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 3, 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.
22 dnl DPKG_CACHED_TRY_COMPILE(<description>,<cachevar>,<include>,<program>,<ifyes>,<ifno>)
23 define(DPKG_CACHED_TRY_COMPILE,[
26 AC_TRY_COMPILE([$3],[$4],[$2=yes],[$2=no])
28 if test "x$$2" = xyes; then
37 define(ADNS_C_GCCATTRIB,[
38 DPKG_CACHED_TRY_COMPILE(__attribute__((,,)),adns_cv_c_attribute_supported,,
39 [extern int testfunction(int x) __attribute__((,,))],
41 AC_DEFINE(HAVE_GNUC25_ATTRIB)
42 DPKG_CACHED_TRY_COMPILE(__attribute__((noreturn)),adns_cv_c_attribute_noreturn,,
43 [extern int testfunction(int x) __attribute__((noreturn))],
45 AC_DEFINE(HAVE_GNUC25_NORETURN),
47 DPKG_CACHED_TRY_COMPILE(__attribute__((const)),adns_cv_c_attribute_const,,
48 [extern int testfunction(int x) __attribute__((const))],
50 AC_DEFINE(HAVE_GNUC25_CONST),
52 DPKG_CACHED_TRY_COMPILE(__attribute__((format...)),adns_cv_attribute_format,,
53 [extern int testfunction(char *y, ...) __attribute__((format(printf,1,2)))],
55 AC_DEFINE(HAVE_GNUC25_PRINTFFORMAT),
60 define(ADNS_C_GETFUNC,[
62 AC_CHECK_LIB([$2],[$1],[$3],[
63 AC_MSG_ERROR([cannot find library function $1])