345 lines
15 KiB
Diff
345 lines
15 KiB
Diff
diff --git a/compiler/rustc_target/src/spec/crt_objects.rs b/compiler/rustc_target/src/spec/crt_objects.rs
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index 2fc9ab29f..276736159 100644
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--- a/compiler/rustc_target/src/spec/crt_objects.rs
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+++ b/compiler/rustc_target/src/spec/crt_objects.rs
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@@ -62,28 +62,6 @@ pub(super) fn all(obj: &str) -> CrtObjects {
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])
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}
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-pub(super) fn pre_musl_fallback() -> CrtObjects {
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- new(&[
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- (LinkOutputKind::DynamicNoPicExe, &["crt1.o", "crti.o", "crtbegin.o"]),
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- (LinkOutputKind::DynamicPicExe, &["Scrt1.o", "crti.o", "crtbeginS.o"]),
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- (LinkOutputKind::StaticNoPicExe, &["crt1.o", "crti.o", "crtbegin.o"]),
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- (LinkOutputKind::StaticPicExe, &["rcrt1.o", "crti.o", "crtbeginS.o"]),
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- (LinkOutputKind::DynamicDylib, &["crti.o", "crtbeginS.o"]),
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- (LinkOutputKind::StaticDylib, &["crti.o", "crtbeginS.o"]),
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- ])
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-}
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-
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-pub(super) fn post_musl_fallback() -> CrtObjects {
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- new(&[
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- (LinkOutputKind::DynamicNoPicExe, &["crtend.o", "crtn.o"]),
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- (LinkOutputKind::DynamicPicExe, &["crtendS.o", "crtn.o"]),
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- (LinkOutputKind::StaticNoPicExe, &["crtend.o", "crtn.o"]),
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- (LinkOutputKind::StaticPicExe, &["crtendS.o", "crtn.o"]),
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- (LinkOutputKind::DynamicDylib, &["crtendS.o", "crtn.o"]),
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- (LinkOutputKind::StaticDylib, &["crtendS.o", "crtn.o"]),
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- ])
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-}
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-
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pub(super) fn pre_mingw_fallback() -> CrtObjects {
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new(&[
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(LinkOutputKind::DynamicNoPicExe, &["crt2.o", "rsbegin.o"]),
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diff --git a/compiler/rustc_target/src/spec/linux_musl_base.rs b/compiler/rustc_target/src/spec/linux_musl_base.rs
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index 5038a967d..b3c0e5bc4 100644
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--- a/compiler/rustc_target/src/spec/linux_musl_base.rs
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+++ b/compiler/rustc_target/src/spec/linux_musl_base.rs
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@@ -1,16 +1,9 @@
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-use crate::spec::crt_objects::{self, CrtObjectsFallback};
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use crate::spec::TargetOptions;
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pub fn opts() -> TargetOptions {
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let mut base = super::linux_base::opts();
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base.env = "musl".to_string();
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- base.pre_link_objects_fallback = crt_objects::pre_musl_fallback();
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- base.post_link_objects_fallback = crt_objects::post_musl_fallback();
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- base.crt_objects_fallback = Some(CrtObjectsFallback::Musl);
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-
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- // These targets statically link libc by default
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- base.crt_static_default = true;
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base
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}
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diff --git a/config.toml.example b/config.toml.example
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index 6e5584797..5be9882a8 100644
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--- a/config.toml.example
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+++ b/config.toml.example
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@@ -638,15 +638,6 @@ changelog-seen = 2
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# only use static libraries. If unset, the target's default linkage is used.
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#crt-static = <platform-specific> (bool)
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-# The root location of the musl installation directory. The library directory
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-# will also need to contain libunwind.a for an unwinding implementation. Note
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-# that this option only makes sense for musl targets that produce statically
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-# linked binaries.
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-#musl-root = build.musl-root (path)
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-
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-# The full path to the musl libdir.
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-#musl-libdir = musl-root/lib
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-
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# The root location of the `wasm32-wasi` sysroot. Only used for the
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# `wasm32-wasi` target. If you are building wasm32-wasi target, make sure to
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# create a `[target.wasm32-wasi]` section and move this field there.
