annotate src/fftw-3.3.8/m4/ax_compiler_vendor.m4 @ 84:08ae793730bd

Add null config files
author Chris Cannam
date Mon, 02 Mar 2020 14:03:47 +0000
parents d0c2a83c1364
children
rev   line source
Chris@82 1 dnl @synopsis AX_COMPILER_VENDOR
Chris@82 2 dnl @summary find the vendor (gnu, intel, etc.) of the C/C++ compiler
Chris@82 3 dnl @category C
Chris@82 4 dnl @category C++
Chris@82 5 dnl
Chris@82 6 dnl Determine the vendor of the C/C++ compiler, e.g., gnu, intel, ibm,
Chris@82 7 dnl sun, hp, borland, comeau, dec, cray, kai, lcc, metrowerks, sgi,
Chris@82 8 dnl microsoft, watcom, etc. The vendor is returned in the cache variable
Chris@82 9 dnl $ax_cv_c_compiler_vendor for C and $ax_cv_cxx_compiler_vendor for C++.
Chris@82 10 dnl
Chris@82 11 dnl @version 2007-08-01
Chris@82 12 dnl @license GPLWithACException
Chris@82 13 dnl @author Steven G. Johnson <stevenj@alum.mit.edu> with Matteo Frigo
Chris@82 14
Chris@82 15 AC_DEFUN([AX_COMPILER_VENDOR],
Chris@82 16 [
Chris@82 17 AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor,
Chris@82 18 [ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=unknown
Chris@82 19 # note: don't check for gcc first since some other compilers define __GNUC__
Chris@82 20 for ventest in intel:__ICC,__ECC,__INTEL_COMPILER ibm:__ibmxl__,__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
Chris@82 21 vencpp="defined("`echo $ventest | cut -d: -f2 | sed 's/,/) || defined(/g'`")"
Chris@82 22 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[
Chris@82 23 #if !($vencpp)
Chris@82 24 thisisanerror;
Chris@82 25 #endif
Chris@82 26 ])], [ax_cv_]_AC_LANG_ABBREV[_compiler_vendor=`echo $ventest | cut -d: -f1`; break])
Chris@82 27 done
Chris@82 28 ])
Chris@82 29 ])
Chris@82 30