1 # ===========================================================================
2 # http://www.gnu.org/software/autoconf-archive/ax_compiler_vendor.html
3 # ===========================================================================
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++.
18 # Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
19 # Copyright (c) 2008 Matteo Frigo
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.
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.
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/>.
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.
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.
49 AC_DEFUN([AX_COMPILER_VENDOR],
51 AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor,
52 [ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=unknown
53 # note: don't check for gcc first since some other compilers define __GNUC__
54 for ventest in intel:__ICC,__ECC,__INTEL_COMPILER ibm:__xlc__,__xlC__,__IBMC__,__IBMCPP__ pathscale:__PATHCC__,__PATHSCALE__ clang:__clang__ 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
55 vencpp="defined("`echo $ventest | cut -d: -f2 | sed 's/,/) || defined(/g'`")"
56 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[
60 ])], [ax_cv_]_AC_LANG_ABBREV[_compiler_vendor=`echo $ventest | cut -d: -f1`; break])