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-rw-r--r--bootstrap/rust-1.70/0004-Remove-musl_root-and-CRT-fallback-from-musl-targets.patch518
1 files changed, 518 insertions, 0 deletions
diff --git a/bootstrap/rust-1.70/0004-Remove-musl_root-and-CRT-fallback-from-musl-targets.patch b/bootstrap/rust-1.70/0004-Remove-musl_root-and-CRT-fallback-from-musl-targets.patch
new file mode 100644
index 000000000..4d4012781
--- /dev/null
+++ b/bootstrap/rust-1.70/0004-Remove-musl_root-and-CRT-fallback-from-musl-targets.patch
@@ -0,0 +1,518 @@
+From 00ddadaf84312e6d45146becdf89c700f27bef5d Mon Sep 17 00:00:00 2001
+From: Samuel Holland <samuel@sholland.org>
+Date: Fri, 8 Sep 2017 22:11:14 -0500
+Subject: [PATCH 04/13] Remove musl_root and CRT fallback from musl targets
+
+---
+ compiler/rustc_codegen_ssa/src/back/link.rs | 6 +--
+ compiler/rustc_target/src/spec/crt_objects.rs | 25 -----------
+ .../rustc_target/src/spec/linux_musl_base.rs | 4 --
+ config.example.toml | 17 --------
+ src/bootstrap/cc_detect.rs | 27 +-----------
+ src/bootstrap/compile.rs | 42 +------------------
+ src/bootstrap/config.rs | 10 -----
+ src/bootstrap/configure.py | 28 -------------
+ src/bootstrap/lib.rs | 19 ---------
+ src/bootstrap/sanity.rs | 23 ----------
+ .../dist-i586-gnu-i586-i686-musl/Dockerfile | 2 -
+ .../host-x86_64/dist-various-1/Dockerfile | 8 ----
+ .../host-x86_64/dist-various-2/Dockerfile | 3 +-
+ .../host-x86_64/dist-x86_64-musl/Dockerfile | 1 -
+ .../host-x86_64/test-various/Dockerfile | 1 -
+ 15 files changed, 5 insertions(+), 211 deletions(-)
+
+diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs
+index eecfe13bb3eef..5834e48b24e7f 100644
+--- a/compiler/rustc_codegen_ssa/src/back/link.rs
++++ b/compiler/rustc_codegen_ssa/src/back/link.rs
+@@ -1558,7 +1558,7 @@ fn detect_self_contained_mingw(sess: &Session) -> bool {
+ /// Various toolchain components used during linking are used from rustc distribution
+ /// instead of being found somewhere on the host system.
+ /// We only provide such support for a very limited number of targets.
+-fn self_contained(sess: &Session, crate_type: CrateType) -> bool {
++fn self_contained(sess: &Session, _crate_type: CrateType) -> bool {
+ if let Some(self_contained) = sess.opts.cg.link_self_contained {
+ if sess.target.link_self_contained == LinkSelfContainedDefault::False {
+ sess.emit_err(errors::UnsupportedLinkSelfContained);
+@@ -1569,10 +1569,6 @@ fn self_contained(sess: &Session, crate_type: CrateType) -> bool {
+ match sess.target.link_self_contained {
+ LinkSelfContainedDefault::False => false,
+ LinkSelfContainedDefault::True => true,
+- // FIXME: Find a better heuristic for "native musl toolchain is available",
+- // based on host and linker path, for example.
+- // (https://github.com/rust-lang/rust/pull/71769#issuecomment-626330237).
