| 
      
    LIBCXX_ABI_DEFINES:STRING
      
    LIBCXX_ABI_NAMESPACE:STRING
      
    LIBCXX_ABI_UNSTABLE:BOOL
      
    LIBCXX_ABI_VERSION:STRING
      
    LIBCXX_BENCHMARK_NATIVE_GCC_TOOLCHAIN:STRING
      
    LIBCXX_BENCHMARK_NATIVE_STDLIB:STRING
      
    LIBCXX_BENCHMARK_TEST_ARGS:STRING
      
    LIBCXX_BUILD_32_BITS:BOOL
      
    LIBCXX_CXX_ABI:STRING
      
    LIBCXX_CXX_ABI_INCLUDE_PATHS:PATHS
      
    LIBCXX_CXX_ABI_LIBRARY_PATH:PATH
      
    LIBCXX_ENABLE_ABI_LINKER_SCRIPT:BOOL
      
    LIBCXX_ENABLE_ASSERTIONS:BOOL
      
    LIBCXX_ENABLE_EXCEPTIONS:BOOL
      
    LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY:BOOL
      
    LIBCXX_ENABLE_FILESYSTEM:BOOL
      
    LIBCXX_ENABLE_RTTI:BOOL
      
    LIBCXX_ENABLE_SHARED:BOOL
      
    LIBCXX_ENABLE_STATIC:BOOL
      
    LIBCXX_ENABLE_STATIC_ABI_LIBRARY:BOOL
      
    LIBCXX_HERMETIC_STATIC_LIBRARY:BOOL
       | 
      
    LIBCXX_HIDE_FROM_ABI_PER_TU_BY_DEFAULT:BOOL
      
    LIBCXX_INCLUDE_BENCHMARKS:BOOL
      
    LIBCXX_INSTALL_EXPERIMENTAL_LIBRARY:BOOL
      
    LIBCXX_INSTALL_FILESYSTEM_LIBRARY:BOOL
      
    LIBCXX_INSTALL_HEADERS:BOOL
      
    LIBCXX_INSTALL_LIBRARY:BOOL
      
    LIBCXX_INSTALL_PREFIX:STRING
      
    LIBCXX_LIBDIR_SUFFIX:STRING
      
    libcxx_site_config=<path/to/lit.site.cfg>
      
    LIBCXXABI_USE_LLVM_UNWINDER:BOOL
      
    link_flags="<list-of-args>"
      
    lit command line option
      
    LLVM_BUILD_32_BITS:BOOL
      
    LLVM_LIBDIR_SUFFIX:STRING
      
    LLVM_LIT_ARGS:STRING
       |