1 # =========================================================================== 2 # http://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 (a] 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 47 #serial 11 48 49 AC_DEFUN([AX_COMPILER_VENDOR], 50 [AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor, 51 [# note: don't check for gcc first since some other compilers define __GNUC__ 52 vendors="intel: __ICC,__ECC,__INTEL_COMPILER 53 ibm: __xlc__,__xlC__,__IBMC__,__IBMCPP__ 54 pathscale: __PATHCC__,__PATHSCALE__ 55 clang: __clang__ 56 gnu: __GNUC__ 57 sun: __SUNPRO_C,__SUNPRO_CC 58 hp: __HP_cc,__HP_aCC 59 dec: __DECC,__DECCXX,__DECC_VER,__DECCXX_VER 60 borland: __BORLANDC__,__TURBOC__ 61 comeau: __COMO__ 62 cray: _CRAYC 63 kai: __KCC 64 lcc: __LCC__ 65 sgi: __sgi,sgi 66 microsoft: _MSC_VER 67 metrowerks: __MWERKS__ 68 watcom: __WATCOMC__ 69 portland: __PGI 70 unknown: UNKNOWN" 71 for ventest in $vendors; do 72 case $ventest in 73 *:) vendor=$ventest; continue ;; 74 *) vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")" ;; 75 esac 76 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[ 77 #if !($vencpp) 78 thisisanerror; 79 #endif 80 ])], [break]) 81 done 82 ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=`echo $vendor | cut -d: -f1` 83 ]) 84 ]) 85