Index: trunk/psLib/swig/Makefile.am
===================================================================
--- trunk/psLib/swig/Makefile.am	(revision 5139)
+++ trunk/psLib/swig/Makefile.am	(revision 5511)
@@ -7,5 +7,5 @@
 # this is going into a make file one directory deeper in the tree so the
 # realitive paths need to be adjusted
-SWIGINC=`echo "${SRCINC}" | ${SED} "s|-I|-I../|g"`
+SWIGINC=`echo "${SRCINC}" | ${PERL} -pe "s|-I|-I../|g"`
 
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