summaryrefslogtreecommitdiffstats
path: root/gl/m4/intmax.m4
diff options
context:
space:
mode:
Diffstat (limited to 'gl/m4/intmax.m4')
-rw-r--r--gl/m4/intmax.m436
1 files changed, 36 insertions, 0 deletions
diff --git a/gl/m4/intmax.m4 b/gl/m4/intmax.m4
new file mode 100644
index 0000000..18733a5
--- /dev/null
+++ b/gl/m4/intmax.m4
@@ -0,0 +1,36 @@
+# intmax.m4 serial 6 (gettext-0.18.2)
+dnl Copyright (C) 2002-2005, 2008-2013 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_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
+#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
+])