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[libcxx] Force-cache LIBCXX_CXX_ABI_LIBRARY_PATH

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Summary:
The `LIBCXX_CXX_ABI_LIBRARY_PATH` CMake variable is cached once in
libcxx/cmake/Modules/HandleLibCXXABI.cmake in the `setup_abi_lib` macro,
and then cached again in libcxx/test/CMakeLists.txt. There, if it is
not set to a value, it is by default set to `LIBCXX_LIBRARY_DIR`.

However, this new value is not actually cached, because the old (empty)
value has been already cached. Use the `FORCE` CMake flag so that it
is saved to the cache.

This should not break anything, because the code changed here previously
had no effect, when it should have.

Reviewers: jroelofs, bcraig, ldionne, EricWF, mclow.lists, vvereschaka, eastig

Reviewed By: vvereschaka

Subscribers: mgorny, christof, dexonsmith, libcxx-commits

Tags: #libc

Differential Revision: https://reviews.llvm.org/D69169
This commit is contained in:
Sergej Jaskiewicz 2020-01-10 12:54:49 +03:00
parent 356685a1d8
commit 41f4dfd63e
1 changed files with 1 additions and 1 deletions
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2
libcxx/test/CMakeLists.txt
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@ -46,7 +46,7 @@ pythonize_bool(LIBCXX_ENABLE_PARALLEL_ALGORITHMS)
# directory.
if (NOT LIBCXX_CXX_ABI_LIBRARY_PATH)
set(LIBCXX_CXX_ABI_LIBRARY_PATH "${LIBCXX_LIBRARY_DIR}" CACHE PATH
"The path to libc++abi library.")
"The path to libc++abi library." FORCE)
endif()
set(LIBCXX_TARGET_INFO "libcxx.test.target_info.LocalTI" CACHE STRING