ebfeeec4c4
When testing with sanitizers enabled, we need to link against a plethora of system libraries. Using `-nodefaultlibs` like we used to breaks this, and we would have to add all these system libraries manually, which is not portable and error prone. Instead, stop using `-nodefaultlibs` so that we get the libraries added by default by the compiler. The only caveat with this approach is that we are now relying on the fact that `-L <path-to-local-libunwind>` will cause the just built libunwind to be selected before the system implementation (either of libunwind or libgcc_s.so), which is somewhat fragile. This patch also turns the 32 bit multilib build into a soft failure since we are in the process of removing it anyway, see D114473 for details. This patch is incompatible with the 32 bit multilib build because Ubuntu does not provide a proper libstdc++ for 32 bits, and that is required when running with sanitizers enabled. Differential Revision: https://reviews.llvm.org/D114385
63 lines
2.1 KiB
INI
63 lines
2.1 KiB
INI
@AUTO_GEN_COMMENT@
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@SERIALIZED_LIT_PARAMS@
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#
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# Configuration file for running the libunwind tests against the shared library.
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#
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# This file is a lot simpler than the ones for libc++ and libc++abi because
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# while libunwind is written in C++, it doesn't use the C++ Standard Library
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# so we don't need to set that up to run the tests correctly.
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#
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import os, site
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site.addsitedir(os.path.join('@LIBUNWIND_LIBCXX_PATH@', 'utils'))
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import libcxx.test.format
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# Basic configuration of the test suite
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config.name = os.path.basename('@LIBUNWIND_TEST_CONFIG@')
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config.test_source_root = os.path.join('@LIBUNWIND_SOURCE_DIR@', 'test')
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config.test_format = libcxx.test.format.CxxStandardLibraryTest()
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config.recursiveExpansionLimit = 10
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config.test_exec_root = '@CMAKE_BINARY_DIR@'
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compile_flags = []
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link_flags = []
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if @LIBUNWIND_USES_ARM_EHABI@:
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config.available_features.add('libunwind-arm-ehabi')
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if not @LIBUNWIND_ENABLE_THREADS@:
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compile_flags.append('-D_LIBUNWIND_HAS_NO_THREADS')
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config.available_features.add('libunwind-no-threads')
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if @LIBUNWIND_ENABLE_CET@:
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compile_flags.append('-fcf-protection=full')
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if '@CMAKE_SYSTEM_NAME@' == 'Linux':
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link_flags.append('-Wl,--export-dynamic')
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# Stack unwinding tests need unwinding tables and these are not generated by default on all targets.
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compile_flags.append('-funwind-tables')
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config.substitutions.append(('%{cxx}', '@CMAKE_CXX_COMPILER@'))
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config.substitutions.append(('%{flags}',
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'-isysroot {}'.format('@CMAKE_OSX_SYSROOT@') if '@CMAKE_OSX_SYSROOT@' else ''
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))
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config.substitutions.append(('%{compile_flags}',
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'-nostdinc++ -I {}/include {}'.format('@LIBUNWIND_SOURCE_DIR@', ' '.join(compile_flags))
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))
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config.substitutions.append(('%{link_flags}',
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'-L {0} -Wl,-rpath,{0} -lunwind -ldl {1}'.format('@LIBUNWIND_LIBRARY_DIR@', ' '.join(link_flags))
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))
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config.substitutions.append(('%{exec}', ''))
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import os, site
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site.addsitedir(os.path.join('@LIBUNWIND_LIBCXX_PATH@', 'utils'))
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import libcxx.test.params, libcxx.test.newconfig, libcxx.test.newconfig
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libcxx.test.newconfig.configure(
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libcxx.test.params.DEFAULT_PARAMETERS,
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libcxx.test.features.DEFAULT_FEATURES,
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config,
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lit_config
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)
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