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