254 строки
10 KiB
Plaintext
254 строки
10 KiB
Plaintext
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dnl -*- shell-script -*-
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dnl
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dnl Copyright (c) 2004-2006 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 (c) 2007 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) 2009-2014 Cisco Systems, Inc. All rights reserved.
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dnl Copyright (c) 2015-2016 Research Organization for Information Science
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dnl and Technology (RIST). 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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dnl OMPI_SETUP_FC
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dnl
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# This is REQUIREd, below.
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AC_DEFUN_ONCE([_OMPI_SETUP_FC_BANNER],[
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opal_show_subtitle "Fortran compiler"
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])
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#############################################################################
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# This is REQUIREd, below.
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AC_DEFUN_ONCE([_OMPI_SETUP_FC_COMPILER],[
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OPAL_VAR_SCOPE_PUSH([ompi_fcflags_save])
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ompi_fcflags_save="$FCFLAGS"
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# Note that AC_PROG_FC will look for *any* fortran compiler, and
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# we don't want it to find an F77-only compiler. The AC docs
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# don't recommend using the "dialect" feature of AC_PROG_FC, so
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# instead use the optional first parameter and steal the list of
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# Fortran compilers (excluding the f77 compiler names) from AC's
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# default list of compilers and use it here. This is the main
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# reason we have an OMPI-ized version of the PROG_FC macro.
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AC_PROG_FC([gfortran f95 fort xlf95 ifort ifc efc pgfortran pgf95 lf95 f90 xlf90 pgf90 epcf90 nagfor])
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FCFLAGS="$ompi_fcflags_save"
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OPAL_VAR_SCOPE_POP
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])
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#############################################################################
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# General Fortran compiler setup
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AC_DEFUN([OMPI_SETUP_FC],[
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OPAL_VAR_SCOPE_PUSH([ompi_fc_happy LDFLAGS_save fc_version])
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# Force the intro banner to be displayed first
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AC_REQUIRE([_OMPI_SETUP_FC_BANNER])
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# Unfortunately, we must REQUIRE this for the reasons cited in the
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# Autoconf (version >= 2.64) docs.
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AC_REQUIRE([_OMPI_SETUP_FC_COMPILER])
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AS_IF([test -z "$FC"],
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[AC_MSG_WARN([*** All Fortran MPI bindings disabled (could not find compiler)])
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ompi_fc_happy=0],
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[ompi_fc_happy=1])
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AS_IF([test $ompi_fc_happy -eq 1 && test "$WANT_DEBUG" = "1" && test "$enable_debug_symbols" != "no"],
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[FCFLAGS="$FCFLAGS -g"
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OPAL_FLAGS_UNIQ(FCFLAGS)
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AC_MSG_WARN([-g has been added to FCFLAGS (--enable-debug)])
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])
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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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AS_IF([test $ompi_fc_happy -eq 1],
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[OPAL_CHECK_COMPILER_WORKS([Fortran], [], [], [],
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[AC_MSG_ERROR([Could not run a simple Fortran program. Aborting.])])])
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# OS X before 10.3 (deployment target) does not allow undefined common
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# symbols in shared libraries. Because we can't figure out how to
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# implement MPI_STATUSES_IGNORE and friends wihtout common symbols, on
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# OS X we can't build the F90 bindings as a shared library.
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OMPI_FORTRAN_EXTRA_SHARED_LIBRARY_FLAGS=
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AS_IF([test $ompi_fc_happy -eq 1],
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[AC_MSG_CHECKING([for extra arguments to build a shared library])
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case "$host" in
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*apple-darwin*)
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if test -z ${MACOSX_DEPLOYMENT_TARGET} ; then
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AC_MSG_RESULT([impossible -- -static])
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OMPI_FORTRAN_EXTRA_SHARED_LIBRARY_FLAGS="-static"
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else
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case ${MACOSX_DEPLOYMENT_TARGET} in
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10.[012])
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AC_MSG_RESULT([impossible -- -static])
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OMPI_FORTRAN_EXTRA_SHARED_LIBRARY_FLAGS="-static"
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;;
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10.*)
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AC_MSG_RESULT([-Wl,-single_module])
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OMPI_FORTRAN_EXTRA_SHARED_LIBRARY_FLAGS="-Wl,-single_module"
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esac
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fi
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;;
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*)
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AC_MSG_RESULT([none needed])
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OMPI_FORTRAN_EXTRA_SHARED_LIBRARY_FLAGS=""
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;;
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esac])
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AC_SUBST(OMPI_FORTRAN_EXTRA_SHARED_LIBRARY_FLAGS)
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# The Absoft compiler does not like the fact that we use lots of
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# "ignore TKR" comment pragmas that it doesn't understand, and
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# will warn about them. From Tony Goetz at Absoft, we can use the
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# -Z790 flag to quell these warnings.
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# The NAG compiler is too picky about naming conventions, so use the
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# -mismatch flag to keep it happy
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AC_MSG_CHECKING([for $FC warnings flags])
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fc_version=`$FC --version 2>&1`
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case "$fc_version" in
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*Absoft*)
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AC_MSG_RESULT([-Z790])
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FCFLAGS="$FCFLAGS -Z790"
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;;
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*NAG*)
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AC_MSG_RESULT([-mismatch])
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FCFLAGS="$FCFLAGS -mismatch"
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;;
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*)
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AC_MSG_RESULT([none])
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;;
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esac
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# If we're still good, then save the extra file types. Do this last
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# because it implies tests that should be invoked by the above tests
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# (e.g., running the fortran compiler).
