Do something useful when users attempt to become themselves.
[become] / aclocal.m4
1 dnl -*-fundamental-*-
2 dnl
3 dnl $Id: aclocal.m4,v 1.2 1997/08/04 10:24:19 mdw Exp $
4 dnl
5 dnl Configuration macros for `become'
6 dnl
7 dnl (c) 1997 Mark Wooding
8 dnl
9
10 dnl----- Licensing notice ---------------------------------------------------
11 dnl
12 dnl This file is part of `become'
13 dnl
14 dnl `Become' is free software; you can redistribute it and/or modify
15 dnl it under the terms of the GNU General Public License as published by
16 dnl the Free Software Foundation; either version 2 of the License, or
17 dnl (at your option) any later version.
18 dnl
19 dnl `Become' is distributed in the hope that it will be useful,
20 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
21 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 dnl GNU General Public License for more details.
23 dnl
24 dnl You should have received a copy of the GNU General Public License
25 dnl along with `become'; if not, write to the Free Software Foundation,
26 dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27
28 dnl----- Revision history ---------------------------------------------------
29 dnl
30 dnl $Log: aclocal.m4,v $
31 dnl Revision 1.2 1997/08/04 10:24:19 mdw
32 dnl Sources placed under CVS control.
33 dnl
34
35 dnl MDW_CHECK_MANYLIBS(FUNC, LIBS, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
36 dnl
37 dnl Tries to find FUNC in one of the space-separated libraries given in LIBS.
38 dnl The first one to match is added to the LIBS variable.
39
40 AC_DEFUN(MDW_CHECK_MANYLIBS,[
41 AC_CACHE_CHECK([for library containing $1], [mdw_cv_lib_$1],
42 [mdw_save_LIBS="$LIBS"
43 mdw_cv_lib_$1="no"
44 AC_TRY_LINK(,[$1()], [mdw_cv_lib_$1="none required"])
45 test "$mdw_cv_lib_$1" = "no" && for i in $2; do
46 LIBS="-l$i $mdw_save_LIBS"
47 AC_TRY_LINK(,[$1()],
48 [mdw_cv_lib_$1="-l$i"
49 break])
50 done
51 LIBS="$mdw_save_LIBS"])
52 if test "$mdw_cv_lib_$1" != "no"; then
53 test "$mdw_cv_lib_$1" = "none required" || LIBS="$mdw_cv_lib_$1 $LIBS"
54 $3
55 else
56 :
57 $4
58 fi])
59
60 dnl----- That's all, folks --------------------------------------------------