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Tracking issue for cross-compiling doc tests (doctest-xcompile) #7040

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Goirad opened this issue Jun 18, 2019 · 0 comments
Open

Tracking issue for cross-compiling doc tests (doctest-xcompile) #7040

Goirad opened this issue Jun 18, 2019 · 0 comments
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A-doctests Area: rustdoc --test C-tracking-issue Category: A tracking issue for something unstable. Command-test S-waiting-on-feedback Status: An implemented feature is waiting on community feedback for bugs or design concerns. Z-doctest-xcompile Nightly: doctest-xcompile

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@Goirad
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Goirad commented Jun 18, 2019 •
edited by ehuss
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Implementation: #6892
Rustc tracking issue: rust-lang/rust#64245
Documentation: https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#doctest-xcompile
Issues: Z-doctest-xcompile Nightly: doctest-xcompile

This PR adds the unstable -Zdoctest-xcompile flag to cargo. When present, instead of skipping doctests when host != target as it does now, cargo parses the runner field for target from .cargo/config and passes that to rustdoc. See here for the companion PR in rust that adds the necessary functionality to rustdoc. The flag also enables a new unstable --enable-per-target-ignores flag in rustdoc, allowing the use of compiletest-style --ignore-foo annotations for doctests so that they are ignored on a per-target basis. The motivation for these PRs, along with another modifying compiltest and bootstrap (not yet submitted), is to allow bootstrap to utilize the many doctests found in the various crates in the rust compiler, notably libstd and libcore.

This should add uniformity and expand testsuites for projects that build for other platforms, since the runner field is already used by cargo test.
@Goirad Goirad added the C-feature-request Category: proposal for a feature. Before PR, ping rust-lang/cargo if this is not `Feature accepted` label Jun 18, 2019
@Goirad Goirad mentioned this issue Jun 18, 2019
Merged
@ehuss ehuss added C-tracking-issue Category: A tracking issue for something unstable. Command-test and removed C-feature-request Category: proposal for a feature. Before PR, ping rust-lang/cargo if this is not `Feature accepted` labels Jun 18, 2019
bors added a commit that referenced this issue Sep 18, 2019
@bors
Auto merge of #6892 - Goirad:doctest-xcompile, r=alexcrichton
eadbaec 
Added ability to crosscompile doctests

This commit adds the ability to cross-compile and run doctests.
Like before cargo checks if target == host, the difference is that if there is a runtool defined in config.toml, it passes the information forward to rustdoc so that it can run the doctests with that tool. If no tool is defined and the target != host, cargo instead displays a message that doctests will not be compiled because of the missing runtool.

See [here](rust-lang/rust#60387) for the companion PR in the rust project that modifies rustdoc to accept the relevant options as well as allow ignoring doctests on a per target level.
Partially resolves [#6460](#6460)

See [here](#7040) for the tracking issue.
@ehuss ehuss added the Z-doctest-xcompile Nightly: doctest-xcompile label Sep 21, 2019
@ehuss ehuss changed the title Tracking issue for PR #6892 : Cross-compiling doc tests Tracking issue for cross-compiling doc tests (doctest-xcompile) Dec 30, 2019
@ehuss ehuss mentioned this issue Apr 15, 2020
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This was referenced Jun 14, 2020
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@RalfJung RalfJung mentioned this issue Jan 24, 2021
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@Ilia-Kosenkov Ilia-Kosenkov mentioned this issue Nov 11, 2021
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@ranile ranile mentioned this issue Apr 6, 2022
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@weihanglo weihanglo mentioned this issue Apr 22, 2022
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@Alexhuszagh Alexhuszagh mentioned this issue May 26, 2022
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Alexhuszagh added a commit to Alexhuszagh/cross that referenced this issue May 26, 2022
@Alexhuszagh
Add preliminary support for running doctests.
803321b 
This partially addresses cross-rs#225.

