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Diffstat (limited to 'tools/missing-macros/src/m4/intmax.m4')
| -rw-r--r-- | tools/missing-macros/src/m4/intmax.m4 | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tools/missing-macros/src/m4/intmax.m4 b/tools/missing-macros/src/m4/intmax.m4 new file mode 100644 index 0000000000..74aaaf5ed6 --- /dev/null +++ b/tools/missing-macros/src/m4/intmax.m4 @@ -0,0 +1,33 @@ +# intmax.m4 serial 5 (gettext-0.18) +dnl Copyright (C) 2002-2005, 2008-2010 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +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([gl_AC_HEADER_INTTYPES_H]) + AC_REQUIRE([gl_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; + return !x;], + [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 +]) |