+- LinkSelfContainedDefault::Musl => sess.crt_static(Some(crate_type)),
+ LinkSelfContainedDefault::Mingw => {
+ sess.host == sess.target
+ && sess.target.vendor != "uwp"
+diff --git a/compiler/rustc_target/src/spec/crt_objects.rs b/compiler/rustc_target/src/spec/crt_objects.rs
+index c126390f5a908..63e3074b5b7c2 100644
+--- a/compiler/rustc_target/src/spec/crt_objects.rs
++++ b/compiler/rustc_target/src/spec/crt_objects.rs
+@@ -63,28 +63,6 @@ pub(super) fn all(obj: &'static str) -> CrtObjects {
+ ])
+ }
+
+-pub(super) fn pre_musl_self_contained() -> CrtObjects {
+- new(&[
+- (LinkOutputKind::DynamicNoPicExe, &["crt1.o", "crti.o", "crtbegin.o"]),
+- (LinkOutputKind::DynamicPicExe, &["Scrt1.o", "crti.o", "crtbeginS.o"]),
+- (LinkOutputKind::StaticNoPicExe, &["crt1.o", "crti.o", "crtbegin.o"]),
+- (LinkOutputKind::StaticPicExe, &["rcrt1.o", "crti.o", "crtbeginS.o"]),
+- (LinkOutputKind::DynamicDylib, &["crti.o", "crtbeginS.o"]),
+- (LinkOutputKind::StaticDylib, &["crti.o", "crtbeginS.o"]),
+- ])
+-}
+-
+-pub(super) fn post_musl_self_contained() -> CrtObjects {
+- new(&[
+- (LinkOutputKind::DynamicNoPicExe, &["crtend.o", "crtn.o"]),
+- (LinkOutputKind::DynamicPicExe, &["crtendS.o", "crtn.o"]),
+- (LinkOutputKind::StaticNoPicExe, &["crtend.o", "crtn.o"]),
+- (LinkOutputKind::StaticPicExe, &["crtendS.o", "crtn.o"]),
+- (LinkOutputKind::DynamicDylib, &["crtendS.o", "crtn.o"]),
+- (LinkOutputKind::StaticDylib, &["crtendS.o", "crtn.o"]),
+- ])
+-}
+-
+ pub(super) fn pre_mingw_self_contained() -> CrtObjects {
+ new(&[
+ (LinkOutputKind::DynamicNoPicExe, &["crt2.o", "rsbegin.o"]),
+@@ -130,7 +108,6 @@ pub(super) fn post_wasi_self_contained() -> CrtObjects {
+ pub enum LinkSelfContainedDefault {
+ False,
+ True,
+- Musl,
+ Mingw,
+ }
+
+@@ -141,7 +118,6 @@ impl FromStr for LinkSelfContainedDefault {
+ Ok(match s {
+ "false" => LinkSelfContainedDefault::False,
+ "true" | "wasm" => LinkSelfContainedDefault::True,
+- "musl" => LinkSelfContainedDefault::Musl,
+ "mingw" => LinkSelfContainedDefault::Mingw,
+ _ => return Err(()),
+ })
+@@ -153,7 +129,6 @@ impl ToJson for LinkSelfContainedDefault {
+ match *self {
+ LinkSelfContainedDefault::False => "false",
+ LinkSelfContainedDefault::True => "true",
+- LinkSelfContainedDefault::Musl => "musl",
+ LinkSelfContainedDefault::Mingw => "mingw",
+ }
+ .to_json()
+diff --git a/compiler/rustc_target/src/spec/linux_musl_base.rs b/compiler/rustc_target/src/spec/linux_musl_base.rs
+index 61553e71b4500..67d18c886eba5 100644
+--- a/compiler/rustc_target/src/spec/linux_musl_base.rs
++++ b/compiler/rustc_target/src/spec/linux_musl_base.rs
+@@ -1,13 +1,9 @@
+-use crate::spec::crt_objects::{self, LinkSelfContainedDefault};
+ use crate::spec::TargetOptions;
+
+ pub fn opts() -> TargetOptions {
+ let mut base = super::linux_base::opts();
+
+ base.env = "musl".into();
+- base.pre_link_objects_self_contained = crt_objects::pre_musl_self_contained();
+- base.post_link_objects_self_contained = crt_objects::post_musl_self_contained();
+- base.link_self_contained = LinkSelfContainedDefault::Musl;
+
+ // These targets statically link libc by default
+ base.crt_static_default = true;
+diff --git a/config.example.toml b/config.example.toml
+index 6d9c762ceca1e..6dac426c2876a 100644
+--- a/config.example.toml
++++ b/config.example.toml
+@@ -556,14 +556,6 @@ changelog-seen = 2
+ # behavior -- this may lead to miscompilations or other bugs.
