Commit | Line | Data |
---|---|---|
9157d901 | 1 | # inttypes_h.m4 serial 10 |
f0007cad | 2 | dnl Copyright (C) 1997-2004, 2006, 2008-2012 Free Software Foundation, Inc. |
c4b681fd LC |
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], | |
9157d901 LC |
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])]) | |
c4b681fd LC |
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 | ]) |