Re: Recursive Makefiles, just build object files

(and due to an exciting editing accident that email was all over the  
place. "Edit in TextMate" - Schwern knows what I mean :)

On 26 Nov 2007, at 23:49, Andy Armstrong wrote:

> On 26 Nov 2007, at 22:32, Michael G Schwern wrote:
>>> For the current release I've dumped a Makefile.PL in the bundled
>>> library's root that invokes its configure script and then adds a  
>>> 'test'
>>> target to the generated Makefile.
>>
>> I contemplated just this problem for Alien::SVN which does nothing  
>> but build a
>> bundled Subversion library.  The necessary hoops you have to jump  
>> through to
>> override enough of MakeMaker to do this are absurd.  You'll spend  
>> most of your
>> time fighting MakeMaker.
>
>
> I've got it sort of working. It still does the static link step for  
> the subdirectories - but that's quick and the results aren't too  
> offensive.
>
> http://search.cpan.org/src/ANDYA/re-engine-Oniguruma-0.03/Makefile.PL
> http://search.cpan.org/src/ANDYA/re-engine-Oniguruma-0.03/onig/Makefile.PL
> http://search.cpan.org/src/ANDYA/re-engine-Oniguruma-0.03/onig/enc/Makefile.PL
>
> Some oddities: BSD make doesn't see the real subdirs targets in the  
> Makefile if there's a NOP one before them. Maybe it's only seeing  
> the first - not sure. Accordingly my root Makefile.PL has
>
> package MY;
>
> # Need to strip the default subdirs target otherwise BSD make doesn't
> # see the real target for some reason.
>
> sub top_targets {
>    my $tt = shift->SUPER::top_targets( @_ );
>    $tt =~ s{^ subdirs \s .*? ^(\S) }{$1}msgx;
>    return $tt;
> }
>
> package main;
>
> On 26 Nov 2007, at 22:32, Michael G Schwern wrote:
>>> For the current release I've dumped a Makefile.PL in the bundled
>>> library's root that invokes its configure script and then adds a  
>>> 'test'
>>> target to the generated Makefile.
>>
>> I contemplated just this problem for Alien::SVN which does nothing  
>> but build a
>> bundled Subversion library.  The necessary hoops you have to jump  
>> through to
>> override enough of MakeMaker to do this are absurd.  You'll spend  
>> most of your
>> time fighting MakeMaker.
>
> I've got it sortOn 26 Nov 2007, at 22:32, Michael G Schwern wrote:
>>> For the current release I've dumped a Makefile.PL in the bundled
>>> library's root that invokes its configure script and then adds a  
>>> 'test'
>>> target to the generated Makefile.
>>
>> I contemplated just this problem for Alien::SVN which does nothing  
>> but build a
>> bundled Subversion library.  The necessary hoops you have to jump  
>> through to
>> override enough of MakeMaker to do this are absurd.  You'll spend  
>> most of your
>> time fighting MakeMaker.
>
> I've got it working. It still does the static link step for the
> subdirectories - but that's quick and the results aren't too  
> offensive.
>
> http://search.cpan.org/src/ANDYA/re-engine-Oniguruma-0.03/Makefile.PL
> http://search.cpan.org/src/ANDYA/re-engine-Oniguruma-0.03/onig/Makefile.PL
> http://search.cpan.org/src/ANDYA/re-engine-Oniguruma-0.03/onig/enc/Makefile.PL
>
> Some oddities: BSD make doesn't see the real subdirs targets in the
> Makefile if there's a NOP one before them. Maybe it's only seeing the
> first - not sure. Accordingly my root Makefile.PL has
>
>    package MY;
>
>    # Need to strip the default subdirs target otherwise BSD make  
> doesn't
>    # see the real target for some reason.
>
>    sub top_targets {
>        my $tt = shift->SUPER::top_targets( @_ );
>        $tt =~ s{^ subdirs \s .*? ^(\S) }{$1}msgx;
>        return $tt;
>    }
>
>    package main;
>
> The source only Makefile.PLs are bodged up like this:
>
>    sub MY::static {
>        return entab( <<'EOM');
>    static :: $(FIRST_MAKEFILE) $(OBJECT)
>     $(NOECHO) $(NOOP)
>    EOM
>    }
>
> Which trims the static target down a bit. It's not /too/ ugly :)
>
> -- 
> Andy Armstrong, Hexten
>
> of working. It still does the static link step for the
> subdirectories - but that's quick and the results aren't too  
> offensive.
>
> http://search.cpan.org/src/ANDYA/re-engine-Oniguruma-0.03/Makefile.PL
> http://search.cpan.org/src/ANDYA/re-engine-Oniguruma-0.03/onig/Makefile.PL
> http://search.cpan.org/src/ANDYA/re-engine-Oniguruma-0.03/onig/enc/Makefile.PL
>
> Some oddities: BSD make doesn't see the real subdirs targets in the
> Makefile if there's a NOP one before them. Maybe it's only seeing the
> first - not sure. Accordingly my root Makefile.PL has
>
>    package MY;
>
>    # Need to strip the default subdirs target otherwise BSD make  
> doesn't
>    # see the real target for some reason.
>
>    sub top_targets {
>        my $tt = shift->SUPER::top_targets( @_ );
>        $tt =~ s{^ subdirs \s .*? ^(\S) }{$1}msgx;
>        return $tt;
>    }
>
>    package main;
>
> The source only Makefile.PLs are bodged up like this:
>
>    sub MY::static {
>        return entab( <<'EOM');
>    static :: $(FIRST_MAKEFILE) $(OBJECT)
>     $(NOECHO) $(NOOP)
>    EOM
>    }
>
> Which trims the static target down a bit. It's not /too/ ugly :)
>
> -- 
> Andy Armstrong, Hexten
>

-- 
Andy Armstrong, Hexten