1# $Id: dllibs.m4,v 1.1 2005/09/29 16:36:42 jonz Exp $
2# m4/dl.m4
3#
4#   DS_DLLIBS([libs_out], [action-if-found], [action-if-not-found])
5#
6#   Search for additional libraries containing dlopen().
7#
8#   Typically, this is either -ldl or libc
9#
10AC_DEFUN([DS_DLLIBS],
11[
12    AS_VAR_PUSHDEF([save_LIBS], [ds_dllibs_save_LIBS])
13    AS_VAR_PUSHDEF([dllibs], [ds_dllibs_dllibs])
14    AS_VAR_PUSHDEF([success], [ds_dllibs_success])
15
16    save_LIBS="$LIBS"
17    LIBS=''
18    success=yes
19
20    AC_SEARCH_LIBS([dlopen], [dl], [success=yes], [success=no])
21
22    dllibs="$LIBS"
23    LIBS="$save_LIBS"
24
25    AS_VAR_POPDEF([save_LIBS])
26    AS_VAR_POPDEF([dllibs])
27    AS_VAR_POPDEF([success])
28
29    if test x"$ds_dllibs_success" = xyes
30    then
31        ifelse([$1], [], [:], [$1="$ds_dllibs_dllibs"])
32        ifelse([$2], [], [:], [$2])
33    else
34        ifelse([$3], [], [:], [$3])
35    fi
36])
37