, 0))
+ 	{
+@@ -57,11 +57,11 @@ __ieee754_atanhf (float x)
+       t = xa + xa;
+       t = 0.5f * __log1pf (t + t * xa / (1.0f - xa));
+     }
+-  else if (__builtin_expect (xa < 1.0f, 1))
++  else if (__builtin_expect (isless (xa, 1.0f), 1))
+     t = 0.5f * __log1pf ((xa + xa) / (1.0f - xa));
+   else
+     {
+-      if (xa > 1.0f)
++      if (isgreater (xa, 1.0f))
+ 	return (x - x) / (x - x);
+ 
+       return x / 0.0f;
+diff --git a/sysdeps/ieee754/flt-32/w_expf.c b/sysdeps/ieee754/flt-32/w_expf.c
+index 5500872..bc3b2f6 100644
+--- a/sysdeps/ieee754/flt-32/w_expf.c
++++ b/sysdeps/ieee754/flt-32/w_expf.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -28,12 +28,12 @@ u_threshold= -1.0397208405e+02;  /* 0xc2cff1b5 */
+ float
+ __expf (float x)
+ {
+-  if (__builtin_expect (x > o_threshold, 0))
++  if (__builtin_expect (isgreater (x, o_threshold), 0))
+     {
+       if (_LIB_VERSION != _IEEE_)
+ 	return __kernel_standard_f (x, x, 106);
+     }
+-  else if (__builtin_expect (x < u_threshold, 0))
++  else if (__builtin_expect (isless (x, u_threshold), 0))
+     {
+       if (_LIB_VERSION != _IEEE_)
+ 	return __kernel_standard_f (x, x, 107);
+diff --git a/sysdeps/ieee754/ldbl-96/w_expl.c b/sysdeps/ieee754/ldbl-96/w_expl.c
+index ec9d8a7..d61c0a3 100644
+--- a/sysdeps/ieee754/ldbl-96/w_expl.c
++++ b/sysdeps/ieee754/ldbl-96/w_expl.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 2011 Free Software Foundation, Inc.
++/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+ 
+@@ -30,12 +30,12 @@ u_threshold= -1.140019167866942050398521670162263001513e4;
+ long double
+ __expl (long double x)
+ {
+-  if (__builtin_expect (x > o_threshold, 0))
++  if (__builtin_expect (isgreater (x, o_threshold), 0))
+     {
+       if (_LIB_VERSION != _IEEE_)
+ 	return __kernel_standard (x, x, 206);
+     }
+-  else if (__builtin_expect (x < u_threshold, 0))
++  else if (__builtin_expect (isless (x, u_threshold), 0))
+     {
+       if (_LIB_VERSION != _IEEE_)
+ 	return __kernel_standard (x, x, 207);
diff --git a/testing/glibc/glibc-2.15-regex.patch b/testing/glibc/glibc-2.15-regex.patch
new file mode 100644
index 000000000..6385f2c08
--- /dev/null
+++ b/testing/glibc/glibc-2.15-regex.patch
@@ -0,0 +1,16 @@
+diff --git a/posix/regex_internal.c b/posix/regex_internal.c
+index bc19243..124f8cc 100644
+--- a/posix/regex_internal.c
++++ b/posix/regex_internal.c
+@@ -868,7 +868,7 @@ re_string_peek_byte_case (const re_string_t *pstr, int idx)
+ }
+ 
+ static unsigned char
+-internal_function __attribute ((pure))
++internal_function
+ re_string_fetch_byte_case (re_string_t *pstr)
+ {
+   if (BE (!pstr->mbs_allocated, 1))
+-- 
+1.7.3.4
+
diff --git a/testing/glibc/glibc-2.15-revert-c5a0802a.patch b/testing/glibc/glibc-2.15-revert-c5a0802a.patch
new file mode 100644
index 000000000..f532b95e8
--- /dev/null
+++ b/testing/glibc/glibc-2.15-revert-c5a0802a.patch
@@ -0,0 +1,229 @@
+diff -rup a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S
+--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S	2011-12-22 18:04:12.937212834 +0000
++++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S	2011-12-22 18:04:42.104222278 +0000
+@@ -137,7 +137,6 @@ __pthread_cond_wait:
+ 	cmpl	$PI_BIT, %eax
+ 	jne	18f
+ 
+-90:
+ 	movl	$(FUTEX_WAIT_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %ecx
+ 	movl	%ebp, %edx
+ 	xorl	%esi, %esi
+@@ -151,9 +150,6 @@ __pthread_cond_wait:
+ 	sete	16(%esp)
+ 	je	19f
+ 
+-	cmpl	$-EAGAIN, %eax
+-	je	91f
+-
+ 	/* Normal and PI futexes dont mix. Use normal futex functions only
+ 	   if the kernel does not support the PI futex functions.  */
+ 	cmpl	$-ENOSYS, %eax
+@@ -398,78 +394,6 @@ __pthread_cond_wait:
+ #endif
+ 	call	__lll_unlock_wake
+ 	jmp	11b
+-
+-91:
+-.LcleanupSTART2:
+-	/* FUTEX_WAIT_REQUEUE_PI returned EAGAIN.  We need to
+-	   call it again.  */
+-
+-	/* Get internal lock.  */
+-	movl	$1, %edx
+-	xorl	%eax, %eax
+-	LOCK
+-#if cond_lock == 0
+-	cmpxchgl %edx, (%ebx)
+-#else
+-	cmpxchgl %edx, cond_lock(%ebx)
+-#endif
+-	jz	92f
+-
+-#if cond_lock == 0
+-	movl	%ebx, %edx
+-#else
+-	leal	cond_lock(%ebx), %edx
+-#endif
+-#if (LLL_SHARED-LLL_PRIVATE) > 255
+-	xorl	%ecx, %ecx
+-#endif
+-	cmpl	$-1, dep_mutex(%ebx)
+-	setne	%cl
+-	subl	$1, %ecx
+-	andl	$(LLL_SHARED-LLL_PRIVATE), %ecx
+-#if LLL_PRIVATE != 0
+-	addl	$LLL_PRIVATE, %ecx
+-#endif
+-	call	__lll_lock_wait
+-
+-92:
+-	/* Increment the cond_futex value again, so it can be used as a new
+-	   expected value. */
+-	addl	$1, cond_futex(%ebx)
+-	movl	cond_futex(%ebx), %ebp
+-
+-	/* Unlock.  */
+-	LOCK
+-#if cond_lock == 0
+-	subl	$1, (%ebx)
+-#else
+-	subl	$1, cond_lock(%ebx)
+-#endif
+-	je	93f
+-#if cond_lock == 0
+-	movl	%ebx, %eax
+-#else
+-	leal	cond_lock(%ebx), %eax
+-#endif
+-#if (LLL_SHARED-LLL_PRIVATE) > 255
+-	xorl	%ecx, %ecx
+-#endif
+-	cmpl	$-1, dep_mutex(%ebx)
+-	setne	%cl
+-	subl	$1, %ecx
+-	andl	$(LLL_SHARED-LLL_PRIVATE), %ecx
+-#if LLL_PRIVATE != 0
+-	addl	$LLL_PRIVATE, %ecx
+-#endif
+-	call	__lll_unlock_wake
+-
+-93:
+-	/* Set the rest of SYS_futex args for FUTEX_WAIT_REQUEUE_PI. */
+-	xorl	%ecx, %ecx
+-	movl	dep_mutex(%ebx), %edi
+-	jmp	90b
+-.LcleanupEND2:
+-
+ 	.size	__pthread_cond_wait, .-__pthread_cond_wait
+ versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
+ 		  GLIBC_2_3_2)
+@@ -642,10 +566,6 @@ __condvar_w_cleanup:
+ 	.long	.LcleanupEND-.Lsub_cond_futex
+ 	.long	__condvar_w_cleanup-.LSTARTCODE
+ 	.uleb128  0
+-	.long	.LcleanupSTART2-.LSTARTCODE
+-	.long	.LcleanupEND2-.LcleanupSTART2
+-	.long	__condvar_w_cleanup-.LSTARTCODE
+-	.uleb128  0
+ 	.long	.LcallUR-.LSTARTCODE
+ 	.long	.LENDCODE-.LcallUR
+ 	.long	0
+Only in b/nptl/sysdeps/unix/sysv/linux/i386/i486: pthread_cond_wait.S.orig
+diff -rup a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
+--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S	2011-12-22 18:04:12.941212837 +0000
++++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S	2011-12-22 18:05:05.155229737 +0000
+@@ -23,7 +23,6 @@
+ #include <lowlevelcond.h>
+ #include <tcb-offsets.h>
+ #include <pthread-pi-defines.h>
+-#include <pthread-errnos.h>
+ 
+ #include <kernel-features.h>
+ 
+@@ -137,14 +136,11 @@ __pthread_cond_wait:
+ 	cmpl	$PI_BIT, %eax
+ 	jne	61f
+ 
+-90:
+ 	movl	$(FUTEX_WAIT_REQUEUE_PI|FUTEX_PRIVATE_FLAG), %esi
+ 	movl	$SYS_futex, %eax
+ 	syscall
+ 
+ 	movl	$1, %r8d
+-	cmpq	$-EAGAIN, %rax
+-	je	91f
+ #ifdef __ASSUME_REQUEUE_PI
+ 	jmp	62f
+ #else
+@@ -331,70 +327,6 @@ __pthread_cond_wait:
+ 
+ 13:	movq	%r10, %rax
+ 	jmp	14b
+-
+-91:
+-.LcleanupSTART2:
+-	/* FUTEX_WAIT_REQUEUE_PI returned EAGAIN.  We need to
+-	   call it again.  */
+-	movq	8(%rsp), %rdi
+-
+-	/* Get internal lock.  */
+-	movl	$1, %esi
+-	xorl	%eax, %eax
+-	LOCK
+-#if cond_lock == 0
+-	cmpxchgl %esi, (%rdi)
+-#else
+-	cmpxchgl %esi, cond_lock(%rdi)
+-#endif
+-	jz	92f
+-
+-#if cond_lock != 0
+-	addq	$cond_lock, %rdi
+-#endif
+-	cmpq	$-1, dep_mutex-cond_lock(%rdi)
+-	movl	$LLL_PRIVATE, %eax
+-	movl	$LLL_SHARED, %esi
+-	cmovne	%eax, %esi
+-	callq	__lll_lock_wait
+-#if cond_lock != 0
+-	subq	$cond_lock, %rdi
+-#endif
+-92:
