1# =========================================================================== 2# http://www.nongnu.org/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 <http://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 47AC_DEFUN([AX_COMPILER_VENDOR], 48[ 49AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor, 50 [ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=unknown 51 # note: don't check for gcc first since some other compilers define __GNUC__ 52 for ventest in 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 53 vencpp="defined("`echo $ventest | cut -d: -f2 | sed 's/,/) || defined(/g'`")" 54 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[ 55#if !($vencpp) 56 thisisanerror; 57#endif 58])], [ax_cv_]_AC_LANG_ABBREV[_compiler_vendor=`echo $ventest | cut -d: -f1`; break]) 59 done 60 ]) 61]) 62