[CMake] add_custom_command weirdness

[David Cole]

Send us a smaller reproducible case that demonstrates there's a problem with
cmake custom commands.

Or, a link to your project's source tree that demonstrates the problem,
assuming it's publicly available...


Either one possible?


2010/3/31 Christoph Höger <choeger at cs.tu-berlin.de>

> Every Path is absolute.
>
> Any more suggestions?
>
> On Tue, Mar 30, 2010 at 07:46:37PM +0200, Michael Wild wrote:
> > Also make sure that all paths are absolute. Relative paths sometimes have
> strange effects in custom commands.
> >
> > Michael
> >
> > On 30. Mar, 2010, at 19:04 , David Cole wrote:
> >
> > > That would happen if hcparser.y were changed. Does that file also
> change? Is
> > > it generated?
> > >
> > >
> > > 2010/3/30 Christoph Höger <choeger at cs.tu-berlin.de>
> > >
> > >> Hi all,
> > >>
> > >> I have a buildsystem here for a project containing several
> subprojects. All
> > >> those subprojects have their own CMakeLists.txt in a subfolder.
> > >> One of those subprojects needs to run a script to generate some
> > >> sourcefiles:
> > >>
> > >> add_custom_command(OUTPUT ${typesh} ${typesc}
> > >>       COMMAND ${binbash} ${PROJECT_SOURCE_DIR}/mosilac/mktypes.sh
> > >>       DEPENDS ${src}/hcparser.y
> > >>       WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/mosilac)
> > >>
> > >> This does work. As it does in other places. But in that single place I
> have
> > >> a problem when working on other parts of the buildsystem:
> > >> Whenever I change a CMakeLists.txt file subsequent make calls lead to
> a
> > >> re-generation of the output files, although they're unchanged.
> > >>
> > >> Does anyone know why this happens?
> > >>
> >
> _______________________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>
> Please keep messages on-topic and check the CMake FAQ at:
> http://www.cmake.org/Wiki/CMake_FAQ
>
> Follow this link to subscribe/unsubscribe:
> http://www.cmake.org/mailman/listinfo/cmake
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.cmake.org/pipermail/cmake/attachments/20100331/14e8c4ad/attachment.htm>