Re: Windows build environment

[Andriy Beregovenko <jet () jet kiev ua>]

Hi Graham,

On Wed, Jan 18, 2012 at 10:12:10AM -0000, Graham Bloice wrote:
> > -----Original Message-----
> > From: wireshark-dev-bounces () wireshark org [mailto:wireshark-dev-
> > bounces () wireshark org] On Behalf Of Andriy Beregovenko
> > Sent: 17 January 2012 20:38
> > To: wireshark-dev () wireshark org
> > Subject: Re: [Wireshark-dev] Windows build environment
> >
> > Hi Graham,
> >
> > On Mon, Jan 16, 2012 at 09:39:19AM -0000, Graham Bloice wrote:
> > > > -----Original Message-----
> > > > From: wireshark-dev-bounces () wireshark org [mailto:wireshark-dev-
> > > > bounces () wireshark org] On Behalf Of Andriy Beregovenko
> > > > Sent: 13 January 2012 23:14
> > > > To: wireshark-dev () wireshark org
> > > > Subject: Re: [Wireshark-dev] Windows build environment
> > > >
> > > > Hi Graham,
> > > >
> > > > Oh, this is very actual issue.
> > > >
> > > > My personal "wishlist" consist of two things:
> > > > 1. Generation of register.c must be completely reworked, cause most
> > > > times
> > > I
> > > > must wait about 15-20 minutes when recompiling sources; 2. Make
> > > > CMake default for win-platform building is really good idea.
> > >
> > > Are you using a platform native build of python or the Cygwin version?
> > > A platform native build should faster.  When I've been doing intensive
> > > work on a single dissector I've commented out the bit of
> > > Makefile.nmake that generates register.c when it wasn't required.
> >
> > How I can detect this? I'm use windows-msi-installer from python.org.
> > Version 2.7.2. Btw at compile time I get error in python script
> works(another
> > script, not that script that generate register.c)
>
> Andriy,
>
> The output of nmake -f Makefile.nmake verify_tools will tell you which
> python you are using.  If you've installed Windows Python 2.7 into the
> default directory it should be C:\Python27\python.exe.

[BSo I all the time use native python build :)
 
> config.nmake has some settings for which python to use, but if you leave
> everything at the defaults it should pick up the Windows python
> installation.
> > > As the generation of register.c uses Python across all platforms
> > > replacing it would require another cross platform solution, and as my
> > > guess is that the generation is I/O bound moving to a compiled rather
> > > than an interpreted solution may not improve things.
> > Anyway, to compile wireshark you need to install many other "more
> > traditional" tools, like bash and perl. Hence there are pocible much
> faster
> > replacement for python :) But, i think, this is more holywat theme then
> > practical.
>
> I would be very surprised to find Cygwin bash or perl faster than a native
> Python, or even a Cygwin Python.  On my Win XP build VM, generating
> register.c using windows Python 2.7 takes 6 seconds.

Somewhy, when REbuild is in progress, generating register.c takes moooore
time. But, when I do clean build(I mean after distclean), register.c generates
in a few seconds.
 
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-- 
Best regards,
Andriy
0xBDDBDAE3

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