+ #description = ""
+
+-# The root location of the musl installation directory. The library directory
+-# will also need to contain libunwind.a for an unwinding implementation. Note
+-# that this option only makes sense for musl targets that produce statically
+-# linked binaries.
+-#
+-# Defaults to /usr on musl hosts. Has no default otherwise.
+-#musl-root = <platform specific> (path)
+-
+ # By default the `rustc` executable is built with `-Wl,-rpath` flags on Unix
+ # platforms to ensure that the compiler is usable by default from the build
+ # directory (as it links to a number of dynamic libraries). This may not be
+@@ -756,15 +748,6 @@ changelog-seen = 2
+ # only use static libraries. If unset, the target's default linkage is used.
+ #crt-static = <platform-specific> (bool)
+
+-# The root location of the musl installation directory. The library directory
+-# will also need to contain libunwind.a for an unwinding implementation. Note
+-# that this option only makes sense for musl targets that produce statically
+-# linked binaries.
+-#musl-root = build.musl-root (path)
+-
+-# The full path to the musl libdir.
+-#musl-libdir = musl-root/lib
+-
+ # The root location of the `wasm32-wasi` sysroot. Only used for the
+ # `wasm32-wasi` target. If you are building wasm32-wasi target, make sure to
+ # create a `[target.wasm32-wasi]` section and move this field there.
+diff --git a/src/bootstrap/cc_detect.rs b/src/bootstrap/cc_detect.rs
+index 65c882fb801e5..05b29e3e8e0f2 100644
+--- a/src/bootstrap/cc_detect.rs
++++ b/src/bootstrap/cc_detect.rs
+@@ -41,8 +41,6 @@ fn cc2ar(cc: &Path, target: TargetSelection) -> Option<PathBuf> {
+ Some(PathBuf::from(ar))
+ } else if target.contains("msvc") {
+ None
+- } else if target.contains("musl") {
+- Some(PathBuf::from("ar"))
+ } else if target.contains("openbsd") {
+ Some(PathBuf::from("ar"))
+ } else if target.contains("vxworks") {
+@@ -103,7 +101,7 @@ pub fn find(build: &mut Build) {
+ if let Some(cc) = config.and_then(|c| c.cc.as_ref()) {
+ cfg.compiler(cc);
+ } else {
+- set_compiler(&mut cfg, Language::C, target, config, build);
++ set_compiler(&mut cfg, Language::C, target, config);
+ }
+
+ let compiler = cfg.get_compiler();
+@@ -124,7 +122,7 @@ pub fn find(build: &mut Build) {
+ cfg.compiler(cxx);
+ true
+ } else if build.hosts.contains(&target) || build.build == target {
+- set_compiler(&mut cfg, Language::CPlusPlus, target, config, build);
++ set_compiler(&mut cfg, Language::CPlusPlus, target, config);
+ true
+ } else {
+ // Use an auto-detected compiler (or one configured via `CXX_target_triple` env vars).
+@@ -160,7 +158,6 @@ fn set_compiler(
+ compiler: Language,
+ target: TargetSelection,
+ config: Option<&Target>,
+- build: &Build,
+ ) {
+ match &*target.triple {
+ // When compiling for android we may have the NDK configured in the
+@@ -196,26 +193,6 @@ fn set_compiler(
+ }
+ }
+
+- "mips-unknown-linux-musl" => {
+- if cfg.get_compiler().path().to_str() == Some("gcc") {
+- cfg.compiler("mips-linux-musl-gcc");
+- }
+- }
+- "mipsel-unknown-linux-musl" => {
+- if cfg.get_compiler().path().to_str() == Some("gcc") {
+- cfg.compiler("mipsel-linux-musl-gcc");
+- }
+- }
+-
+- t if t.contains("musl") => {
+- if let Some(root) = build.musl_root(target) {
+- let guess = root.join("bin/musl-gcc");
+- if guess.exists() {
+- cfg.compiler(guess);
+- }
+- }
+- }
+-
+ _ => {}
+ }
+ }
+diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs
+index 4a4e7adcbf388..6fec1f1472e13 100644
+--- a/src/bootstrap/compile.rs
++++ b/src/bootstrap/compile.rs
+@@ -247,38 +247,7 @@ fn copy_self_contained_objects(
+
+ // Copies the libc and CRT objects.