+-	/* Increment the cond_futex value again, so it can be used as a new
+-	   expected value. */
+-	incl	cond_futex(%rdi)
+-	movl	cond_futex(%rdi), %edx
+-
+-	/* Release internal lock.  */
+-	LOCK
+-#if cond_lock == 0
+-	decl	(%rdi)
+-#else
+-	decl	cond_lock(%rdi)
+-#endif
+-	jz	93f
+-
+-#if cond_lock != 0
+-	addq	$cond_lock, %rdi
+-#endif
+-	cmpq	$-1, dep_mutex-cond_lock(%rdi)
+-	movl	$LLL_PRIVATE, %eax
+-	movl	$LLL_SHARED, %esi
+-	cmovne	%eax, %esi
+-	/* The call preserves %rdx.  */
+-	callq	__lll_unlock_wake
+-#if cond_lock != 0
+-	subq	$cond_lock, %rdi
+-#endif
+-93:
+-	/* Set the rest of SYS_futex args for FUTEX_WAIT_REQUEUE_PI. */
+-	xorq	%r10, %r10
+-	movq	dep_mutex(%rdi), %r8
+-	leaq	cond_futex(%rdi), %rdi
+-	jmp	90b
+-.LcleanupEND2:
+-
+ 	.size	__pthread_cond_wait, .-__pthread_cond_wait
+ versioned_symbol (libpthread, __pthread_cond_wait, pthread_cond_wait,
+ 		  GLIBC_2_3_2)
+@@ -547,15 +479,11 @@ __condvar_cleanup1:
+ 	.uleb128 .LcleanupSTART-.LSTARTCODE
+ 	.uleb128 .LcleanupEND-.LcleanupSTART
+ 	.uleb128 __condvar_cleanup1-.LSTARTCODE
+-	.uleb128 0
+-	.uleb128 .LcleanupSTART2-.LSTARTCODE
+-	.uleb128 .LcleanupEND2-.LcleanupSTART2
+-	.uleb128 __condvar_cleanup1-.LSTARTCODE
+-	.uleb128 0
++	.uleb128  0
+ 	.uleb128 .LcallUR-.LSTARTCODE
+ 	.uleb128 .LENDCODE-.LcallUR
+ 	.uleb128 0
+-	.uleb128 0
++	.uleb128  0
+ .Lcstend:
+ 
+ 
+Only in b/nptl/sysdeps/unix/sysv/linux/x86_64: pthread_cond_wait.S.orig
+Only in b/nptl/sysdeps/unix/sysv/linux/x86_64: pthread_cond_wait.S.rej
diff --git a/testing/glibc/glibc-2.15-revert-netlink-cache.patch b/testing/glibc/glibc-2.15-revert-netlink-cache.patch
new file mode 100644
index 000000000..87d04c794
--- /dev/null
+++ b/testing/glibc/glibc-2.15-revert-netlink-cache.patch
@@ -0,0 +1,680 @@
+diff --git a/include/ifaddrs.h b/include/ifaddrs.h
+index e1c6cac..50e4c48 100644
+--- a/include/ifaddrs.h
++++ b/include/ifaddrs.h
+@@ -21,13 +21,8 @@ struct in6addrinfo
+ extern void __check_pf (bool *seen_ipv4, bool *seen_ipv6,
+ 			struct in6addrinfo **in6ai, size_t *in6ailen)
+   attribute_hidden;
+-extern void __free_in6ai (struct in6addrinfo *in6ai) attribute_hidden;
+ extern void __check_native (uint32_t a1_index, int *a1_native,
+ 			    uint32_t a2_index, int *a2_native)
+   attribute_hidden;
+ 
+-#ifdef IS_IN_nscd
+-extern uint32_t __bump_nl_timestamp (void) attribute_hidden;
+-#endif
+-
+ #endif	/* ifaddrs.h */
+diff --git a/inet/check_pf.c b/inet/check_pf.c
+index 0fa34cc..b015432 100644
+--- a/inet/check_pf.c
++++ b/inet/check_pf.c
+@@ -1,5 +1,5 @@
+ /* Determine protocol families for which interfaces exist.  Generic version.
+-   Copyright (C) 2003, 2006, 2011 Free Software Foundation, Inc.
++   Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+ 
+    The GNU C Library is free software; you can redistribute it and/or
+@@ -54,19 +54,3 @@ __check_pf (bool *seen_ipv4, bool *seen_ipv6,
+ 
+   (void) freeifaddrs (ifa);
+ }
+-
+-
+-void
+-__free_in6ai (struct in6addrinfo *in6ai)
+-{
+-  /* Nothing to do.  */
+-}
+-
+-
+-#ifdef IS_IN_nscd
+-uint32_t
+-__bump_nl_timestamp (void)
+-{
+-  return 0;
+-}
+-#endif
+diff --git a/nscd/connections.c b/nscd/connections.c
+index c741996..2b5c7ef 100644
+--- a/nscd/connections.c
++++ b/nscd/connections.c
+@@ -24,7 +24,6 @@
+ #include <errno.h>
+ #include <fcntl.h>
+ #include <grp.h>
+-#include <ifaddrs.h>
+ #include <libintl.h>
+ #include <pthread.h>
+ #include <pwd.h>
+@@ -33,10 +32,6 @@
+ #include <stdlib.h>
+ #include <unistd.h>
+ #include <arpa/inet.h>
+-#ifdef HAVE_NETLINK
+-# include <linux/netlink.h>
+-# include <linux/rtnetlink.h>
+-#endif
+ #ifdef HAVE_EPOLL
+ # include <sys/epoll.h>
+ #endif
+@@ -252,11 +247,6 @@ static int sock;
+ int inotify_fd = -1;
+ #endif
+ 
+-#ifdef HAVE_NETLINK
+-/* Descriptor for netlink status updates.  */
+-static int nl_status_fd = -1;
+-#endif
+-
+ #ifndef __ASSUME_SOCK_CLOEXEC
+ /* Negative if SOCK_CLOEXEC is not supported, positive if it is, zero
+    before be know the result.  */
+@@ -913,65 +903,6 @@ cannot set socket to close on exec: %s; disabling paranoia mode"),
+       exit (1);
+     }
+ 
+-#ifdef HAVE_NETLINK
+-  if (dbs[hstdb].enabled)
+-    {
+-      /* Try to open netlink socket to monitor network setting changes.  */
+-      nl_status_fd = socket (AF_NETLINK,
+-			     SOCK_RAW | SOCK_CLOEXEC | SOCK_NONBLOCK,
+-			     NETLINK_ROUTE);
+-      if (nl_status_fd != -1)
+-	{
+-	  struct sockaddr_nl snl;
+-	  memset (&snl, '\0', sizeof (snl));
+-	  snl.nl_family = AF_NETLINK;
+-	  /* XXX Is this the best set to use?  */
+-	  snl.nl_groups = (RTMGRP_IPV4_IFADDR | RTMGRP_TC | RTMGRP_IPV4_MROUTE
+-			   | RTMGRP_IPV4_ROUTE | RTMGRP_IPV4_RULE
+-			   | RTMGRP_IPV6_IFADDR | RTMGRP_IPV6_MROUTE
+-			   | RTMGRP_IPV6_ROUTE | RTMGRP_IPV6_IFINFO
+-			   | RTMGRP_IPV6_PREFIX);
+-
+-	  if (bind (nl_status_fd, (struct sockaddr *) &snl, sizeof (snl)) != 0)
+-	    {
+-	      close (nl_status_fd);
+-	      nl_status_fd = -1;
+-	    }
+-	  else
+-	    {
+-	      /* Start the timestamp process.  */
+-	      dbs[hstdb].head->extra_data[NSCD_HST_IDX_CONF_TIMESTAMP]
+-		= __bump_nl_timestamp ();
+-
+-# ifndef __ASSUME_SOCK_CLOEXEC
+-	      if (have_sock_cloexec < 0)
+-		{
+-		  /* We don't want to get stuck on accept.  */
+-		  int fl = fcntl (nl_status_fd, F_GETFL);
+-		  if (fl == -1
+-		      || fcntl (nl_status_fd, F_SETFL, fl | O_NONBLOCK) == -1)
+-		    {
+-		      dbg_log (_("\
+-cannot change socket to nonblocking mode: %s"),
+-			       strerror (errno));
+-		      exit (1);
+-		    }
+-
+-		  /* The descriptor needs to be closed on exec.  */
+-		  if (paranoia
+-		      && fcntl (nl_status_fd, F_SETFD, FD_CLOEXEC) == -1)
+-		    {
+-		      dbg_log (_("cannot set socket to close on exec: %s"),
+-			       strerror (errno));
+-		      exit (1);
+-		    }
+-		}
+-# endif
+-	    }
+-	}
+-    }
+-#endif
+-
+   /* Change to unprivileged uid/gid/groups if specified in config file */
+   if (server_user != NULL)
+     finish_drop_privileges ();
+@@ -1895,18 +1826,6 @@ main_loop_poll (void)
+     }
+ #endif
+ 
+-#ifdef HAVE_NETLINK
+-  size_t idx_nl_status_fd = 0;
+-  if (nl_status_fd != -1)
+-    {
+-      idx_nl_status_fd = nused;
+-      conns[nused].fd = nl_status_fd;
+-      conns[nused].events = POLLRDNORM;
+-      ++nused;
+-      firstfree = nused;
+-    }
+-#endif
+-
+   while (1)
+     {
+       /* Wait for any event.  We wait at most a couple of seconds so
+@@ -2049,20 +1968,6 @@ disabled inotify after read error %d"),
+ 	    }
+ #endif
+ 
+-#ifdef HAVE_NETLINK
+-	  if (idx_nl_status_fd != 0 && conns[idx_nl_status_fd].revents != 0)
+-	    {
+-	      char buf[4096];
+-	      /* Read all the data.  We do not interpret it here.  */
+-	      while (TEMP_FAILURE_RETRY (read (nl_status_fd, buf,
+-					       sizeof (buf))) != -1)
+-		;
+-
+-	      dbs[hstdb].head->extra_data[NSCD_HST_IDX_CONF_TIMESTAMP]
+-		= __bump_nl_timestamp ();
+-	    }
+-#endif
+-
+ 	  for (size_t cnt = first; cnt < nused && n > 0; ++cnt)
+ 	    if (conns[cnt].revents != 0)
+ 	      {
+@@ -2141,17 +2046,6 @@ main_loop_epoll (int efd)
+     }
+ # endif
+ 
+-# ifdef HAVE_NETLINK
