[PATCH 2 of 2 v3] makefile: add wheel build target

[Matt Mackall]

On Mon, 2015-10-12 at 20:36 -0700, Gregory Szorc wrote:
> On Mon, Oct 12, 2015 at 11:42 AM, Gregory Szorc <gregory.szorc at gmail.com>
> wrote:
> 
> > On Mon, Oct 12, 2015 at 7:39 AM, Augie Fackler <raf at durin42.com> wrote:
> >
> >> On Fri, Oct 09, 2015 at 12:31:16PM -0500, Nathan Goldbaum wrote:
> >> > # HG changeset patch
> >> > # User Nathan Goldbaum <ngoldbau at ucsc.edu>
> >> > # Date 1444411846 18000
> >> > #      Fri Oct 09 12:30:46 2015 -0500
> >> > # Node ID c630785461f0465adebce581eb25a503f654333a
> >> > # Parent  d27f31183f4ca4af2a0a96af32a631181b501b5a
> >> > makefile: add wheel build target
> >>
> >> Queued. How well does the wheel work on Windows?
> >>
> >
> > When I attempted this several months ago, I think it "just worked."
> > However, I'm not sure hg.exe was produced. However, if you are installing
> > Mercurial via wheels/pip on Windows, chances are you have a UNIX-like env
> > (such as cygwin) and don't need the .exe wrapper.
> >
> > I can probably find time to investigate this on my Windows machine this
> > week if there is any interest in producing wheels as part of the 3.6
> > release.
> >
> 
> `python.exe setup.py bdist_wheel` seems to produce a correct wheel,
> compiled C extensions .pyd files and all! I did a `pip.exe install
> mercurial-3.5.2-cp27-none-win_amd64.whl` into a virtualenv and it seemed to
> "just work." `hg debuginstall` was happy. `hg serve` has access to
> templates.
> 
> The one thing that isn't in the wheel is a hg.exe. But there is a hg.bat,
> which is sufficient for `hg` to work in cmd.exe. As I mentioned in my
> previous message, if you are installing a wheel, you probably have a
> "proper" Python environment and don't need the standalone / Python-bundled
> Mercurial that hg.exe/py2exe provides. So I don't think this is a problem.

Disagree. Unlike on Unix, batch files are not just a type of executable.
They have a whole ton of little foibles in argument passing and such
that having an exe avoids. So while this isn't completely essential,
it's a significant deficiency.

-- 
Mathematics is the supreme nostalgia of our time.