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1 | # aclocal.m4 - package-specific macros for autoconf |
2 | # |
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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.) |
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8 | # |
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 |
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11 | # the Free Software Foundation; either version 3, or (at your option) |
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12 | # any later version. |
13 | # |
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. |
18 | # |
19 | # You should have received a copy of the GNU General Public License |
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20 | # along with this program; if not, write to the Free Software Foundation. |
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21 | |
22 | dnl DPKG_CACHED_TRY_COMPILE(<description>,<cachevar>,<include>,<program>,<ifyes>,<ifno>) |
23 | define(DPKG_CACHED_TRY_COMPILE,[ |
24 | AC_MSG_CHECKING($1) |
25 | AC_CACHE_VAL($2,[ |
26 | AC_TRY_COMPILE([$3],[$4],[$2=yes],[$2=no]) |
27 | ]) |
28 | if test "x$$2" = xyes; then |
29 | true |
30 | $5 |
31 | else |
32 | true |
33 | $6 |
34 | fi |
35 | ]) |
36 | |
37 | define(ADNS_C_GCCATTRIB,[ |
38 | DPKG_CACHED_TRY_COMPILE(__attribute__((,,)),adns_cv_c_attribute_supported,, |
39 | [extern int testfunction(int x) __attribute__((,,))], |
40 | AC_MSG_RESULT(yes) |
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))], |
44 | AC_MSG_RESULT(yes) |
45 | AC_DEFINE(HAVE_GNUC25_NORETURN), |
46 | AC_MSG_RESULT(no)) |
47 | DPKG_CACHED_TRY_COMPILE(__attribute__((const)),adns_cv_c_attribute_const,, |
48 | [extern int testfunction(int x) __attribute__((const))], |
49 | AC_MSG_RESULT(yes) |
50 | AC_DEFINE(HAVE_GNUC25_CONST), |
51 | AC_MSG_RESULT(no)) |
52 | DPKG_CACHED_TRY_COMPILE(__attribute__((format...)),adns_cv_attribute_format,, |
53 | [extern int testfunction(char *y, ...) __attribute__((format(printf,1,2)))], |
54 | AC_MSG_RESULT(yes) |
55 | AC_DEFINE(HAVE_GNUC25_PRINTFFORMAT), |
56 | AC_MSG_RESULT(no)), |
57 | AC_MSG_RESULT(no)) |
58 | ]) |
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59 | |
60 | define(ADNS_C_GETFUNC,[ |
61 | AC_CHECK_FUNC([$1],,[ |
62 | AC_CHECK_LIB([$2],[$1],[$3],[ |
63 | AC_MSG_ERROR([cannot find library function $1]) |
64 | ]) |
65 | ]) |
66 | ]) |