+-  if (nl_status_fd != -1)
+-    {
+-      ev.events = EPOLLRDNORM;
+-      ev.data.fd = nl_status_fd;
+-      if (epoll_ctl (efd, EPOLL_CTL_ADD, nl_status_fd, &ev) == -1)
+-	/* We cannot use epoll.  */
+-	return;
+-    }
+-# endif
+-
+   while (1)
+     {
+       struct epoll_event revs[100];
+@@ -2268,18 +2162,6 @@ main_loop_epoll (int efd)
+ 		}
+ 	  }
+ # endif
+-# ifdef HAVE_NETLINK
+-	else if (revs[cnt].data.fd == nl_status_fd)
+-	  {
+-	    char buf[4096];
+-	    /* Read all the data.  We do not interpret it here.  */
+-	    while (TEMP_FAILURE_RETRY (read (nl_status_fd, buf,
+-					     sizeof (buf))) != -1)
+-	      ;
+-
+-	    __bump_nl_timestamp ();
+-	  }
+-# endif
+ 	else
+ 	  {
+ 	    /* Remove the descriptor from the epoll descriptor.  */
+@@ -2303,7 +2185,6 @@ main_loop_epoll (int efd)
+       time_t laststart = now - ACCEPT_TIMEOUT;
+       assert (starttime[sock] == 0);
+       assert (inotify_fd == -1 || starttime[inotify_fd] == 0);
+-      assert (nl_status_fd == -1 || starttime[nl_status_fd] == 0);
+       for (int cnt = highest; cnt > STDERR_FILENO; --cnt)
+ 	if (starttime[cnt] != 0 && starttime[cnt] < laststart)
+ 	  {
+diff --git a/nscd/nscd-client.h b/nscd/nscd-client.h
+index b5cd2d2..caad26a 100644
+--- a/nscd/nscd-client.h
++++ b/nscd/nscd-client.h
+@@ -260,17 +260,12 @@ struct hashentry
+ 
+ 
+ /* Current persistent database version.  */
+-#define DB_VERSION	2
++#define DB_VERSION	1
+ 
+ /* Maximum time allowed between updates of the timestamp.  */
+ #define MAPPING_TIMEOUT (5 * 60)
+ 
+ 
+-/* Used indices for the EXTRA_DATA element of 'database_pers_head'.
+-   Each database has its own indices.  */
+-#define NSCD_HST_IDX_CONF_TIMESTAMP	0
+-
+-
+ /* Header of persistent database file.  */
+ struct database_pers_head
+ {
+@@ -279,8 +274,6 @@ struct database_pers_head
+   volatile int32_t gc_cycle;
+   volatile int32_t nscd_certainly_running;
+   volatile nscd_time_t timestamp;
+-  /* Room for extensions.  */
+-  volatile uint32_t extra_data[4];
+ 
+   nscd_ssize_t module;
+   nscd_ssize_t data_size;
+@@ -329,12 +322,6 @@ extern int __nscd_open_socket (const char *key, size_t keylen,
+ 			       request_type type, void *response,
+ 			       size_t responselen) attribute_hidden;
+ 
+-/* Try to get a file descriptor for the shared meory segment
+-   containing the database.  */
+-extern struct mapped_database *__nscd_get_mapping (request_type type,
+-						   const char *key,
+-						   struct mapped_database **mappedp) attribute_hidden;
+-
+ /* Get reference of mapping.  */
+ extern struct mapped_database *__nscd_get_map_ref (request_type type,
+ 						   const char *name,
+@@ -384,7 +371,4 @@ extern ssize_t writeall (int fd, const void *buf, size_t len)
+ extern ssize_t sendfileall (int tofd, int fromfd, off_t off, size_t len)
+   attribute_hidden;
+ 
+-/* Get netlink timestamp counter from mapped area or zero.  */
+-extern uint32_t __nscd_get_nl_timestamp (void);
+-
+ #endif /* nscd.h */
+diff --git a/nscd/nscd_gethst_r.c b/nscd/nscd_gethst_r.c
+index 6ee142d..70631fa 100644
+--- a/nscd/nscd_gethst_r.c
++++ b/nscd/nscd_gethst_r.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 1998-2005, 2006, 2007, 2008, 2009, 2011
++/* Copyright (C) 1998-2005, 2006, 2007, 2008, 2009
+    Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
+@@ -98,27 +98,6 @@ libc_freeres_fn (hst_map_free)
+ }
+ 
+ 
+-uint32_t
+-__nscd_get_nl_timestamp (void)
+-{
+-  if (__nss_not_use_nscd_hosts != 0)
+-    return 0;
+-
+-  struct mapped_database *map = __hst_map_handle.mapped;
+-
+-  if (map == NULL
+-      || (map != NO_MAPPING
+-	  && map->head->nscd_certainly_running == 0
+-	  && map->head->timestamp + MAPPING_TIMEOUT < time (NULL)))
+-    map = __nscd_get_mapping (GETFDHST, "hosts", &__hst_map_handle.mapped);
+-
+-  if (map == NO_MAPPING)
+-    return 0;
+-
+-  return map->head->extra_data[NSCD_HST_IDX_CONF_TIMESTAMP];
+-}
+-
+-
+ int __nss_have_localdomain attribute_hidden;
+ 
+ static int
+diff --git a/nscd/nscd_helper.c b/nscd/nscd_helper.c
+index 365b599..fe63f9a 100644
+--- a/nscd/nscd_helper.c
++++ b/nscd/nscd_helper.c
+@@ -277,9 +277,9 @@ __nscd_unmap (struct mapped_database *mapped)
+ 
+ /* Try to get a file descriptor for the shared meory segment
+    containing the database.  */
+-struct mapped_database *
+-__nscd_get_mapping (request_type type, const char *key,
+-		    struct mapped_database **mappedp)
++static struct mapped_database *
++get_mapping (request_type type, const char *key,
++	     struct mapped_database **mappedp)
+ {
+   struct mapped_database *result = NO_MAPPING;
+ #ifdef SCM_RIGHTS
+@@ -449,8 +449,8 @@ __nscd_get_map_ref (request_type type, const char *name,
+ 	  || (cur->head->nscd_certainly_running == 0
+ 	      && cur->head->timestamp + MAPPING_TIMEOUT < time (NULL))
+ 	  || cur->head->data_size > cur->datasize)
+-	cur = __nscd_get_mapping (type, name,
+-				  (struct mapped_database **) &mapptr->mapped);
++	cur = get_mapping (type, name,
++			   (struct mapped_database **) &mapptr->mapped);
+ 
+       if (__builtin_expect (cur != NO_MAPPING, 1))
+ 	{
+diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
+index 1a023f9..4979805 100644
+--- a/sysdeps/posix/getaddrinfo.c
++++ b/sysdeps/posix/getaddrinfo.c
+@@ -2386,7 +2386,7 @@ getaddrinfo (const char *name, const char *service,
+ 	       || (hints->ai_family == PF_INET6 && ! seen_ipv6))
+ 	{
+ 	  /* We cannot possibly return a valid answer.  */
+-	  __free_in6ai (in6ai);
++	  free (in6ai);
+ 	  return EAI_NONAME;
+ 	}
+     }
+@@ -2400,7 +2400,7 @@ getaddrinfo (const char *name, const char *service,
+ 	{
+ 	  if (hints->ai_flags & AI_NUMERICSERV)
+ 	    {
+-	      __free_in6ai (in6ai);
++	      free (in6ai);
+ 	      return EAI_NONAME;
+ 	    }
+ 
+@@ -2422,7 +2422,7 @@ getaddrinfo (const char *name, const char *service,
+       if (last_i != 0)
+ 	{
+ 	  freeaddrinfo (p);
+-	  __free_in6ai (in6ai);
++	  free (in6ai);
+ 
+ 	  return -(last_i & GAIH_EAI);
+ 	}
+@@ -2434,7 +2434,7 @@ getaddrinfo (const char *name, const char *service,
+     }
+   else
+     {
+-      __free_in6ai (in6ai);
++      free (in6ai);
+       return EAI_FAMILY;
+     }
+ 
+@@ -2622,7 +2622,7 @@ getaddrinfo (const char *name, const char *service,
+       p->ai_canonname = canonname;
+     }
+ 
+-  __free_in6ai (in6ai);
++  free (in6ai);
+ 
+   if (p)
+     {
+diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
+index e684b16..c907af4 100644
+--- a/sysdeps/unix/sysv/linux/Makefile
++++ b/sysdeps/unix/sysv/linux/Makefile
+@@ -173,6 +173,6 @@ CFLAGS-mq_receive.c += -fexceptions
+ endif
+ 
+ ifeq ($(subdir),nscd)
+-sysdep-CFLAGS += -DHAVE_EPOLL -DHAVE_SENDFILE -DHAVE_INOTIFY -DHAVE_NETLINK
++sysdep-CFLAGS += -DHAVE_EPOLL -DHAVE_SENDFILE -DHAVE_INOTIFY
+ CFLAGS-gai.c += -DNEED_NETLINK
+ endif
+diff --git a/sysdeps/unix/sysv/linux/check_pf.c b/sysdeps/unix/sysv/linux/check_pf.c
+index 0738a70..d5ad7ea 100644
+--- a/sysdeps/unix/sysv/linux/check_pf.c
++++ b/sysdeps/unix/sysv/linux/check_pf.c
+@@ -1,5 +1,5 @@
+ /* Determine protocol families for which interfaces exist.  Linux version.
