Imported Upstream version 1.3.9

[debian/gzip] / m4 / sys_stat_h.m4

diff --git a/m4/sys_stat_h.m4 b/m4/sys_stat_h.m4
new file mode 100644 (file)
index 0000000..9ca1311
--- /dev/null
+++ b/m4/sys_stat_h.m4
@@ -0,0 +1,32 @@
+# sys_stat_h.m4 serial 4   -*- Autoconf -*-
+dnl Copyright (C) 2006 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 Eric Blake.
+dnl Test whether <sys/stat.h> contains lstat and mkdir or must be substituted.
+
+AC_DEFUN([gl_HEADER_SYS_STAT_H],
+[
+  dnl Check for lstat.  Systems that lack it (mingw) also lack symlinks, so
+  dnl stat is a good replacement.
+  AC_CHECK_FUNCS_ONCE([lstat])
+
+  dnl Check for mkdir.  Mingw has _mkdir(name) in the nonstandard <io.h>
+  dnl instead.
+  AC_CHECK_DECLS([mkdir],
+    [],
+    [AC_CHECK_HEADERS([io.h])],
+    [#include <sys/stat.h>])
+  AC_REQUIRE([AC_C_INLINE])
+
+  dnl Check for broken stat macros.
+  AC_REQUIRE([AC_HEADER_STAT])
+
+  gl_ABSOLUTE_HEADER([sys/stat.h])
+  ABSOLUTE_SYS_STAT_H=\"$gl_cv_absolute_sys_stat_h\"
+  AC_SUBST([ABSOLUTE_SYS_STAT_H])
+  SYS_STAT_H='sys/stat.h'
+  AC_SUBST([SYS_STAT_H])
+]) # gl_HEADER_SYS_STAT_H