+ //
+- // rustc historically provides a more self-contained installation for musl targets
+- // not requiring the presence of a native musl toolchain. For example, it can fall back
+- // to using gcc from a glibc-targeting toolchain for linking.
+- // To do that we have to distribute musl startup objects as a part of Rust toolchain
+- // and link with them manually in the self-contained mode.
+- if target.contains("musl") {
+- let srcdir = builder.musl_libdir(target).unwrap_or_else(|| {
+- panic!("Target {:?} does not have a \"musl-libdir\" key", target.triple)
+- });
+- for &obj in &["libc.a", "crt1.o", "Scrt1.o", "rcrt1.o", "crti.o", "crtn.o"] {
+- copy_and_stamp(
+- builder,
+- &libdir_self_contained,
+- &srcdir,
+- obj,
+- &mut target_deps,
+- DependencyType::TargetSelfContained,
+- );
+- }
+- let crt_path = builder.ensure(llvm::CrtBeginEnd { target });
+- for &obj in &["crtbegin.o", "crtbeginS.o", "crtend.o", "crtendS.o"] {
+- let src = crt_path.join(obj);
+- let target = libdir_self_contained.join(obj);
+- builder.copy(&src, &target);
+- target_deps.push((target, DependencyType::TargetSelfContained));
+- }
+-
+- if !target.starts_with("s390x") {
+- let libunwind_path = copy_llvm_libunwind(builder, target, &libdir_self_contained);
+- target_deps.push((libunwind_path, DependencyType::TargetSelfContained));
+- }
+- } else if target.ends_with("-wasi") {
++ if target.ends_with("-wasi") {
+ let srcdir = builder
+ .wasi_root(target)
+ .unwrap_or_else(|| {
+@@ -375,15 +344,6 @@ pub fn std_cargo(builder: &Builder<'_>, target: TargetSelection, stage: u32, car
+ .arg("--manifest-path")
+ .arg(builder.src.join("library/test/Cargo.toml"));
+
+- // Help the libc crate compile by assisting it in finding various
+- // sysroot native libraries.
+- if target.contains("musl") {
+- if let Some(p) = builder.musl_libdir(target) {
+- let root = format!("native={}", p.to_str().unwrap());
+- cargo.rustflag("-L").rustflag(&root);
+- }
+- }
+-
+ if target.ends_with("-wasi") {
+ if let Some(p) = builder.wasi_root(target) {
+ let root = format!("native={}/lib/wasm32-wasi", p.to_str().unwrap());
+diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs
+index cc3b3bc25f3d5..497187d8fbb3f 100644
+--- a/src/bootstrap/config.rs
++++ b/src/bootstrap/config.rs
+@@ -209,8 +209,6 @@ pub struct Config {
+ pub print_step_rusage: bool,
+ pub missing_tools: bool,
+
+- // Fallback musl-root for all targets
+- pub musl_root: Option<PathBuf>,
+ pub prefix: Option<PathBuf>,
+ pub sysconfdir: Option<PathBuf>,
+ pub datadir: Option<PathBuf>,
+@@ -456,8 +454,6 @@ pub struct Target {
+ pub sanitizers: Option<bool>,
+ pub profiler: Option<bool>,
+ pub crt_static: Option<bool>,
+- pub musl_root: Option<PathBuf>,
+- pub musl_libdir: Option<PathBuf>,
+ pub wasi_root: Option<PathBuf>,
+ pub qemu_rootfs: Option<PathBuf>,
+ pub no_std: bool,
+@@ -753,7 +749,6 @@ define_config! {
+ default_linker: Option<String> = "default-linker",
+ channel: Option<String> = "channel",
+ description: Option<String> = "description",
