1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
# aclocal.m4 - package-specific macros for autoconf
#
# This file is part of adns, which is
# Copyright (C) 1997-2000,2003,2006,2014 Ian Jackson
# Copyright (C) 2014 Mark Wooding
# Copyright (C) 1999-2000,2003,2006 Tony Finch
# Copyright (C) 1991 Massachusetts Institute of Technology
# (See the file INSTALL for full details.)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation.
dnl DPKG_CACHED_TRY_COMPILE(<description>,<cachevar>,<include>,<program>,<ifyes>,<ifno>)
define(DPKG_CACHED_TRY_COMPILE,[
AC_MSG_CHECKING($1)
AC_CACHE_VAL($2,[
AC_TRY_COMPILE([$3],[$4],[$2=yes],[$2=no])
])
if test "x$$2" = xyes; then
true
$5
else
true
$6
fi
])
define(ADNS_C_GCCATTRIB,[
DPKG_CACHED_TRY_COMPILE(__attribute__((,,)),adns_cv_c_attribute_supported,,
[extern int testfunction(int x) __attribute__((,,))],
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GNUC25_ATTRIB)
DPKG_CACHED_TRY_COMPILE(__attribute__((noreturn)),adns_cv_c_attribute_noreturn,,
[extern int testfunction(int x) __attribute__((noreturn))],
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GNUC25_NORETURN),
AC_MSG_RESULT(no))
DPKG_CACHED_TRY_COMPILE(__attribute__((const)),adns_cv_c_attribute_const,,
[extern int testfunction(int x) __attribute__((const))],
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GNUC25_CONST),
AC_MSG_RESULT(no))
DPKG_CACHED_TRY_COMPILE(__attribute__((format...)),adns_cv_attribute_format,,
[extern int testfunction(char *y, ...) __attribute__((format(printf,1,2)))],
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GNUC25_PRINTFFORMAT),
AC_MSG_RESULT(no)),
AC_MSG_RESULT(no))
])
define(ADNS_C_GETFUNC,[
AC_CHECK_FUNC([$1],,[
AC_CHECK_LIB([$2],[$1],[$3],[
AC_MSG_ERROR([cannot find library function $1])
])
])
])
|
