X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Flstat.m4;h=4e0cfefc440f2f27c68e7dfcbdba92397aaaccb7;hb=d2b42b931376d8d7a7f7e0735f1cc666529f6925;hp=bb2f75415f44d12394cec04b866a2bf472966d4e;hpb=4f3c9c7672c45db7693c5efebb0d3f06d0ab993f;p=gnulib.git

diff --git a/m4/lstat.m4 b/m4/lstat.m4
index bb2f75415..4e0cfefc4 100644
--- a/m4/lstat.m4
+++ b/m4/lstat.m4
@@ -1,20 +1,19 @@
-#serial 1
+#serial 6
 
 dnl From Jim Meyering.
 dnl Determine whether lstat has the bug that it succeeds when given the
-dnl zero-length file name argument.  The lstat from SunOS4.1.4 does this.
+dnl zero-length file name argument.  The lstat from SunOS4.1.4 and the Hurd
+dnl (as of 1998-11-01) do this.
 dnl
-dnl If it doesn't, arrange to use the replacement function.
-dnl
-dnl If you use this macro in a package, you should
-dnl add the following two lines to acconfig.h:
-dnl  /* Define to rpl_lstat if the replacement function should be used.  */
-dnl  #undef lstat
+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_CACHE_CHECK([for working lstat], jm_cv_func_working_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>
@@ -23,16 +22,19 @@ AC_DEFUN(jm_FUNC_LSTAT,
     main ()
     {
       struct stat sbuf;
-      exit (lstat ("", &sbuf) == 0 ? 1 : 0);
+      exit (lstat ("", &sbuf) ? 1 : 0);
     }
 	  ],
-	 jm_cv_func_working_lstat=yes,
-	 jm_cv_func_working_lstat=no,
+	 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_working_lstat=no)
+	 jm_cv_func_lstat_empty_string_bug=yes)
   ])
-  if test $jm_cv_func_working_lstat = no; then
-    LIBOBJS="$LIBOBJS lstat.o"
-    AC_DEFINE_UNQUOTED(lstat, rpl_lstat)
+  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. ])
   fi
 ])