66629c0974
is a short name usually the one that the compiler have. If we are using wrappers around a compiler the flavor will be the real name of the compiler. The vendor is a short name for the maker of the compiler. The GNU compilers get gnu and the microsoft one get microsoft. These 2 macros provide a simple way to check for specific brand of compilers and to generate the correct code to test with the autoconf macros. They are not yet completed, I add just some of the compilers/vendors but feel free to add more if you need/want. This commit was SVN r8417.
80 строки
2.6 KiB
Bash
80 строки
2.6 KiB
Bash
dnl -*- shell-script -*-
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dnl
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dnl Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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dnl University Research and Technology
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dnl Corporation. All rights reserved.
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dnl Copyright (c) 2004-2005 The University of Tennessee and The University
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dnl of Tennessee Research Foundation. All rights
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dnl reserved.
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dnl Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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dnl University of Stuttgart. All rights reserved.
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dnl Copyright (c) 2004-2005 The Regents of the University of California.
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dnl All rights reserved.
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dnl $COPYRIGHT$
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dnl
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dnl Additional copyrights may follow
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dnl
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dnl $HEADER$
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dnl
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AC_DEFUN([_AC_C_IFDEF],
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[AC_COMPILE_IFELSE([#ifndef $1
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# error "Macro $1 is undefined!"
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/* For some compilers (eg. SGI's CC), #error is not
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enough... */
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please, do fail
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#endif],
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[$2], [$3])])
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AC_DEFUN([AC_CXX_COMPILER_VENDOR],
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#
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# Arguments:
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# Optional 1 and 2 : compiler vendor and compiler nickname.
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#
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# Depdencies: None
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#
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# Check to see if the C++ compiler can handle exceptions
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#
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# Sets OMPI_CXX_EXCEPTIONS to 1 if compiler has exceptions, 0 if not
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#
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[AC_REQUIRE([AC_PROG_CXX])
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AC_REQUIRE([AC_PROG_CXXCPP])
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AC_CACHE_CHECK([the C++ compiler vendor],
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[ac_cv_cxx_compiler_vendor],
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[AC_LANG_PUSH([C++])
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dnl GNU C++
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_AC_C_IFDEF([__GNUG__],
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[ac_cv_cxx_compiler_vendor=gnu],
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[_AC_C_IFDEF([__DECCXX],
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[ac_cv_cxx_compiler_vendor=compaq],
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[dnl HP's aCC
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_AC_C_IFDEF([__HP_aCC],
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[ac_cv_cxx_compiler_vendor=hp],
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[dnl SGI CC
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_AC_C_IFDEF([__sgi],
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[ac_cv_cxx_compiler_vendor=sgi],
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[dnl Note: We are using the C compiler because VC++ doesn't
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dnl recognize `.cc'(which is used by `configure') as a C++ file
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dnl extension and requires `/TP' to be passed.
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AC_LANG_PUSH([C])
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_AC_C_IFDEF([_MSC_VER],
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[ac_cv_cxx_compiler_vendor=microsoft],
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[ac_cv_cxx_compiler_vendor=unknown])
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AC_LANG_POP()])])])])
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AC_LANG_POP()])
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ifelse([$1], , [], [$1="$ac_cv_cxx_compiler_vendor"])
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dnl The compiler nickname
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ifelse([$2], , [],
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[case "$ac_cv_cxx_compiler_vendor" in
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gnu) $2=g++;;
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compaq) $2=cxx;;
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hp) $2=aCC;;
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sgi) $2=CC;;
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microsoft) $2=cl;;
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*) $2=unknown;;
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esac])])dnl
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