diff --git a/src/.gitignore b/src/.gitignore
index f0308601..f04dfe20 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -3,6 +3,7 @@ rc
 *.[oa]
 *.lo
 *.so
+*.So
 *.so.*
 version.h
 
diff --git a/src/lib.mk b/src/lib.mk
index 947492c1..f98e25ce 100644
--- a/src/lib.mk
+++ b/src/lib.mk
@@ -30,11 +30,15 @@ INCMODE?=		0444
 
 all: ${_LIBS}
 
+
+
 lib${LIB}.a:	${OBJS} ${STATICOBJS}
 	@${ECHO} building static library $@
 	${AR} rc $@ $^
 	${RANLIB} $@
 
+${SHLIB_NAME}: ${VERSION_MAP}
+LDFLAGS+=	-Wl,--version-script=${VERSION_MAP}
 
 ${SHLIB_NAME}:	${SOBJS}
 	@${ECHO} building shared library $@
diff --git a/src/libeinfo/Makefile b/src/libeinfo/Makefile
index b6826340..5cace0cc 100644
--- a/src/libeinfo/Makefile
+++ b/src/libeinfo/Makefile
@@ -5,10 +5,10 @@ LIB=			einfo
 SHLIB_MAJOR=	1
 SRCS=			libeinfo.c
 INCS=			einfo.h
+VERSION_MAP=	einfo.map
 
 SHLIBDIR=		/${LIBNAME}
 
 include $(TOPDIR)/cc.mk
 include $(TOPDIR)/lib.mk
 include $(TOPDIR)/$(TERMCAP).mk
-
diff --git a/src/librc/Makefile b/src/librc/Makefile
index d5ec7df8..722f4a31 100644
--- a/src/librc/Makefile
+++ b/src/librc/Makefile
@@ -5,6 +5,7 @@ LIB=			rc
 SHLIB_MAJOR=		1
 SRCS=			librc.c librc-daemon.c librc-depend.c librc-misc.c librc-strlist.c
 INCS=			rc.h
+VERSION_MAP=	rc.map
 
 CPPFLAGS+=		-DLIB=\"${LIBNAME}\"
 LDADD+=			${LIBKVM}
diff --git a/src/rc/rc.map b/src/librc/rc.map
similarity index 100%
rename from src/rc/rc.map
rename to src/librc/rc.map