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Subject: Re: [boost] Embedding manifest into the regression tests (was: [testers] [log] Problems with tests)
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2013-05-13 17:04:51

On Tuesday 14 May 2013 00:37:36 Sergey Cheban wrote:
> The manifests are used for several puropses in Windows:
> 1. To specify the dependencies between components.
> 2. To specify the security level of the application.
> 3. To specify the compatibility level between the application and the
> operating system.
> 4. To register the COM classes implemented in the assembly.
> According to the MSDN
> (,
> "if /MANIFEST is not specified and the linker is passed
> /MANIFESTDEPENDENCY comments, a manifest file will be created".
> If there are no /MANIFESTDEPENDENCY options and the /MANIFEST option is
> specified, some manifest will be generated anyway. Its content will
> depend on the /MANIFESTUAC linker option.
> By default, the following manifest is generated:
> =================================
> <?xml version='1.0' encoding='UTF-8' standalone='yes'?>
> <assembly xmlns='urn:schemas-microsoft-com:asm.v1' manifestVersion='1.0'>
> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
> <security>
> <requestedPrivileges>
> <requestedExecutionLevel level='asInvoker' uiAccess='false' />
> </requestedPrivileges>
> </security>
> </trustInfo>
> </assembly>
> =================================
> In msvc-9.0, the CRT contains the /manifestdependency comment, and so
> the manifest is generated by default and bjam uses it. In msvc-10.0 and
> msvc-11.0, the CRT does not contain the /manifestdependency comment, and
> so the manifest is not generated by default.
> Generally speaking, the modern windows application should have the
> manifest inside. Otherwise, the modern versions of Windows will run it
> in the compatibility mode (for example, they may guess the required
> security level from the name of the executable file).

Thanks for the explanation. So we basically need to always pass /MANIFEST to
the linker and probably make embed-manifest feature on by default? Worth
trying, but not right now while we wait for test results on Boost.Log and
Boost.TTI. I'll try that locally tomorrow.

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