[CMake] Copy files to build folder

[Tim Hutton]

Thanks Andreas, but that leaves us with having to edit the
CMakeLists.txt every time we add a pattern file. There must be a
better way?

On 17 January 2012 13:02, Andreas Pakulat <apaku at gmx.de> wrote:
> On 17.01.12 12:54:28, Tim Hutton wrote:
>> We've got this section in our CMakeLists.txt:
>>
>> #--------------------------copy pattern files to build
>> folder---------------------------------
>>
>> file( GLOB_RECURSE pattern_files RELATIVE
>> "${CMAKE_CURRENT_SOURCE_DIR}/" "patterns/*.vti" )
>> foreach( pattern_file ${pattern_files} )
>>   add_custom_command(
>>     OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${pattern_file}"
>>     COMMAND cmake -E copy
>> "${CMAKE_CURRENT_SOURCE_DIR}/${pattern_file}"
>> "${CMAKE_CURRENT_BINARY_DIR}/${pattern_file}"
>>     DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${pattern_file}"
>>   )
>>   list( APPEND pattern_files_dest "${pattern_file}" )
>> endforeach( pattern_file )
>>
>> add_custom_target( CopyPatterns ALL DEPENDS ${pattern_files_dest} )
>>
>> #-----------------------------------------------------------------------------------------------
>>
>> The idea is to copy all the *.vti files in the "patterns" folder (and
>> subfolders) into the build folder, so our program can load them. This
>> works fine when running CMake for the first time. However, if we add a
>> new pattern file it doesn't get picked up, even after make clean. (It
>> works if we edit the CMakeLists.txt, or delete everything in the build
>> folder.) Is there a way to make this work every time?
>
> Don't use GLOB, but list all files individually in a variable and
> iterate over that. CMake is not executed when doing a make call and no
> cmake-related file has changed and hence the above code is not re-run on
> each make call.
>
> Andreas
>
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-- 
Tim Hutton - http://www.sq3.org.uk - http://profiles.google.com/tim.hutton/