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FluxxSimon
FluxxSimon

Reputation: 27

Copy multiple files to different directories in Makefile

I have a Makefile where I currently have two files that should be copied to different directories. Currently, I've tested 

echo ${dirs} | xargs -n 1 cp ${sources}

So I understand that this will not work since it will try to copy both source files to one of the directory every time. But is there a way that I can execute the copy command for every source file and directory each?

Best regards,

Simon

Upvotes: 0

Views: 2193

Answers (1)

Mark Galeck
Mark Galeck

Reputation: 6385

I think it is possible to deduce what you want from what you wrote, but as others pointed out, you should be more clear, so we don't have to spend time deducing it.

Anyway, since you want to not copy all files to all directories, you must somehow tell Make where you want to copy which files. The easiest way is to list the full paths of the copies you want in a variable such as $(COPIES), and not just ${dirs}. In this answer I am going to assume the destination directories already exist.

.PHONY: all
all: $(COPIES)

PERCENT := %

.SECONDEXPANSION:
$(COPIES): %: $$(filter $$(PERCENT)/$$(notdir $$*), $(sources)) Makefile
    cp $< $@

Upvotes: 1

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