Index: src/sen/Makefile
===================================================================
--- src/sen/Makefile	(revision ac25afd65b189d5b88120229128a777cf9edf93f)
+++ src/sen/Makefile	(revision ac25afd65b189d5b88120229128a777cf9edf93f)
@@ -0,0 +1,32 @@
+include ../../config.mak
+
+ifeq ($(BUILD_STATIC), yes)
+  LDFLAGS += -static
+endif
+
+LDFLAGS +=
+CFLAGS += -O2
+
+sen: lex.yy.c
+	$(CC) $(CFLAGS) -o sen lex.yy.c -lfl $(LDFLAGS)
+
+lex.yy.c: sen.l
+	$(FLEX) sen.l
+
+.PHONY: install
+install:
+ifdef BIN_DIR
+	install -m 0755 sen $(BIN_DIR)
+endif
+
+.PHONY: uninstall
+uninstall:
+ifdef BIN_DIR
+	rm $(BIN_DIR)/sen
+endif
+
+clean: clean.flex
+	rm sen || true
+
+clean.flex:
+	rm lex.yy.c || true