ci: install musl from source for loongarch64

(backport <https://github.com/rust-lang/libc/pull/4320>)
(cherry picked from commit ec47180e5551a6424a0b2ef555faaea7286f751e)

ci: sparc64: fix 'cannot find libc' error

Signed-off-by: Pedro Tammela <[email protected]>

(backport <https://github.com/rust-lang/libc/pull/4317>)
(cherry picked from commit 1ae6552373ad8f3ee623

ci: sparc64: fix 'cannot find libc' error

Signed-off-by: Pedro Tammela <[email protected]>

(backport <https://github.com/rust-lang/libc/pull/4317>)
(cherry picked from commit 1ae6552373ad8f3ee6235b78f3a722dfa9f89bb7)

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ci: update musl headers to Linux 6.6

Update the musl headers in CI to use alpine-linux instead of sabotage-linux.
Alpine also uses musl but follows the linux stable releases, providing more up-to-da

ci: update musl headers to Linux 6.6

Update the musl headers in CI to use alpine-linux instead of sabotage-linux.
Alpine also uses musl but follows the linux stable releases, providing more up-to-date headers.

Signed-off-by: Pedro Tammela <[email protected]>

(backport <https://github.com/rust-lang/libc/pull/3921>)
(cherry picked from commit acc75e75f119483a56fb46e06951004e8cfa5594)

Signed-off-by: Trevor Gross <[email protected]>

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use `qemu-sparc64` to run sparc64 tests

(backport <https://github.com/rust-lang/libc/pull/4133>)
(cherry picked from commit e580f566c0010913fcb24241ae1907a724534fdd)

ci: Use `./` with shebangs rather than `sh` or `bash`

The scripts say how they should execute, there isn't any reason to
duplicate this wherever they are called.

(backport <https://github.com/rust-

ci: Use `./` with shebangs rather than `sh` or `bash`

The scripts say how they should execute, there isn't any reason to
duplicate this wherever they are called.

(backport <https://github.com/rust-lang/libc/pull/4124>)
(cherry picked from commit 4707c5db583477e83961eef1b40df2fe5e016fe4)

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ci: Add a note about the sparc Ubuntu version

(backport <https://github.com/rust-lang/libc/pull/4120>)
(cherry picked from commit 0e8d8d2f9754ac330969eb928df863b405c74d09)

ci: Change 32-bit Docker images to use EOL repos

(backport <https://github.com/rust-lang/libc/pull/4120>)
(cherry picked from commit 9830960c19c53b1527593413e0f55c8cfb067344)

ci: Change 64-bit Docker images to ubuntu:24.10

23.10 is EOL so update to the latest stable version. This change
excludes sparc which is stuck on an older version.

(backport <https://github.com/rus

ci: Change 64-bit Docker images to ubuntu:24.10

23.10 is EOL so update to the latest stable version. This change
excludes sparc which is stuck on an older version.

(backport <https://github.com/rust-lang/libc/pull/4120>)
(cherry picked from commit 0c9abeff5569581f2f459524194b5bfca693bbd8)

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ci: Set `-u` (error on unset) in all script files

This is a pretty common flag to reduce errors. Make use of it here.

(backport <https://github.com/rust-lang/libc/pull/4108>)
(cherry picked from co

ci: Set `-u` (error on unset) in all script files

This is a pretty common flag to reduce errors. Make use of it here.

(backport <https://github.com/rust-lang/libc/pull/4108>)
(cherry picked from commit 59a18de777622bccd8be5afce1248cfbfd32f607)

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ci: add support for loongarch64-unknown-linux-musl

(backport <https://github.com/rust-lang/libc/pull/4092>)
(cherry picked from commit e03b59445a1b2b7e41f9ad72ae6ecc8598808ea8)

ci: make scripts more uniform

Perform the following style changes:

- Only use uppercase variable names if they are exported
- Only use `${...}` syntax when joining with other strings, `$...`
othe

ci: make scripts more uniform

Perform the following style changes:

- Only use uppercase variable names if they are exported
- Only use `${...}` syntax when joining with other strings, `$...`
otherwise
- Use `CARGO_TERM_VERBOSE` rather than always passing `-v`
- Indent is always four spaces
- Fix shellcheck errors in all shell scripts
- Rewrap some long or complex commands
- Replace redundant `| \` with just `|`

