From a41b0f31dea3e62b006ac815bf628600676b328f Mon Sep 17 00:00:00 2001 From: Romain Naour Date: Fri, 25 Feb 2022 09:30:37 +0100 Subject: [PATCH] package/rust: set musl-root for musl toolchains Without musl-root in config.toml the build stop with the following error: thread 'main' panicked at 'couldn't find libc.a in musl libdir: output/host/arm-buildroot-linux-musleabihf/sysroot/lib/lib', src/bootstrap/sanity.rs:192:25 musl-root is needed to provide the path to libc.a and libunwind.a because rust link them statically into the standard library and liblibc [1]. For other libc, musl-root is not used and ignored [2]. [1] https://github.com/rust-lang/rust/commit/cd980b3bee5bd48e8a6cd4c0d7c8e0fb0fdb64dd [2] https://github.com/rust-lang/rust/blob/1.58.1/src/bootstrap/sanity.rs#L181 Signed-off-by: Romain Naour Signed-off-by: Arnout Vandecappelle (Essensium/Mind) --- package/rust/rust.mk | 1 + 1 file changed, 1 insertion(+) diff --git a/package/rust/rust.mk b/package/rust/rust.mk index 3c560882ca..cd8c87b68d 100644 --- a/package/rust/rust.mk +++ b/package/rust/rust.mk @@ -56,6 +56,7 @@ define HOST_RUST_CONFIGURE_CMDS echo 'sysconfdir = "$(HOST_DIR)/etc"'; \ echo '[rust]'; \ echo 'channel = "stable"'; \ + echo 'musl-root = "$(STAGING_DIR)"' ; \ echo '[target.$(RUSTC_TARGET_NAME)]'; \ echo 'cc = "$(TARGET_CROSS)gcc"'; \ echo '[llvm]'; \