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 17 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 sdcc: SDCC, __SDCC 60 gnu: __GNUC__ 61 sun: __SUNPRO_C,__SUNPRO_CC 62 hp: __HP_cc,__HP_aCC 63 dec: __DECC,__DECCXX,__DECC_VER,__DECCXX_VER 64 borland: __BORLANDC__,__CODEGEARC__,__TURBOC__ 65 comeau: __COMO__ 66 kai: __KCC 67 lcc: __LCC__ 68 sgi: __sgi,sgi 69 microsoft: _MSC_VER 70 metrowerks: __MWERKS__ 71 watcom: __WATCOMC__ 72 portland: __PGI 73 tcc: __TINYC__ 74 unknown: UNKNOWN" 75 for ventest in $vendors; do 76 case $ventest in 77 *:) vendor=$ventest; continue ;; 78 *) vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")" ;; 79 esac 80 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[ 81 #if !($vencpp) 82 thisisanerror; 83 #endif 84 ])], [break]) 85 done 86 ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=`echo $vendor | cut -d: -f1` 87 ]) 88]) 89