+-   Copyright (C) 2003, 2006-2008, 2010, 2011 Free Software Foundation, Inc.
++   Copyright (C) 2003, 2006, 2007, 2008, 2010, 2011 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+ 
+    The GNU C Library is free software; you can redistribute it and/or
+@@ -33,9 +33,6 @@
+ 
+ #include <not-cancel.h>
+ #include <kernel-features.h>
+-#include <bits/libc-lock.h>
+-#include <atomic.h>
+-#include <nscd/nscd-client.h>
+ 
+ 
+ #ifndef IFA_F_HOMEADDRESS
+@@ -46,42 +43,9 @@
+ #endif
+ 
+ 
+-struct cached_data
+-{
+-  uint32_t timestamp;
+-  uint32_t usecnt;
+-  bool seen_ipv4;
+-  bool seen_ipv6;
+-  size_t in6ailen;
+-  struct in6addrinfo in6ai[0];
+-};
+-
+-static struct cached_data noai6ai_cached =
+-  {
+-    .usecnt = 1,	/* Make sure we never try to delete this entry.  */
+-    .in6ailen = 0
+-  };
+-
+-static struct cached_data *cache;
+-__libc_lock_define_initialized (static, lock);
+-
+-
+-#ifdef IS_IN_nscd
+-static uint32_t nl_timestamp;
+-
+-uint32_t
+-__bump_nl_timestamp (void)
+-{
+-  if (atomic_increment_val (&nl_timestamp) == 0)
+-    atomic_increment (&nl_timestamp);
+-
+-  return nl_timestamp;
+-}
+-#endif
+-
+-
+-static struct cached_data *
+-make_request (int fd, pid_t pid)
++static int
++make_request (int fd, pid_t pid, bool *seen_ipv4, bool *seen_ipv6,
++	      struct in6addrinfo **in6ai, size_t *in6ailen)
+ {
+   struct req
+   {
+@@ -135,6 +99,9 @@ make_request (int fd, pid_t pid)
+ 				    sizeof (nladdr))) < 0)
+     goto out_fail;
+ 
++  *seen_ipv4 = false;
++  *seen_ipv6 = false;
++
+   bool done = false;
+   struct in6ailist
+   {
+@@ -142,8 +109,6 @@ make_request (int fd, pid_t pid)
+     struct in6ailist *next;
+   } *in6ailist = NULL;
+   size_t in6ailistlen = 0;
+-  bool seen_ipv4 = false;
+-  bool seen_ipv6 = false;
+ 
+   do
+     {
+@@ -207,12 +172,12 @@ make_request (int fd, pid_t pid)
+ 		    {
+ 		      if (*(const in_addr_t *) address
+ 			  != htonl (INADDR_LOOPBACK))
+-			seen_ipv4 = true;
++			*seen_ipv4 = true;
+ 		    }
+ 		  else
+ 		    {
+ 		      if (!IN6_IS_ADDR_LOOPBACK (address))
+-			seen_ipv6 = true;
++			*seen_ipv6 = true;
+ 		    }
+ 		}
+ 
+@@ -246,47 +211,30 @@ make_request (int fd, pid_t pid)
+     }
+   while (! done);
+ 
+-  struct cached_data *result;
+-  if (seen_ipv6 && in6ailist != NULL)
++  if (*seen_ipv6 && in6ailist != NULL)
+     {
+-      result = malloc (sizeof (*result)
+-		       + in6ailistlen * sizeof (struct in6addrinfo));
+-      if (result == NULL)
++      *in6ai = malloc (in6ailistlen * sizeof (**in6ai));
++      if (*in6ai == NULL)
+ 	goto out_fail;
+ 
+-#ifdef IS_IN_nscd
+-      result->timestamp = nl_timestamp;
+-#else
+-      result->timestamp = __nscd_get_nl_timestamp ();
+-#endif
+-      result->usecnt = 2;
+-      result->seen_ipv4 = seen_ipv4;
+-      result->seen_ipv6 = true;
+-      result->in6ailen = in6ailistlen;
++      *in6ailen = in6ailistlen;
+ 
+       do
+ 	{
+-	  result->in6ai[--in6ailistlen] = in6ailist->info;
++	  (*in6ai)[--in6ailistlen] = in6ailist->info;
+ 	  in6ailist = in6ailist->next;
+ 	}
+       while (in6ailist != NULL);
+     }
+-  else
+-    {
+-      atomic_add (&noai6ai_cached.usecnt, 2);
+-      noai6ai_cached.seen_ipv4 = seen_ipv4;
+-      noai6ai_cached.seen_ipv6 = seen_ipv6;
+-      result = &noai6ai_cached;
+-    }
+ 
+   if (use_malloc)
+     free (buf);
+-  return result;
++  return 0;
+ 
+ out_fail:
+   if (use_malloc)
+     free (buf);
+-  return NULL;
++  return -1;
+ }
+ 
+ 
+@@ -310,65 +258,28 @@ __check_pf (bool *seen_ipv4, bool *seen_ipv6,
+ 
+   if (! __no_netlink_support)
+     {
+-      struct cached_data *olddata = NULL;
+-      struct cached_data *data = NULL;
++      int fd = __socket (PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
+ 
+-      __libc_lock_lock (lock);
+-
+-#ifdef IS_IN_nscd
+-# define cache_valid() nl_timestamp != 0 && cache->timestamp == nl_timestamp
+-#else
+-# define cache_valid() \
+-      ({ uint32_t val = __nscd_get_nl_timestamp ();			      \
+-	 val != 0 && cache->timestamp == val; })
+-#endif
+-      if (cache != NULL && cache_valid ())
+-	{
+-	  data = cache;
+-	  atomic_increment (&cache->usecnt);
+-	}
+-      else
++      if (__builtin_expect (fd >= 0, 1))
+ 	{
+-	  int fd = __socket (PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
++	  struct sockaddr_nl nladdr;
++	  memset (&nladdr, '\0', sizeof (nladdr));
++	  nladdr.nl_family = AF_NETLINK;
+ 
+-	  if (__builtin_expect (fd >= 0, 1))
+-	    {
+-	      struct sockaddr_nl nladdr;
+-	      memset (&nladdr, '\0', sizeof (nladdr));
+-	      nladdr.nl_family = AF_NETLINK;
+-
+-	      socklen_t addr_len = sizeof (nladdr);
+-
+-	      if(__bind (fd, (struct sockaddr *) &nladdr, sizeof (nladdr)) == 0
+-		 && __getsockname (fd, (struct sockaddr *) &nladdr,
+-				   &addr_len) == 0)
+-		data = make_request (fd, nladdr.nl_pid);
+-
+-	      close_not_cancel_no_status (fd);
+-	    }
+-
+-	  if (data != NULL)
+-	    {
+-	      olddata = cache;
+-	      cache = data;
+-	    }
+-	}
++	  socklen_t addr_len = sizeof (nladdr);
+ 
+-      __libc_lock_unlock (lock);
++	  bool success
++	    = (__bind (fd, (struct sockaddr *) &nladdr, sizeof (nladdr)) == 0
++	       && __getsockname (fd, (struct sockaddr *) &nladdr,
++				 &addr_len) == 0
++	       && make_request (fd, nladdr.nl_pid, seen_ipv4, seen_ipv6,
++				in6ai, in6ailen) == 0);
+ 
+-      if (data != NULL)
+-	{
+-	  /* It worked.  */
+-	  *seen_ipv4 = data->seen_ipv4;
+-	  *seen_ipv6 = data->seen_ipv6;
+-	  *in6ailen = data->in6ailen;
+-	  *in6ai = data->in6ai;
+-
+-	  if (olddata != NULL && olddata->usecnt > 0
+-	      && atomic_add_zero (&olddata->usecnt, -1))
+-	    free (olddata);
++	  close_not_cancel_no_status (fd);
+ 
+-	  return;
++	  if (success)
++	    /* It worked.  */
++	    return;
+ 	}
+ 
+ #if __ASSUME_NETLINK_SUPPORT == 0
+@@ -407,26 +318,3 @@ __check_pf (bool *seen_ipv4, bool *seen_ipv6,
+   (void) freeifaddrs (ifa);
+ #endif
+ }
+-
+-
+-void
+-__free_in6ai (struct in6addrinfo *ai)
+-{
+-  if (ai != NULL)
+-    {
+-      struct cached_data *data =
+-	(struct cached_data *) ((char *) ai
+-				- offsetof (struct cached_data, in6ai));
+-
+-      if (atomic_add_zero (&data->usecnt, -1))
+-	{
+-	  __libc_lock_lock (lock);
+-
+-	  if (data->usecnt == 0)
+-	    /* Still unused.  */
+-	    free (data);
+-
+-	  __libc_lock_unlock (lock);
+-	}
+-    }
+-}
diff --git a/testing/glibc/glibc-2.15-rintf-rounding.patch b/testing/glibc/glibc-2.15-rintf-rounding.patch
new file mode 100644
index 000000000..e0240ac6c
--- /dev/null
+++ b/testing/glibc/glibc-2.15-rintf-rounding.patch
@@ -0,0 +1,158 @@
+diff --git a/math/libm-test.inc b/math/libm-test.inc
+index 6243e1e..c8186c8 100644
+--- a/math/libm-test.inc
++++ b/math/libm-test.inc
+@@ -5037,6 +5037,22 @@ rint_test (void)
+   TEST_f_f (rint, 262142.75, 262143.0);
+   TEST_f_f (rint, 524286.75, 524287.0);
+   TEST_f_f (rint, 524288.75, 524289.0);
++  TEST_f_f (rint, 1048576.75, 1048577.0);
++  TEST_f_f (rint, 2097152.75, 2097153.0);
++  TEST_f_f (rint, -1048576.75, -1048577.0);
++  TEST_f_f (rint, -2097152.75, -2097153.0);