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diff --git a/src/bootstrap/cc_detect.rs b/src/bootstrap/cc_detect.rs
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index e750c2963..f6ba3032b 100644
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--- a/src/bootstrap/cc_detect.rs
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+++ b/src/bootstrap/cc_detect.rs
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@@ -98,7 +98,7 @@ pub fn find(build: &mut Build) {
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if let Some(cc) = config.and_then(|c| c.cc.as_ref()) {
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cfg.compiler(cc);
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} else {
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- set_compiler(&mut cfg, Language::C, target, config, build);
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+ set_compiler(&mut cfg, Language::C, target, config);
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}
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let compiler = cfg.get_compiler();
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@@ -126,7 +126,7 @@ pub fn find(build: &mut Build) {
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cfg.compiler(cxx);
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true
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} else if build.hosts.contains(&target) || build.build == target {
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- set_compiler(&mut cfg, Language::CPlusPlus, target, config, build);
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+ set_compiler(&mut cfg, Language::CPlusPlus, target, config);
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true
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} else {
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// Use an auto-detected compiler (or one configured via `CXX_target_triple` env vars).
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@@ -157,7 +157,6 @@ fn set_compiler(
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compiler: Language,
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target: TargetSelection,
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config: Option<&Target>,
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- build: &Build,
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) {
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match &*target.triple {
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// When compiling for android we may have the NDK configured in the
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@@ -200,26 +199,6 @@ fn set_compiler(
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}
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}
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- "mips-unknown-linux-musl" => {
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- if cfg.get_compiler().path().to_str() == Some("gcc") {
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- cfg.compiler("mips-linux-musl-gcc");
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- }
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- }
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- "mipsel-unknown-linux-musl" => {
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- if cfg.get_compiler().path().to_str() == Some("gcc") {
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- cfg.compiler("mipsel-linux-musl-gcc");
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- }
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- }
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-
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- t if t.contains("musl") => {
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- if let Some(root) = build.musl_root(target) {
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- let guess = root.join("bin/musl-gcc");
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- if guess.exists() {
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- cfg.compiler(guess);
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- }
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- }
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- }
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-
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_ => {}
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}
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}
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diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs
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index ee3527b6b..0a8b78327 100644
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--- a/src/bootstrap/compile.rs
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+++ b/src/bootstrap/compile.rs
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@@ -179,34 +179,7 @@ fn copy_self_contained_objects(
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let mut target_deps = vec![];
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// Copies the CRT objects.
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- //
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- // rustc historically provides a more self-contained installation for musl targets
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- // not requiring the presence of a native musl toolchain. For example, it can fall back
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- // to using gcc from a glibc-targeting toolchain for linking.
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- // To do that we have to distribute musl startup objects as a part of Rust toolchain
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- // and link with them manually in the self-contained mode.
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- if target.contains("musl") {
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- let srcdir = builder.musl_libdir(target).unwrap_or_else(|| {
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- panic!("Target {:?} does not have a \"musl-libdir\" key", target.triple)
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- });
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- for &obj in &["crt1.o", "Scrt1.o", "rcrt1.o", "crti.o", "crtn.o"] {
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- copy_and_stamp(
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- builder,
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- &libdir_self_contained,
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- &srcdir,
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- obj,
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- &mut target_deps,
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- DependencyType::TargetSelfContained,
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- );
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- }
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- let crt_path = builder.ensure(native::CrtBeginEnd { target });
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- for &obj in &["crtbegin.o", "crtbeginS.o", "crtend.o", "crtendS.o"] {
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- let src = crt_path.join(obj);
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- let target = libdir_self_contained.join(obj);
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- builder.copy(&src, &target);
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- target_deps.push((target, DependencyType::TargetSelfContained));
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- }
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- } else if target.ends_with("-wasi") {
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+ if target.ends_with("-wasi") {
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let srcdir = builder
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.wasi_root(target)
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.unwrap_or_else(|| {
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@@ -288,15 +261,6 @@ pub fn std_cargo(builder: &Builder<'_>, target: TargetSelection, stage: u32, car
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.arg("--manifest-path")
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.arg(builder.src.join("library/test/Cargo.toml"));
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- // Help the libc crate compile by assisting it in finding various
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- // sysroot native libraries.
