When features were supplied in cargoBuildFlags, the binaries were built
with these features enabled. Unless checking was disabled, `cargo test`
was executed without these build flags, meaning the binaries were
rebuilt and overwritten without the specified features.
Fix this bug by running tests after the installation phase.
This is supposed to shareDocName to a fallback value if it can't be
determined from looking at the configure script. But the conditional
checked whether shareDocName was set, rather than if it wasn't. This
meant that if shareDocName had been detected from a configure script,
it would be immediately overridden by the package name, and if it
couldn't be detected, shareDocName would remain unset.
This resulted in QEMU installing files like $out/share/doc/index.html,
which should of course have been in $out/share/doc/qemu/index.html.
An interesting side effect of this is that, since
9f8751528c when this code was added, the
detected package name has never actually been used for installing
documentation, because it would always be overridden. So this patch
will actually enable that for the first time, four years later.
Fixes: https://github.com/NixOS/nixpkgs/issues/90486
Cargo sets `CARGO_FEATURE_*` for all features when running a build
script:
https://doc.rust-lang.org/cargo/reference/environment-variables.html#environment-variables-cargo-sets-for-build-scripts
Some crates have build scripts (e.g. openblas-src) that rely on the
feature variables being properly set.
Since we now need several representations of features, this change
also updates `createFeatures` to be a list of features, rather than
`rustc` feature arguments. `configureCrate` and `buildCrate` then
build the required representations as-needed.
Fixes#68978
When building an environment if two paths conflict but one or both are
symbolic links and they resolve to the same real path, the conflict is
discarded because the contents of both paths are the same. One of them
is chosen and there is no need to recur into them in order to build
deeper symbolic links.
We can use cacert to validate that the data passes SSL certificates.
Normally, this doesn’t happen because we already have the hash, but in
the hash = "" case we don’t.
