1# This testing configuration handles running the test suite against LLVM's 2# libc++ using adb and a libc++_shared.so library on Android. 3 4lit_config.load_config(config, '@CMAKE_CURRENT_BINARY_DIR@/cmake-bridge.cfg') 5 6import re 7import site 8 9site.addsitedir(os.path.join('@LIBCXX_SOURCE_DIR@', 'utils')) 10 11import libcxx.test.android 12import libcxx.test.config 13import libcxx.test.params 14 15config.substitutions.append(('%{flags}', 16 '--sysroot @CMAKE_SYSROOT@' if '@CMAKE_SYSROOT@' else '' 17)) 18 19compile_flags = '-nostdinc++ -I %{include-dir} -I %{target-include-dir} -I %{libcxx-dir}/test/support' 20if re.match(r'i686-linux-android(21|22|23)$', config.target_triple): 21 # 32-bit x86 Android has a bug where the stack is sometimes misaligned. 22 # The problem appears limited to versions before Android N (API 24) and only 23 # __attribute__((constructor)) functions. Compile with -mstackrealign to 24 # work around the bug. 25 # TODO: Consider automatically doing something like this in Clang itself (LIBCXX-ANDROID-FIXME) 26 # See https://github.com/android/ndk/issues/693. 27 compile_flags += ' -mstackrealign' 28config.substitutions.append(('%{compile_flags}', compile_flags)) 29 30# The NDK library is called "libc++_shared.so". Use LD_LIBRARY_PATH to find 31# libc++_shared.so because older Bionic dynamic loaders don't support rpath 32# lookup. 33config.substitutions.append(('%{link_flags}', 34 '-nostdlib++ -L %{lib-dir} -lc++_shared' 35)) 36config.substitutions.append(('%{exec}', 37 '%{executor}' + 38 ' --job-limit-socket ' + libcxx.test.android.adb_job_limit_socket() + 39 ' --prepend-path-env LD_LIBRARY_PATH /data/local/tmp/libc++ --execdir %T -- ' 40)) 41 42libcxx.test.config.configure( 43 libcxx.test.params.DEFAULT_PARAMETERS, 44 libcxx.test.features.DEFAULT_FEATURES, 45 config, 46 lit_config 47) 48