Hi Marc,
I am pretty sure it helped on my particular configuration.
I was trying to compile MySQL-python-1.2.2.tar.gz package from source and it was failing in mt.exe step because the manifest file was not there.
I didn't do anything special on my machine. I have 3 versions of MSVS installed cleanly side-by-side (which is a legit scenario): MSVS 2003, MSVS 2005, and MSVS 2008. All at the latest patch levels. No standalone PlatformSDKs are installed.

Besides, if you just ignore the obscure blurb about /MANIFEST option being default in MSDN, and read the descriptions of both /MANIFEST and /MANIFESTFILE options, you would agree that it will not do any harm to be explicit and always have /MANIFEST option passed to linker.

I'm going to do one more experiment with a different machine, this time it will be Vista (not W7) with a similar MSVS setup. I will report my findings.

On Tue, Feb 17, 2009 at 2:08 PM, Marc-Andre Lemburg <report@bugs.python.org> wrote:

Marc-Andre Lemburg <mal@egenix.com> added the comment:

On 2009-02-17 20:22, Pavel Repin wrote:
> Pavel Repin <prepin+pythonbugs@gmail.com> added the comment:
>
> I'd like to point out that on some configurations (at least mine), you
> really need to specify /MANIFEST option to the linker, even though MSDN
> documentation seems to imply that /MANIFEST behavior is ON by default.
> My config:
> beta version of Windows 7
> ActivePython 2.6.1.1
> MSVS 2008 with 32-bit C/C++ Optimizing Compiler Version 15.00.21022.08
> for 80x86

Are you sure ?

We've had such a request before and the reason for MSVC not generating
a .manifest file was some setting the user had done on his system.

FWIW: distutils generates those files just fine for me.

Then again, it probably doesn't hurt just adding the option.

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<http://bugs.python.org/issue4431>
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