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# $Id: PKGBUILD 197798 2013-10-30 10:37:54Z 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

# NOTE: adjust version in install script when locale files are updated

pkgname=glibc-static
pkgver=2.18
pkgrel=1
pkgdesc="GNU C Library"
arch=('i686' 'x86_64')
url="http://www.gnu.org/software/libc"
license=('GPL' 'LGPL')
groups=('base')
depends=('linux-api-headers>=3.7' 'tzdata' 'filesystem>=2013.01')
makedepends=('gcc>=4.7')
options=('!strip' 'staticlibs')
source=(http://ftp.gnu.org/gnu/libc/glibc-${pkgver}.tar.xz{,.sig}
        glibc-2.18-make-4.patch
        glibc-2.18-readdir_r-CVE-2013-4237.patch
        glibc-2.18-malloc-corrupt-CVE-2013-4332.patch
        glibc-2.18-strcoll-CVE-2012-4412+4424.patch
        glibc-2.18-ptr-mangle-CVE-2013-4788.patch
        glibc-2.18-getaddrinfo-CVE-2013-4458.patch
        glibc-2.18-getaddrinfo-assertion.patch
        glibc-2.18-strstr-hackfix.patch)
md5sums=('88fbbceafee809e82efd52efa1e3c58f'
         'SKIP'
         'e1883c2d1b01ff73650db5f5bb5a5a52'
         '154da6bf5a5248f42a7bf5bf08e01a47'
         'b79561ab9dce900e9bbeaf0d49927c2b'
         'c7264b99d0f7e51922a4d3126182c40a'
         '9749ba386b08a8fe53e7ecede9bf2dfb'
         '71329fccb8eb583fb0d67b55f1e8df68'
         'd4d86add33f22125777e0ecff06bc9bb'
         '4441f6dfe7d75ced1fa75e54dd21d36e')

prepare() {
  cd ${srcdir}/glibc-${pkgver}

  # compatibility with make-4.0 (submitted upstream)
  patch -p1 -i $srcdir/glibc-2.18-make-4.patch

  # upstream commit 91ce4085
  patch -p1 -i $srcdir/glibc-2.18-readdir_r-CVE-2013-4237.patch

  # upstream commits 1159a193, 55e17aad and b73ed247
  patch -p1 -i $srcdir/glibc-2.18-malloc-corrupt-CVE-2013-4332.patch

  # upstream commits 1326ba1a, 141f3a77 and 303e567a
  patch -p1 -i $srcdir/glibc-2.18-strcoll-CVE-2012-4412+4424.patch

  # upstream commits c61b4d41 and 0b1f8e35
  patch -p1 -i $srcdir/glibc-2.18-ptr-mangle-CVE-2013-4788.patch

  # upstream commit 7cbcdb36
  patch -p1 -i $srcdir/glibc-2.18-getaddrinfo-CVE-2013-4458.patch

  # upstream commit 894f3f10
  patch -p1 -i $srcdir/glibc-2.18-getaddrinfo-assertion.patch

  # hack fix for strstr issues on x86
  patch -p1 -i $srcdir/glibc-2.18-strstr-hackfix.patch

  mkdir ${srcdir}/glibc-build
}

build() {
  cd ${srcdir}/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=/usr/lib" >> configparms
  echo "sbindir=/usr/bin" >> configparms
  echo "rootsbindir=/usr/bin" >> configparms

  # remove hardening options for building libraries
  CFLAGS=${CFLAGS/-fstack-protector/}
  CPPFLAGS=${CPPFLAGS/-D_FORTIFY_SOURCE=2/}

  ${srcdir}/glibc-${pkgver}/configure --prefix=/usr \
      --libdir=/usr/lib --libexecdir=/usr/lib \
      --with-headers=/usr/include \
      --with-bugurl=https://bugs.archlinux.org/ \
      --enable-add-ons=nptl,libidn \
      --enable-obsolete-rpc \
      --enable-kernel=2.6.32 \
      --enable-bind-now --disable-profile \
      --enable-stackguard-randomization \
      --enable-lock-elision \
      --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 '4,6d' configparms
}

package() {
  cd ${srcdir}/glibc-build
  make install_root=${pkgdir} install
  rm -rf $pkgdir/usr/{bin,include,share,lib/{pkgconfig,audit,gconv,getconf}}
  rm -rf $pkgdir/{etc,var}
  rm -f $pkgdir/usr/lib/*.so*
  rm -f $pkgdir/usr/lib/*.o
  rm -f $pkgdir/usr/lib/lib{bsd-compat,c,c_nonshared,dl,g,ieee,m,mcheck,pthread,pthread_nonshared,rpcsvc}.a
  strip $STRIP_STATIC $pkgdir/usr/lib/*.a
}