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Reland "[CMake][libcxx] Check that we have libcxxabi before using it"

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This relands commit r291726.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@292086 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Petr Hosek 2017-01-16 00:33:11 +00:00
parent c59c3172dc
commit 6948dbedca
1 changed files with 2 additions and 1 deletions
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3
CMakeLists.txt
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@ -125,7 +125,8 @@ if (LIBCXX_CXX_ABI STREQUAL "default")
${LLVM_MAIN_SRC_DIR}/runtimes/libcxxabi/include
NO_DEFAULT_PATH
)
if (IS_DIRECTORY "${LIBCXX_LIBCXXABI_INCLUDES_INTERNAL}")
if ((NOT LIBCXX_STANDALONE_BUILD OR HAVE_LIBCXXABI) AND
IS_DIRECTORY "${LIBCXX_LIBCXXABI_INCLUDES_INTERNAL}")
set(LIBCXX_CXX_ABI_LIBNAME "libcxxabi")
set(LIBCXX_CXX_ABI_INCLUDE_PATHS "${LIBCXX_LIBCXXABI_INCLUDES_INTERNAL}")
set(LIBCXX_CXX_ABI_INTREE 1)