1 # aclocal.m4 - package-specific macros for autoconf
3 # This file is part of adns, which is
4 # Copyright (C) 1997-2000,2003,2006 Ian Jackson
5 # Copyright (C) 1999-2000,2003,2006 Tony Finch
6 # Copyright (C) 1991 Massachusetts Institute of Technology
7 # (See the file INSTALL for full details.)
9 # This program is free software; you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation; either version 2, or (at your option)
14 # This program is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with this program; if not, write to the Free Software Foundation,
21 # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 dnl DPKG_CACHED_TRY_COMPILE(<description>,<cachevar>,<include>,<program>,<ifyes>,<ifno>)
24 define(DPKG_CACHED_TRY_COMPILE,[
27 AC_TRY_COMPILE([$3],[$4],[$2=yes],[$2=no])
29 if test "x$$2" = xyes; then
38 define(ADNS_C_GCCATTRIB,[
39 DPKG_CACHED_TRY_COMPILE(__attribute__((,,)),adns_cv_c_attribute_supported,,
40 [extern int testfunction(int x) __attribute__((,,))],
42 AC_DEFINE(HAVE_GNUC25_ATTRIB)
43 DPKG_CACHED_TRY_COMPILE(__attribute__((noreturn)),adns_cv_c_attribute_noreturn,,
44 [extern int testfunction(int x) __attribute__((noreturn))],
46 AC_DEFINE(HAVE_GNUC25_NORETURN),
48 DPKG_CACHED_TRY_COMPILE(__attribute__((const)),adns_cv_c_attribute_const,,
49 [extern int testfunction(int x) __attribute__((const))],
51 AC_DEFINE(HAVE_GNUC25_CONST),
53 DPKG_CACHED_TRY_COMPILE(__attribute__((format...)),adns_cv_attribute_format,,
54 [extern int testfunction(char *y, ...) __attribute__((format(printf,1,2)))],
56 AC_DEFINE(HAVE_GNUC25_PRINTFFORMAT),
61 define(ADNS_C_GETFUNC,[
63 AC_CHECK_LIB([$2],[$1],[$3],[
64 AC_MSG_ERROR([cannot find library function $1])