| # Build libc++abi and libc++ closely resembling what is shipped in the Android |
| # NDK. |
| |
| # The NDK names the libraries libc++_shared.so and libc++_static.a. Using the |
| # libc++_shared.so soname ensures that the library doesn't interact with the |
| # libc++.so in /system/lib[64]. |
| set(LIBCXX_SHARED_OUTPUT_NAME c++_shared CACHE STRING "") |
| set(LIBCXX_STATIC_OUTPUT_NAME c++_static CACHE STRING "") |
| |
| # The NDK libc++ uses a special namespace to help isolate its symbols from those |
| # in the platform's STL (e.g. /system/lib[64]/libc++.so, but possibly stlport on |
| # older versions of Android). |
| set(LIBCXX_ABI_VERSION 1 CACHE STRING "") |
| set(LIBCXX_ABI_NAMESPACE __ndk1 CACHE STRING "") |
| |
| # CMake doesn't add a version suffix to an Android shared object filename, |
| # (because CMAKE_PLATFORM_NO_VERSIONED_SONAME is set), so it writes both a |
| # libc++_shared.so ELF file and a libc++_shared.so linker script to the same |
| # output path (the script clobbers the binary). Turn off the linker script. |
| set(LIBCXX_ENABLE_ABI_LINKER_SCRIPT OFF CACHE BOOL "") |
| |
| set(LIBCXX_STATICALLY_LINK_ABI_IN_SHARED_LIBRARY ON CACHE BOOL "") |
| set(LIBCXXABI_ENABLE_SHARED OFF CACHE BOOL "") |
| |
| # Android uses its own unwinder library |
| set(LIBCXXABI_USE_LLVM_UNWINDER OFF CACHE BOOL "") |
| |
| # Clang links libc++ by default, but it doesn't exist yet. The libc++ CMake |
| # files specify -nostdlib++ to avoid this problem, but CMake's default "compiler |
| # works" testing doesn't pass that flag, so force those tests to pass. |
| set(CMAKE_C_COMPILER_WORKS ON CACHE BOOL "") |
| set(CMAKE_CXX_COMPILER_WORKS ON CACHE BOOL "") |
| |
| # Use adb to push tests to a locally-connected device (e.g. emulator) and run |
| # them. |
| set(LIBCXX_TEST_CONFIG "llvm-libc++-android-ndk.cfg.in" CACHE STRING "") |
| set(LIBCXXABI_TEST_CONFIG "llvm-libc++abi-android-ndk.cfg.in" CACHE STRING "") |