(backport <https://github.com/rust-lang/libc/pull/4042>)
(cherry picked from commit eddb526e06708e64557089dff59ad60e759ab443)

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ci: add support for loongarch64-unknown-linux-gnu

(backport <https://github.com/rust-lang/libc/pull/4000>)
(cherry picked from commit 705bb126beac872f2899487ec93886fea3fe3598)

Add `wasm32-wasip2` to the test matrix on CI

This is similar to #3869 except that it adds tests for `wasm32-wasip2`
in addition to `wasm32-wasip1`. This is intended to eventually empower
definitions

Add `wasm32-wasip2` to the test matrix on CI

This is similar to #3869 except that it adds tests for `wasm32-wasip2`
in addition to `wasm32-wasip1`. This is intended to eventually empower
definitions from rust-lang/rust#129638 to move into this repository.

(backport <https://github.com/rust-lang/libc/pull/3870>)
(cherry picked from commit 15f8c4445680c88def0695ecff088dfa35874301)

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Re-enable testing of WASI on CI

This commit updates CI to resume testing WASI. This updates the
container and testing scripts from historical processes to more modern
ones, e.g. downloading wasi-sdk

Re-enable testing of WASI on CI

This commit updates CI to resume testing WASI. This updates the
container and testing scripts from historical processes to more modern
ones, e.g. downloading wasi-sdk instead of compiling a custom toolchain.
This should make it easier to update in the future and keep it in sync
with rust-lang/rust as well.

This also required a few minor fixes such as:

* The `S_IFIFO` and `S_IFMT` constants had incorrect values.
* The `CLOCK_*` definitions cause `ctest2`'s parsing to panic to they're
skipped with a new `#[cfg]`.
* A new `langinfo.h` header was added to the list to include.
* Some historically skipped checks were removed since they're no longer
necessary.
* Checks for `__errno_location` are disabled since that doesn't actually
exist in headers.
* Checks for `select` are disabled because the Rust definition got the
`const`-ness swapped for the final `timeval` argument.

(backport <https://github.com/rust-lang/libc/pull/3869>)
[ resolve conflicts - Trevor ]
(cherry picked from commit 7c10562845682f605d361d1c7d0fbfa38180bc87)

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Revert "Upgrade Docker images to Ubuntu 23.10" on sparc64

This partially reverts commit 946c348bc7ce61fb8b92c27ea8328c8fbbcecf72.

The test binaries were getting a symbol version for `GLIBC_2.38`, b

Revert "Upgrade Docker images to Ubuntu 23.10" on sparc64

This partially reverts commit 946c348bc7ce61fb8b92c27ea8328c8fbbcecf72.

The test binaries were getting a symbol version for `GLIBC_2.38`, but
the debian-11 image used for qemu doesn't have that new of glibc.

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Upgrade Android NDK version

Upgrade FreeBSD ABi used on std to 12

Downgrade CI support for MIPS

Upgrade Docker images to Ubuntu 23.10

Use the latest Debian for SPARC64

Signed-off-by: Yuki Okushi <[email protected]>

Downgrade to Ubuntu 20.04 on sparc64

...because of glibc version mismatching between Debian and Ubuntu.

Signed-off-by: Yuki Okushi <[email protected]>

Try to update emsdk version

Signed-off-by: Yuki Okushi <[email protected]>

Update Docker image to Ubuntu 22.04

Signed-off-by: Yuki Okushi <[email protected]>

Add musl's lib folder to library search path

Prior to this change, `libc.a` was being found in rustc's self-contained
musl target folder instead of the `libc.a` that we've built or
downloaded. This

Add musl's lib folder to library search path

Prior to this change, `libc.a` was being found in rustc's self-contained
musl target folder instead of the `libc.a` that we've built or
downloaded. This doesn't seem to have caused any noticeable issues as the
versions of musl we built/installed and the version shipped in rustc's
target matched exactly.

To resolve this, we pass the path to our version of musl's lib folder
directly as a `RUSTFLAG` which causes it to be found first.

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Update mipsel-unknown-linux-musl too.