diff --git a/packages/compiler/berkeley_upc-2.12.2 b/packages/compiler/berkeley_upc-2.12.2
index 154df3b..c56e06e 100755
--- a/packages/compiler/berkeley_upc-2.12.2
+++ b/packages/compiler/berkeley_upc-2.12.2
@@ -24,6 +24,9 @@ MAKEOPTS+=" MPI_CC=$MPICC"
 #		--with-multiconf=+dbg_tv
 #		--with-multiconf=+opt_inst
 CONFIGURE_OPTS=" \
+		--enable-pshm 
+		--disable-pshm-posix
+		--enable-pshm-sysv
 		BUPC_TRANS=$BUPC_TRANSLATOR
         "
 # GCCUPC_TRANS=PATH --with-multiconf=+dbg_gccupc,+opt_gccupc