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# TODO(phosek): We should use the runtimes build instead configured with
# LLVM_ENABLE_RUNTIMES=libcxxabi;libcxx to avoid duplication of logic.
cmake_minimum_required(VERSION 3.13.4)
project(custom-libcxx C CXX)
find_package(Python3 REQUIRED COMPONENTS Interpreter)
# Build static libcxxabi.
set(LIBCXXABI_ENABLE_SHARED OFF CACHE BOOL "")
set(LIBCXXABI_ENABLE_EXCEPTIONS ON CACHE BOOL "")
set(LIBCXXABI_HERMETIC_STATIC_LIBRARY ON CACHE STRING "")
set(LIBCXXABI_LIBCXX_PATH ${COMPILER_RT_LIBCXX_PATH} CACHE PATH "")
set(LIBCXXABI_INCLUDE_TESTS OFF CACHE BOOL "")
add_subdirectory(${COMPILER_RT_LIBCXXABI_PATH} ${CMAKE_CURRENT_BINARY_DIR}/cxxabi)
# Build static libcxx without exceptions.
set(LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY OFF CACHE BOOL "")
set(LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
set(LIBCXX_ENABLE_EXCEPTIONS OFF CACHE BOOL "")
set(LIBCXX_HERMETIC_STATIC_LIBRARY ON CACHE BOOL "")
# Use above libcxxabi.
set(LIBCXX_CXX_ABI "libcxxabi" CACHE STRING "")
set(LIBCXX_CXX_ABI_INTREE 1)
set(LIBCXX_ENABLE_STATIC_ABI_LIBRARY ON CACHE BOOL "")
set(LIBCXX_CXX_ABI_INCLUDE_PATHS ${COMPILER_RT_LIBCXXABI_PATH}/include CACHE PATH "")
add_subdirectory(${COMPILER_RT_LIBCXX_PATH} ${CMAKE_CURRENT_BINARY_DIR}/cxx)
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