This only works on nightly, due to the use of the unstable feature [doctest-xcompile](https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#doctest-xcompile)

The relevant tracking issues are:
- rust-lang/cargo#7040
- rust-lang/rust#64245

If the subcommand is `test` and the compiler is nightly, we provide the `-Zdoctest-xcompile` flag if `CROSS_UNSTABLE_ENABLE_DOCTESTS=true`.
@Alexhuszagh Alexhuszagh mentioned this issue May 26, 2022
Merged
Alexhuszagh added a commit to Alexhuszagh/cross that referenced this issue May 26, 2022
@Alexhuszagh
Add preliminary support for running doctests.
9039308 
This partially addresses cross-rs#225.

This only works on nightly, due to the use of the unstable feature [doctest-xcompile](https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#doctest-xcompile)

The relevant tracking issues are:
- rust-lang/cargo#7040
- rust-lang/rust#64245

If the subcommand is `test` and the compiler is nightly, we provide the `-Zdoctest-xcompile` flag if `CROSS_UNSTABLE_ENABLE_DOCTESTS=true`.
Alexhuszagh added a commit to Alexhuszagh/cross that referenced this issue May 26, 2022
@Alexhuszagh
Add preliminary support for running doctests.
fdcd3e9 
This partially addresses cross-rs#225.

This only works on nightly, due to the use of the unstable feature [doctest-xcompile](https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#doctest-xcompile)

The relevant tracking issues are:
- rust-lang/cargo#7040
- rust-lang/rust#64245

If the subcommand is `test` and the compiler is nightly, we provide the `-Zdoctest-xcompile` flag if `CROSS_UNSTABLE_ENABLE_DOCTESTS=true`.
Alexhuszagh added a commit to Alexhuszagh/cross that referenced this issue May 26, 2022
@Alexhuszagh
Add preliminary support for running doctests.
e4f896c 
This partially addresses cross-rs#225.

This only works on nightly, due to the use of the unstable feature [doctest-xcompile](https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#doctest-xcompile)

The relevant tracking issues are:
- rust-lang/cargo#7040
- rust-lang/rust#64245

If the subcommand is `test` and the compiler is nightly, we provide the `-Zdoctest-xcompile` flag if `CROSS_UNSTABLE_ENABLE_DOCTESTS=true`.
bors bot added a commit to cross-rs/cross that referenced this issue May 26, 2022
@bors @Alexhuszagh
Merge #721
459e03e 
721: Add preliminary support for running doctests. r=Emilgardis a=Alexhuszagh

This partially addresses #225.

This only works on nightly, due to the use of the unstable feature [doctest-xcompile](https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#doctest-xcompile)

The relevant tracking issues are:
- rust-lang/cargo#7040
- rust-lang/rust#64245

If the subcommand is `test` and the compiler is nightly, we provide the `-Zdoctest-xcompile` flag if `CROSS_UNSTABLE_ENABLE_DOCTESTS=true`.

Co-authored-by: Alex Huszagh <ahuszagh@gmail.com>
@ehuss ehuss mentioned this issue Aug 13, 2022
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@Ilia-Kosenkov Ilia-Kosenkov mentioned this issue Dec 17, 2022
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@vadorovsky vadorovsky mentioned this issue Dec 27, 2022
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@Tom01098 Tom01098 mentioned this issue Dec 29, 2022
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This was referenced Mar 27, 2023
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@ehuss ehuss added the S-waiting-on-feedback Status: An implemented feature is waiting on community feedback for bugs or design concerns. label Apr 25, 2023
@weihanglo weihanglo added the A-doctests Area: rustdoc --test label May 14, 2023
@BurntSushi BurntSushi mentioned this issue Jun 4, 2023
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@weihanglo weihanglo mentioned this issue Aug 12, 2023
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@epage epage moved this to Unstable, no backers in Cargo Roadmap Sep 5, 2023
@Nemo157 Nemo157 mentioned this issue Dec 21, 2023
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@ehuss ehuss mentioned this issue Jul 4, 2024
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A-doctests Area: rustdoc --test C-tracking-issue Category: A tracking issue for something unstable. Command-test S-waiting-on-feedback Status: An implemented feature is waiting on community feedback for bugs or design concerns. Z-doctest-xcompile Nightly: doctest-xcompile
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