13d86e100b
Continue the reorganization of the configure system. Move files from the main config directory to their appropriate level-specific config directories. Modify the configure system to correctly handle compiler detection, test, and setup so that all things pertaining to opal and orte are done at the lower level, with the ompi configure system only looking at mpi-specific options. Ensure the wrapper compilers for orte and ompi only get built when appropriate. Add support for c++ to the orte wrapper compilers, both script and non-script versions. This commit was SVN r22138.
203 строки
7.2 KiB
Bash
203 строки
7.2 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) 2004-2006 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) 2004-2008 High Performance Computing Center Stuttgart,
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dnl University of Stuttgart. All rights reserved.
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dnl Copyright (c) 2004-2006 The Regents of the University of California.
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dnl All rights reserved.
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dnl Copyright (c) 2006 Los Alamos National Security, LLC. All rights
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dnl reserved.
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dnl Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
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dnl Copyright (c) 2008-2009 Cisco Systems, Inc. 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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# This macro is necessary to get the title to be displayed first. :-)
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AC_DEFUN([OPAL_SETUP_CXX_BANNER],[
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ompi_show_subtitle "C++ compiler and preprocessor"
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])
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# This macro is necessary because PROG_CXX* is REQUIREd by multiple
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# places in SETUP_CXX.
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AC_DEFUN([OPAL_PROG_CXX],[
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OMPI_VAR_SCOPE_PUSH([opal_cxxflags_save])
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opal_cxxflags_save="$CXXFLAGS"
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AC_PROG_CXX
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AC_PROG_CXXCPP
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CXXFLAGS="$opal_cxxflags_save"
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OMPI_VAR_SCOPE_POP
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])
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# OPAL_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([OPAL_SETUP_CXX],[
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AC_REQUIRE([OPAL_SETUP_CXX_BANNER])
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_OPAL_SETUP_CXX_COMPILER
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OMPI_CXX_COMPILER_VENDOR([opal_cxx_vendor])
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_OPAL_SETUP_CXX_COMPILER_BACKEND
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])
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# _OPAL_SETUP_CXX_COMPILER()
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# --------------------------
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# Setup the CXX compiler
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AC_DEFUN([_OPAL_SETUP_CXX_COMPILER],[
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OMPI_VAR_SCOPE_PUSH(opal_cxx_compiler_works)
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# Must REQUIRE the PROG_CXX macro and not call it directly here for
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# reasons well-described in the AC2.64 (and beyond) docs.
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AC_REQUIRE([OPAL_PROG_CXX])
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BASECXX="`basename $CXX`"
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AS_IF([test "x$CXX" = "x"], [CXX=none])
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set dummy $CXX
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opal_cxx_argv0=[$]2
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OMPI_WHICH([$opal_cxx_argv0], [OPAL_CXX_ABSOLUTE])
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AS_IF([test "x$OPAL_CXX_ABSOLUTE" = "x"], [OPAL_CXX_ABSOLUTE=none])
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AC_DEFINE_UNQUOTED(OPAL_CXX, "$CXX", [OPAL underlying C++ compiler])
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AC_SUBST(OPAL_CXX_ABSOLUTE)
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OMPI_VAR_SCOPE_POP
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])
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# _OPAL_SETUP_CXX_COMPILER_BACKEND()
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# ----------------------------------
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# Back end of _OPAL_SETUP_CXX_COMPILER_BACKEND()
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AC_DEFUN([_OPAL_SETUP_CXX_COMPILER_BACKEND],[
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# Do we want code coverage
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if test "$WANT_COVERAGE" = "1"; then
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if test "$opal_cxx_vendor" = "gnu" ; then
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AC_MSG_WARN([$OPAL_COVERAGE_FLAGS has been added to CFLAGS (--enable-coverage)])
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WANT_DEBUG=1
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CXXFLAGS="${CXXFLAGS} $OPAL_COVERAGE_FLAGS"
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WRAPPER_EXTRA_CXXFLAGS="${WRAPPER_EXTRA_CXXFLAGS} $OPAL_COVERAGE_FLAGS"
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else
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AC_MSG_WARN([Code coverage functionality is currently available only with GCC suite])
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AC_MSG_ERROR([Configure: cannot continue])
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fi
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fi
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# Do we want debugging?
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if test "$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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OPAL_CXXFLAGS_BEFORE_PICKY="$CXXFLAGS"
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if test "$WANT_PICKY_COMPILER" = 1 -a "$opal_cxx_vendor" = "gnu"; then
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add="-Wall -Wundef -Wno-long-long"
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# see if -Wno-long-double works...
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AC_LANG_PUSH(C++)
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CXXFLAGS_orig="$CXXFLAGS"
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CXXFLAGS="$CXXFLAGS $add -Wno-long-double -fstrict-prototype"
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AC_CACHE_CHECK([if $CXX supports -Wno-long-double],
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[opal_cv_cxx_wno_long_double],
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[AC_TRY_COMPILE([], [],
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[opal_cv_cxx_wno_long_double="yes"],
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[opal_cv_cxx_wno_long_double="no"])])
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CXXFLAGS="$CXXFLAGS_orig"
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AC_LANG_POP(C++)
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if test "$opal_cv_cxx_wno_long_double" = "yes" ; then
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add="$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 $CXX supports -finline-functions],
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[opal_cv_cxx_finline_functions],
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[AC_TRY_COMPILE([], [],
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[opal_cv_cxx_finline_functions="yes"],
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[opal_cv_cxx_finline_functions="no"])])
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if test "$opal_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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# Make sure we can link with the C compiler
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if[ test "$opal_cv_cxx_compiler_vendor" != "microsoft" ]; then
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OMPI_LANG_LINK_WITH_C([C++], [],
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[cat <<EOF >&2
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**********************************************************************
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* It appears that your C++ compiler is unable to link against object
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* files created by your C compiler. This generally indicates either
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* a conflict between the options specified in CFLAGS and CXXFLAGS
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* or a problem with the local compiler installation. More
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* information (including exactly what command was given to the
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* compilers and what error resulted when the commands were executed) is
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* available in the config.log file in this directory.
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**********************************************************************
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EOF
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AC_MSG_ERROR([C and C++ compilers are not link compatible. Can not continue.])])
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fi
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# If we are on HP-UX, ensure that we're using aCC
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case "$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 "$GXX" = yes; then
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OPTFLAGS="-O3"
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else
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OPTFLAGS="-O"
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fi
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fi
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# config/opal_check_optflags.m4
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OMPI_CHECK_OPTFLAGS(["$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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# bool type size and alignment
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AC_LANG_PUSH(C++)
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AC_CHECK_SIZEOF(bool)
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OMPI_C_GET_ALIGNMENT(bool, OPAL_ALIGNMENT_CXX_BOOL)
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AC_LANG_POP(C++)
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])
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