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-rw-r--r--tools/missing-macros/src/m4/stdint_h.m426
1 files changed, 26 insertions, 0 deletions
diff --git a/tools/missing-macros/src/m4/stdint_h.m4 b/tools/missing-macros/src/m4/stdint_h.m4
new file mode 100644
index 0000000000..b8e3c6cc71
--- /dev/null
+++ b/tools/missing-macros/src/m4/stdint_h.m4
@@ -0,0 +1,26 @@
+# stdint_h.m4 serial 8
+dnl Copyright (C) 1997-2004, 2006, 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 Paul Eggert.
+
+# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
+# doesn't clash with <sys/types.h>, and declares uintmax_t.
+
+AC_DEFUN([gl_AC_HEADER_STDINT_H],
+[
+ AC_CACHE_CHECK([for stdint.h], [gl_cv_header_stdint_h],
+ [AC_TRY_COMPILE(
+ [#include <sys/types.h>
+#include <stdint.h>],
+ [uintmax_t i = (uintmax_t) -1; return !i;],
+ [gl_cv_header_stdint_h=yes],
+ [gl_cv_header_stdint_h=no])])
+ if test $gl_cv_header_stdint_h = yes; then
+ AC_DEFINE_UNQUOTED([HAVE_STDINT_H_WITH_UINTMAX], [1],
+ [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
+ and declares uintmax_t. ])
+ fi
+])