[CMake] generating code from compiled program

[James Bigler]

Has anyone any examples of building a compiler (of sorts) and using that 
compiler to generate code then integrated into another CMake target?

Thanks,
James

James Bigler wrote:
> I have a program built within CMake that generates some code.  I need 
> this generated code to compile some other libraries.  The problem I'm 
> having is setting the dependency of the generated source file to its 
> compiler.  This is what I have currently:
> 
>   # This is the helper compiler
>   ADD_EXECUTABLE(ExtractSymbolsFromXML ExtractSymbolsFromXML.cc)
>   TARGET_LINK_LIBRARIES(ExtractSymbolsFromXML Dataflow_Network)
> 
>   # Get the full path to the ExtractSymbolsFromXML executable
>   GET_TARGET_PROPERTY(ExtractSymbolsFromXML_exe ExtractSymbolsFromXML 
> ${CMAKE_BUILD_TYPE}_LOCATION)
>   # Get the path to the executable, so that I can stuff the generated 
> file in the same place
>   GET_FILENAME_COMPONENT(binary_path ${ExtractSymbolsFromXML_exe} PATH)
>   SET(Loader_cc "${binary_path}/Loader.cc")
>   SET_SOURCE_FILES_PROPERTIES(
>     ${Loader_cc}
>     PROPERTIES GENERATED TRUE
>     )
>   ADD_CUSTOM_COMMAND(
>     OUTPUT ${Loader_cc}
>     COMMAND ${ExtractSymbolsFromXML_exe} -o ${Loader_cc}
>     # This is where I get hung up.
>     MAIN_DEPENDENCY ${ExtractSymbolsFromXML_exe}
>     COMMENT "Generating static loader file: ${Loader_cc}"
>     )
> 
>   ADD_LIBRARY(StaticHelper Loader.h ${Loader_cc})
> 
> ==================================================================
> I can't seem to get the dependency for ${Loader_cc} right.  Any ideas of 
> what I'm doing wrong?
> 
> Thanks,
> James
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