BUILD_CMD=shlib_target=; if [ -n "$(SHARED_LIBS)" ]; then \   shlib_target="$(SHLIB_TARGET)"; \  fi; \  LIBRARIES="$(LIBSSL) $(LIBCRYPTO) $(LIBKRB0)"; \  $(MAKE) -f $(TOP)/Makefile.shared -e \   CC="$${CC}" APPNAME=$$target$(EXE_EXT) OBJECTS="$$target.o" \   LIBDEPS="$(PEX_LIBS) $$LIBRARIES $(EX_LIBS)" \   link_app.$${shlib_target}  