[CMake] Boost external project doesn't build with VS2010 generator

[Ben Medina]

David,

Yes, adding "call" to the front of the command works. Thanks! Would be
great to get that fixed for 2.8.7, as I spent a good portion of
yesterday racking my brain about this.

I also discovered that, if using a variable to build the
CONFIGURE_COMMAND, that variable should be a list, rather than a
space-separated string. Would be nice to document that, too.

Thanks,
Ben

On Tue, Oct 25, 2011 at 6:51 PM, David Cole <david.cole at kitware.com> wrote:
> Try changing the configure command to "call bootstrap.bat" instead.
> I suspect this is related to the symptoms reported in these bugs:
>   http://public.kitware.com/Bug/view.php?id=12445
>   http://public.kitware.com/Bug/view.php?id=12461
>
> Related to using "bat" or "cmd" files as custom commands. We need to get
> those fixed for 2.8.7 in the VS 2010 generator.
> Let me know if adding "call " to the front of the command works in this
> case.
>
> Thanks,
> David
>
> On Tue, Oct 25, 2011 at 5:30 PM, Ben Medina <ben.medina at gmail.com> wrote:
>>
>> Hello all,
>>
>> I'm trying to build Boost as an external project, but it won't build
>> if I use the VS2010 generator. I've whittled the code down to the
>> following CMakeLists.txt:
>>
>> cmake_minimum_required(VERSION 2.8)
>> project (boost-external)
>>
>> set (Boost_Source "E:/boost_1_47_0")
>>
>> include(ExternalProject)
>> ExternalProject_Add(
>>    Boost
>>    SOURCE_DIR "${Boost_Source}"
>>    UPDATE_COMMAND ""
>>    BUILD_IN_SOURCE 1
>>    CONFIGURE_COMMAND bootstrap.bat
>>    BUILD_COMMAND b2 install
>>    INSTALL_COMMAND ""
>>    )
>>
>> When I build the project, the configure step happens, but the build
>> step is skipped:
>>
>> Microsoft (R) Visual Studio Version 10.0.40219.1.
>> Copyright (C) Microsoft Corp. All rights reserved.
>> 2>------ Build started: Project: Boost, Configuration: Debug x64 ------
>> 2>  Performing configure step for 'Boost'
>> 2>  Building Boost.Build engine
>> 2>
>> 2>  Bootstrapping is done. To build, run:
>> 2>
>> 2>      .\b2
>> 2>
>> 2>  To adjust configuration, edit 'project-config.jam'.
>> 2>  Further information:
>> 2>
>> 2>      - Command line help:
>> 2>      .\b2 --help
>> 2>
>> 2>      - Getting started guide:
>> 2>      http://boost.org/more/getting_started/windows.html
>> 2>
>> 2>      - Boost.Build documentation:
>> 2>      http://www.boost.org/boost-build2/doc/html/index.html
>> 3>------ Build started: Project: ALL_BUILD, Configuration: Debug x64
>> ------
>> 3>  Build all projects
>> ========== Build: 3 succeeded, 0 failed, 0 up-to-date, 0 skipped
>> ==========
>>
>> When I use the VS2008 generator, the project builds as expected:
>>
>> Microsoft (R) Visual Studio Version 9.0.30729.1.
>> Copyright (C) Microsoft Corp. All rights reserved.
>> 1>------ Build started: Project: Boost, Configuration: Debug x64 ------
>> 1>Creating directories for 'Boost'
>> 1>No download step for 'Boost'
>> 1>No patch step for 'Boost'
>> 1>No update step for 'Boost'
>> 1>Performing configure step for 'Boost'
>> 1>Building Boost.Build engine
>> ...
>> 1>Generating Code...
>> 1>Bootstrapping is done. To build, run:
>> 1>    .\b2
>> 1>
>> 1>To adjust configuration, edit 'project-config.jam'.
>> 1>Further information:
>> 1>    - Command line help:
>> 1>    .\b2 --help
>> 1>
>> 1>    - Getting started guide:
>> 1>    http://boost.org/more/getting_started/windows.html
>> 1>
>> 1>    - Boost.Build documentation:
>> 1>    http://www.boost.org/boost-build2/doc/html/index.html
>> 1>Performing build step for 'Boost'
>> 1>has_icu_test.cpp
>> 1>Performing configuration checks
>> ...
>>
>> And it goes on to build from there.
>>
>>
>> I'm using CMake 2.8.6. Is there some way I can work around this, or
>> should I file a bug?
>>
>> Thanks,
>> Ben
>> --
>>
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