+- musl_root: Option<String> = "musl-root",
+ rpath: Option<bool> = "rpath",
+ verbose_tests: Option<bool> = "verbose-tests",
+ optimize_tests: Option<bool> = "optimize-tests",
+@@ -801,8 +796,6 @@ define_config! {
+ sanitizers: Option<bool> = "sanitizers",
+ profiler: Option<bool> = "profiler",
+ crt_static: Option<bool> = "crt-static",
+- musl_root: Option<String> = "musl-root",
+- musl_libdir: Option<String> = "musl-libdir",
+ wasi_root: Option<String> = "wasi-root",
+ qemu_rootfs: Option<String> = "qemu-rootfs",
+ no_std: Option<bool> = "no-std",
+@@ -1133,7 +1126,6 @@ impl Config {
+ set(&mut config.llvm_tools_enabled, rust.llvm_tools);
+ config.rustc_parallel = rust.parallel_compiler.unwrap_or(false);
+ config.rustc_default_linker = rust.default_linker;
+- config.musl_root = rust.musl_root.map(PathBuf::from);
+ config.save_toolstates = rust.save_toolstates.map(PathBuf::from);
+ set(&mut config.deny_warnings, flags.deny_warnings.or(rust.deny_warnings));
+ set(&mut config.backtrace_on_ice, rust.backtrace_on_ice);
+@@ -1293,8 +1285,6 @@ impl Config {
+ target.ranlib = cfg.ranlib.map(PathBuf::from);
+ target.linker = cfg.linker.map(PathBuf::from);
+ target.crt_static = cfg.crt_static;
+- target.musl_root = cfg.musl_root.map(PathBuf::from);
+- target.musl_libdir = cfg.musl_libdir.map(PathBuf::from);
+ target.wasi_root = cfg.wasi_root.map(PathBuf::from);
+ target.qemu_rootfs = cfg.qemu_rootfs.map(PathBuf::from);
+ target.sanitizers = cfg.sanitizers;
+diff --git a/src/bootstrap/configure.py b/src/bootstrap/configure.py
+index abd28b4005d0b..6f0f8d879c7aa 100755
+--- a/src/bootstrap/configure.py
++++ b/src/bootstrap/configure.py
+@@ -111,34 +111,6 @@ def v(*args):
+ "aarch64-linux-android NDK standalone path")
+ v("x86_64-linux-android-ndk", "target.x86_64-linux-android.android-ndk",
+ "x86_64-linux-android NDK standalone path")
+-v("musl-root", "target.x86_64-unknown-linux-musl.musl-root",
+- "MUSL root installation directory (deprecated)")
+-v("musl-root-x86_64", "target.x86_64-unknown-linux-musl.musl-root",
+- "x86_64-unknown-linux-musl install directory")
+-v("musl-root-i586", "target.i586-unknown-linux-musl.musl-root",
+- "i586-unknown-linux-musl install directory")
+-v("musl-root-i686", "target.i686-unknown-linux-musl.musl-root",
+- "i686-unknown-linux-musl install directory")
+-v("musl-root-arm", "target.arm-unknown-linux-musleabi.musl-root",
+- "arm-unknown-linux-musleabi install directory")
+-v("musl-root-armhf", "target.arm-unknown-linux-musleabihf.musl-root",
+- "arm-unknown-linux-musleabihf install directory")
+-v("musl-root-armv5te", "target.armv5te-unknown-linux-musleabi.musl-root",
+- "armv5te-unknown-linux-musleabi install directory")
+-v("musl-root-armv7", "target.armv7-unknown-linux-musleabi.musl-root",
+- "armv7-unknown-linux-musleabi install directory")
+-v("musl-root-armv7hf", "target.armv7-unknown-linux-musleabihf.musl-root",
+- "armv7-unknown-linux-musleabihf install directory")
+-v("musl-root-aarch64", "target.aarch64-unknown-linux-musl.musl-root",
