Re: master makefile that calls make in various subdirectories

[Chad Loder]

You probably want to do something like this:

SUBDIRECTORIES = subdir1 subdir2 subdir3
.PHONY: $(SUBDIRECTORIES)

$(SUBDIRECTORIES):
        $(MAKE) -C $@ all

At 02:19 PM 6/14/2001 +0100, you wrote:
> Hi,
>
> I'd like to have a Makefile such that when I do 'make all [cmds]', it does
> this in a bunch of subdirectories. At the moment I have simplistically
>
> SUBDIRECTORIES= subdir1 subdir2  ... subdirn
>
> all:
>         for subdir in $(SUBDIRECTORIES); do   \
>                         (cd $$subdir; $(MAKE) all); \
>         done;
>
>
> This works, but has the problem that when one of the makes in a subdirectory
> fails, it is not passed on to the 'master make', such that make just
> continues with the rest of the subdirectories. This is contrary to the
> philosophy of make (it's a bit like using 'make -k', but only for the master
> make, not for the submakes), and dangerous because the user might not have
> seen the mistake in the first place.
>
> How to do better? Thanks!
>
> Kris Thielemans
> Imaging Research Solutions Ltd
> Cyclotron Building
> Hammersmith Hospital
> Du Cane Road
> London W12 ONN, United Kingdom
>
> Phone on :   +44 (020)8383 3731
> FAX on :     +44 (020)8383 2029
>
> web site address:
> http://www.irsl.org/~kris
>
>
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