diff --git a/m4/moo-gtk.m4 b/m4/moo-gtk.m4
index ae47cb17..d28be16a 100644
--- a/m4/moo-gtk.m4
+++ b/m4/moo-gtk.m4
@@ -1,7 +1,7 @@
 ##############################################################################
 # _MOO_SPLIT_VERSION(NAME,version)
 #
-AC_DEFUN([_MOO_SPLIT_VERSION],[AC_REQUIRE([AC_PROG_SED])
+AC_DEFUN([_MOO_SPLIT_VERSION],[AC_REQUIRE([MOO_AC_PROG_SED])
 $1[]_VERSION="$2"
 $1[]_MAJOR_VERSION=`echo "$2" | $SED 's/\([[^.]][[^.]]*\).*/\1/'`
 $1[]_MINOR_VERSION=`echo "$2" | $SED 's/[[^.]][[^.]]*.\([[^.]][[^.]]*\).*/\1/'`
diff --git a/m4/moo-progs.m4 b/m4/moo-progs.m4
index f5d90483..f65f5cbb 100644
--- a/m4/moo-progs.m4
+++ b/m4/moo-progs.m4
@@ -8,3 +8,29 @@ AC_DEFUN([MOO_AC_PROGS],[
     AC_ARG_VAR([OPAG], [opag])
     AC_CHECK_PROG(OPAG, opag, opag)
 ])
+
+##############################################################################
+# MOO_AC_PROG_SED
+#
+# AC_PROG_SED from autoconf-2.60
+#
+# -----------
+# Check for a fully functional sed program that truncates
+# as few characters as possible.  Prefer GNU sed if found.
+AC_DEFUN([MOO_AC_PROG_SED],
+[AC_CACHE_CHECK([for a sed that does not truncate output], ac_cv_path_SED,
+    [dnl ac_script should not contain more than 99 commands (for HP-UX sed),
+     dnl but more than about 7000 bytes, to catch a limit in Solaris 8 /usr/ucb/sed.
+     ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
+     for ac_i in 1 2 3 4 5 6 7; do
+       ac_script="$ac_script$as_nl$ac_script"
+     done
+     echo "$ac_script" | sed 99q >conftest.sed
+     $as_unset ac_script || ac_script=
+     _AC_PATH_PROG_FEATURE_CHECK(SED, [sed gsed],
+	[_AC_FEATURE_CHECK_LENGTH([ac_path_SED], [ac_cv_path_SED],
+		["$ac_path_SED" -f conftest.sed])])])
+ SED="$ac_cv_path_SED"
+ AC_SUBST([SED])dnl
+ rm -f conftest.sed
+])# MOO_AC_PROG_SED
diff --git a/m4/python-cross-mingw.m4 b/m4/python-cross-mingw.m4
index 1ff50678..3abb2f97 100644
--- a/m4/python-cross-mingw.m4
+++ b/m4/python-cross-mingw.m4
@@ -1,6 +1,6 @@
 dnl AM_PYTHON_DEVEL_CROSS_MINGW([action-if-found[,action-if-not-found[,version]]])
 AC_DEFUN([AM_PYTHON_DEVEL_CROSS_MINGW],[
-  AC_REQUIRE([AC_PROG_SED])
+  AC_REQUIRE([MOO_AC_PROG_SED])
   m4_if([$3],[],[
     m4_define([_ac_m4_pyver],[])
   ],[
diff --git a/moo.mprj b/moo.mprj
index 8cda1777..de6d3224 100644
--- a/moo.mprj
+++ b/moo.mprj
@@ -38,7 +38,7 @@
    </configure>
   </optimized>
  </configurations>
- <file_selector_dir>/home/muntyan/projects/moo/moo/mooedit/gtksourceview/upstream/</file_selector_dir>
+ <file_selector_dir>/home/muntyan/projects/moo/moo/mooedit/</file_selector_dir>
  <run>
   <args>--g-fatal-warnings --new-app --mode=project</args>
   <exe>medit/medit</exe>