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[vlc.git] / m4 / inttypes_h.m4
1 # inttypes_h.m4 serial 10
2 dnl Copyright (C) 1997-2004, 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.
6
7 dnl From Paul Eggert.
8
9 # Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
10 # doesn't clash with <sys/types.h>, and declares uintmax_t.
11
12 AC_DEFUN([gl_AC_HEADER_INTTYPES_H],
13 [
14   AC_CACHE_CHECK([for inttypes.h], [gl_cv_header_inttypes_h],
15     [AC_COMPILE_IFELSE(
16        [AC_LANG_PROGRAM(
17           [[
18 #include <sys/types.h>
19 #include <inttypes.h>
20           ]],
21           [[uintmax_t i = (uintmax_t) -1; return !i;]])],
22        [gl_cv_header_inttypes_h=yes],
23        [gl_cv_header_inttypes_h=no])])
24   if test $gl_cv_header_inttypes_h = yes; then
25     AC_DEFINE_UNQUOTED([HAVE_INTTYPES_H_WITH_UINTMAX], [1],
26       [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
27        and declares uintmax_t. ])
28   fi
29 ])