Check for declarations of strtoul and strtoull.

[gnulib.git] / m4 / chown.m4

diff --git a/m4/chown.m4 b/m4/chown.m4
index 1fb6203..344ddab 100644 (file)
--- a/m4/chown.m4
+++ b/m4/chown.m4
@@ -1,14 +1,9 @@
-#serial 2
+#serial 5
 
 dnl From Jim Meyering.
 dnl Determine whether chown accepts arguments of -1 for uid and gid.
 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_chown if the replacement function should be used.  */
-dnl  #undef chown
-dnl
 
 AC_DEFUN(jm_FUNC_CHOWN,
 [AC_REQUIRE([AC_TYPE_UID_T])dnl
@@ -17,7 +12,7 @@ AC_DEFUN(jm_FUNC_CHOWN,
  AC_CACHE_CHECK([for working chown], jm_cv_func_working_chown,
   [AC_TRY_RUN([
 #   include <sys/types.h>
-#   include <stat.h>
+#   include <sys/stat.h>
 #   include <fcntl.h>
 #   ifdef HAVE_UNISTD_H
 #    include <unistd.h>
@@ -27,6 +22,8 @@ AC_DEFUN(jm_FUNC_CHOWN,
     main ()
     {
       char *f = "conftestchown";
+      struct stat before, after;
+
       if (creat (f, 0600) < 0)
         exit (1);
       if (stat (f, &before) < 0)
@@ -45,7 +42,8 @@ AC_DEFUN(jm_FUNC_CHOWN,
             jm_cv_func_working_chown=no)
   ])
   if test $jm_cv_func_working_chown = no; then
-    LIBOBJS="$LIBOBJS chown.o"
-    AC_DEFINE_UNQUOTED(chown, rpl_chown)
+    AC_LIBOBJ(chown)
+    AC_DEFINE_UNQUOTED(chown, rpl_chown,
+      [Define to rpl_chown if the replacement function should be used.])
   fi
 ])