+- "aarch64-unknown-linux-musl install directory")
+-v("musl-root-mips", "target.mips-unknown-linux-musl.musl-root",
+- "mips-unknown-linux-musl install directory")
+-v("musl-root-mipsel", "target.mipsel-unknown-linux-musl.musl-root",
+- "mipsel-unknown-linux-musl install directory")
+-v("musl-root-mips64", "target.mips64-unknown-linux-muslabi64.musl-root",
+- "mips64-unknown-linux-muslabi64 install directory")
+-v("musl-root-mips64el", "target.mips64el-unknown-linux-muslabi64.musl-root",
+- "mips64el-unknown-linux-muslabi64 install directory")
+ v("qemu-armhf-rootfs", "target.arm-unknown-linux-gnueabihf.qemu-rootfs",
+ "rootfs in qemu testing, you probably don't want to use this")
+ v("qemu-aarch64-rootfs", "target.aarch64-unknown-linux-gnu.qemu-rootfs",
+diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs
+index a75c501206fb0..16ebeb816a30a 100644
+--- a/src/bootstrap/lib.rs
++++ b/src/bootstrap/lib.rs
+@@ -1139,25 +1139,6 @@ impl Build {
+ }
+ }
+
+- /// Returns the "musl root" for this `target`, if defined
+- fn musl_root(&self, target: TargetSelection) -> Option<&Path> {
+- self.config
+- .target_config
+- .get(&target)
+- .and_then(|t| t.musl_root.as_ref())
+- .or_else(|| self.config.musl_root.as_ref())
+- .map(|p| &**p)
+- }
+-
+- /// Returns the "musl libdir" for this `target`.
+- fn musl_libdir(&self, target: TargetSelection) -> Option<PathBuf> {
+- let t = self.config.target_config.get(&target)?;
+- if let libdir @ Some(_) = &t.musl_libdir {
+- return libdir.clone();
+- }
+- self.musl_root(target).map(|root| root.join("lib"))
+- }
+-
+ /// Returns the sysroot for the wasi target, if defined
+ fn wasi_root(&self, target: TargetSelection) -> Option<&Path> {
+ self.config.target_config.get(&target).and_then(|t| t.wasi_root.as_ref()).map(|p| &**p)
+diff --git a/src/bootstrap/sanity.rs b/src/bootstrap/sanity.rs
+index 8a40b0f64f4b6..59e11d304a6e6 100644
+--- a/src/bootstrap/sanity.rs
++++ b/src/bootstrap/sanity.rs
+@@ -11,7 +11,6 @@
+ use std::collections::HashMap;
+ use std::env;
+ use std::ffi::{OsStr, OsString};
+-use std::fs;
+ use std::path::PathBuf;
+ use std::process::Command;
+
+@@ -205,28 +204,6 @@ than building it.
+ }
+ }
+
+- // Make sure musl-root is valid
+- if target.contains("musl") {
+- // If this is a native target (host is also musl) and no musl-root is given,
+- // fall back to the system toolchain in /usr before giving up
+- if build.musl_root(*target).is_none() && build.config.build == *target {
+- let target = build.config.target_config.entry(*target).or_default();
+- target.musl_root = Some("/usr".into());
+- }
+- match build.musl_libdir(*target) {
+- Some(libdir) => {
+- if fs::metadata(libdir.join("libc.a")).is_err() {
+- panic!("couldn't find libc.a in musl libdir: {}", libdir.display());
+- }
+- }
+- None => panic!(
+- "when targeting MUSL either the rust.musl-root \
+- option or the target.$TARGET.musl-root option must \
+- be specified in config.toml"
+- ),
+- }
+- }
+-
+ // Some environments don't want or need these tools, such as when testing Miri.
