diff -rupN a/src/cmd/cs/Makefile b/src/cmd/cs/Makefile
--- a/src/cmd/cs/Makefile	2000-05-12 20:08:02.000000000 +0000
+++ b/src/cmd/cs/Makefile	2011-11-02 13:55:16.327160444 +0000
@@ -22,9 +22,9 @@ pid udp :SERVICE: pid.c
 
 rsh tcp :SERVICE: rsh.c
 
-tst-old tcp :SERVICE: CCFLAGS=-g tst-old.c
+tst-old tcp :SERVICE: CCFLAGS+=-g tst-old.c
 
-tst tcp :SERVICE: CCFLAGS=-g tst.c
+tst tcp :SERVICE: CCFLAGS+=-g tst.c
 
 6263 tcp :SERVICE: 6263.c
 
diff -rupN a/src/cmd/cs/Mamfile b/src/cmd/cs/Mamfile
--- a/src/cmd/cs/Mamfile	2011-02-09 05:47:50.000000000 +0000
+++ b/src/cmd/cs/Mamfile	2011-11-02 13:31:23.512475642 +0000
@@ -335,7 +335,7 @@ prev ${PACKAGE_ast_INCLUDE}/cs.h implici
 done tst-old.c
 meta tst-old.o %.c>%.o tst-old.c tst-old
 prev tst-old.c
-exec - ${CC} -g -I${PACKAGE_ast_INCLUDE} -D_PACKAGE_ast -c tst-old.c
+exec - ${CC}  ${mam_cc_FLAGS} ${CCFLAGS} -g -I${PACKAGE_ast_INCLUDE} -D_PACKAGE_ast -c tst-old.c
 done tst-old.o generated
 exec - ${CC} ${CCLDFLAGS} -g ${LDFLAGS} ${mam_cc_L+-L${INSTALLROOT}/lib} -o tst-old.svc tst-old.o ${mam_libcs} ${mam_libast}
 done tst-old.svc generated
@@ -350,7 +350,7 @@ meta tst.o %.c>%.o tst.c tst
 prev tst.c
 exec - ${CC} -g -I${PACKAGE_ast_INCLUDE} -D_PACKAGE_ast -c tst.c
 done tst.o generated
-exec - ${CC} ${CCLDFLAGS} -g ${LDFLAGS} ${mam_cc_L+-L${INSTALLROOT}/lib} -o tst.svc tst.o ${mam_libcs} ${mam_libast}
+exec - ${CC} ${mam_cc_FLAGS} ${CCFLAGS} ${CCLDFLAGS} -g ${LDFLAGS} ${mam_cc_L+-L${INSTALLROOT}/lib} -o tst.svc tst.o ${mam_libcs} ${mam_libast}
 done tst.svc generated
 make 6263.svc
 make 6263.o