Brad King wrote:
>> I've pushed a INCLUDES-DESTINATION-partial-eval topic to my clone with
>> some ideas for it. Please let me know what you think.
>
> Are you proposing this for inclusion in 2.8.12?
Yes.
> IMO it can wait along with the rest.
As INCLUDES DESTINATION is already in master, that would be a behavior
change, and probably need a policy. Currently if you use
install(TARGETS foo EXPORT fooTargets
INCLUDES DESTINATION $<INSTALL_PREFIX>/include/$<STREQUAL:foo,bar>
)
the result in fooTargets.cmake is
INTERFACE_INCLUDE_DIRECTORIES
"${_IMPORT_PREFIX}/include/$<STREQUAL:foo,bar>"
if the genex is evaluated at export time in a follow-up release, the result
would instead be
INTERFACE_INCLUDE_DIRECTORIES
"${_IMPORT_PREFIX}/include/0"
So, I think for the case of INCLUDES DESTINATION, we can either decide and
fix it now, or revert the change adding it for 2.8.12.
>
> I forgot, which config-related generator expressions on imported
> targets honor MAP_IMPORTED_CONFIG_<CONFIG>?
The $<CONFIG:cfg> expression should always process those, if used on any of
the target properties used for the interface.
>
> What is the behavior when a not-allowed expression like
> STREQUAL is used? Does it produce an error message?
In master the STREQUAL is reproduced verbatim. In my topic it is evaluated
at export time.
Thanks,
Steve.
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