88 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			88 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
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								# ===========================================================================
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								#    https://www.gnu.org/software/autoconf-archive/ax_compiler_vendor.html
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								# ===========================================================================
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								#
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								# SYNOPSIS
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								#
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								#   AX_COMPILER_VENDOR
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								#
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								# DESCRIPTION
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								#
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								#   Determine the vendor of the C/C++ compiler, e.g., gnu, intel, ibm, sun,
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								#   hp, borland, comeau, dec, cray, kai, lcc, metrowerks, sgi, microsoft,
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								#   watcom, etc. The vendor is returned in the cache variable
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								#   $ax_cv_c_compiler_vendor for C and $ax_cv_cxx_compiler_vendor for C++.
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								#
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								# LICENSE
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								#
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								#   Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
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								#   Copyright (c) 2008 Matteo Frigo
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								#
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								#   This program is free software: you can redistribute it and/or modify it
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								#   under the terms of the GNU General Public License as published by the
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								#   Free Software Foundation, either version 3 of the License, or (at your
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								#   option) any later version.
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								#
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								#   This program is distributed in the hope that it will be useful, but
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								#   WITHOUT ANY WARRANTY; without even the implied warranty of
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								#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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								#   Public License for more details.
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								#
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								#   You should have received a copy of the GNU General Public License along
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								#   with this program. If not, see <https://www.gnu.org/licenses/>.
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								#
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								#   As a special exception, the respective Autoconf Macro's copyright owner
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								#   gives unlimited permission to copy, distribute and modify the configure
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								#   scripts that are the output of Autoconf when processing the Macro. You
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								#   need not follow the terms of the GNU General Public License when using
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								#   or distributing such scripts, even though portions of the text of the
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								#   Macro appear in them. The GNU General Public License (GPL) does govern
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								#   all other use of the material that constitutes the Autoconf Macro.
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								#
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								#   This special exception to the GPL applies to versions of the Autoconf
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								#   Macro released by the Autoconf Archive. When you make and distribute a
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								#   modified version of the Autoconf Macro, you may extend this special
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								#   exception to the GPL to apply to your modified version as well.
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								#serial 16
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								AC_DEFUN([AX_COMPILER_VENDOR],
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								[AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor,
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								  dnl Please add if possible support to ax_compiler_version.m4
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								  [# note: don't check for gcc first since some other compilers define __GNUC__
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								  vendors="intel:     __ICC,__ECC,__INTEL_COMPILER
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								           ibm:       __xlc__,__xlC__,__IBMC__,__IBMCPP__
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								           pathscale: __PATHCC__,__PATHSCALE__
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								           clang:     __clang__
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								           cray:      _CRAYC
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								           fujitsu:   __FUJITSU
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								           gnu:       __GNUC__
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								           sun:       __SUNPRO_C,__SUNPRO_CC
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								           hp:        __HP_cc,__HP_aCC
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								           dec:       __DECC,__DECCXX,__DECC_VER,__DECCXX_VER
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								           borland:   __BORLANDC__,__CODEGEARC__,__TURBOC__
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								           comeau:    __COMO__
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								           kai:       __KCC
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								           lcc:       __LCC__
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								           sgi:       __sgi,sgi
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								           microsoft: _MSC_VER
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								           metrowerks: __MWERKS__
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								           watcom:    __WATCOMC__
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								           portland:  __PGI
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									   tcc:       __TINYC__
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								           unknown:   UNKNOWN"
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								  for ventest in $vendors; do
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								    case $ventest in
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								      *:) vendor=$ventest; continue ;;
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								      *)  vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")" ;;
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								    esac
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								    AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[
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								      #if !($vencpp)
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								        thisisanerror;
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								      #endif
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								    ])], [break])
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								  done
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								  ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=`echo $vendor | cut -d: -f1`
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								 ])
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								])
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