diff -Naur gdm-2.20.0/config/Init.in gdm-2.20.0-alt-grep/config/Init.in
--- gdm-2.20.0/config/Init.in	2007-09-17 18:45:50 +0400
+++ gdm-2.20.0-alt-grep/config/Init.in	2007-09-18 11:51:13 +0400
@@ -48,7 +48,7 @@
   UNAME=`gdmwhich uname`
   PROCESSOR=`$UNAME -p`
   if [ x$PROCESSOR = xsparc ]; then
-    if $XMODMAP | /usr/bin/grep mod4 | /usr/bin/grep Alt > /dev/null 2>/dev/null
+    if $XMODMAP | /bin/grep mod4 | /bin/grep Alt > /dev/null 2>/dev/null
     then
       $XMODMAP -e "clear Mod1" \
                -e "clear Mod4" \