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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 | ]) |