[CMake] SPECIFYING THE DEPENDENCY BETWEEN NON-C FILES

[David Cole]

See also:
http://www.cmake.org/Wiki/CMake_FAQ#How_can_I_generate_a_source_file_during_the_build.3F

Read the section in its entirety (if not the entire FAQ...)

The very bottom of the section "How can I generate a source file during 
the build?" talks about what's necessary to generate a header and obtain 
proper dependencies.


David


Dekeyser, Kris wrote:

>Hi,
>
>You should:
>
>ADD_CUSTOM_COMMAND(OUTPUT H-a.h COMMAND "T" ARGS F-a.txt H-a.h DEPENDS F-a.txt)
>SET_SOURCE_FILES_PROPERTIES(H-a.h PROPERTIES GENERATED TRUE)
>
>And probably also:
>
>SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES H-a.h)
>
>HTH, Kris
>
>-----Original Message-----
>From: Oh K [mailto:dmbmate at gmail.com] 
>Sent: Wednesday, 28 September, 2005 11:09
>To: cmake at cmake.org
>Subject: [CMake] SPECIFYING THE DEPENDENCY BETWEEN NON-C FILES
>
>Hello,
>
>I wonder if someone can help me with specifying the dependency rules
>between inexistent files.
>
>The situation is as follows: A header file named 'H-a.h', is supposed
>to be created by an extenal tool named T using the other file named
>'F-a.txt' during the build process.  Of course, there is a c file
>named 'C-a.c' dependant to 'H-a.h'.  I know there is a dependency
>between 'H-a.h' and 'F-a.txt', while there is no such file, 'H-a.h'
>before the beginning of a build.  I tried SET_SOURCE_FILES_PROPERTIES
>like SET_SOURCE_FILES_PROPERTIES(H-a.h PROPERTIES OBJECT_DEPENDS
>F-a.txt)'.  However, I continue to fail to generate a dependency rule
>between these 2 files.  I think it does not work because the H-a.h is
>not an object file.
>
>I wonder if there is some proper ways to create the dependency rule
>between non-C files.
>
>K Oh
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