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1 | # aclocal.m4 - package-specific macros for autoconf |
2 | # |
3 | # This file is part of adns, which is Copyright (C) 1997-1999 Ian Jackson |
4 | # |
5 | # This program is free software; you can redistribute it and/or modify |
6 | # it under the terms of the GNU General Public License as published by |
7 | # the Free Software Foundation; either version 2, or (at your option) |
8 | # any later version. |
9 | # |
10 | # This program is distributed in the hope that it will be useful, |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | # GNU General Public License for more details. |
14 | # |
15 | # You should have received a copy of the GNU General Public License |
16 | # along with this program; if not, write to the Free Software Foundation, |
17 | # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
18 | |
19 | dnl DPKG_CACHED_TRY_COMPILE(<description>,<cachevar>,<include>,<program>,<ifyes>,<ifno>) |
20 | define(DPKG_CACHED_TRY_COMPILE,[ |
21 | AC_MSG_CHECKING($1) |
22 | AC_CACHE_VAL($2,[ |
23 | AC_TRY_COMPILE([$3],[$4],[$2=yes],[$2=no]) |
24 | ]) |
25 | if test "x$$2" = xyes; then |
26 | true |
27 | $5 |
28 | else |
29 | true |
30 | $6 |
31 | fi |
32 | ]) |
33 | |
34 | define(ADNS_C_GCCATTRIB,[ |
35 | DPKG_CACHED_TRY_COMPILE(__attribute__((,,)),adns_cv_c_attribute_supported,, |
36 | [extern int testfunction(int x) __attribute__((,,))], |
37 | AC_MSG_RESULT(yes) |
38 | AC_DEFINE(HAVE_GNUC25_ATTRIB) |
39 | DPKG_CACHED_TRY_COMPILE(__attribute__((noreturn)),adns_cv_c_attribute_noreturn,, |
40 | [extern int testfunction(int x) __attribute__((noreturn))], |
41 | AC_MSG_RESULT(yes) |
42 | AC_DEFINE(HAVE_GNUC25_NORETURN), |
43 | AC_MSG_RESULT(no)) |
44 | DPKG_CACHED_TRY_COMPILE(__attribute__((const)),adns_cv_c_attribute_const,, |
45 | [extern int testfunction(int x) __attribute__((const))], |
46 | AC_MSG_RESULT(yes) |
47 | AC_DEFINE(HAVE_GNUC25_CONST), |
48 | AC_MSG_RESULT(no)) |
49 | DPKG_CACHED_TRY_COMPILE(__attribute__((format...)),adns_cv_attribute_format,, |
50 | [extern int testfunction(char *y, ...) __attribute__((format(printf,1,2)))], |
51 | AC_MSG_RESULT(yes) |
52 | AC_DEFINE(HAVE_GNUC25_PRINTFFORMAT), |
53 | AC_MSG_RESULT(no)), |
54 | AC_MSG_RESULT(no)) |
55 | ]) |
8b5269f2 |
56 | |
57 | define(ADNS_C_GETFUNC,[ |
58 | AC_CHECK_FUNC([$1],,[ |
59 | AC_CHECK_LIB([$2],[$1],[$3],[ |
60 | AC_MSG_ERROR([cannot find library function $1]) |
61 | ]) |
62 | ]) |
63 | ]) |