gn needs C++17 support to compile
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Saikrishna Arcot
Mar 15, 2020, 1:22:05 PM3/15/20
to chromium-packagers
The source code used to compile gn needs C++17 support. However, the C++ headers in buildtools/third_party directory only have C++14 headers, and Ubuntu Xenial's libstdc++ doesn't have C++17 support. Is it possible to update the headers there to have C++17 support?
Thomas Anderson
Mar 16, 2020, 1:59:00 PM3/16/20
to Saikrishna Arcot, chromium-packagers, Tom Anderson
On Sun, Mar 15, 2020 at 10:22 AM Saikrishna Arcot <saiar...@gmail.com> wrote:
The source code used to compile gn needs C++17 support. However, the C++ headers in buildtools/third_party directory only have C++14 headers,
The headers in buildtools/third_party/libc++ are bleeding edge. They have C++2a support.
and Ubuntu Xenial's libstdc++ doesn't have C++17 support. Is it possible to update the headers there to have C++17 support?
Are you building with tools/gn/bootstrap/bootstrap.py --use-custom-libcxx ? The build_from_tarball bot is running Xenial and builds using that (https://source.chromium.org/chromium/infra/infra/+/master:recipes/recipes/build_from_tarball.py;drc=f03dc51e54cda2deb6d7783ea85d191ca7937a3c;l=116?originalUrl=https:%2F%2Fcs.chromium.org%2F), and the bot is currently green:
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