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authorVincent Torri <vincent.torri@gmail.com>2010-01-04 18:45:40 +0000
committerVincent Torri <vincent.torri@gmail.com>2010-01-04 18:45:40 +0000
commit2a1b159536aa73770a769ee32c06f47515a86b69 (patch)
tree42874be2b49b0294ef8751c61fedb7419f0ea308 /legacy/emotion/m4/ac_attribute.m4
parenta4b0afb1e4b467a1ce7c605095b7da5cb01db275 (diff)
* enable static build of modules
* clean up autotools * remove some warnings issues: * vlc backend can not be built on my computer(API change in libvlc, it seems) * when i build xine *and* gstreamer as static, i get a multiple defined of __eina_module_init and __eina_module_shutdown SVN revision: 44884
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1dnl Copyright (C) 2004-2008 Kim Woelders
2dnl Copyright (C) 2008 Vincent Torri <vtorri at univ-evry dot fr>
3dnl That code is public domain and can be freely used or copied.
4dnl Originally snatched from somewhere...
5
6dnl Macro for checking if the compiler supports __attribute__
7
8dnl Usage: AC_C___ATTRIBUTE__
9dnl call AC_DEFINE for HAVE___ATTRIBUTE__ and __UNUSED__
10dnl if the compiler supports __attribute__, HAVE___ATTRIBUTE__ is
11dnl defined to 1 and __UNUSED__ is defined to __attribute__((unused))
12dnl otherwise, HAVE___ATTRIBUTE__ is not defined and __UNUSED__ is
13dnl defined to nothing.
14
15AC_DEFUN([AC_C___ATTRIBUTE__],
16[
17
18AC_MSG_CHECKING([for __attribute__])
19
20AC_CACHE_VAL([ac_cv___attribute__],
21 [AC_TRY_COMPILE(
22 [
23#include <stdlib.h>
24
25int func(int x);
26int foo(int x __attribute__ ((unused)))
27{
28 exit(1);
29}
30 ],
31 [],
32 [ac_cv___attribute__="yes"],
33 [ac_cv___attribute__="no"]
34 )]
35)
36
37AC_MSG_RESULT($ac_cv___attribute__)
38
39if test "x${ac_cv___attribute__}" = "xyes" ; then
40 AC_DEFINE([HAVE___ATTRIBUTE__], [1], [Define to 1 if your compiler has __attribute__])
41 AC_DEFINE([__UNUSED__], [__attribute__((unused))], [Macro declaring a function argument to be unused])
42 else
43 AC_DEFINE([__UNUSED__], [], [Macro declaring a function argument to be unused])
44fi
45
46])