[posting to the list, since I accidentally replied only to Sergey] On Thu, Apr 23, 2009 at 1:48 PM, Sergey Rudchenko < sergey.rudche...@gmail.com> wrote:
> 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? > Yes, and this works, but I really don't want to keep this list up-to-date manually. The project involves hundreds of files, so I'm looking for a way to automate this. Is there a way to extract the dependencies of test.cpp and make test.ii.cpp depend on them? Nikolay
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