++#ifndef TEST_FLOAT
++  TEST_f_f (rint, 70368744177664.75, 70368744177665.0);
++  TEST_f_f (rint, 140737488355328.75, 140737488355329.0);
++  TEST_f_f (rint, 281474976710656.75, 281474976710657.0);
++  TEST_f_f (rint, 562949953421312.75, 562949953421313.0);
++  TEST_f_f (rint, 1125899906842624.75, 1125899906842625.0);
++  TEST_f_f (rint, -70368744177664.75, -70368744177665.0);
++  TEST_f_f (rint, -140737488355328.75, -140737488355329.0);
++  TEST_f_f (rint, -281474976710656.75, -281474976710657.0);
++  TEST_f_f (rint, -562949953421312.75, -562949953421313.0);
++  TEST_f_f (rint, -1125899906842624.75, -1125899906842625.0);
++#endif
+ #ifdef TEST_LDOUBLE
+   /* The result can only be represented in long double.  */
+   TEST_f_f (rint, 4503599627370495.5L, 4503599627370496.0L);
+@@ -5137,6 +5153,22 @@ rint_test_tonearest (void)
+       TEST_f_f (rint, -0.1, -0.0);
+       TEST_f_f (rint, -0.25, -0.0);
+       TEST_f_f (rint, -0.625, -1.0);
++      TEST_f_f (rint, 1048576.75, 1048577.0);
++      TEST_f_f (rint, 2097152.75, 2097153.0);
++      TEST_f_f (rint, -1048576.75, -1048577.0);
++      TEST_f_f (rint, -2097152.75, -2097153.0);
++#ifndef TEST_FLOAT
++      TEST_f_f (rint, 70368744177664.75, 70368744177665.0);
++      TEST_f_f (rint, 140737488355328.75, 140737488355329.0);
++      TEST_f_f (rint, 281474976710656.75, 281474976710657.0);
++      TEST_f_f (rint, 562949953421312.75, 562949953421313.0);
++      TEST_f_f (rint, 1125899906842624.75, 1125899906842625.0);
++      TEST_f_f (rint, -70368744177664.75, -70368744177665.0);
++      TEST_f_f (rint, -140737488355328.75, -140737488355329.0);
++      TEST_f_f (rint, -281474976710656.75, -281474976710657.0);
++      TEST_f_f (rint, -562949953421312.75, -562949953421313.0);
++      TEST_f_f (rint, -1125899906842624.75, -1125899906842625.0);
++#endif
+ #ifdef TEST_LDOUBLE
+       /* The result can only be represented in long double.  */
+       TEST_f_f (rint, 4503599627370495.5L, 4503599627370496.0L);
+@@ -5207,6 +5239,22 @@ rint_test_towardzero (void)
+       TEST_f_f (rint, -0.1, -0.0);
+       TEST_f_f (rint, -0.25, -0.0);
+       TEST_f_f (rint, -0.625, -0.0);
++      TEST_f_f (rint, 1048576.75, 1048576.0);
++      TEST_f_f (rint, 2097152.75, 2097152.0);
++      TEST_f_f (rint, -1048576.75, -1048576.0);
++      TEST_f_f (rint, -2097152.75, -2097152.0);
++#ifndef TEST_FLOAT
++      TEST_f_f (rint, 70368744177664.75, 70368744177664.0);
++      TEST_f_f (rint, 140737488355328.75, 140737488355328.0);
++      TEST_f_f (rint, 281474976710656.75, 281474976710656.0);
++      TEST_f_f (rint, 562949953421312.75, 562949953421312.0);
++      TEST_f_f (rint, 1125899906842624.75, 1125899906842624.0);
++      TEST_f_f (rint, -70368744177664.75, -70368744177664.0);
++      TEST_f_f (rint, -140737488355328.75, -140737488355328.0);
++      TEST_f_f (rint, -281474976710656.75, -281474976710656.0);
++      TEST_f_f (rint, -562949953421312.75, -562949953421312.0);
++      TEST_f_f (rint, -1125899906842624.75, -1125899906842624.0);
++#endif
+ #ifdef TEST_LDOUBLE
+       /* The result can only be represented in long double.  */
+       TEST_f_f (rint, 4503599627370495.5L, 4503599627370495.0L);
+@@ -5277,6 +5325,22 @@ rint_test_downward (void)
+       TEST_f_f (rint, -0.1, -1.0);
+       TEST_f_f (rint, -0.25, -1.0);
+       TEST_f_f (rint, -0.625, -1.0);
++      TEST_f_f (rint, 1048576.75, 1048576.0);
++      TEST_f_f (rint, 2097152.75, 2097152.0);
++      TEST_f_f (rint, -1048576.75, -1048577.0);
++      TEST_f_f (rint, -2097152.75, -2097153.0);
++#ifndef TEST_FLOAT
++      TEST_f_f (rint, 70368744177664.75, 70368744177664.0);
++      TEST_f_f (rint, 140737488355328.75, 140737488355328.0);
++      TEST_f_f (rint, 281474976710656.75, 281474976710656.0);
++      TEST_f_f (rint, 562949953421312.75, 562949953421312.0);
++      TEST_f_f (rint, 1125899906842624.75, 1125899906842624.0);
++      TEST_f_f (rint, -70368744177664.75, -70368744177665.0);
++      TEST_f_f (rint, -140737488355328.75, -140737488355329.0);
++      TEST_f_f (rint, -281474976710656.75, -281474976710657.0);
++      TEST_f_f (rint, -562949953421312.75, -562949953421313.0);
++      TEST_f_f (rint, -1125899906842624.75, -1125899906842625.0);
++#endif
+ #ifdef TEST_LDOUBLE
+       /* The result can only be represented in long double.  */
+       TEST_f_f (rint, 4503599627370495.5L, 4503599627370495.0L);
+@@ -5347,6 +5411,22 @@ rint_test_upward (void)
+       TEST_f_f (rint, -0.1, -0.0);
+       TEST_f_f (rint, -0.25, -0.0);
+       TEST_f_f (rint, -0.625, -0.0);
++      TEST_f_f (rint, 1048576.75, 1048577.0);
++      TEST_f_f (rint, 2097152.75, 2097153.0);
++      TEST_f_f (rint, -1048576.75, -1048576.0);
++      TEST_f_f (rint, -2097152.75, -2097152.0);
++#ifndef TEST_FLOAT
++      TEST_f_f (rint, 70368744177664.75, 70368744177665.0);
++      TEST_f_f (rint, 140737488355328.75, 140737488355329.0);
++      TEST_f_f (rint, 281474976710656.75, 281474976710657.0);
++      TEST_f_f (rint, 562949953421312.75, 562949953421313.0);
++      TEST_f_f (rint, 1125899906842624.75, 1125899906842625.0);
++      TEST_f_f (rint, -70368744177664.75, -70368744177664.0);
++      TEST_f_f (rint, -140737488355328.75, -140737488355328.0);
++      TEST_f_f (rint, -281474976710656.75, -281474976710656.0);
++      TEST_f_f (rint, -562949953421312.75, -562949953421312.0);
++      TEST_f_f (rint, -1125899906842624.75, -1125899906842624.0);
++#endif
+ #ifdef TEST_LDOUBLE
+       /* The result can only be represented in long double.  */
+       TEST_f_f (rint, 4503599627370495.5L, 4503599627370496.0L);
+diff --git a/sysdeps/ieee754/flt-32/s_rintf.c b/sysdeps/ieee754/flt-32/s_rintf.c
+index 9ea9b6f..9ba6b57 100644
+--- a/sysdeps/ieee754/flt-32/s_rintf.c
++++ b/sysdeps/ieee754/flt-32/s_rintf.c
+@@ -26,34 +26,22 @@ float
+ __rintf(float x)
+ {
+ 	int32_t i0,j0,sx;
+-	u_int32_t i,i1;
+ 	float w,t;
+ 	GET_FLOAT_WORD(i0,x);
+ 	sx = (i0>>31)&1;
+ 	j0 = ((i0>>23)&0xff)-0x7f;
+ 	if(j0<23) {
+ 	    if(j0<0) {
+-		if((i0&0x7fffffff)==0) return x;
+-		i1 = (i0&0x07fffff);
+-		i0 &= 0xfff00000;
+-		i0 |= ((i1|-i1)>>9)&0x400000;
+-		SET_FLOAT_WORD(x,i0);
+ 		w = TWO23[sx]+x;
+ 		t =  w-TWO23[sx];
+ 		GET_FLOAT_WORD(i0,t);
+ 		SET_FLOAT_WORD(t,(i0&0x7fffffff)|(sx<<31));
+ 		return t;
+-	    } else {
+-		i = (0x007fffff)>>j0;
+-		if((i0&i)==0) return x; /* x is integral */
+-		i>>=1;
+-		if((i0&i)!=0) i0 = (i0&(~i))|((0x100000)>>j0);
+ 	    }
+ 	} else {
+ 	    if(j0==0x80) return x+x;	/* inf or NaN */
+ 	    else return x;		/* x is integral */
+ 	}
+-	SET_FLOAT_WORD(x,i0);
+ 	w = TWO23[sx]+x;
+ 	return w-TWO23[sx];
+ }
diff --git a/testing/glibc/glibc-2.15-scanf.patch b/testing/glibc/glibc-2.15-scanf.patch
new file mode 100644
index 000000000..a2561b232
--- /dev/null
+++ b/testing/glibc/glibc-2.15-scanf.patch
@@ -0,0 +1,19 @@
+diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c
+index 0e71deb..e18a6c3 100644
+--- a/stdio-common/vfscanf.c
++++ b/stdio-common/vfscanf.c
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 1991-2006, 2007, 2010, 2011 Free Software Foundation, Inc.
