aws-lc-sys v0.37.0 fails to build for musl mipsel with fatal error: linux/random.h: No such file or directory #894

[arontsang]

Problem:

build a project depending on aws-lc-sys v0.32.0 for musl targets, e.g. cargo +nightly build --target=mipsel-unknown-linux-musl --release -Zbuild-std=panic_abort,core,std fails with:

cargo:warning=Compilation of 'linux_random_h.c' failed - Err(Error { kind: ToolExecError, message: "command did not execute successfully (status code exit status: 1): LC_ALL=\"C\" \"/home/aron/.cache/cargo-zigbuild/0.20.1/zigcc-mipsel-unknown-linux-musl-fb3a.sh\" \"-Oz\" \"-ffunction-sections\" \"-fdata-sections\" \"-fPIC\" \"--target=mipsel-unknown-linux-musl\" \"-Werror\" \"-Wall\" \"-Wextra\" \"-DDEFINE_U32\" \"-Wno-unused-parameter\" \"-o\" \"/home/foobar/rust-projects/quic-dns/target/mipsel-unknown-linux-musl/release/build/aws-lc-sys-3a36cd19b26f515e/out/out-linux_random_h/7dfda64fdf5a526c-linux_random_h.o\" \"-c\" \"/home/foobar/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/aws-lc-sys-0.37.0/aws-lc/tests/compiler_features_tests/linux_random_h.c\"" }).

Relevant details

AWS-LC for Rust versions or commit: 0.37

System information: for linux, below info can be collected by running uname -srvmp

• CPU architecture: x86_64 (cross compile to mipsel)
• CPU name: unknown (actually AMD Ryzen 3600)
• OS: Linux 6.6.87.2-microsoft-standard-WSL2

[justsmth]

Hello!

I see the error mentions aws-lc-sys-0.37.0/aws-lc/tests/compiler_features_tests/linux_random_h.c

This message relates to a compiler_features_tests, which are expected to fail in some environments -- this alone should not cause a build failure. Do you have a more complete output listing?