Add base definitions for riscv64 + musl

[kanavin]

This is picking up the stale MR that was closed for inactivity:
#1994

[rust-highfive]

Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @Amanieu (or someone else) soon.

Please see the contribution instructions for more information.

[Amanieu]

@bors r+

[bors]

📌 Commit ec848bc has been approved by Amanieu

[bors]

⌛ Testing commit ec848bc with merge c001075...

[bors]

💔 Test failed - checks-actions

[kanavin]

broken_heart Test failed - checks-actions

Seems like the failure is not related to the MR?
https://github.com/rust-lang/libc/runs/4219812265?check_suite_focus=true

[JohnTitor]

It's allow-to-fail, the actual failure is https://github.com/rust-lang/libc/runs/4220070674?check_suite_focus=true

[kanavin]

It's allow-to-fail, the actual failure is https://github.com/rust-lang/libc/runs/4220070674?check_suite_focus=true

error[E0463]: can't find crate for `core`
  |
  = note: the `riscv64gc-unknown-linux-musl` target may not be installed
  = help: consider downloading the target with `rustup target add riscv64gc-unknown-linux-musl`
  = help: consider building the standard library from source with `cargo build -Zbuild-std`

I believe that is now a valid rust target, so not sure how to address the failure?

[Amanieu]

There is no pre-build std in rustup for this target. You need to add it to RUST_LINUX_NO_CORE_TARGETS instead.

[kanavin]

There is no pre-build std in rustup for this target. You need to add it to RUST_LINUX_NO_CORE_TARGETS instead.

Done.

[Amanieu]

@bors r+

[bors]

📌 Commit 8d68878 has been approved by Amanieu

[bors]

⌛ Testing commit 8d68878 with merge 968d0e7...

[bors]

💔 Test failed - checks-actions

[kanavin]

I guess all of the following definitions should be dropped?

error: type alias is never used: `c_long`
  --> src/unix/linux_like/linux/musl/b64/riscv64/mod.rs:4:1
   |
4  | pub type c_long = i64;
   | ^^^^^^^^^^^^^^^^^^^^^^
   |
note: the lint level is defined here
  --> src/lib.rs:18:38
   |
18 | #![cfg_attr(libc_deny_warnings, deny(warnings))]
   |                                      ^^^^^^^^
   = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`

error: type alias is never used: `c_ulong`
 --> src/unix/linux_like/linux/musl/b64/riscv64/mod.rs:5:1
  |
5 | pub type c_ulong = u64;
  | ^^^^^^^^^^^^^^^^^^^^^^^