++/* Copyright (C) 1991-2007, 2010, 2011, 2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+ 
+    The GNU C Library is free software; you can redistribute it and/or
+@@ -274,7 +274,7 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr,
+ 	  CHAR_T *old = wp;						    \
+ 	  size_t newsize = (UCHAR_MAX + 1 > 2 * wpmax			    \
+ 			    ? UCHAR_MAX + 1 : 2 * wpmax);		    \
+-	  if (use_malloc || __libc_use_alloca (newsize))		    \
++	  if (use_malloc || !__libc_use_alloca (newsize))		    \
+ 	    {								    \
+ 	      wp = realloc (use_malloc ? wp : NULL, newsize);		    \
+ 	      if (wp == NULL)						    \
diff --git a/testing/glibc/glibc-2.15-strcasecmp-disable-avx.patch b/testing/glibc/glibc-2.15-strcasecmp-disable-avx.patch
new file mode 100644
index 000000000..4c104fa55
--- /dev/null
+++ b/testing/glibc/glibc-2.15-strcasecmp-disable-avx.patch
@@ -0,0 +1,48 @@
+diff --git a/sysdeps/x86_64/multiarch/strcmp.S b/sysdeps/x86_64/multiarch/strcmp.S
+index f93c83d..d8aa889 100644
+--- a/sysdeps/x86_64/multiarch/strcmp.S
++++ b/sysdeps/x86_64/multiarch/strcmp.S
+@@ -105,11 +105,6 @@ ENTRY(__strcasecmp)
+	jne	1f
+	call	__init_cpu_features
+ 1:
+-#  ifdef HAVE_AVX_SUPPORT
+-	leaq	__strcasecmp_avx(%rip), %rax
+-	testl	$bit_AVX, __cpu_features+CPUID_OFFSET+index_AVX(%rip)
+-	jnz	2f
+-#  endif
+	leaq	__strcasecmp_sse42(%rip), %rax
+	testl	$bit_SSE4_2, __cpu_features+CPUID_OFFSET+index_SSE4_2(%rip)
+	jnz	2f
+@@ -128,11 +123,6 @@ ENTRY(__strncasecmp)
+	jne	1f
+	call	__init_cpu_features
+ 1:
+-#  ifdef HAVE_AVX_SUPPORT
+-	leaq	__strncasecmp_avx(%rip), %rax
+-	testl	$bit_AVX, __cpu_features+CPUID_OFFSET+index_AVX(%rip)
+-	jnz	2f
+-#  endif
+	leaq	__strncasecmp_sse42(%rip), %rax
+	testl	$bit_SSE4_2, __cpu_features+CPUID_OFFSET+index_SSE4_2(%rip)
+	jnz	2f
+@@ -152,19 +142,6 @@ weak_alias (__strncasecmp, strncasecmp)
+ # include "strcmp-sse42.S"
+
+
+-# ifdef HAVE_AVX_SUPPORT
+-#  if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
+-#   define LABEL(l) .L##l##_avx
+-#   define GLABEL(l) l##_avx
+-#   define USE_AVX 1
+-#   undef STRCMP_SSE42
+-#   define STRCMP_SSE42 STRCMP_AVX
+-#   define SECTION avx
+-#   include "strcmp-sse42.S"
+-#  endif
+-# endif
+-
+-
+ # undef ENTRY
+ # define ENTRY(name) \
+	.type STRCMP_SSE2, @function; \
diff --git a/testing/glibc/glibc-2.15-testsuite.patch b/testing/glibc/glibc-2.15-testsuite.patch
new file mode 100644
index 000000000..7eaeaed65
--- /dev/null
+++ b/testing/glibc/glibc-2.15-testsuite.patch
@@ -0,0 +1,110 @@
+From d4c2917fc5091dae7ab1b30c165becb70d3c3453 Mon Sep 17 00:00:00 2001
+From: Allan McRae <allan@archlinux.org>
+Date: Mon, 16 Apr 2012 14:06:47 +1000
+Subject: [PATCH] Fix test-suite failues with -Wl,--as-needed
+
+Signed-off-by: Allan McRae <allan@archlinux.org>
+---
+ ChangeLog       |   24 ++++++++++++++++++++++++
+ elf/Makefile    |   21 ++++++++++++++++++++-
+ nptl/ChangeLog  |    5 +++++
+ nptl/Makefile   |    3 ++-
+ stdlib/Makefile |    1 +
+ 5 files changed, 52 insertions(+), 2 deletions(-)
+
+diff --git a/elf/Makefile b/elf/Makefile
+index 57dcab0..47729c3 100644
+--- a/elf/Makefile
++++ b/elf/Makefile
+@@ -500,6 +500,18 @@ $(objpfx)tst-initordera3.so: $(objpfx)tst-initorderb2.so $(objpfx)tst-initorderb
+ $(objpfx)tst-initordera4.so: $(objpfx)tst-initordera3.so
+ $(objpfx)tst-initorder: $(objpfx)tst-initordera4.so $(objpfx)tst-initordera1.so $(objpfx)tst-initorderb2.so
+ 
++LDFLAGS-nodel2mod3.so = $(no-as-needed)
++LDFLAGS-reldepmod5.so = $(no-as-needed)
++LDFLAGS-reldep6mod1.so = $(no-as-needed)
++LDFLAGS-reldep6mod4.so = $(no-as-needed)
++LDFLAGS-reldep8mod3.so = $(no-as-needed)
++LDFLAGS-unload4mod1.so = $(no-as-needed)
++LDFLAGS-unload4mod2.so = $(no-as-needed)
++LDFLAGS-tst-initorder = $(no-as-needed)
++LDFLAGS-tst-initordera2.so = $(no-as-needed)
++LDFLAGS-tst-initordera3.so = $(no-as-needed)
++LDFLAGS-tst-initordera4.so = $(no-as-needed)
++LDFLAGS-tst-initorderb2.so = $(no-as-needed)
+ LDFLAGS-tst-tlsmod5.so = -nostdlib
+ LDFLAGS-tst-tlsmod6.so = -nostdlib
+ 
+@@ -633,7 +645,7 @@ $(objpfx)vismain.out: $(addprefix $(objpfx),vismod3.so)
+ vismain-ENV = LD_PRELOAD=$(addprefix $(objpfx),vismod3.so)
+ 
+ $(objpfx)noload: $(objpfx)testobj1.so $(common-objpfx)dlfcn/libdl.so
+-LDFLAGS-noload = -rdynamic
++LDFLAGS-noload = -rdynamic $(no-as-needed)
+ $(objpfx)noload.out: $(objpfx)testobj5.so
+ 
+ $(objpfx)noload-mem: $(objpfx)noload.out
+@@ -678,6 +690,7 @@ $(objpfx)reldep4: $(libdl)
+ $(objpfx)reldep4.out: $(objpfx)reldep4mod1.so $(objpfx)reldep4mod2.so
+ 
+ $(objpfx)next: $(objpfx)nextmod1.so $(objpfx)nextmod2.so $(libdl)
++LDFLAGS-next = $(no-as-needed)
+ 
+ $(objpfx)unload2: $(libdl)
+ $(objpfx)unload2.out: $(objpfx)unload2mod.so $(objpfx)unload2dep.so
+@@ -1025,6 +1038,8 @@ $(objpfx)order2mod1.so: $(objpfx)order2mod4.so
+ $(objpfx)order2mod4.so: $(objpfx)order2mod3.so
+ $(objpfx)order2mod2.so: $(objpfx)order2mod3.so
+ order2mod2.so-no-z-defs = yes
++LDFLAGS-order2mod1.so = $(no-as-needed)
++LDFLAGS-order2mod2.so = $(no-as-needed)
+ 
+ tst-stackguard1-ARGS = --command "$(built-program-cmd) --child"
+ tst-stackguard1-static-ARGS = --command "$(objpfx)tst-stackguard1-static --child"
+@@ -1113,6 +1128,10 @@ $(objpfx)tst-initorder2: $(objpfx)tst-initorder2a.so $(objpfx)tst-initorder2d.so
