# when building tests) to allow enabling filesystem for running tests,
# even if it uses a non-permanent ABI.
- # TODO: The CI runner currently uses Clang 11, which doesn't implicitly
- # link in oldnames.lib (which is needed for some tests) when compiling
- # with the plain "clang" driver, as the tests do (as opposed to using
- # the "clang-cl" driver for compiling). When the CI runner runs
- # Clang 12, the "-loldnames" option can be dropped.
-
# TODO: Currently, building with the experimental library breaks running
# tests (the test linking look for the c++experimental library with the
# wrong name, and the statically linked c++experimental can't be linked
-DLIBCXX_ENABLE_EXPERIMENTAL_LIBRARY=NO \
-DLIBCXX_ENABLE_FILESYSTEM=YES \
-DCMAKE_CXX_FLAGS="-D_LIBCPP_HAS_NO_INT128" \
- -DLIBCXX_TEST_COMPILER_FLAGS="-D_LIBCPP_HAS_NO_INT128" \
- -DLIBCXX_TEST_LINKER_FLAGS="-loldnames"
+ -DLIBCXX_TEST_COMPILER_FLAGS="-D_LIBCPP_HAS_NO_INT128"
echo "+++ Running the libc++ tests"
${NINJA} -vC "${BUILD_DIR}" check-cxx
;;
# libcxx CMakeLists.txt if building targeting msvc.
self.cxx.link_flags += ['-l%s%s' % (lib, debug_suffix) for lib in
['vcruntime', 'ucrt', 'msvcrt', 'msvcprt']]
+ # The compiler normally links in oldnames.lib too, but we've
+ # specified -nostdlib above, so we need to specify it manually.
+ self.cxx.link_flags += ['-loldnames']
elif cxx_abi == 'none' or cxx_abi == 'default':
if self.target_info.is_windows():
debug_suffix = 'd' if self.debug_build else ''