On Fri, 2012-11-09 at 19:22 +0200, Oleksandr Gavenko wrote:
> %.o: %.c
> COMPILE...
>
> and handle complete build by:
>
> C_FILES := $(wildcard */*.c */*/*.c */*/*/*.c)
> O_FILES := $(C_FILES:.c=.o)
>
> %.o: %.c
> COMPILE...
>
> $(APP): $(O_FILES)
> LINK...
>
> The only difference - all .o files put to corresponding subdirs instead root
> dir.
>
> If you still want put it to any dir write:
>
> .PHONY: copy-to-root
> copy-to-root: $(O_FILES)
> cp $^ .
>
> but you loose make dependencies tracking...
Simpler than this is to use VPATH; that's what it's for.
VPATH = test/a test/b
%.o : %.c
COMPILE ...
all: a.o b.o
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