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From: Johannes Schindelin <>
To: Dan Jacques <>
Subject: Re: [PATCH v5 2/3] Makefile: add Perl runtime prefix support
Date: Mon, 8 Jan 2018 21:27:37 +0100 (STD)	[thread overview]
Message-ID: <nycvar.QRO.> (raw)
In-Reply-To: <>

[-- Attachment #1: Type: text/plain, Size: 1592 bytes --]


On Mon, 8 Jan 2018, Dan Jacques wrote:

> On Mon, 08 Jan 2018, Ævar Arnfjörð Bjarmason replied:
> >>+# it. This is intentionally separate from RUNTIME_PREFIX so that
> >>notably Windows +# can hard-code Perl library paths while still
> >>enabling RUNTIME_PREFIX +# resolution.
> >
> > Maybe we covered this in previous submissions, but refresh my memory,
> > why is the *_PERL define still needed? Reading this explanation
> > doesn't make sense to me, but I'm probably missing something.
> >
> > If we have a system where we have some perl library paths on the
> > system we want to use, then they'll still be in @INC after our 'use
> > lib'-ing, so we'll find libraries there.
> >
> > The only reason I can think of for doing this for C and not for Perl
> > would be if you for some reason want to have a git in /tmp/git but
> > then use a different version of the from some system install,
> > but I can't imagine why.
> The reason is entirely due to the way Git-for-Windows is structured. In
> Git-for-Windows, Git binaries are run directly from Windows, meaning
> that they require RUNTIME_PREFIX resolution. However, Perl scripts are
> run from a MinGW universe, within which filesystem paths are fixed.
> Therefore, Windows Perl scripts don't require a runtime prefix
> resolution.

As I mentioned in the mail I just finished and sent (I started it hours
ago, but then got busy with other things while the builds were running): I
am totally cool with changing this on Windows, too. Should simplify
things, right?


  parent reply	other threads:[~2018-01-08 20:27 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-08  3:02 [PATCH v5 0/3] RUNTIME_PREFIX relocatable Git Dan Jacques
2018-01-08  3:02 ` [PATCH v5 1/3] Makefile: generate Perl header from template file Dan Jacques
2018-01-08  3:02 ` [PATCH v5 2/3] Makefile: add Perl runtime prefix support Dan Jacques
2018-01-08  9:41   ` Ævar Arnfjörð Bjarmason
2018-01-08 19:18     ` Dan Jacques
2018-01-08 20:00       ` Ævar Arnfjörð Bjarmason
2018-01-08 20:27       ` Johannes Schindelin [this message]
2018-01-08 21:54         ` Junio C Hamano
2018-01-08 22:05         ` Dan Jacques
2018-01-08 22:16           ` Ævar Arnfjörð Bjarmason
2018-01-08 22:18             ` Dan Jacques
2018-01-08 20:24     ` Johannes Schindelin
2018-01-08  3:02 ` [PATCH v5 3/3] exec_cmd: RUNTIME_PREFIX on some POSIX systems Dan Jacques

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