2ad29df0a1
is given. Generally not useful, unless you're on a platform without a debugger... This commit was SVN r9684.
190 строки
6.8 KiB
Bash
190 строки
6.8 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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# OMPI_SETUP_CXX()
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# ----------------
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# Do everything required to setup the C++ compiler. Safe to AC_REQUIRE
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# this macro.
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AC_DEFUN([OMPI_SETUP_CXX],[
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AC_REQUIRE([_OMPI_START_SETUP_CXX])
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AC_REQUIRE([_OMPI_PROG_CXX])
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OMPI_CXX_COMPILER_VENDOR([ompi_cxx_vendor])
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# Do we want code coverage
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if test "$WANT_COVERAGE" = "1"; then
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if test "$ompi_cxx_vendor" = "gnu" ; then
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AC_MSG_WARN([-fprofile-arcs -ftest-coverage has been added to CFLAGS (--enable-coverage)])
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WANT_DEBUG=1
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CXXFLAGS="-ftest-coverage -fprofile-arcs ${CXXFLAGS}"
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WRAPPER_EXTRA_CXXFLAGS="-ftest-coverage -fprofile-arcs ${WRAPPER_EXTRA_CXXFLAGS}"
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else
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AC_MSG_WARN([Code coverage functionality is currently available only with GCC suite])
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AC_MSG_ERROR([Configure: cannot continue])
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fi
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fi
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# Do we want debugging?
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if test "$WANT_DEBUG" = "1" -a "$enable_debug_symbols" != "no" ; then
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CXXFLAGS="$CXXFLAGS -g"
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OMPI_UNIQ(CXXFLAGS)
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AC_MSG_WARN([-g has been added to CXXFLAGS (--enable-debug)])
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fi
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# These flags are generally g++-specific; even the g++-impersonating
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# compilers won't accept them.
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OMPI_CXXFLAGS_BEFORE_PICKY="$CXXFLAGS"
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if test "$WANT_PICKY_COMPILER" = 1 -a "$ompi_cxx_vendor" = "gnu"; then
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add="-Wall -Wundef -Wno-long-long"
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# see if -Wno-long-double works...
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AC_LANG_PUSH(C++)
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CXXFLAGS_orig="$CXXFLAGS"
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CXXFLAGS="$CXXFLAGS -Wno-long-double"
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AC_CACHE_CHECK([if $CXX supports -Wno-long-double],
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[ompi_cv_cxx_wno_long_double],
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[AC_TRY_COMPILE([], [],
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[ompi_cv_cxx_wno_long_double="yes"],
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[ompi_cv_cxx_wno_long_double="no"])])
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CXXFLAGS="$CXXFLAGS_orig"
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AC_LANG_POP(C++)
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if test "$ompi_cv_cxx_wno_long_double" = "yes" ; then
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add="$add -Wno-long-double"
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fi
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CXXFLAGS="$CXXFLAGS $add"
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OMPI_UNIQ(CXXFLAGS)
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if test "$add" != "" ; then
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AC_MSG_WARN([$add has been added to CXXFLAGS (--enable-picky)])
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fi
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unset add
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fi
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# See if this version of g++ allows -finline-functions
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if test "$GXX" = "yes"; then
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CXXFLAGS_orig="$CXXFLAGS"
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CXXFLAGS="$CXXFLAGS -finline-functions"
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add=
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AC_CACHE_CHECK([if $CXX supports -finline-functions],
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[ompi_cv_cxx_finline_functions],
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[AC_TRY_COMPILE([], [],
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[ompi_cv_cxx_finline_functions="yes"],
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[ompi_cv_cxx_finline_functions="no"])])
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if test "$ompi_cv_cxx_finline_functions" = "yes" ; then
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add=" -finline-functions"
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fi
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CXXFLAGS="$CXXFLAGS_orig$add"
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OMPI_UNIQ(CXXFLAGS)
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if test "$add" != "" ; then
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AC_MSG_WARN([$add has been added to CXXFLAGS])
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fi
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unset add
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fi
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# Check for special things due to C++ exceptions
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ENABLE_CXX_EXCEPTIONS=no
