wrapperscript generation from makefile

Makefile

@@ -2,9 +2,20 @@
 # Archive Makefile
 #
 
+# uncomment and edit this to match your system
+#DB_HOST := localhost
+#DB_USER := dbusr
+#DB_PASS := dbpass
+#DB_NAME := dbname
+#DB_TBL	 := dbtable
+
+ifdef DEBUG
+CFLAGS	 := -g
 DEFS	 := -D__DEBUG__
+endif
+
 LIBS     := `mysql_config --libs`
-CFLAGS   := -Werror -g $(LIBS) $(DEFS)
+CFLAGS   := -Werror $(LIBS) $(DEFS)
 CC       := gcc
 
 SOURCES  := \
@@ -20,11 +31,23 @@ SOURCES  := \
 BUILD    := ./build
 
 all : 
-	make me
-
-me :
-	mkdir -p $(BUILD)
+	@mkdir -p $(BUILD)
+ifdef DB_HOST 
+	make wrapper
+else
+	@echo "Tip: edit this Makefile DB_* macros to enable generation of a wrapper shellscript"
+endif
 	$(CC) $(CFLAGS) $(SOURCES) -o $(BUILD)/arch
+	
+wrapper :
+	@echo "#!/bin/sh" > $(BUILD)/wrapper
+	@echo "if [ \$$# -lt 1 ]; then" >> $(BUILD)/wrapper 
+	@echo "		echo \"usage: \$$0 <rootdir>\"" >> $(BUILD)/wrapper 
+	@echo "		exit" >> $(BUILD)/wrapper 
+	@echo "fi" >> $(BUILD)/wrapper 
+	@echo "./arch \"\$$1\" \"$(DB_HOST)\" \"$(DB_USER)\" \"$(DB_PASS)\" \"$(DB_NAME)\" \"$(DB_TBL)\"" >> $(BUILD)/wrapper
+	@chmod 755 $(BUILD)/wrapper
+	@echo "generated $(BUILD)/wrapper"
 
 clean :
 	rm -fr $(BUILD)