Add CVS checkout update instructions.

[gnulib.git] / m4 / sys_stat_h.m4

diff --git a/m4/sys_stat_h.m4 b/m4/sys_stat_h.m4
index bf9bb95..1bc08a1 100644 (file)
--- a/m4/sys_stat_h.m4
+++ b/m4/sys_stat_h.m4
@@ -1,5 +1,5 @@
-# sys_stat_h.m4 serial 3   -*- Autoconf -*-
-dnl Copyright (C) 2006 Free Software Foundation, Inc.
+# sys_stat_h.m4 serial 6   -*- Autoconf -*-
+dnl Copyright (C) 2006-2007 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.
@@ -12,25 +12,37 @@ 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])
+  if test $ac_cv_func_lstat = yes; then
+    HAVE_LSTAT=1
+  else
+    HAVE_LSTAT=0
+  fi
+  AC_SUBST([HAVE_LSTAT])
 
   dnl Check for mkdir.  Mingw has _mkdir(name) in the nonstandard <io.h>
   dnl instead.
-  AC_CHECK_DECLS([mkdir], [], [], [#include <sys/stat.h>])
+  AC_CHECK_DECLS([mkdir],
+    [],
+    [AC_CHECK_HEADERS([io.h])],
+    [#include <sys/stat.h>])
+  if test $ac_cv_have_decl_mkdir = yes; then
+    HAVE_DECL_MKDIR=1
+  else
+    HAVE_DECL_MKDIR=0
+  fi
+  AC_SUBST([HAVE_DECL_MKDIR])
+  if test "$ac_cv_header_io_h" = yes; then
+    HAVE_IO_H=1
+  else
+    HAVE_IO_H=0
+  fi
+  AC_SUBST([HAVE_IO_H])
+  AC_REQUIRE([AC_C_INLINE])
 
   dnl Check for broken stat macros.
   AC_REQUIRE([AC_HEADER_STAT])
 
-  SYS_STAT_H=
-  if test $ac_cv_func_lstat:$ac_cv_have_decl_mkdir:$ac_cv_header_stat_broken \
-      != yes:yes:no ; then
-    gl_ABSOLUTE_HEADER([sys/stat.h])
-    ABSOLUTE_SYS_STAT_H=\"$gl_cv_absolute_sys_stat_h\"
-    AC_CHECK_HEADERS([io.h])
-    AC_REQUIRE([AC_C_INLINE])
-    SYS_STAT_H='sys/stat.h'
-  else
-    ABSOLUTE_SYS_STAT_H=\"no/such/file/sys/stat.h\"
-  fi
-  AC_SUBST([ABSOLUTE_SYS_STAT_H])
+  gl_CHECK_NEXT_HEADERS([sys/stat.h])
+  SYS_STAT_H='sys/stat.h'
   AC_SUBST([SYS_STAT_H])
 ]) # gl_HEADER_SYS_STAT_H