[cmake-developers] [CMake 0014317]: Configuration dependent install EXPORT
Stephen Kelly
steveire at gmail.com
Wed Jul 31 07:53:33 EDT 2013
Brad King wrote:
> On 07/30/2013 09:46 AM, Stephen Kelly wrote:
>> That is, parameters to install(TARGETS) are evaluated at export time, and
>> otherwise the contents of the property are reproduced verbatim.
>
> Yes, I think this makes sense. The install rules run as part of
> the current project's build just like custom commands, so it makes
> sense to evaluate generator expressions immediately. However, the
> implementation may be a bit complicated because now cmake_install.cmake
> script code will have to branch on BUILD_TYPE to pick which install
> rule to run. There is already infrastructure for this to support
> the CONFIGURATIONS option of install(TARGETS) so maybe it is okay.
I think two things are being confused here. One is the DESTINATION for
things that are installed by the current command. Eg:
install(TARGETS foo
RUNTIME DESTINATION bin
LIBRARY DESTINATION lib
ARCHIVE DESTINATION lib
)
install(FILES foo.h
DESTINATION include
)
The bug report is about adding genex support to those destinations.
The new feature is
install(TARGETS foo
INCLUDES DESTINATION include
)
which does not result in installing anything to 'include/', but only
populates a property. This is quite separate to what you describe above. I
propose that we deal with what you describe above after 2.8.12.
For supporting generator expressions in
install(TARGETS foo
INCLUDES DESTINATION include
)
I've pushed a INCLUDES-DESTINATION-partial-eval topic to my clone with some
ideas for it. Please let me know what you think.
Thanks,
Steve.
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