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Diffstat (limited to 'gcc/appveyor.yml')
| -rw-r--r-- | gcc/appveyor.yml | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/appveyor.yml b/gcc/appveyor.yml index f6108c6..aa1edb5 100644 --- a/gcc/appveyor.yml +++ b/gcc/appveyor.yml @@ -1,4 +1,24 @@ environment: + + # At the time this was added AppVeyor was having troubles with checking + # revocation of SSL certificates of sites like static.rust-lang.org and what + # we think is crates.io. The libcurl HTTP client by default checks for + # revocation on Windows and according to a mailing list [1] this can be + # disabled. + # + # The `CARGO_HTTP_CHECK_REVOKE` env var here tells cargo to disable SSL + # revocation checking on Windows in libcurl. Note, though, that rustup, which + # we're using to download Rust here, also uses libcurl as the default backend. + # Unlike Cargo, however, rustup doesn't have a mechanism to disable revocation + # checking. To get rustup working we set `RUSTUP_USE_HYPER` which forces it to + # use the Hyper instead of libcurl backend. Both Hyper and libcurl use + # schannel on Windows but it appears that Hyper configures it slightly + # differently such that revocation checking isn't turned on by default. + # + # [1]: https://curl.haxx.se/mail/lib-2016-03/0202.html + RUSTUP_USE_HYPER: 1 + CARGO_HTTP_CHECK_REVOKE: false + matrix: - TARGET: x86_64-pc-windows-msvc ARCH: amd64 |