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Asked: 2026-05-29T09:29:05+00:00

I’m trying to do something like the following: .c.o: ifneq (, $(findstring FOO, $@))

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I’m trying to do something like the following:

.c.o:
ifneq (, $(findstring FOO, $@))
    @echo "FOO"
endif

The only problem is this does not work if $@ (current file) contains the string “FOO” when it should be. How would I do this?

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1 Answer

  1. Editorial Team

    ifneq conditional directives are evaluated during the reading phase of processing Makefile. At this point $@ isn’t known yet.

    Try this one, using conditional function:

    .c.o:
    @$(if $(findstring FOO,$@),echo "FOO")
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