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4f3a870b9d
This version of ax_compiler_vendor.m4 has been submitted upstream; see https://savannah.gnu.org/patch/index.php?9671 for details.
118 lines
4.2 KiB
Plaintext
118 lines
4.2 KiB
Plaintext
# ===========================================================================
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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++ or Fortran compiler. The vendor is
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# returned in the cache variable $ax_cv_c_compiler_vendor for C,
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# $ax_cv_cxx_compiler_vendor for C++ or $ax_cv_fc_compiler_vendor for
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# (modern) Fortran. The value is one of "intel", "ibm", "pathscale",
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# "clang" (LLVM), "cray", "fujitsu", "sdcc", "sx", "portland" (PGI), "gnu"
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# (GCC), "sun" (Oracle Developer Studio), "hp", "dec", "borland",
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# "comeau", "kai", "lcc", "sgi", "microsoft", "metrowerks", "watcom",
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# "tcc" (Tiny CC) or "unknown" (if the compiler cannot be determined).
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#
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# To check for a Fortran compiler, you must first call AC_FC_PP_SRCEXT
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# with an appropriate preprocessor-enabled extension. For example:
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#
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# AC_LANG_PUSH([Fortran])
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# AC_PROG_FC
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# AC_FC_PP_SRCEXT([F])
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# AX_COMPILER_VENDOR
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# AC_LANG_POP([Fortran])
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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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# Copyright (c) 2018 John Zaitseff <J.Zaitseff@zap.org.au>
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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 19
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AC_DEFUN([AX_COMPILER_VENDOR], [dnl
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AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor, [dnl
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dnl If you modify this list of vendors, please add similar support
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dnl to ax_compiler_version.m4 if at all possible.
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dnl
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dnl Note: Do NOT check for GCC first since some other compilers
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dnl define __GNUC__ to remain compatible with it. Compilers that
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dnl are very slow to start (such as Intel) are listed first.
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vendors="
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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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sdcc: SDCC,__SDCC
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sx: _SX
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portland: __PGI
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gnu: __GNUC__
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sun: __SUNPRO_C,__SUNPRO_CC,__SUNPRO_F90,__SUNPRO_F95
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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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tcc: __TINYC__
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unknown: UNKNOWN
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"
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for ventest in $vendors; do
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case $ventest in
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*:)
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vendor=$ventest
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continue
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;;
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*)
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vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")"
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;;
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esac
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[
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#if !($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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])dnl
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