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Re: Samba (3.x) getting rid of Perl
On Sat, Jul 20, 2019 at 07:17:21PM +0000, Taylor R Campbell wrote:
> > Date: Sat, 20 Jul 2019 17:17:43 +0200
> > From: tlaronde%polynum.com@localhost
> > On Sat, Jul 20, 2019 at 09:49:55AM -0400, Greg Troxel wrote:
> > > Also, as you pursue cross, I think you're going to need a way to build
> > > native sometimes, and pkg_add them in, and once you do this samba is not
> > > so bad.
> > >
> > > I also wonder if perl can be taught to use a native perl that it depends
> > > on, and how pkgsrc would cope with native tools in a cross build like
> > > this, conditionally.
> > Taylor R Campbell has set the cross-compiling stuff so that it can
> > use the build tools when building not falsely requiring "native"
> > ones. But, AFAIK, if a run dependency is not "installed", pkgsrc
> > will try to build it. This is a vicious circle since Perl is not
> > cross-compilable the way its building framework has been designed.
> Right, when it's just TOOL_DEPENDS or USE_TOOLS (without :run), pkgsrc
> will build the native package it needs. What I think gdt meant is
> that, while you can't cross-compile Perl, you can do something like
> # Natively compile just Perl on the slow evbarm board.
> ssh targethost 'cd /usr/pkgsrc/lang/perl5 && make package'
> # Make it available as a cross-package on the fast build host.
> ssh targethost 'cd /usr/pkgsrc/packages && tar cf - All/perl5-*.tgz' | (cd /usr/pkgsrc/packages.evbarm && tar xvf -)
> # Cross-compile anything that depends on Perl on the fast build host.
> cd /usr/pkgsrc/net/samba && make package
> If you do that, then you can make progress cross-compiling any package
> that depends on Perl, but it's a manual step; of course, you can also
> get rid of the Perl dependency and avoid the manual step, but it
> requires changes package-by-package.
Yes, this can work. But Perl takes disk space on a uSD and it is a
sledgehammer to put a pin. On a small device with mainly a uSD, the less
space one takes on the uSD the longer it will run.
So, for "sysutils" packages (not all packages) the less dependencies,
the better (even if not cross-compiling).
Thierry Laronde <tlaronde +AT+ polynum +dot+ com>
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