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Diffstat (limited to 'm4/intmax.m4')
-rw-r--r-- | m4/intmax.m4 | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/m4/intmax.m4 b/m4/intmax.m4 new file mode 100644 index 0000000..f70ceee --- /dev/null +++ b/m4/intmax.m4 | |||
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1 | # intmax.m4 serial 6 (gettext-0.18.2) | ||
2 | dnl Copyright (C) 2002-2005, 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 Bruno Haible. | ||
8 | dnl Test whether the system has the 'intmax_t' type, but don't attempt to | ||
9 | dnl find a replacement if it is lacking. | ||
10 | |||
11 | AC_DEFUN([gt_TYPE_INTMAX_T], | ||
12 | [ | ||
13 | AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) | ||
14 | AC_REQUIRE([gl_AC_HEADER_STDINT_H]) | ||
15 | AC_CACHE_CHECK([for intmax_t], [gt_cv_c_intmax_t], | ||
16 | [AC_COMPILE_IFELSE( | ||
17 | [AC_LANG_PROGRAM( | ||
18 | [[ | ||
19 | #include <stddef.h> | ||
20 | #include <stdlib.h> | ||
21 | #if HAVE_STDINT_H_WITH_UINTMAX | ||
22 | #include <stdint.h> | ||
23 | #endif | ||
24 | #if HAVE_INTTYPES_H_WITH_UINTMAX | ||
25 | #include <inttypes.h> | ||
26 | #endif | ||
27 | ]], | ||
28 | [[intmax_t x = -1; | ||
29 | return !x;]])], | ||
30 | [gt_cv_c_intmax_t=yes], | ||
31 | [gt_cv_c_intmax_t=no])]) | ||
32 | if test $gt_cv_c_intmax_t = yes; then | ||
33 | AC_DEFINE([HAVE_INTMAX_T], [1], | ||
34 | [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.]) | ||
35 | fi | ||
36 | ]) | ||