demux:mkv: do not try to use a seekpoint for a track that doesn't exist
[vlc.git] / m4 / inttypes-pri.m4
blob00251e1dbf487ceaf58c48c925da23312bee5cf4
1 # inttypes-pri.m4 serial 7 (gettext-0.18.2)
2 dnl Copyright (C) 1997-2002, 2006, 2008-2014 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 dnl From Bruno Haible.
9 AC_PREREQ([2.53])
11 # Define PRI_MACROS_BROKEN if <inttypes.h> exists and defines the PRI*
12 # macros to non-string values.  This is the case on AIX 4.3.3.
14 AC_DEFUN([gt_INTTYPES_PRI],
16   AC_CHECK_HEADERS([inttypes.h])
17   if test $ac_cv_header_inttypes_h = yes; then
18     AC_CACHE_CHECK([whether the inttypes.h PRIxNN macros are broken],
19       [gt_cv_inttypes_pri_broken],
20       [
21         AC_COMPILE_IFELSE(
22           [AC_LANG_PROGRAM(
23              [[
24 #include <inttypes.h>
25 #ifdef PRId32
26 char *p = PRId32;
27 #endif
28              ]],
29              [[]])],
30           [gt_cv_inttypes_pri_broken=no],
31           [gt_cv_inttypes_pri_broken=yes])
32       ])
33   fi
34   if test "$gt_cv_inttypes_pri_broken" = yes; then
35     AC_DEFINE_UNQUOTED([PRI_MACROS_BROKEN], [1],
36       [Define if <inttypes.h> exists and defines unusable PRI* macros.])
37     PRI_MACROS_BROKEN=1
38   else
39     PRI_MACROS_BROKEN=0
40   fi
41   AC_SUBST([PRI_MACROS_BROKEN])