X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Flstat.m4;h=154402762b1c8eba0b29b8adea41556ff26e7811;hb=ef8e4e5cfec5367d1c3c3aedf15408371de20f6d;hp=e93beef3f58fc3b16b296a9f51b2be01322ae914;hpb=a965c0038c4b72af2497d3ec44aeb4587c2478d5;p=gnulib.git

diff --git a/m4/lstat.m4 b/m4/lstat.m4
index e93beef3f..154402762 100644
--- a/m4/lstat.m4
+++ b/m4/lstat.m4
@@ -1,4 +1,4 @@
-#serial 6
+#serial 8
 
 dnl From Jim Meyering.
 dnl Determine whether lstat has the bug that it succeeds when given the
@@ -9,32 +9,19 @@ dnl If it does, then define HAVE_LSTAT_EMPTY_STRING_BUG and arrange to
 dnl compile the wrapper function.
 dnl
 
-AC_DEFUN(jm_FUNC_LSTAT,
+AC_DEFUN([jm_FUNC_LSTAT],
 [
- AC_REQUIRE([AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
- AC_CACHE_CHECK([whether lstat accepts an empty string],
-  jm_cv_func_lstat_empty_string_bug,
-  [AC_TRY_RUN([
-#   include <sys/types.h>
-#   include <sys/stat.h>
-
-    int
-    main ()
-    {
-      struct stat sbuf;
-      exit (lstat ("", &sbuf) ? 1 : 0);
-    }
-	  ],
-	 jm_cv_func_lstat_empty_string_bug=yes,
-	 jm_cv_func_lstat_empty_string_bug=no,
-	 dnl When crosscompiling, assume lstat is broken.
-	 jm_cv_func_lstat_empty_string_bug=yes)
-  ])
-  if test $jm_cv_func_lstat_empty_string_bug = yes; then
-    AC_LIBOBJ([lstat])
-    AC_DEFINE_UNQUOTED(HAVE_LSTAT_EMPTY_STRING_BUG, 1,
-[Define if lstat has the bug that it succeeds when given the zero-length
-   file name argument.  The lstat from SunOS4.1.4 and the Hurd as of 1998-11-01)
-   do this. ])
+  AC_FUNC_LSTAT
+  dnl Note: AC_FUNC_LSTAT does AC_LIBOBJ(lstat).
+  if test $ac_cv_func_lstat_empty_string_bug = yes; then
+    gl_PREREQ_LSTAT
   fi
 ])
+
+# Prerequisites of lib/lstat.c.
+AC_DEFUN([gl_PREREQ_LSTAT],
+[
+  AC_REQUIRE([AC_HEADER_STAT])
+  AC_CHECK_HEADERS_ONCE(stdlib.h)
+  AC_CHECK_DECLS_ONCE(free)
+])