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What is wrong with this simple rule in makefile?


From: Lin George
Subject: What is wrong with this simple rule in makefile?
Date: Thu, 27 Apr 2006 06:40:30 -0700 (PDT)

Hello everyone,


I want to use g++ $(CFLAGS) to compile any .cpp files
into .o files. For example, using g++ $(CFLAGS)
foo.cpp to generate foo.o, using g++ $(CFLAGS) goo.cpp
to generate goo.o. CFLAGS is a variale which I defined
before. I write a rule in Makefile as,

%.o :
        g++ $(CFLAGS) %.cpp

But when executing the Makefile, it reports error
message "g++: %.cpp: No such file or directory".

How to fix it?


thanks in advance,
George

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