52 строки
2.2 KiB
Bash
52 строки
2.2 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) 2004-2005 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) 2010-2013 Cisco Systems, Inc. All rights reserved.
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dnl Copyright (c) 2014 Intel, 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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# OPAL_CHECK_FUNC_LIB(func, lib, [action-if-found], [action-if-not-found])
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# ------------------------------
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# Try to find function func, first with the present LIBS, second with
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# lib added to LIBS. If func is found with the libraries listed in
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# LIBS, no modification to LIBS is made. If func is in lib (but not
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# in LIBS) then lib is added to LIBS. If func is not in lib, then
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# LIBS is not modified.
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AC_DEFUN([OPAL_CHECK_FUNC_LIB],[
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OPAL_VAR_SCOPE_PUSH([LIBS_save])
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AS_VAR_PUSHDEF([opal_var], [opal_cv_func_lib_$1_$2])dnl
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AC_CACHE_CHECK([if we need -l$2 for $1],
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opal_var,
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[AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([$1])],
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[AS_VAR_SET(opal_var, "no")],
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[LIBS_save="$LIBS"
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LIBS="$LIBS -l$2"
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AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([$1])],
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[AS_VAR_SET(opal_var, "yes")],
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[AS_VAR_SET(opal_var, "not found")])
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LIBS="$LIBS_save"])])
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AS_VAR_IF(opal_var, [yes],
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[LIBS="$LIBS -l$2"])
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# see if we actually have $1. Use AC_CHECK_FUNCS so that it
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# does the glibc "not implemented" check. Will use the current LIBS,
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# so will check in -l$2 if we decided we needed it above
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AC_CHECK_FUNCS([$1], $3, $4)
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AS_VAR_POPDEF([opal_var])dnl
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OPAL_VAR_SCOPE_POP
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])
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