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| author | Eric Fiselier <eric@efcs.ca> | 2017-05-26 01:52:59 +0000 |
|---|---|---|
| committer | Eric Fiselier <eric@efcs.ca> | 2017-05-26 01:52:59 +0000 |
| commit | eb04c8cae2f0867c3959285a992f5319b8d6cfc7 (patch) | |
| tree | 7f943ee012222a8e5c89b2d6f49df1b51dfb6682 /llvm/lib/Object/WasmObjectFile.cpp | |
| parent | f56a6d84b6b7c3432db6c2ed7280d3dbe3cb4f3d (diff) | |
| download | llvm-eb04c8cae2f0867c3959285a992f5319b8d6cfc7.zip llvm-eb04c8cae2f0867c3959285a992f5319b8d6cfc7.tar.gz llvm-eb04c8cae2f0867c3959285a992f5319b8d6cfc7.tar.bz2 | |
Guard <experimental/coroutine> against older Clang versions.
Clang started providing -fcoroutines and defining __cpp_coroutines
way before it implemented the __builtin_coro_foo functions. This
means that simply checking if __cpp_coroutines is not a sufficient
way of detecting the actual feature.
This patch implements _LIBCPP_HAS_NO_COROUTINES which implements
a slightly more complex feature check. Specifically it requires
__cpp_coroutines >= 201703L, which only holds for Clang 5.0 built
after 2017/05/24.
llvm-svn: 303956
Diffstat (limited to 'llvm/lib/Object/WasmObjectFile.cpp')
0 files changed, 0 insertions, 0 deletions