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## 4. Target-specific Variable Values

The very limited resources of the cc65 target machines now and then require manual optimization of the build process by compiling individual source files with different compiler options. GNU Make offers Target-specific Variable Values perfectly suited for doing so. For example placing the code of the two modules `foo` and `bar` in the segment `FOOBAR` can be archived with this target-specific variable definition:

> `

>     foo.o bar.o: CFLAGS += --code-name FOOBAR

> `

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