ref: ca5618deb1a747f3b46f6240a2b232e632c37b0e
dir: /m4/ax_compiler_vendor.m4/
# =========================================================================== # https://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 <[email protected]> # 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 <https://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 16 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` ]) ])