Dear All,
here I am again. I still have a problem with cmake dependencies which is a
bit complicated (for me at least). I really apologise in advance if what
follows is not clear, but I do need your help here. I have a coding convention
checker tool that runs on all the source files to check the code for coding
convention violations. The codebase is quite large (~2MLOC) and very dynamic,
as there are hundreds of people that can check in. The code itself is organised
in a set of subdirectories where files come and go. The dependency schema is
the following
source.viol depends on source.h.xml, source.cxx.xml,
${CMAKE_BINARY_DIR}/factFile.xml
source.h.xml depends on source.h
source.cxx.xml depends on source.cxx and source.h
${CMAKE_BINARY_DIR}/factFile.xml depends on ALL the source.h.xml in ALL
subdirectories
creating the source.{h,cxx}.xml is quite easy, however I do not manage to
express the dependency of the viol file. I do not even manage to express the
dependencies of the factFile.xml correctly.
One of the problems for me is that once I am inside a directory, I am not able
to add file-level dependencies to a file target defined in the "upper" scope.
As far as I understood, when you define a file target with
ADD_CUSTOM_COMMAND(OUTPUT... COMMAND ... DEPENDS...) you cannot "add" to the
depends as you go, because ADD_DEPENDENCIES takes a top level target as first
argument. I cannot even add to a list, because there is no way to see the same
variable in a ADD_SUBDIRECTORY command and in the calling scope. But even if I
would manage to do so, let's say writing a file and reading it (ugly), I would
still have a problem. Let's suppose my factFile depends only on one file in
subdirectory STEER added previously with the command add_subdirectory(STEER).
add_custom_command(OUTPUT factFile.xml
COMMAND
DEPENDS STEER/check/source.h.xml)
cmake complains that it does not know how to make it, and it is right, because
this is known only inside the subdirectory STEER and not at global scope. I
hope I have been clear enough. Thanks for help. Best regards,
Federico Carminati
CERN-PH
1211 Geneva 23
Switzerland
Tel: +41 22 76 74959
Fax: +41 22 76 68505
Mobile: +41 76 487 4843
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