diff options
Diffstat (limited to 'm4/stdint_h.m4')
-rw-r--r-- | m4/stdint_h.m4 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/m4/stdint_h.m4 b/m4/stdint_h.m4 new file mode 100644 index 0000000..7fc2ce9 --- /dev/null +++ b/m4/stdint_h.m4 | |||
@@ -0,0 +1,27 @@ | |||
1 | # stdint_h.m4 serial 9 | ||
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_STDINT_H_WITH_UINTMAX if <stdint.h> exists, | ||
10 | # doesn't clash with <sys/types.h>, and declares uintmax_t. | ||
11 | |||
12 | AC_DEFUN([gl_AC_HEADER_STDINT_H], | ||
13 | [ | ||
14 | AC_CACHE_CHECK([for stdint.h], [gl_cv_header_stdint_h], | ||
15 | [AC_COMPILE_IFELSE( | ||
16 | [AC_LANG_PROGRAM( | ||
17 | [[#include <sys/types.h> | ||
18 | #include <stdint.h>]], | ||
19 | [[uintmax_t i = (uintmax_t) -1; return !i;]])], | ||
20 | [gl_cv_header_stdint_h=yes], | ||
21 | [gl_cv_header_stdint_h=no])]) | ||
22 | if test $gl_cv_header_stdint_h = yes; then | ||
23 | AC_DEFINE_UNQUOTED([HAVE_STDINT_H_WITH_UINTMAX], [1], | ||
24 | [Define if <stdint.h> exists, doesn't clash with <sys/types.h>, | ||
25 | and declares uintmax_t. ]) | ||
26 | fi | ||
27 | ]) | ||