[CMake] Configuration environment variable for VS

[James Bigler]

I discovered at least for a custom command that ${CMAKE_CFG_INTDIR} expanded
to $(OutDir) not $(IntDir).  Interestingly enough $(OutDir) was "Debug" and
$(IntDir) was "project.dir/Debug".  At any rate, I think what I wanted was
this:

  # Figure out which configure we will use and pass that in as an argument
to
  # the script.  We need to defer the decision until compilation time,
because
  # for VS projects we won't know if we are making a debug or release build
  # until build time.
  if(CMAKE_GENERATOR MATCHES "Visual Studio")
    set( MY_build_configuration "$(ConfigurationName)" )
  else()
    set( MY_build_configuration "${CMAKE_BUILD_TYPE}")
  endif()

  add_custom_command(
    OUTPUT ${generated_file}
    COMMAND ${CMAKE_COMMAND} ARGS
      -D build_configuration:STRING=${MY_build_configuration}
      -P "${custom_target_script}"
    )

James

On Fri, May 15, 2009 at 4:51 AM, David Cole <david.cole at kitware.com> wrote:

> If you use "${CMAKE_CFG_INTDIR}" in a custom command it should show up as
> $(Config) in the generated VS vcproj files...
> Does this do what you want?
> add_custom_command(${OUTPUT_FILE}
>   COMMAND ${CMAKE_COMMAND} ARGS -DCONFIG:STRING=${CMAKE_CFG_INTDIR} -P
> "${my_custom_script}"
>   )
>
> For makefile based systems, ${CMAKE_CFG_INTDIR} should evaluate to "." --
> you should be able to use that as a per-configuration directory name in path
> expressions.
>
>
> HTH,
> David
>
>
> On Thu, May 14, 2009 at 5:59 PM, James Bigler <jamesbigler at gmail.com>wrote:
>
>>  Is there a configuration environment variable for VS that I could use to
>> change the behavior of an add_custom_command based on whether I'm building a
>> debug or release build?
>>
>> I want something like this:
>>
>> add_custom_command(${OUTPUT_FILE}
>>   COMMAND ${CMAKE_COMMAND} ARGS "$(Config)" -P "${my_custom_script}"
>>   )
>>
>> Thanks,
>> James
>>
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