[MacPorts] #62839: py38-cryptography @3.4.7+universal: error[E0463]: can't find crate for `core`

[MacPorts]

#62839: py38-cryptography @3.4.7+universal: error[E0463]: can't find crate for
`core`
------------------------+-----------------------------
 Reporter:  ryandesign  |      Owner:  stromnov
     Type:  defect      |     Status:  assigned
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.6.99
 Keywords:  highsierra  |       Port:  py-cryptography
------------------------+-----------------------------
 py38-cryptography fails to build with the universal variant on High
 Sierra:

 {{{
 :info:build error[E0463]: can't find crate for `core`
 :info:build   |
 :info:build   = note: the `i686-apple-darwin` target may not be installed
 :info:build error[E0463]: can't find crate for `core`
 :info:build   |
 :info:build   = note: the `i686-apple-darwin` target may not be installed
 :info:build error[E0463]: can't find crate for `core`
 :info:build   |
 :info:build   = note: the `i686-apple-darwin` target may not be installed
 :info:build error: aborting due to previous error
 :info:build error: aborting due to previous error
 :info:build For more information about this error, try `rustc --explain
 E0463`.
 :info:build For more information about this error, try `rustc --explain
 E0463`.
 :info:build error: aborting due to previous error
 :info:build For more information about this error, try `rustc --explain
 E0463`.
 :info:build error: could not compile `smallvec`
 :info:build Caused by:
 :info:build   process didn't exit successfully: `rustc --crate-name
 smallvec --edition=2018 /opt/local/var/macports/build
 /_Users_rschmidt_macports_macports-ports-ryandesign-fork_python_py-
 cryptography/py38-cryptography/work/.home/.cargo/macports/smallvec-1.6.1/src/lib.rs
 --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type
 lib --emit=dep-info,metadata,link -C opt-level=3 -C linker-plugin-lto -C
 metadata=f34bfd05c5902fe9 -C extra-filename=-f34bfd05c5902fe9 --out-dir
 /opt/local/var/macports/build/_Users_rschmidt_macports_macports-ports-
 ryandesign-fork_python_py-
 cryptography/py38-cryptography/work/cryptography-3.4.7-i386/src/rust/target/i686
 -apple-darwin/release/deps --target i686-apple-darwin -L
 dependency=/opt/local/var/macports/build
 /_Users_rschmidt_macports_macports-ports-ryandesign-fork_python_py-
 cryptography/py38-cryptography/work/cryptography-3.4.7-i386/src/rust/target/i686
 -apple-darwin/release/deps -L dependency=/opt/local/var/macports/build
 /_Users_rschmidt_macports_macports-ports-ryandesign-fork_python_py-
 cryptography/py38-cryptography/work/cryptography-3.4.7-i386/src/rust/target/release/deps
 --cap-lints allow -C linker=/usr/bin/clang -C 'link-
 args=-Wl,-install_name, at rpath/_rust.abi3.so'` (exit code: 1)
 :info:build warning: build failed, waiting for other jobs to finish...
 :info:build error: build failed
 :info:build cargo rustc --lib --manifest-path src/rust/Cargo.toml
 --features pyo3/abi3-py36 pyo3/extension-module --target i686-apple-darwin
 --release --verbose -- --crate-type cdylib -C link-arg=-undefined -C link-
 arg=dynamic_lookup
 :info:build     =============================DEBUG
 ASSISTANCE=============================
 :info:build     If you are seeing a compilation error please try the
 following steps to
 :info:build     successfully install cryptography:
 :info:build     1) Upgrade to the latest pip and try again. This will fix
 errors for most
 :info:build        users. See: https://pip.pypa.io/en/stable/installing
 /#upgrading-pip
 :info:build     2) Read
 https://cryptography.io/en/latest/installation.html for specific
 :info:build        instructions for your platform.
 :info:build     3) Check our frequently asked questions for more
 information:
 :info:build        https://cryptography.io/en/latest/faq.html
 :info:build     4) Ensure you have a recent Rust toolchain installed:
 :info:build
 https://cryptography.io/en/latest/installation.html#rust
 :info:build     5) If you are experiencing issues with Rust for *this
 release only* you may
 :info:build        set the environment variable
 `CRYPTOGRAPHY_DONT_BUILD_RUST=1`.
 :info:build     =============================DEBUG
 ASSISTANCE=============================
 :info:build
 :info:build error: cargo failed with code: 101
 }}}

 I guess since it uses rust now it has to set `supported_archs arm64
 x86_64` like rust does.

-- 
Ticket URL: <https://trac.macports.org/ticket/62839>
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