3 dnl Copyright (C) 2002 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
5 dnl This program is free software; you can redistribute it and/or modify
6 dnl it under the terms of the GNU General Public License as published by
7 dnl the Free Software Foundation; version 2 of the License.
9 dnl This program is distributed in the hope that it will be useful,
10 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
11 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 dnl GNU General Public License for more details.
14 dnl You should have received a copy of the GNU General Public License
15 dnl along with this program; if not, write to the Free Software
16 dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 dnl Usage: ENSC_ENABLE_DIETLIBC(<conditional>)
19 dnl <conditional> ... automake-conditional which will be set when
20 dnl dietlibc shall be enabled
22 AC_DEFUN(ENSC_ENABLE_DIETLIBC,
24 AC_MSG_CHECKING([whether to enable dietlibc])
25 AC_ARG_ENABLE([dietlibc],
26 [AC_HELP_STRING([--disable-dietlibc],
27 [do not use dietlibc (default: use dietlibc)])],
29 yes) use_dietlibc=forced;;
30 no) use_dietlibc=forced_no;;
31 *) AC_MSG_ERROR(['$withval' is not a valid value for --enable-dietlibc]);;
34 which "$DIET" >/dev/null 2>/dev/null && use_dietlibc=detected || use_dietlibc=detected_no])
36 case x"$use_dietlibc" in
38 AM_CONDITIONAL($1, true)
39 AC_MSG_RESULT([yes (autodetected)])
42 AM_CONDITIONAL($1, true)
43 AC_MSG_RESULT([yes (forced)])
46 AM_CONDITIONAL($1, false)
47 AC_MSG_RESULT([no (detected)])
50 AM_CONDITIONAL($1, false)
51 AC_MSG_RESULT([no (forced)])
54 AC_MSG_ERROR([internal error, use_dietlibc was "$use_dietlibc"])