| # =========================================================================== |
| # https://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 <https://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 16 |
| |
| AC_DEFUN([AX_COMPILER_VENDOR], |
| [AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor, |
| dnl Please add if possible support to ax_compiler_version.m4 |
| [# 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__ |
| cray: _CRAYC |
| fujitsu: __FUJITSU |
| gnu: __GNUC__ |
| sun: __SUNPRO_C,__SUNPRO_CC |
| hp: __HP_cc,__HP_aCC |
| dec: __DECC,__DECCXX,__DECC_VER,__DECCXX_VER |
| borland: __BORLANDC__,__CODEGEARC__,__TURBOC__ |
| comeau: __COMO__ |
| kai: __KCC |
| lcc: __LCC__ |
| sgi: __sgi,sgi |
| microsoft: _MSC_VER |
| metrowerks: __MWERKS__ |
| watcom: __WATCOMC__ |
| portland: __PGI |
| tcc: __TINYC__ |
| unknown: UNKNOWN" |
| for ventest in $vendors; do |
| case $ventest in |
| *:) vendor=$ventest; continue ;; |
| *) vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")" ;; |
| esac |
| AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[ |
| #if !($vencpp) |
| thisisanerror; |
| #endif |
| ])], [break]) |
| done |
| ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=`echo $vendor | cut -d: -f1` |
| ]) |
| ]) |