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# -*- shell-script -*-
#
# Copyright (c) 2011 Mellanox Technologies. All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
# OMPI_CHECK_FCA(prefix, [action-if-found], [action-if-not-found])
# --------------------------------------------------------
# check if fca support can be found. sets prefix_{CPPFLAGS,
# LDFLAGS, LIBS} as needed and runs action-if-found if there is
# support, otherwise executes action-if-not-found
AC_DEFUN([OMPI_CHECK_FCA],[
AC_ARG_WITH([fca],
[AC_HELP_STRING([--with-fca(=DIR)],
[Build fca (Mellanox Fabric Collective Accelerator) support, searching for libraries in DIR])])
OMPI_CHECK_WITHDIR([fca], [$with_fca], [lib/libfca.so])
AS_IF([test "$with_fca" != "no"],
[AS_IF([test ! -z "$with_fca" -a "$with_fca" != "yes"],
[ompi_check_fca_dir="$with_fca"
ompi_check_fca_libdir="$ompi_check_fca_dir/lib"
ompi_check_fca_incdir="$ompi_check_fca_dir/include"
ompi_check_fca_libs="fca"
CPPFLAGS_save="$CPPFLAGS"
LDFLAGS_save="$LDFLAGS"
LIBS_save="$LIBS"
CPPFLAGS="$CPPFLAGS -I$ompi_check_fca_dir/include/fca -I$ompi_check_fca_dir/include/fca_core"
OMPI_LOG_MSG([$1_CPPFLAGS : $$1_CPPFLAGS], 1)
OMPI_LOG_MSG([$1_LDFLAGS : $$1_LDFLAGS], 1)
OMPI_LOG_MSG([$1_LIBS : $$1_LIBS], 1)
OMPI_CHECK_PACKAGE([$1],
[fca_api.h],
[$ompi_check_fca_libs],
[fca_get_version],
[-l$ompi_check_fca_libs],
[$ompi_check_fca_dir],
[$ompi_check_fca_libdir],
[ompi_check_fca_happy="yes"],
[ompi_check_fca_happy="no"])
CPPFLAGS="$CPPFLAGS_save"
LDFLAGS="$LDFLAGS_save"
LIBS="$LIBS_save"],
[ompi_check_fca_happy="no"])])
AS_IF([test "$ompi_check_fca_happy" = "yes" -a "$enable_progress_threads" = "yes"],
[AC_MSG_WARN([fca driver does not currently support progress threads. Disabling FCA.])
ompi_check_fca_happy="no"])
AS_IF([test "$ompi_check_fca_happy" = "yes"],
[$2],
[AS_IF([test ! -z "$with_fca" -a "$with_fca" != "no"],
[AC_MSG_ERROR([FCA support requested but not found. Aborting])])
$3])
])
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