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# ===========================================================================# http://www.gnu.org/software/autoconf-archive/ax_compiler_vendor.html# ===========================================================================## SYNOPSIS## AX_COMPILER_VENDOR## DESCRIPTION## Determine the vendor of the C/C++ compiler, e.g., gnu, intel, ibm, sun,# hp, borland, comeau, dec, cray, kai, lcc, metrowerks, sgi, microsoft,# watcom, etc. The vendor is returned in the cache variable# $ax_cv_c_compiler_vendor for C and $ax_cv_cxx_compiler_vendor for C++.## LICENSE## Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu># Copyright (c) 2008 Matteo Frigo## This program is free software: you can redistribute it and/or modify it# under the terms of the GNU General Public License as published by the# Free Software Foundation, either version 3 of the License, or (at your# option) any later version.## This program is distributed in the hope that it will be useful, but# WITHOUT ANY WARRANTY; without even the implied warranty of# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General# Public License for more details.## You should have received a copy of the GNU General Public License along# with this program. If not, see <http://www.gnu.org/licenses/>.## As a special exception, the respective Autoconf Macro's copyright owner# gives unlimited permission to copy, distribute and modify the configure# scripts that are the output of Autoconf when processing the Macro. You# need not follow the terms of the GNU General Public License when using# or distributing such scripts, even though portions of the text of the# Macro appear in them. The GNU General Public License (GPL) does govern# all other use of the material that constitutes the Autoconf Macro.## This special exception to the GPL applies to versions of the Autoconf# Macro released by the Autoconf Archive. When you make and distribute a# modified version of the Autoconf Macro, you may extend this special# exception to the GPL to apply to your modified version as well.
#serial 12
AC_DEFUN([AX_COMPILER_VENDOR],[AC_REQUIRE([AC_PROG_SED]) AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor, [# note: don't check for gcc first since some other compilers define __GNUC__ vendors="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__ sgi: __sgi,sgi microsoft: _MSC_VER metrowerks: __MWERKS__ watcom: __WATCOMC__ portland: __PGI unknown: UNKNOWN" for ventest in $vendors; do AS_CASE([$ventest], [*:], [AS_VAR_COPY([vendor], [ventest]) continue],
[AS_VAR_SET([vencpp], ["defined("`AS_ECHO($ventest) | $SED 's/,/) || defined(/g'`")"])]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[[ #if !($vencpp) thisisanerror; #endif ]])], [break]) done AS_VAR_SET([ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor], ["`AS_ECHO($vendor) | cut -d: -f1`"]) ])])
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