chore: add labels to each FIXME

Author: lvllvl

.cirrus.yml

@@ -3,19 +3,22 @@ task:
   env:
     HOME: /tmp  # cargo cache needs it
     TARGET: x86_64-unknown-freebsd
+    # FIXME(freebsd): FreeBSD has a segfault when `RUST_BACKTRACE` is set
+    # https://github.com/rust-lang/rust/issues/132185
+    RUST_BACKTRACE: "0"
   matrix:
     - name: nightly freebsd-13 i686
       # Test i686 FreeBSD in 32-bit emulation on a 64-bit host.
       env:
         TARGET: i686-unknown-freebsd
       freebsd_instance:
-        image_family: freebsd-13-3
+        image_family: freebsd-13-4
     - name: nightly freebsd-13 x86_64
       freebsd_instance:
-        image_family: freebsd-13-3
+        image_family: freebsd-13-4
     - name: nightly freebsd-14 x86_64
       freebsd_instance:
-        image: freebsd-14-1-release-amd64-ufs
+        image: freebsd-14-2-release-amd64-ufs
     - name: nightly freebsd-15 x86_64
       freebsd_instance:
        image_family: freebsd-15-0-snap

.github/workflows/ci.yaml

@@ -135,7 +135,9 @@ jobs:
           - i686-unknown-linux-musl
           - loongarch64-unknown-linux-gnu
           - loongarch64-unknown-linux-musl
-          - powerpc-unknown-linux-gnu
+          # FIXME(ppc): SIGILL running tests, see
+          # https://github.com/rust-lang/libc/pull/4254#issuecomment-2636288713
+          # - powerpc-unknown-linux-gnu
           - powerpc64-unknown-linux-gnu
           - powerpc64le-unknown-linux-gnu
           - riscv64gc-unknown-linux-gnu

.gitignore

@@ -1,4 +1,3 @@
 target
 Cargo.lock
 *~
-style

README.md

@@ -65,7 +65,7 @@ but this is not guaranteed.
 You can see the platform(target)-specific docs on [docs.rs], select a platform
 you want to see.
 
-See [`ci/build.sh`](https://github.com/rust-lang/libc/blob/HEAD/ci/build.sh) for
+See [`ci/verify-build.sh`](https://github.com/rust-lang/libc/blob/HEAD/ci/verify-build.sh) for
 the platforms on which `libc` is guaranteed to build for each Rust toolchain.
 The test-matrix at [GitHub Actions] and [Cirrus CI] show the platforms in which
 `libc` tests are run.

build.rs

@@ -5,7 +5,7 @@ use std::{env, str};
 // need to know all the possible cfgs that this script will set. If you need to set another cfg
 // make sure to add it to this list as well.
 const ALLOWED_CFGS: &'static [&'static str] = &[
-    "emscripten_new_stat_abi",
+    "emscripten_old_stat_abi",
     "espidf_time32",
     "freebsd10",
     "freebsd11",
@@ -44,7 +44,6 @@ fn main() {
     let rustc_dep_of_std = env::var("CARGO_FEATURE_RUSTC_DEP_OF_STD").is_ok();
     let libc_ci = env::var("LIBC_CI").is_ok();
     let libc_check_cfg = env::var("LIBC_CHECK_CFG").is_ok() || rustc_minor_ver >= 80;
-    let linux_time_bits64 = env::var("RUST_LIBC_UNSTABLE_LINUX_TIME_BITS64").is_ok();
 
     // The ABI of libc used by std is backward compatible with FreeBSD 12.
     // The ABI of libc from crates.io is backward compatible with FreeBSD 12.
@@ -76,11 +75,13 @@ fn main() {
     }
 
     match emcc_version_code() {
-        Some(v) if (v >= 30142) => set_cfg("emscripten_new_stat_abi"),
-        // Non-Emscripten or version < 3.1.42.
-        Some(_) | None => (),
+        Some(v) if (v < 30142) => set_cfg("emscripten_old_stat_abi"),
+        // Non-Emscripten or version >= 3.1.42.
+        _ => (),
     }
 
