diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/ax_compiler_vendor.m4 | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/m4/ax_compiler_vendor.m4 b/m4/ax_compiler_vendor.m4 new file mode 100644 index 0000000000..39ca3c0f33 --- /dev/null +++ b/m4/ax_compiler_vendor.m4 @@ -0,0 +1,87 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_compiler_vendor.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_COMPILER_VENDOR +# +# DESCRIPTION +# +# Determine the vendor of the C/C++ compiler, e.g., gnu, intel, ibm, sun, +# hp, borland, comeau, dec, cray, kai, lcc, metrowerks, sgi, microsoft, +# watcom, etc. The vendor is returned in the cache variable +# $ax_cv_c_compiler_vendor for C and $ax_cv_cxx_compiler_vendor for C++. +# +# LICENSE +# +# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu> +# Copyright (c) 2008 Matteo Frigo +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program 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 General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see <http://www.gnu.org/licenses/>. +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 15 + +AC_DEFUN([AX_COMPILER_VENDOR], +[AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor, + dnl Please add if possible support to ax_compiler_version.m4 + [# note: don't check for gcc first since some other compilers define __GNUC__ + vendors="intel: __ICC,__ECC,__INTEL_COMPILER + ibm: __xlc__,__xlC__,__IBMC__,__IBMCPP__ + pathscale: __PATHCC__,__PATHSCALE__ + clang: __clang__ + cray: _CRAYC + fujitsu: __FUJITSU + gnu: __GNUC__ + sun: __SUNPRO_C,__SUNPRO_CC + hp: __HP_cc,__HP_aCC + dec: __DECC,__DECCXX,__DECC_VER,__DECCXX_VER + borland: __BORLANDC__,__CODEGEARC__,__TURBOC__ + comeau: __COMO__ + kai: __KCC + lcc: __LCC__ + sgi: __sgi,sgi + microsoft: _MSC_VER + metrowerks: __MWERKS__ + watcom: __WATCOMC__ + portland: __PGI + tcc: __TINYC__ + unknown: UNKNOWN" + for ventest in $vendors; do + case $ventest in + *:) vendor=$ventest; continue ;; + *) vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")" ;; + esac + AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[ + #if !($vencpp) + thisisanerror; + #endif + ])], [break]) + done + ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=`echo $vendor | cut -d: -f1` + ]) +]) |