CODEWITHSUNDEEP
makefilegnu-make
HerpDerpington
HerpDerpington

Reputation: 4445

Gnu make: Add a flag in a command for certain targets

I have the following make script (excerpt):

debug/abc-%.txt:
    python buildtxt.py --firstFlag <second flag>

where <second flag> should be --debug if % is debug and empty (i.e. no flag) otherwise. This behaviour could simply be implemented in buildtxt.py but I think doing it this way is more modular.

How can I easily implement this?

Upvotes: 0

Views: 369

Answers (1)

HolyBlackCat
HolyBlackCat

Reputation: 96012

You want $(if $(filter debug,$*),--debug).

$* expands to the string that matched %. There's no built-in function to compare strings for equality, so we use filter for that.

Upvotes: 1

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