1# =========================================================================== 2# http://autoconf-archive.cryp.to/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# LAST MODIFICATION 17# 18# 2008-04-12 19# 20# COPYLEFT 21# 22# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu> 23# Copyright (c) 2008 Matteo Frigo 24# 25# This program is free software: you can redistribute it and/or modify it 26# under the terms of the GNU General Public License as published by the 27# Free Software Foundation, either version 3 of the License, or (at your 28# option) any later version. 29# 30# This program is distributed in the hope that it will be useful, but 31# WITHOUT ANY WARRANTY; without even the implied warranty of 32# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 33# Public License for more details. 34# 35# You should have received a copy of the GNU General Public License along 36# with this program. If not, see <http://www.gnu.org/licenses/>. 37# 38# As a special exception, the respective Autoconf Macro's copyright owner 39# gives unlimited permission to copy, distribute and modify the configure 40# scripts that are the output of Autoconf when processing the Macro. You 41# need not follow the terms of the GNU General Public License when using 42# or distributing such scripts, even though portions of the text of the 43# Macro appear in them. The GNU General Public License (GPL) does govern 44# all other use of the material that constitutes the Autoconf Macro. 45# 46# This special exception to the GPL applies to versions of the Autoconf 47# Macro released by the Autoconf Macro Archive. When you make and 48# distribute a modified version of the Autoconf Macro, you may extend this 49# special exception to the GPL to apply to your modified version as well. 50 51AC_DEFUN([AX_COMPILER_VENDOR], 52[ 53AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor, 54 [ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=unknown 55 # note: don't check for gcc first since some other compilers define __GNUC__ 56 for ventest in clang:__clang__ intel:__ICC,__ECC,__INTEL_COMPILER ibm:__xlc__,__xlC__,__IBMC__,__IBMCPP__ pathscale:__PATHCC__,__PATHSCALE__ gnu:__GNUC__ sun:__SUNPRO_C,__SUNPRO_CC hp:__HP_cc,__HP_aCC dec:__DECC,__DECCXX,__DECC_VER,__DECCXX_VER borland:__BORLANDC__,__TURBOC__ comeau:__COMO__ cray:_CRAYC kai:__KCC lcc:__LCC__ metrowerks:__MWERKS__ sgi:__sgi,sgi microsoft:_MSC_VER watcom:__WATCOMC__ portland:__PGI; do 57 vencpp="defined("`echo $ventest | cut -d: -f2 | sed 's/,/) || defined(/g'`")" 58 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[ 59#if !($vencpp) 60 thisisanerror; 61#endif 62])], [ax_cv_]_AC_LANG_ABBREV[_compiler_vendor=`echo $ventest | cut -d: -f1`; break]) 63 done 64 ]) 65]) 66