+ $(objpfx)tst-initorder2a.so: $(objpfx)tst-initorder2b.so
+ $(objpfx)tst-initorder2b.so: $(objpfx)tst-initorder2c.so
+ $(objpfx)tst-initorder2c.so: $(objpfx)tst-initorder2d.so
++LDFLAGS-tst-initorder2 = $(no-as-needed)
++LDFLAGS-tst-initorder2a.so = $(no-as-needed)
++LDFLAGS-tst-initorder2b.so = $(no-as-needed)
++LDFLAGS-tst-initorder2c.so = $(no-as-needed)
+ define o-iterator-doit
+ $(objpfx)tst-initorder2$o.os: tst-initorder2.c; \
+ $$(compile-command.c) -DNAME=\"$o\"
+diff --git a/nptl/Makefile b/nptl/Makefile
+index 09acd8a..07a1022 100644
+--- a/nptl/Makefile
++++ b/nptl/Makefile
+@@ -458,6 +458,7 @@ $(objpfx)tst-tls4: $(libdl) $(shared-thread-library)
+ $(objpfx)tst-tls4.out: $(objpfx)tst-tls4moda.so $(objpfx)tst-tls4modb.so
+ 
+ $(objpfx)tst-tls5: $(objpfx)tst-tls5mod.so $(shared-thread-library)
++LDFLAGS-tst-tls5 = $(no-as-needed)
+ LDFLAGS-tst-tls5mod.so = -Wl,-soname,tst-tls5mod.so
+ 
+ ifeq ($(build-shared),yes)
+@@ -503,7 +504,7 @@ $(objpfx)tst-clock2: $(common-objpfx)rt/librt.a
+ $(objpfx)tst-rwlock14: $(common-objpfx)rt/librt.a
+ endif
+ 
+-LDFLAGS-tst-cancel24 = -lstdc++
++LDFLAGS-tst-cancel24 = $(no-as-needed) -lstdc++
+ 
+ extra-B-pthread.so = -B$(common-objpfx)nptl/
+ $(objpfx)libpthread.so: $(addprefix $(objpfx),$(crti-objs) $(crtn-objs))
+diff --git a/stdlib/Makefile b/stdlib/Makefile
+index 44eb20d..f7811c5 100644
+--- a/stdlib/Makefile
++++ b/stdlib/Makefile
+@@ -138,6 +138,7 @@ $(objpfx)tst-fmtmsg.out: tst-fmtmsg.sh $(objpfx)tst-fmtmsg
+ 	$(SHELL) -e $< $(common-objpfx) '$(run-program-prefix)' $(common-objpfx)stdlib/
+ 
+ $(objpfx)tst-putenv: $(objpfx)tst-putenvmod.so
++LDFLAGS-tst-putenv = $(no-as-needed)
+ 
+ $(objpfx)tst-putenvmod.so: $(objpfx)tst-putenvmod.os
+ 	$(build-module)
+-- 
+1.7.3.4
+
diff --git a/testing/glibc/glibc-2.15-vdso.patch b/testing/glibc/glibc-2.15-vdso.patch
new file mode 100644
index 000000000..7fd394f90
--- /dev/null
+++ b/testing/glibc/glibc-2.15-vdso.patch
@@ -0,0 +1,40 @@
+diff --git a/elf/Makefile b/elf/Makefile
+index 8234ba7..25ffc57 100644
+--- a/elf/Makefile
++++ b/elf/Makefile
+@@ -1203,3 +1203,14 @@ $(objpfx)tst-relsort1mod1.so: $(libm) $(objpfx)tst-relsort1mod2.so
+ $(objpfx)tst-relsort1mod2.so: $(libm)
+ $(objpfx)tst-relsort1.out: $(objpfx)tst-relsort1mod1.so \
+ 			   $(objpfx)tst-relsort1mod2.so
++
++tests: $(objpfx)tst-unused-dep.out
++
++$(objpfx)tst-unused-dep.out: $(objpfx)testobj1.so
++	LD_TRACE_LOADED_OBJECTS=1 \
++	LD_DEBUG=unused \
++	LD_PRELOAD= \
++	$(elf-objpfx)${rtld-installed-name} \
++	  --library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
++	  $< > $@
++	cmp $@ /dev/null > /dev/null
+diff --git a/elf/rtld.c b/elf/rtld.c
+index 2e4f97f..3e15447 100644
+--- a/elf/rtld.c
++++ b/elf/rtld.c
+@@ -1,5 +1,5 @@
+ /* Run time dynamic linker.
+-   Copyright (C) 1995-2010, 2011 Free Software Foundation, Inc.
++   Copyright (C) 1995-2012 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+ 
+    The GNU C Library is free software; you can redistribute it and/or
+@@ -1375,6 +1375,9 @@ of this helper program; chances are you did not intend to run this program.\n\
+ 	  _dl_setup_hash (l);
+ 	  l->l_relocated = 1;
+ 
++	  /* The vDSO is always used.  */
++	  l->l_used = 1;
++
+ 	  /* Initialize l_local_scope to contain just this map.  This allows
+ 	     the use of dl_lookup_symbol_x to resolve symbols within the vdso.
+ 	     So we create a single entry list pointing to l_real as its only
diff --git a/testing/glibc/glibc-2.15-vfprintf-nargs.patch b/testing/glibc/glibc-2.15-vfprintf-nargs.patch
new file mode 100644
index 000000000..f8dde53f5
--- /dev/null
+++ b/testing/glibc/glibc-2.15-vfprintf-nargs.patch
@@ -0,0 +1,180 @@
+diff --git a/stdio-common/Makefile b/stdio-common/Makefile
+index a847b28..080badc 100644
+--- a/stdio-common/Makefile
++++ b/stdio-common/Makefile
+@@ -59,7 +59,8 @@ tests := tstscanf test_rdwr test-popen tstgetln test-fseek \
+ 	 tst-popen tst-unlockedio tst-fmemopen2 tst-put-error tst-fgets \
+ 	 tst-fwrite bug16 bug17 tst-swscanf tst-sprintf2 bug18 bug18a \
+ 	 bug19 bug19a tst-popen2 scanf13 scanf14 scanf15 bug20 bug21 bug22 \
+-	 scanf16 scanf17 tst-setvbuf1 tst-grouping bug23 bug24
++	 scanf16 scanf17 tst-setvbuf1 tst-grouping bug23 bug24 \
++	 bug-vfprintf-nargs
+ 
+ test-srcs = tst-unbputc tst-printf
+ 
+diff --git a/stdio-common/bug-vfprintf-nargs.c b/stdio-common/bug-vfprintf-nargs.c
+new file mode 100644
+index 0000000..13c66c0
+--- /dev/null
++++ b/stdio-common/bug-vfprintf-nargs.c
+@@ -0,0 +1,78 @@
++/* Test for vfprintf nargs allocation overflow (BZ #13656).
++   Copyright (C) 2012 Free Software Foundation, Inc.
++   This file is part of the GNU C Library.
++   Contributed by Kees Cook <keescook@chromium.org>, 2012.
++
++   The GNU C Library is free software; you can redistribute it and/or
++   modify it under the terms of the GNU Lesser General Public
++   License as published by the Free Software Foundation; either
++   version 2.1 of the License, or (at your option) any later version.
++
++   The GNU C Library is distributed in the hope that it will be useful,
++   but WITHOUT ANY WARRANTY; without even the implied warranty of
++   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
++   Lesser General Public License for more details.
