1# =========================================================================== 2# https://www.gnu.org/software/autoconf-archive/ax_compiler_vendor.html 3# =========================================================================== 4# 5# SYNOPSIS 6# 7# AX_COMPILER_VENDOR 8# 9# DESCRIPTION 10# 11# Determine the vendor of the C/C++ compiler, e.g., gnu, intel, ibm, sun, 12# hp, borland, comeau, dec, cray, kai, lcc, metrowerks, sgi, microsoft, 13# watcom, etc. The vendor is returned in the cache variable 14# $ax_cv_c_compiler_vendor for C and $ax_cv_cxx_compiler_vendor for C++. 15# 16# LICENSE 17# 18# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu> 19# Copyright (c) 2008 Matteo Frigo 20# 21# This program is free software: you can redistribute it and/or modify it 22# under the terms of the GNU General Public License as published by the 23# Free Software Foundation, either version 3 of the License, or (at your 24# option) any later version. 25# 26# This program is distributed in the hope that it will be useful, but 27# WITHOUT ANY WARRANTY; without even the implied warranty of 28# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 29# Public License for more details. 30# 31# You should have received a copy of the GNU General Public License along 32# with this program. If not, see <https://www.gnu.org/licenses/>. 33# 34# As a special exception, the respective Autoconf Macro's copyright owner 35# gives unlimited permission to copy, distribute and modify the configure 36# scripts that are the output of Autoconf when processing the Macro. You 37# need not follow the terms of the GNU General Public License when using 38# or distributing such scripts, even though portions of the text of the 39# Macro appear in them. The GNU General Public License (GPL) does govern 40# all other use of the material that constitutes the Autoconf Macro. 41# 42# This special exception to the GPL applies to versions of the Autoconf 43# Macro released by the Autoconf Archive. When you make and distribute a 44# modified version of the Autoconf Macro, you may extend this special 45# exception to the GPL to apply to your modified version as well. 46 47#serial 16 48 49AC_DEFUN([AX_COMPILER_VENDOR], 50[AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor, 51 dnl Please add if possible support to ax_compiler_version.m4 52 [# note: don't check for gcc first since some other compilers define __GNUC__ 53 vendors="intel: __ICC,__ECC,__INTEL_COMPILER 54 ibm: __xlc__,__xlC__,__IBMC__,__IBMCPP__ 55 pathscale: __PATHCC__,__PATHSCALE__ 56 clang: __clang__ 57 cray: _CRAYC 58 fujitsu: __FUJITSU 59 gnu: __GNUC__ 60 sun: __SUNPRO_C,__SUNPRO_CC 61 hp: __HP_cc,__HP_aCC 62 dec: __DECC,__DECCXX,__DECC_VER,__DECCXX_VER 63 borland: __BORLANDC__,__CODEGEARC__,__TURBOC__ 64 comeau: __COMO__ 65 kai: __KCC 66 lcc: __LCC__ 67 sgi: __sgi,sgi 68 microsoft: _MSC_VER 69 metrowerks: __MWERKS__ 70 watcom: __WATCOMC__ 71 portland: __PGI 72 tcc: __TINYC__ 73 unknown: UNKNOWN" 74 for ventest in $vendors; do 75 case $ventest in 76 *:) vendor=$ventest; continue ;; 77 *) vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")" ;; 78 esac 79 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[ 80 #if !($vencpp) 81 thisisanerror; 82 #endif 83 ])], [break]) 84 done 85 ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=`echo $vendor | cut -d: -f1` 86 ]) 87]) 88