+    let linux_time_bits64 = env::var("RUST_LIBC_UNSTABLE_LINUX_TIME_BITS64").is_ok();
+    println!("cargo:rerun-if-env-changed=RUST_LIBC_UNSTABLE_LINUX_TIME_BITS64");
     if linux_time_bits64 {
         set_cfg("linux_time_bits64");
     }

ci/emscripten.sh

@@ -3,7 +3,7 @@
 set -eux
 
 # Note: keep in sync with:
-# https://github.com/rust-lang/rust/blob/master/src/ci/docker/scripts/emscripten.sh
+# https://github.com/rust-lang/rust/blob/master/src/doc/rustc/src/platform-support/wasm32-unknown-emscripten.md#requirements
 emsdk_version=3.1.68
 
 git clone https://github.com/emscripten-core/emsdk.git /emsdk-portable

ci/run.sh

@@ -81,6 +81,7 @@ if [ -n "${QEMU:-}" ]; then
 fi
 
 cmd="cargo test --target $target ${LIBC_CI_ZBUILD_STD+"-Zbuild-std"}"
+test_flags="--skip check_style"
 
 # Run tests in the `libc` crate
 case "$target" in
@@ -101,25 +102,31 @@ if [ "$target" = "s390x-unknown-linux-gnu" ]; then
     passed=0
     until [ $n -ge $N ]; do
         if [ "$passed" = "0" ]; then
-            if $cmd --no-default-features; then
+            # shellcheck disable=SC2086
+            if $cmd --no-default-features -- $test_flags; then
                 passed=$((passed+1))
                 continue
             fi
         elif [ "$passed" = "1" ]; then
-            if $cmd; then
+            # shellcheck disable=SC2086
+            if $cmd -- $test_flags; then
                 passed=$((passed+1))
                 continue
             fi
         elif [ "$passed" = "2" ]; then
-            if $cmd --features extra_traits; then
+            # shellcheck disable=SC2086
+            if $cmd --features extra_traits -- $test_flags; then
                 break
             fi
         fi
         n=$((n+1))
         sleep 1
     done
 else
-    $cmd --no-default-features
-    $cmd
-    $cmd --features extra_traits
+    # shellcheck disable=SC2086
+    $cmd --no-default-features -- $test_flags
+    # shellcheck disable=SC2086
+    $cmd -- $test_flags
+    # shellcheck disable=SC2086
+    $cmd --features extra_traits -- $test_flags
 fi

ci/runtest-android.rs

@@ -1,11 +1,11 @@
 use std::env;
-use std::process::Command;
 use std::path::{Path, PathBuf};
+use std::process::Command;
 
 fn main() {
     let args = env::args_os()
         .skip(1)
-        .filter(|arg| arg != "--quiet")
+        .filter(|arg| arg != "--quiet" && arg != "--skip" && arg != "check_style")
         .collect::<Vec<_>>();
     assert_eq!(args.len(), 1);
     let test = PathBuf::from(&args[0]);
@@ -36,14 +36,16 @@ fn main() {
     let stdout = String::from_utf8_lossy(&output.stdout);
     let stderr = String::from_utf8_lossy(&output.stderr);
 
-    println!("status: {}\nstdout ---\n{}\nstderr ---\n{}",
-             output.status,
-             stdout,
-             stderr);
+    println!(
+        "status: {}\nstdout ---\n{}\nstderr ---\n{}",
+        output.status, stdout, stderr
+    );
 
-    if !stderr.lines().any(|l| (l.starts_with("PASSED ") && l.contains(" tests")) || l.starts_with("test result: ok"))
-        && !stdout.lines().any(|l| (l.starts_with("PASSED ") && l.contains(" tests")) || l.starts_with("test result: ok"))
-    {
+    if !stderr.lines().any(|l| {
+        (l.starts_with("PASSED ") && l.contains(" tests")) || l.starts_with("test result: ok")
+    }) && !stdout.lines().any(|l| {
+        (l.starts_with("PASSED ") && l.contains(" tests")) || l.starts_with("test result: ok")
+    }) {
         panic!("failed to find successful test run");
     };
 }