dnl -*- shell-script -*- dnl dnl Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana dnl University Research and Technology dnl Corporation. All rights reserved. dnl Copyright (c) 2004-2005 The University of Tennessee and The University dnl of Tennessee Research Foundation. All rights dnl reserved. dnl Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, dnl University of Stuttgart. All rights reserved. dnl Copyright (c) 2004-2005 The Regents of the University of California. dnl All rights reserved. dnl Copyright (c) 2010 Cisco Systems, Inc. All rights reserved. dnl $COPYRIGHT$ dnl dnl Additional copyrights may follow dnl dnl $HEADER$ dnl # OMPI_CHECK_FUNC_LIB(func, lib, [action-if-found], [action-if-not-found]) # ------------------------------ # Try to find function func, first with the present LIBS, second with # lib added to LIBS. If func is found with the libraries listed in # LIBS, no modification to LIBS is made. If func is in lib (but not # in LIBS) then lib is added to LIBS. If func is not in lib, then # LIBS is not modified. AC_DEFUN([OMPI_CHECK_FUNC_LIB],[ AS_VAR_PUSHDEF([ompi_var], [ompi_cv_func_lib_$1_$2])dnl AC_CACHE_CHECK([if we need -l$2 for $1], ompi_var, [AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([$1])], [AS_VAR_SET(ompi_var, "no")], [LIBS_save="$LIBS" LIBS="$LIBS -l$2" AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([$1])], [AS_VAR_SET(ompi_var, "yes")], [AS_VAR_SET(ompi_var, "not found")]) LIBS="$LIBS_save"])]) AS_VAR_IF(ompi_var, [yes], [LIBS="$LIBS -l$2"]) # see if we actually have $1. Use AC_CHECK_FUNCS so that it # does the glibc "not implemented" check. Will use the current LIBS, # so will check in -l$2 if we decided we needed it above AC_CHECK_FUNCS([$1], $3, $4) AS_VAR_POPDEF([ompi_var])dnl ])