Adding upstream version 1.21.3.upstream/1.21.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/m4/stdint_h.m4 b/m4/stdint_h.m4
new file mode 100644
index 0000000..b8684b6
--- /dev/null
+++ b/m4/stdint_h.m4
@@ -0,0 +1,27 @@
+# stdint_h.m4 serial 9
+dnl Copyright (C) 1997-2004, 2006, 2008-2022 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_COMPILE_IFELSE(
+       [AC_LANG_PROGRAM(
+          [[#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
+])