error: type alias is never used: `suseconds_t`
  --> src/unix/linux_like/linux/musl/b64/riscv64/mod.rs:12:1
   |
12 | pub type suseconds_t = i64;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SOL_SOCKET`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:18:1
   |
18 | pub const SOL_SOCKET: ::c_int = 1;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_REUSEADDR`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:22:1
   |
22 | pub const SO_REUSEADDR: ::c_int = 2;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_TYPE`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:23:1
   |
23 | pub const SO_TYPE: ::c_int = 3;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_ERROR`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:24:1
   |
24 | pub const SO_ERROR: ::c_int = 4;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_DONTROUTE`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:25:1
   |
25 | pub const SO_DONTROUTE: ::c_int = 5;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_BROADCAST`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:26:1
   |
26 | pub const SO_BROADCAST: ::c_int = 6;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_SNDBUF`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:27:1
   |
27 | pub const SO_SNDBUF: ::c_int = 7;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_RCVBUF`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:28:1
   |
28 | pub const SO_RCVBUF: ::c_int = 8;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_KEEPALIVE`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:29:1
   |
29 | pub const SO_KEEPALIVE: ::c_int = 9;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_OOBINLINE`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:30:1
   |
30 | pub const SO_OOBINLINE: ::c_int = 10;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_NO_CHECK`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:31:1
   |
31 | pub const SO_NO_CHECK: ::c_int = 11;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_PRIORITY`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:32:1
   |
32 | pub const SO_PRIORITY: ::c_int = 12;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_LINGER`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:33:1
   |
33 | pub const SO_LINGER: ::c_int = 13;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_BSDCOMPAT`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:34:1
   |
34 | pub const SO_BSDCOMPAT: ::c_int = 14;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_REUSEPORT`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:35:1
   |
35 | pub const SO_REUSEPORT: ::c_int = 15;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_PASSCRED`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:36:1
   |
36 | pub const SO_PASSCRED: ::c_int = 16;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_PEERCRED`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:37:1
   |
37 | pub const SO_PEERCRED: ::c_int = 17;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_RCVLOWAT`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:38:1
   |
38 | pub const SO_RCVLOWAT: ::c_int = 18;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_SNDLOWAT`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:39:1
   |
39 | pub const SO_SNDLOWAT: ::c_int = 19;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_RCVTIMEO`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:40:1
   |
40 | pub const SO_RCVTIMEO: ::c_int = 20;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_SNDTIMEO`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:41:1
   |
41 | pub const SO_SNDTIMEO: ::c_int = 21;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_ACCEPTCONN`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:54:1
   |
54 | pub const SO_ACCEPTCONN: ::c_int = 30;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_SNDBUFFORCE`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:56:1
   |
56 | pub const SO_SNDBUFFORCE: ::c_int = 32;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_RCVBUFFORCE`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:57:1
   |
57 | pub const SO_RCVBUFFORCE: ::c_int = 33;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_PROTOCOL`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:64:1
   |
64 | pub const SO_PROTOCOL: ::c_int = 38;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `SO_DOMAIN`
  --> src/unix/linux_like/linux/arch/generic/mod.rs:65:1
   |
65 | pub const SO_DOMAIN: ::c_int = 39;
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `TIOCMGET`
   --> src/unix/linux_like/linux/arch/generic/mod.rs:115:1
    |
115 | pub const TIOCMGET: ::c_ulong = 0x5415;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `TIOCMBIS`
   --> src/unix/linux_like/linux/arch/generic/mod.rs:116:1
    |
116 | pub const TIOCMBIS: ::c_ulong = 0x5416;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `TIOCMBIC`
   --> src/unix/linux_like/linux/arch/generic/mod.rs:117:1
    |
117 | pub const TIOCMBIC: ::c_ulong = 0x5417;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `TIOCMSET`
   --> src/unix/linux_like/linux/arch/generic/mod.rs:118:1
    |
118 | pub const TIOCMSET: ::c_ulong = 0x5418;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `TIOCM_LE`
   --> src/unix/linux_like/linux/arch/generic/mod.rs:124:1
    |
124 | pub const TIOCM_LE: ::c_int = 0x001;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `TIOCM_DTR`
   --> src/unix/linux_like/linux/arch/generic/mod.rs:125:1
    |
125 | pub const TIOCM_DTR: ::c_int = 0x002;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `TIOCM_RTS`
   --> src/unix/linux_like/linux/arch/generic/mod.rs:126:1
    |
126 | pub const TIOCM_RTS: ::c_int = 0x004;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `TIOCM_ST`
   --> src/unix/linux_like/linux/arch/generic/mod.rs:127:1
    |
127 | pub const TIOCM_ST: ::c_int = 0x008;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `TIOCM_SR`
   --> src/unix/linux_like/linux/arch/generic/mod.rs:128:1
    |
128 | pub const TIOCM_SR: ::c_int = 0x010;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `TIOCM_CTS`
   --> src/unix/linux_like/linux/arch/generic/mod.rs:129:1
    |
129 | pub const TIOCM_CTS: ::c_int = 0x020;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `TIOCM_CAR`
   --> src/unix/linux_like/linux/arch/generic/mod.rs:130:1
    |
130 | pub const TIOCM_CAR: ::c_int = 0x040;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `TIOCM_CD`
   --> src/unix/linux_like/linux/arch/generic/mod.rs:131:1
    |
131 | pub const TIOCM_CD: ::c_int = TIOCM_CAR;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `TIOCM_RNG`
   --> src/unix/linux_like/linux/arch/generic/mod.rs:132:1
    |
132 | pub const TIOCM_RNG: ::c_int = 0x080;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `TIOCM_RI`
   --> src/unix/linux_like/linux/arch/generic/mod.rs:133:1
    |
133 | pub const TIOCM_RI: ::c_int = TIOCM_RNG;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: constant is never used: `TIOCM_DSR`
   --> src/unix/linux_like/linux/arch/generic/mod.rs:134:1
    |
134 | pub const TIOCM_DSR: ::c_int = 0x100;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

[Amanieu]

I'm... not exactly sure why this is failing on macos...

[kanavin]

I'm... not exactly sure why this is failing on macos...

Yes, seems completely unrelated. I'll trigger a CI once more.

[kanavin]

Maybe the failure was because the commits weren't rebased on latest master.

[Amanieu]

@bors r+

[bors]

📌 Commit f699c8f has been approved by Amanieu

[bors]

⌛ Testing commit f699c8f with merge 83ffbee...

[bors]

☀️ Test successful - checks-actions, checks-cirrus-freebsd-11, checks-cirrus-freebsd-12, checks-cirrus-freebsd-13
Approved by: Amanieu
Pushing 83ffbee to master...