[Insight-developers] SimpleITK - CMake question (The Saga of Eggs on Windows…)

[David Cole]

On Sat, Sep 17, 2011 at 5:26 PM, Bradley Lowekamp
<blowekamp at mail.nih.gov> wrote:
> Thanks JC,
> That is very helpful and explains what is going on. And explains that this
> is a bit of a tricky problem.
> It appears that the LOCATION property from:
>
>> get_target_property( SIMPLEITK_BINARY_MODULE
>>    ${SWIG_MODULE_SimpleITK_REAL_NAME} LOCATION )
>>  configure_file(
>> ${SimpleITK_SOURCE_DIR}/Wrapping/PythonPackage/setup.py.in
>>    ${SimpleITK_BINARY_DIR}/Wrapping/PythonPackage/setup.py )
>
> already has the CMAKE_CFG_INITDIR value embedded in it. So the value of
>  SIMPLEITK_BINARY_MODULE is
> "C:Build/SimpleITK/lib/$(Configuration)/_SimpleITK.pyd".
> This value is then later used at configuration time in a "configure_file".
> Unfortunately, the documentation linked below, reminds me that the
> configuration type is not known at configuration time and is only known at
> compilation. So it's impossible to know the value of "$(Configure)"  when
> the configuration file is generated.
> I guess I need a build time version of "configure_file" which is aware of
> what build type is occurring…. Anyone done that before?


Sure, you can run a cmake script as an add_custom_command at build
time, and then inside the script, you can use configure_file. You'll
have to pass -D variable values down into the command if you need
variable values defined for the configure_file call. It is definitely
something I've done before.

Let me know specifics if you'd like a recommendation on converting an
existing configure_file call into a build-time scripted call to it
instead...


David C.


> Thanks,
> Brad
>
> ========================================================
>
> Bradley Lowekamp
>
> Lockheed Martin Contractor for
>
> Office of High Performance Computing and Communications
>
> National Library of Medicine
>
> blowekamp at mail.nih.gov
>
> On Sep 17, 2011, at 5:07 PM, Jean-Christophe Fillion-Robin wrote:
>
> Hi Bradley,
>
> I am assuming you want the variable to be substituted at build time ...
>
> Instead of ${Configure} .. try with ${CMAKE_CFG_INTDIR}
>
> See
> http://www.cmake.org/cmake/help/cmake-2-8-docs.html#variable:CMAKE_CFG_INTDIR
>
> Hth
> Jc
>
> On Sat, Sep 17, 2011 at 2:59 PM, Bradley Lowekamp <blowekamp at mail.nih.gov>
> wrote:
>>
>> Hello,
>>
>> There is a cmake variable which is having the following value:
>> "C:Build/SimpleITK/lib/$(Configure)/_SimpleITK.pyd"
>>
>> And is needs to be:
>> "C:Build/SimpleITK/lib/Release/_SimpleITK.pyd"
>>
>> I can finally get the python egg for distribution on windows system, But
>> for some reason the "Configure" is not being substituted as needed.
>>
>> Here is some other CMake snippets relevant:
>>
>> # from SimpleITK/CMAKE/UseSWIGLocal.cmake
>> ...
>> ADD_LIBRARY(${SWIG_MODULE_${name}_REAL_NAME}
>>    MODULE
>>    ${swig_generated_sources}
>>    ${swig_other_sources})
>> ...
>>
>> # from SimpleITK/Wrapping/CMakeLists.txt
>> ..
>>  get_target_property( SIMPLEITK_BINARY_MODULE
>>    ${SWIG_MODULE_SimpleITK_REAL_NAME} LOCATION )
>>  configure_file(
>> ${SimpleITK_SOURCE_DIR}/Wrapping/PythonPackage/setup.py.in
>>    ${SimpleITK_BINARY_DIR}/Wrapping/PythonPackage/setup.py )
>> …
>>
>>
>> Any help would be appreciated.
>>
>> Thanks,
>> Brad
>>
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