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HAVE_CXX_EXCEPTIONS=0
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AC_ARG_ENABLE([cxx-exceptions],
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[AC_HELP_STRING([--enable-cxx-exceptions],
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[enable support for C++ exceptions])],
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[ENABLE_CXX_EXCEPTIONS="$enableval"])
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AC_MSG_CHECKING([if want C++ exception handling])
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AC_MSG_RESULT([$ENABLE_CXX_EXCEPTIONS])
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if test "$ENABLE_CXX_EXCEPTIONS" = "yes"; then
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# config/cxx_have_exceptions.m4
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OMPI_CXX_HAVE_EXCEPTIONS
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# config/cxx_find_exception_flags.m4
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OMPI_CXX_FIND_EXCEPTION_FLAGS
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if test "$OMPI_CXX_EXCEPTIONS" = "1"; then
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HAVE_CXX_EXCEPTIONS=1
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CFLAGS="$CFLAGS $OMPI_CXX_EXCEPTIONS_CFLAGS"
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FFLAGS="$FFLAGS $OMPI_CXX_EXCEPTIONS_FFLAGS"
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CXXFLAGS="$CXXFLAGS $OMPI_CXX_EXCEPTIONS_CXXFLAGS"
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LDFLAGS="$LDFLAGS $OMPI_CXX_EXCEPTIONS_LDFLAGS"
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WRAPPER_EXTRA_CFLAGS="$OMPI_CXX_EXCEPTIONS_CFLAGS ${WRAPPER_EXTRA_CFLAGS}"
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WRAPPER_EXTRA_FFLAGS="$OMPI_CXX_EXCEPTIONS_FFLAGS ${WRAPPER_EXTRA_FFLAGS}"
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WRAPPER_EXTRA_CXXFLAGS="$OMPI_CXX_EXCEPTIONS_CXXFLAGS ${WRAPPER_EXTRA_CXXFLAGS}"
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fi
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fi
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AC_DEFINE_UNQUOTED(OMPI_HAVE_CXX_EXCEPTION_SUPPORT, $HAVE_CXX_EXCEPTIONS,
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[Whether or not we have compiled with C++ exceptions support])
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# Find some more characteristics of the C++ compiler
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# config/cxx_find_template_repository.m4
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OMPI_CXX_FIND_TEMPLATE_REPOSITORY
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# config/cxx_find_template_parameters.m4
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OMPI_CXX_FIND_TEMPLATE_PARAMETERS
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# If we are on HP-UX, ensure that we're using aCC
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case "$host" in
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*hpux*)
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if test "$BASECXX" = "CC"; then
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AC_MSG_WARN([*** You will probably have problems compiling the MPI 2])
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AC_MSG_WARN([*** C++ bindings with the HP-UX CC compiler. You should])
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AC_MSG_WARN([*** probably be using the aCC compiler. Re-run configure])
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AC_MSG_WARN([*** with the environment variable "CXX=aCC".])
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fi
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;;
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esac
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# Note: gcc-imperonating compilers accept -O3
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if test "$WANT_DEBUG" = "1"; then
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OPTFLAGS=
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else
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if test "$GXX" = yes; then
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OPTFLAGS="-O3"
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else
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OPTFLAGS="-O"
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fi
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fi
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# config/ompi_check_optflags.m4
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OMPI_CHECK_OPTFLAGS(["$CXXFLAGS"])
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AC_MSG_CHECKING([for C++ optimization flags])
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AC_MSG_RESULT([$co_result])
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CXXFLAGS="$co_result"
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])
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AC_DEFUN([_OMPI_START_SETUP_CXX],[
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ompi_show_subtitle "C++ compiler and preprocessor"
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])
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AC_DEFUN([_OMPI_PROG_CXX],[
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ompi_cxxflags_save="$CXXFLAGS"
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AC_PROG_CXX
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AC_PROG_CXXCPP
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BASECXX="`basename $CXX`"
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CXXFLAGS="$ompi_cxxflags_save"
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AC_DEFINE_UNQUOTED(OMPI_CXX, "$CXX", [OMPI underlying C++ compiler])
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OMPI_CXX_ABSOLUTE="`which $CXX`"
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AC_SUBST(OMPI_CXX_ABSOLUTE)
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# make sure the compiler actually works, if not cross-compiling.
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# Don't just use the AC macro so that we can have a pretty
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# message.
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OMPI_CHECK_COMPILER_WORKS([C++], [return 0], [],
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[AC_MSG_ERROR([Could not run a simple C++ program. Aborting.])])
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])
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