++
++   You should have received a copy of the GNU Lesser General Public
++   License along with the GNU C Library; if not, write to the Free
++   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
++   02111-1307 USA.  */
++
++#include <stdio.h>
++#include <stdlib.h>
++#include <stdint.h>
++#include <unistd.h>
++#include <inttypes.h>
++#include <string.h>
++#include <signal.h>
++
++static int
++format_failed (const char *fmt, const char *expected)
++{
++  char output[80];
++
++  printf ("%s : ", fmt);
++
++  memset (output, 0, sizeof output);
++  /* Having sprintf itself detect a failure is good.  */
++  if (sprintf (output, fmt, 1, 2, 3, "test") > 0
++      && strcmp (output, expected) != 0)
++    {
++      printf ("FAIL (output '%s' != expected '%s')\n", output, expected);
++      return 1;
++    }
++  puts ("ok");
++  return 0;
++}
++
++static int
++do_test (void)
++{
++  int rc = 0;
++  char buf[64];
++
++  /* Regular positionals work.  */
++  if (format_failed ("%1$d", "1") != 0)
++    rc = 1;
++
++  /* Regular width positionals work.  */
++  if (format_failed ("%1$*2$d", " 1") != 0)
++    rc = 1;
++
++  /* Positional arguments are constructed via read_int, so nargs can only
++     overflow on 32-bit systems.  On 64-bit systems, it will attempt to
++     allocate a giant amount of memory and possibly crash, which is the
++     expected situation.  Since the 64-bit behavior is arch-specific, only
++     test this on 32-bit systems.  */
++  if (sizeof (long int) == 4)
++    {
++      sprintf (buf, "%%1$d %%%" PRIdPTR "$d", UINT32_MAX / sizeof (int));
++      if (format_failed (buf, "1 %$d") != 0)
++        rc = 1;
++    }
++
++  return rc;
++}
++
++#define TEST_FUNCTION do_test ()
++#include "../test-skeleton.c"
+diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c
+index 863cd5d..c802e46 100644
+--- a/stdio-common/vfprintf.c
++++ b/stdio-common/vfprintf.c
+@@ -235,6 +235,9 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap)
+      0 if unknown.  */
+   int readonly_format = 0;
+ 
++  /* For the argument descriptions, which may be allocated on the heap.  */
++  void *args_malloced = NULL;
++
+   /* This table maps a character into a number representing a
+      class.  In each step there is a destination label for each
+      class.  */
+@@ -1647,9 +1650,10 @@ do_positional:
+        determine the size of the array needed to store the argument
+        attributes.  */
+     size_t nargs = 0;
+-    int *args_type;
+-    union printf_arg *args_value = NULL;
++    size_t bytes_per_arg;
++    union printf_arg *args_value;
+     int *args_size;
++    int *args_type;
+ 
+     /* Positional parameters refer to arguments directly.  This could
+        also determine the maximum number of arguments.  Track the
+@@ -1698,13 +1702,38 @@ do_positional:
+ 
+     /* Determine the number of arguments the format string consumes.  */
+     nargs = MAX (nargs, max_ref_arg);
++    /* Calculate total size needed to represent a single argument across
++       all three argument-related arrays.  */
++    bytes_per_arg = sizeof (*args_value) + sizeof (*args_size)
++                    + sizeof (*args_type);
++
++    /* Check for potential integer overflow.  */
++    if (__builtin_expect (nargs > SIZE_MAX / bytes_per_arg, 0))
++      {
++         __set_errno (ERANGE);
++         done = -1;
++         goto all_done;
++      }
+ 
+-    /* Allocate memory for the argument descriptions.  */
+-    args_type = alloca (nargs * sizeof (int));
++    /* Allocate memory for all three argument arrays.  */
++    if (__libc_use_alloca (nargs * bytes_per_arg))
++        args_value = alloca (nargs * bytes_per_arg);
++    else
++      {
++        args_value = args_malloced = malloc (nargs * bytes_per_arg);
++        if (args_value == NULL)
++          {
++            done = -1;
++            goto all_done;
++          }
++      }
++
++    /* Set up the remaining two arrays to each point past the end of the
++       prior array, since space for all three has been allocated now.  */
++    args_size = &args_value[nargs].pa_int;
++    args_type = &args_size[nargs];
+     memset (args_type, s->_flags2 & _IO_FLAGS2_FORTIFY ? '\xff' : '\0',
+-	    nargs * sizeof (int));
+-    args_value = alloca (nargs * sizeof (union printf_arg));
+-    args_size = alloca (nargs * sizeof (int));
++	    nargs * sizeof (*args_type));
+ 
+     /* XXX Could do sanity check here: If any element in ARGS_TYPE is
+        still zero after this loop, format is invalid.  For now we
+@@ -1973,8 +2002,8 @@ do_positional:
+   }
+ 
+ all_done:
+-  if (__builtin_expect (workstart != NULL, 0))
+-    free (workstart);
++  free (args_malloced);
++  free (workstart);
+   /* Unlock the stream.  */
+   _IO_funlockfile (s);
+   _IO_cleanup_region_end (0);
diff --git a/testing/glibc/glibc-__i686.patch b/testing/glibc/glibc-__i686.patch
new file mode 100644
index 000000000..16f84c536
--- /dev/null
+++ b/testing/glibc/glibc-__i686.patch
@@ -0,0 +1,31 @@
+diff --git a/nptl/sysdeps/pthread/pt-initfini.c b/nptl/sysdeps/pthread/pt-initfini.c
+index 9c00dc0..f5d4df8 100644
+--- a/nptl/sysdeps/pthread/pt-initfini.c
++++ b/nptl/sysdeps/pthread/pt-initfini.c
+@@ -45,6 +45,11 @@
+ /* Embed an #include to pull in the alignment and .end directives. */
+ asm ("\n#include \"defs.h\"");
+
++asm ("\n#if defined __i686 && defined __ASSEMBLER__");
++asm ("\n#undef __i686");
++asm ("\n#define __i686 __i686");
++asm ("\n#endif");
++
+ /* The initial common code ends here. */
+ asm ("\n/*@HEADER_ENDS*/");
+
+diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
+index 64ef400..726b1df 100644
+--- a/sysdeps/unix/sysv/linux/i386/sysdep.h
++++ b/sysdeps/unix/sysv/linux/i386/sysdep.h
+@@ -29,6 +29,10 @@
+ #include <dl-sysdep.h>
+ #include <tls.h>
+
++#if defined __i686 && defined __ASSEMBLER__
++#undef __i686
++#define __i686 __i686
++#endif
+
+ /* For Linux we can use the system call table in the header file
+        /usr/include/asm/unistd.h
diff --git a/testing/glibc/glibc.install b/testing/glibc/glibc.install
new file mode 100644
index 000000000..7f85ade96
--- /dev/null
+++ b/testing/glibc/glibc.install
@@ -0,0 +1,20 @@
+infodir=usr/share/info
+filelist=(libc.info{,-1,-2,-3,-4,-5,-6,-7,-8,-9,-10,-11})
+
+post_upgrade() {
+  sbin/ldconfig -r .
+  [ -x sbin/init ] && sbin/init u
+  usr/sbin/locale-gen
+  
+  [ -x usr/bin/install-info ] || return 0
+  for file in ${filelist[@]}; do
+    usr/bin/install-info $infodir/$file.gz $infodir/dir 2> /dev/null
+  done
+}
+
+pre_remove() {
+  [ -x usr/bin/install-info ] || return 0
+  for file in ${filelist[@]}; do
+    usr/bin/install-info --delete $infodir/$file.gz $infodir/dir 2> /dev/null
+  done
+}
diff --git a/testing/glibc/locale-gen b/testing/glibc/locale-gen
new file mode 100755
index 000000000..5aff344c4
--- /dev/null
+++ b/testing/glibc/locale-gen
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+set -e
+
+LOCALEGEN=/etc/locale.gen
+LOCALES=/usr/share/i18n/locales
+if [ -n "$POSIXLY_CORRECT" ]; then
+  unset POSIXLY_CORRECT
+fi
+
+
+[ -f $LOCALEGEN -a -s $LOCALEGEN ] || exit 0;
+
+# Remove all old locale dir and locale-archive before generating new
+# locale data.
+rm -rf /usr/lib/locale/* || true
+
+umask 022
+
+is_entry_ok() {
+  if [ -n "$locale" -a -n "$charset" ] ; then
+    true
+  else
+    echo "error: Bad entry '$locale $charset'"
+    false
+  fi
+}
+
+echo "Generating locales..."
+while read locale charset; do \
+	case $locale in \#*) continue;; "") continue;; esac; \
+	is_entry_ok || continue
+	echo -n "  `echo $locale | sed 's/\([^.\@]*\).*/\1/'`"; \
+	echo -n ".$charset"; \
+	echo -n `echo $locale | sed 's/\([^\@]*\)\(\@.*\)*/\2/'`; \
+	echo -n '...'; \
+        if [ -f $LOCALES/$locale ]; then input=$locale; else \
+        input=`echo $locale | sed 's/\([^.]*\)[^@]*\(.*\)/\1\2/'`; fi; \
+	localedef -i $input -c -f $charset -A /usr/share/locale/locale.alias $locale; \
+	echo ' done'; \
+done < $LOCALEGEN
+echo "Generation complete."
diff --git a/testing/glibc/locale.gen.txt b/testing/glibc/locale.gen.txt
new file mode 100644
index 000000000..ccdd81734
--- /dev/null
+++ b/testing/glibc/locale.gen.txt
@@ -0,0 +1,23 @@
+# Configuration file for locale-gen
+#
+# lists of locales that are to be generated by the locale-gen command.
+#
+# Each line is of the form:
+#
+#     <locale> <charset>
+#
+#  where <locale> is one of the locales given in /usr/share/i18n/locales
+#  and <charset> is one of the character sets listed in /usr/share/i18n/charmaps
+#
+#  Examples:
+#  en_US ISO-8859-1
+#  en_US.UTF-8 UTF-8
+#  de_DE ISO-8859-1
+#  de_DE@euro ISO-8859-15
+#
+#  The locale-gen command will generate all the locales,
+#  placing them in /usr/lib/locale.
+#
+#  A list of supported locales is included in this file.
+#  Uncomment the ones you need.
+#
diff --git a/testing/glibc/nscd b/testing/glibc/nscd
new file mode 100755
index 000000000..8b14f2a3f
--- /dev/null
+++ b/testing/glibc/nscd
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+. /etc/rc.conf
+. /etc/rc.d/functions
+
+PID=`pidof -o %PPID /usr/sbin/nscd`
+case "$1" in
+  start)
+    stat_busy "Starting nscd"
+    # create necessary directories if they don't already exist
+    mkdir -p /var/run/nscd /var/db/nscd 2>/dev/null
+    # remove stale files
+    rm -f /var/db/nscd/* /var/run/nscd/* 2>/dev/null
+    [ -z "$PID" ] && /usr/sbin/nscd
+    if [ $? -gt 0 ]; then
+      stat_fail
+    else
+      add_daemon nscd
+      stat_done
+    fi
+    ;;
+  stop)
+    stat_busy "Stopping nscd"
+    [ ! -z "$PID" ]  && kill $PID &> /dev/null
+    if [ $? -gt 0 ]; then
+      stat_fail
+    else
+      rm_daemon nscd
+      stat_done
+    fi
+    ;;
+  restart)
+    $0 stop
+    sleep 1
+    $0 start
+    ;;
+  *)
+    echo "usage: $0 {start|stop|restart}"  
+esac
+exit 0