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makefile for debug and release version

hi,
i would like to write one Makefile with capabilities to build debug and release version of one program, ie:

Code:

CC                = g++

BIN                = ./bin

CFLAGS                = -Wall

RM                = rm -rf



        

debug: main.cpp

        CFLAGS="$CFLAGS -g -ggdb3"

        $(CC) $(CFLAGS) -o $(BIN)/cygtestd main.cpp

        

release: main.cpp

        CFLAGS="$CFLAGS -O2"

        $(CC) $(CFLAGS) $(BIN)/cygtest main.cpp

        

clean:

        $(RM) $(BIN)/*.o $(BIN)/*.exe

or something like this...i consulted GNU Makefile, without success :cry: can somebody help?

10x in advance...

ps
i am using eclipse + cygwin.

i will reply to myslef, but with another 2 questions :study:

Code:

CC        = g++

CFLAGS        = -Wall

RM        = rm -rf



BIN        = ./bin

OUT        = 

DEBUG        = yes



ifeq ($(DEBUG),yes)

        CFLAGS += -ggdb3

        OUT = $(BIN)/cygtestd.exe

else

        CFLAGS += -O2

        OUT = $(BIN)/cygtest.exe

endif

        

all: main



main: main.o

        $(CC) $(BIN)/main.o -o $(OUT)

        

main.o: main.cpp

        $(CC) $(CFLAGS) -c main.cpp -o $(BIN)/main.o



clean:

        $(RM) $(BIN)/*.o $(OUT)

1. is this solution is OK to use?
2. how to make case-insensitive comparation in ifeq(...)?

10x