On Sep 26, 2007, at 10:11 AM, Juan Sanchez wrote:

Hello James,

I'm curious why your target name is ExtractSymbolsFromXML, but your
dependency is ${ExtractSymbolsFromXML_exe}.

Shouldn't your dependency be the name of the target?

I tried both, and neither work.

In addition, if you add a custom command, don't you have to have use
add_custom_target as well.

For example:
ADD_CUSTOM_COMMAND(
  OUTPUT main.pdf
  DEPENDS main.ps
  COMMAND ps2pdf
  ARGS    main.ps
)

ADD_CUSTOM_TARGET( Docs ALL
  DEPENDS main.pdf
)

I thought that by having the generated source file be a dependency on a library it would pull it in:

ADD_CUSTOM_COMMAND(
  OUTPUT mysource.cc
  ...
  )

ADD_LIBRARY(mylib mysource.cc)

I'll try and play around with ADD_CUSTOM_TARGET, but I hate how it always seems to run (though I may have been using it wrong).

James


James Bigler wrote:
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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