labath added a comment.
In https://reviews.llvm.org/D39215#904677, @zturner wrote:
> Ok the issue is that you cant use CMake generator expressions in this way.
> This should work though:
>
> if (TARGET clang)
> set(LLDB_DEFAULT_TEST_COMPILER
> "${LLVM_BINARY_DIR}/clang${CMAKE_EXECUTABLE_SUFFIX}")
> else()
> set(LLDB_DEFAULT_TEST_COMPILER "")
> endif()
That will work, if you don't mind that it will break on multi-configuration
builds such as visual studio (though I am not sure how/if regular lit tests
work in that scenario). We don't run those tests anyway, and I do not think
they are ready to be used, so I definitely won't mind.
> I think you might be able to do something like:
>
> if (TARGET clang)
> get_property(LLDB_DEFAULT_TEST_COMPILER TARGET clang PROPERTY LOCATION)
> endif()
This (although recommended by stack overflow), does not work on cmake 3.0+.
https://reviews.llvm.org/D39215
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