From: Jakub Narebski <jnareb@gmail.com>
Date: Tue, 03 Aug 2010 11:16:40 GMT
Subject: Re: [PATCH] perl/Makefile: Unset INSTALL_BASE when making perl.mak
Message-ID: <m3d3u0osjo.fsf@localhost.localdomain>
In-Reply-To: <1280831411-4511-1-git-send-email-avarab@gmail.com>

Ævar Arnfjörð Bjarmason  <avarab@gmail.com> writes:

> PREFIX and INSTALL_BASE are mutually exclusive. If both are supplied
> by INSTALL_BASE being set in PERL_MM_OPT ExtUtils::MakeMaker will
> produce an error:
> 
>     $ echo $PERL_MM_OPT
>     INSTALL_BASE=/home/avar/perl5
>     $ make -C perl  PERL_PATH='/usr/bin/perl' prefix='/home/avar' perl.mak
>     make: Entering directory `/home/avar/g/git/perl'
>     /usr/bin/perl Makefile.PL PREFIX='/home/avar'
>     Only one of PREFIX or INSTALL_BASE can be given.  Not both.
>     make: *** [perl.mak] Error 255
>     make: Leaving directory `/home/avar/g/git/perl'
> 
> Change the perl Makefile to work around this by explicitly unsetting
> INSTALL_BASE.
> 
> INSTALL_BASE is set in PERL_MM_OPT by e.g. the popular local::lib
> package, from its documentation:
> 
>     eval $(perl -I$HOME/perl5/lib/perl5 -Mlocal::lib 2>/dev/null)
> 
> Many other environments might also have set PERL_MM_OPT before
> building Git. This change enables us to build in these environments.
> 
> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>

Great!  I really appreciate this, using local::lib myself.

-- 
Jakub Narebski
Poland
ShadeHawk on #git