1# Testing configuration for Apple's system libc++abi. 2# 3# This configuration differs from a normal LLVM shared library configuration in 4# that we must use DYLD_LIBRARY_PATH to run the tests against the just-built library, 5# since Apple's libc++abi has an absolute install_name. 6# 7# Finally, we also link against an artificial shims library that provides 8# the functionality necessary for the upstream libc++abi to be usable in place 9# of a system-provided libc++abi. Without that, attempting to replace the system 10# libc++abi with DYLD_LIBRARY_PATH would result in missing symbols and other similar 11# issues since the upstream libc++abi does not contain all the symbols provided by 12# the system library. 13 14lit_config.load_config(config, '@CMAKE_CURRENT_BINARY_DIR@/cmake-bridge.cfg') 15 16import os, site 17site.addsitedir(os.path.join('@LIBCXXABI_LIBCXX_PATH@', 'utils')) 18import libcxx.test.params, libcxx.test.config, libcxx.test.dsl 19ADDITIONAL_PARAMETERS = [ 20 libcxx.test.dsl.Parameter(name='apple_system_shims', type=str, 21 actions=lambda path: [libcxx.test.dsl.AddSubstitution('%{apple-system-shims}', path)], 22 help=""" 23 Path to a pre-built object file or static archive that contains shims necessary to 24 allow replacing the system libc++abi by the just-built one. 25 """), 26] 27 28config.substitutions.append(('%{flags}', 29 '-isysroot {}'.format('@CMAKE_OSX_SYSROOT@') if '@CMAKE_OSX_SYSROOT@' else '' 30)) 31config.substitutions.append(('%{compile_flags}', 32 '-nostdinc++ -I %{include} -I %{cxx-include} -I %{cxx-target-include} %{maybe-include-libunwind} -D_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS ' + 33 '-I %{libcxx}/test/support -I %{libcxx}/src' 34)) 35config.substitutions.append(('%{link_flags}', 36 '-nostdlib++ -L %{lib} -lc++ %{apple-system-shims}' 37)) 38config.substitutions.append(('%{exec}', 39 '%{executor} --execdir %T --env DYLD_LIBRARY_PATH=%{lib} -- ' 40)) 41 42config.stdlib = 'apple-libc++' 43 44libcxx.test.config.configure( 45 libcxx.test.params.DEFAULT_PARAMETERS + ADDITIONAL_PARAMETERS, 46 libcxx.test.features.DEFAULT_FEATURES, 47 config, 48 lit_config 49) 50