On Thu, 2009-04-23 at 13:37 +0300, Nikolay Mitev wrote:
> Hi
> 
> I have the following situation:
> 
> files: test.cpp test.h
> 
> I want to process the file test.cpp with a custom pre-processor which
> will generate, say, test.ii.cpp which will get compiled into
> libtest.a. test.cpp just includes test.h.
> 
> This is my CMakeLists.txt file:
> 
> cmake_minimum_required(VERSION 2.6)
> 
> add_custom_command (OUTPUT test.ii.cpp
>   COMMAND preprocess test.cpp test.ii.cpp
>   DEPENDS test.cpp
>   COMMENT "Creating test.ii.cpp"
>   VERBATIM)
> 
> add_library (test test.ii.cpp)
> 
> All dandy, but when I modify test.h the preprocessing step is not run,
> but just the compile step for test.ii.cpp. How can I make it so, that
> when the header is modified the preprocessing and the compilation
> steps are both run?

Did you try to list the test.h in the DEPENDS list?

Sergey

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