diff -r 340bad0ab841 -r 30de175d3ed3 scripts/xldd.in
--- a/scripts/xldd.in	Wed Nov 07 21:55:42 2012 +0100
+++ b/scripts/xldd.in	Thu Mar 21 11:01:09 2013 +0100
@@ -4,8 +4,8 @@
 export LC_ALL=C
 version="@@CT_VERSION@@"
 bits="@@CT_BITS@@"
-sed="@@CT_sed@@"
-grep="@@CT_grep@@"
+sed="${SED:-@@CT_sed@@}"
+grep="${GREP:-@@CT_grep@@}"
 
 my_name="$( basename "${0}" )"
 prefix="${0%-ldd}"