BSD/OS seems to be using GNU ld, which needs -rpath-link to find the

implicit dependency of an explicitly lined .so at link time.

security/nss/cmd/platlibs.mk

@@ -185,6 +185,10 @@ ifeq ($(OS_ARCH), Linux)
 EXTRA_SHARED_LIBS += -Wl,-rpath-link,$(DIST)/lib
 endif
 
+ifeq ($(OS_ARCH), BSD_OS) 
+EXTRA_SHARED_LIBS += -Wl,-rpath-link,$(DIST)/lib
+endif
+
 ifeq ($(OS_ARCH), Darwin)
 EXTRA_SHARED_LIBS += -dylib_file @executable_path/libsoftokn3.dylib:$(DIST)/lib/libsoftokn3.dylib
 endif