+ // FIXME: it would be better to refactor this code to split necessary setup from pure sanity
+ // checks, and have a regular flag for skipping the latter. Also see
+diff --git a/src/ci/docker/host-x86_64/dist-i586-gnu-i586-i686-musl/Dockerfile b/src/ci/docker/host-x86_64/dist-i586-gnu-i586-i686-musl/Dockerfile
+index 34829adf79bcf..11a5d5e5c8cb4 100644
+--- a/src/ci/docker/host-x86_64/dist-i586-gnu-i586-i686-musl/Dockerfile
++++ b/src/ci/docker/host-x86_64/dist-i586-gnu-i586-i686-musl/Dockerfile
+@@ -58,8 +58,6 @@ COPY scripts/sccache.sh /scripts/
+ RUN sh /scripts/sccache.sh
+
+ ENV RUST_CONFIGURE_ARGS \
+- --musl-root-i586=/musl-i586 \
+- --musl-root-i686=/musl-i686 \
+ --disable-docs
+
+ # Newer binutils broke things on some vms/distros (i.e., linking against
+diff --git a/src/ci/docker/host-x86_64/dist-various-1/Dockerfile b/src/ci/docker/host-x86_64/dist-various-1/Dockerfile
+index 4576e6d4fa256..e13d579b217f3 100644
+--- a/src/ci/docker/host-x86_64/dist-various-1/Dockerfile
++++ b/src/ci/docker/host-x86_64/dist-various-1/Dockerfile
+@@ -172,14 +172,6 @@ ENV CFLAGS_armv5te_unknown_linux_musleabi="-march=armv5te -marm -mfloat-abi=soft
+ CC_riscv64gc_unknown_none_elf=false
+
+ ENV RUST_CONFIGURE_ARGS \
+- --musl-root-armv5te=/musl-armv5te \
+- --musl-root-arm=/musl-arm \
+- --musl-root-armhf=/musl-armhf \
+- --musl-root-armv7hf=/musl-armv7hf \
+- --musl-root-mips=/musl-mips \
+- --musl-root-mipsel=/musl-mipsel \
+- --musl-root-mips64=/musl-mips64 \
+- --musl-root-mips64el=/musl-mips64el \
+ --disable-docs
+
+ ENV SCRIPT \
+diff --git a/src/ci/docker/host-x86_64/dist-various-2/Dockerfile b/src/ci/docker/host-x86_64/dist-various-2/Dockerfile
+index 0f5df95a0dd4b..3e0bc3fd33d28 100644
+--- a/src/ci/docker/host-x86_64/dist-various-2/Dockerfile
++++ b/src/ci/docker/host-x86_64/dist-various-2/Dockerfile
+@@ -135,7 +135,6 @@ ENV TARGETS=$TARGETS,x86_64-unknown-uefi
+ RUN ln -s /usr/include/asm-generic /usr/local/include/asm
+
+ ENV RUST_CONFIGURE_ARGS --enable-extended --enable-lld --disable-docs \
+- --set target.wasm32-wasi.wasi-root=/wasm32-wasi \
+- --musl-root-armv7=/musl-armv7
++ --set target.wasm32-wasi.wasi-root=/wasm32-wasi
+
+ ENV SCRIPT python3 ../x.py dist --host='' --target $TARGETS
+diff --git a/src/ci/docker/host-x86_64/dist-x86_64-musl/Dockerfile b/src/ci/docker/host-x86_64/dist-x86_64-musl/Dockerfile
+index 13eaf7fce8cd7..05cea19102072 100644
+--- a/src/ci/docker/host-x86_64/dist-x86_64-musl/Dockerfile
++++ b/src/ci/docker/host-x86_64/dist-x86_64-musl/Dockerfile
+@@ -38,7 +38,6 @@ RUN sh /scripts/sccache.sh
+ ENV HOSTS=x86_64-unknown-linux-musl
+
+ ENV RUST_CONFIGURE_ARGS \
+- --musl-root-x86_64=/usr/local/x86_64-linux-musl \
+ --enable-extended \
+ --enable-sanitizers \
+ --enable-profiler \
+diff --git a/src/ci/docker/host-x86_64/test-various/Dockerfile b/src/ci/docker/host-x86_64/test-various/Dockerfile
+index 62e3f627ec08f..f29429b5b5b0e 100644
+--- a/src/ci/docker/host-x86_64/test-various/Dockerfile
++++ b/src/ci/docker/host-x86_64/test-various/Dockerfile
+@@ -42,7 +42,6 @@ COPY scripts/sccache.sh /scripts/
+ RUN sh /scripts/sccache.sh
+
+ ENV RUST_CONFIGURE_ARGS \
+- --musl-root-x86_64=/usr/local/x86_64-linux-musl \
+ --set build.nodejs=/node-v15.14.0-linux-x64/bin/node \
+ --set rust.lld
+