From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCHv2/RFC] gitweb: Prepare for splitting gitweb
Date: Wed, 07 Jul 2010 17:30:57 -0700
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Cc: git@vger.kernel.org, Pavan Kumar Sunkara <pavan.sss1991@gmail.com>,
	Petr Baudis <pasky@ucw.cz>,
	Christian Couder <chriscool@tuxfamily.org>
To: Jakub Narebski <jnareb@gmail.com>
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In-Reply-To: <201007072220.18824.jnareb@gmail.com> (Jakub Narebski's message
 of "Wed\, 7 Jul 2010 22\:20\:18 +0200")
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Jakub Narebski <jnareb@gmail.com> writes:

>> > +install-modules:
>> > +	install_dirs=$(sort $(dir $(GITWEB_MODULES))) && \
>> > ...
>
> For example with the following Makefile:
>
>   GITWEB_MODULES += GitwebCache/SimpleFileCache.pm
>   GITWEB_MODULES += GitwebCache/Capture.pm
>   GITWEB_MODULES += GitwebCache/Capture/SelectFH.pm
>   GITWEB_MODULES += Gitweb/Config.pm
>   
>   all:
>   	@echo $(sort $(dir $(GITWEB_MODULES)))
>
> running 'make' results in:
>
>   Gitweb/ GitwebCache/ GitwebCache/Capture/


Try replacing that with:

	all:
        	install_dirs=$(sort $(dir $(GITWEB_MODULES))) && \
                echo $$install_dirs

perhaps?

Hint: dq.