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AS_IF([test $ompi_fc_happy -eq 1],
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[AC_FC_SRCEXT(f)
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AC_FC_SRCEXT(f90)])
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# Per trac #1982, on OS X, we may need some esoteric linker flags
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# in the wrapper compilers. However, per
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# https://github.com/open-mpi/ompi/issues/259, we need to use
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# -Wl,-flat_namespace when *building* the library (and
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# -Wl,-commons,use_dylibs isn't quite sufficient).
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AS_IF([test $ompi_fc_happy -eq 1],
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[AC_MSG_CHECKING([to see if Fortran compilers need additional linker flags])
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case "$host" in
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*apple-darwin*)
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# Test whether -Wl,-flat_namespace works; if it does,
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# both use it to build the libraries, and also put it
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# in the wrapper compiler LDFLAGS.
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LDFLAGS_save=$LDFLAGS
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LDFLAGS="$LDFLAGS -Wl,-flat_namespace"
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AC_LANG_PUSH([Fortran])
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AC_LINK_IFELSE([AC_LANG_SOURCE([[program test
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integer :: i
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end program]])],
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[LDFLAGS_save=$LDFLAGS
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OMPI_FORTRAN_WRAPPER_FLAGS="-Wl,-flat_namespace"
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OPAL_WRAPPER_FLAGS_ADD([FCFLAGS], [$OMPI_FORTRAN_WRAPPER_FLAGS])],
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[OMPI_FORTRAN_WRAPPER_FLAGS=none])
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AC_LANG_POP([Fortran])
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LDFLAGS=$LDFLAGS_save
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AC_MSG_RESULT([$OMPI_FORTRAN_WRAPPER_FLAGS])
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;;
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*)
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AC_MSG_RESULT([none])
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;;
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esac
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])
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# Get our Fortran symbol mangling scheme
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AS_IF([test $ompi_fc_happy -eq 1],
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[OMPI_FORTRAN_FIND_EXT_SYMBOL_CONVENTION])
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# Make sure we can link with C code.
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AS_IF([test $ompi_fc_happy -eq 1],
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[OPAL_LANG_LINK_WITH_C([Fortran], [],
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[cat <<EOF
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**********************************************************************
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It appears that your Fortran compiler is unable to link against
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object files created by your C compiler. This typically indicates
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one of a few possibilities:
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- A conflict between CFLAGS and FCFLAGS
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- A problem with your compiler installation(s)
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- Different default build options between compilers (e.g., C
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building for 32 bit and Fortran building for 64 bit)
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- Incompatible compilers
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Such problems can usually be solved by picking compatible compilers
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and/or CFLAGS and FCFLAGS. More information (including exactly what
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command was given to the compilers and what error resulted when the
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commands were executed) is available in the config.log file in this
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directory.
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**********************************************************************
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EOF
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AC_MSG_ERROR([C and Fortran compilers are not link compatible. Can not continue.])])])
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# Test to see if the Fortran compilers likes the C++ exceptions
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# flags. If it doesn't, just abort. We *could* handle this
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# scenario (e.g., probe the Fortran compiler for what flags would
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# be necessary), but we're kinda assuming that no one will care.
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# If they do, they'll e-mail us.
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AS_IF([test $ompi_fc_happy -eq 1],
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[AC_MSG_CHECKING([to see if Fortran compiler likes the C++ exception flags])
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AS_IF([test "$OMPI_CXX_EXCEPTIONS_CXXFLAGS" = ""],
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[AC_MSG_RESULT([skipped (no C++ exceptions flags)])],
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[FCFLAGS="$FCFLAGS $OMPI_CXX_EXCEPTIONS_CXXFLAGS"
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AC_LANG_PUSH([Fortran])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[
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INTEGER I
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I = 3]])],
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[AC_MSG_RESULT([yes])],
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[AC_MSG_RESULT([no])
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AC_MSG_WARN([C++ exception flags are different between the C and Fortran compilers; this configure script cannot currently handle this scenario. Either disable C++ exception support or send mail to the Open MPI users list.])
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AC_MSG_ERROR([*** Cannot continue])])
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AC_LANG_POP
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])
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])
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# Per #1982, on OS X, we may need some esoteric linker flags in the
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# Fortran wrapper compiler.
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AC_MSG_CHECKING([to see if mpifort compiler needs additional linker flags])
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case "$host" in
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*apple-darwin*)
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# Test whether -Wl,-commons,use_dylibs works; if it does, use it.
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LDFLAGS_save=$LDFLAGS
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LDFLAGS="$LDFLAGS -Wl,-commons,use_dylibs"
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AC_LANG_PUSH([Fortran])
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AC_LINK_IFELSE([AC_LANG_SOURCE([[program test
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integer :: i
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end program]])],
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[OMPI_FORTRAN_WRAPPER_FLAGS="-Wl,-commons,use_dylibs"
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OPAL_WRAPPER_FLAGS_ADD([FCFLAGS], [$OMPI_FORTRAN_WRAPPER_FLAGS])],
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[OMPI_FORTRAN_WRAPPER_FLAGS=none])
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AC_LANG_POP([Fortran])
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LDFLAGS=$LDFLAGS_save
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AC_MSG_RESULT([$OMPI_FORTRAN_WRAPPER_FLAGS])
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;;
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*)
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AC_MSG_RESULT([none])
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;;
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esac
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# All done
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AS_IF([test $ompi_fc_happy -eq 1],
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[$1], [$2])
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OPAL_VAR_SCOPE_POP
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])dnl
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