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Diffstat (limited to 'm4/intmax.m4')
| -rw-r--r-- | m4/intmax.m4 | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/m4/intmax.m4 b/m4/intmax.m4 new file mode 100644 index 000000000..dfb08ccc9 --- /dev/null +++ b/m4/intmax.m4 @@ -0,0 +1,32 @@ +# intmax.m4 serial 1 (gettext-0.12) +dnl Copyright (C) 2002-2003 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +dnl From Bruno Haible. +dnl Test whether the system has the 'intmax_t' type, but don't attempt to +dnl find a replacement if it is lacking. + +AC_DEFUN([gt_TYPE_INTMAX_T], +[ + AC_REQUIRE([jm_AC_HEADER_INTTYPES_H]) + AC_REQUIRE([jm_AC_HEADER_STDINT_H]) + AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t, + [AC_TRY_COMPILE([ +#include <stddef.h> +#include <stdlib.h> +#if HAVE_STDINT_H_WITH_UINTMAX +#include <stdint.h> +#endif +#if HAVE_INTTYPES_H_WITH_UINTMAX +#include <inttypes.h> +#endif +], [intmax_t x = -1;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)]) + if test $gt_cv_c_intmax_t = yes; then + AC_DEFINE(HAVE_INTMAX_T, 1, + [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.]) + fi +]) |