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- if target.contains("musl") {
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- if let Some(p) = builder.musl_libdir(target) {
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- let root = format!("native={}", p.to_str().unwrap());
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- cargo.rustflag("-L").rustflag(&root);
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- }
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- }
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-
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if target.ends_with("-wasi") {
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if let Some(p) = builder.wasi_root(target) {
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let root = format!("native={}/lib/wasm32-wasi", p.to_str().unwrap());
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diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs
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index 483816b98..7517d757c 100644
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--- a/src/bootstrap/config.rs
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+++ b/src/bootstrap/config.rs
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@@ -165,7 +165,6 @@ pub struct Config {
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pub missing_tools: bool,
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// Fallback musl-root for all targets
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- pub musl_root: Option<PathBuf>,
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pub prefix: Option<PathBuf>,
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pub sysconfdir: Option<PathBuf>,
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pub datadir: Option<PathBuf>,
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@@ -291,8 +290,6 @@ pub struct Target {
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pub sanitizers: Option<bool>,
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pub profiler: Option<bool>,
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pub crt_static: Option<bool>,
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- pub musl_root: Option<PathBuf>,
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- pub musl_libdir: Option<PathBuf>,
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pub wasi_root: Option<PathBuf>,
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pub qemu_rootfs: Option<PathBuf>,
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pub no_std: bool,
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@@ -481,7 +478,6 @@ struct Rust {
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default_linker: Option<String>,
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channel: Option<String>,
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description: Option<String>,
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- musl_root: Option<String>,
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rpath: Option<bool>,
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verbose_tests: Option<bool>,
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optimize_tests: Option<bool>,
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@@ -524,8 +520,6 @@ struct TomlTarget {
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sanitizers: Option<bool>,
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profiler: Option<bool>,
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crt_static: Option<bool>,
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- musl_root: Option<String>,
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- musl_libdir: Option<String>,
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wasi_root: Option<String>,
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qemu_rootfs: Option<String>,
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no_std: Option<bool>,
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@@ -846,7 +840,6 @@ impl Config {
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set(&mut config.llvm_tools_enabled, rust.llvm_tools);
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config.rustc_parallel = rust.parallel_compiler.unwrap_or(false);
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config.rustc_default_linker = rust.default_linker;
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- config.musl_root = rust.musl_root.map(PathBuf::from);
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config.save_toolstates = rust.save_toolstates.map(PathBuf::from);
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set(&mut config.deny_warnings, flags.deny_warnings.or(rust.deny_warnings));
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set(&mut config.backtrace_on_ice, rust.backtrace_on_ice);
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@@ -892,8 +885,6 @@ impl Config {
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target.ranlib = cfg.ranlib.map(PathBuf::from);
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target.linker = cfg.linker.map(PathBuf::from);
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target.crt_static = cfg.crt_static;
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- target.musl_root = cfg.musl_root.map(PathBuf::from);
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- target.musl_libdir = cfg.musl_libdir.map(PathBuf::from);
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target.wasi_root = cfg.wasi_root.map(PathBuf::from);
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target.qemu_rootfs = cfg.qemu_rootfs.map(PathBuf::from);
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target.sanitizers = cfg.sanitizers;
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diff --git a/src/bootstrap/configure.py b/src/bootstrap/configure.py
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index 999882a1c..7ccc2b73c 100755
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--- a/src/bootstrap/configure.py
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+++ b/src/bootstrap/configure.py
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@@ -109,34 +109,6 @@ v("aarch64-linux-android-ndk", "target.aarch64-linux-android.android-ndk",
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"aarch64-linux-android NDK standalone path")
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v("x86_64-linux-android-ndk", "target.x86_64-linux-android.android-ndk",
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"x86_64-linux-android NDK standalone path")
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-v("musl-root", "target.x86_64-unknown-linux-musl.musl-root",
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- "MUSL root installation directory (deprecated)")
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-v("musl-root-x86_64", "target.x86_64-unknown-linux-musl.musl-root",
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- "x86_64-unknown-linux-musl install directory")
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-v("musl-root-i586", "target.i586-unknown-linux-musl.musl-root",
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- "i586-unknown-linux-musl install directory")
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-v("musl-root-i686", "target.i686-unknown-linux-musl.musl-root",
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- "i686-unknown-linux-musl install directory")
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-v("musl-root-arm", "target.arm-unknown-linux-musleabi.musl-root",
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- "arm-unknown-linux-musleabi install directory")
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-v("musl-root-armhf", "target.arm-unknown-linux-musleabihf.musl-root",
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- "arm-unknown-linux-musleabihf install directory")
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-v("musl-root-armv5te", "target.armv5te-unknown-linux-musleabi.musl-root",
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- "armv5te-unknown-linux-musleabi install directory")
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-v("musl-root-armv7", "target.armv7-unknown-linux-musleabi.musl-root",
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- "armv7-unknown-linux-musleabi install directory")
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-v("musl-root-armv7hf", "target.armv7-unknown-linux-musleabihf.musl-root",
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- "armv7-unknown-linux-musleabihf install directory")
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-v("musl-root-aarch64", "target.aarch64-unknown-linux-musl.musl-root",
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- "aarch64-unknown-linux-musl install directory")
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-v("musl-root-mips", "target.mips-unknown-linux-musl.musl-root",
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- "mips-unknown-linux-musl install directory")
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-v("musl-root-mipsel", "target.mipsel-unknown-linux-musl.musl-root",
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- "mipsel-unknown-linux-musl install directory")
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-v("musl-root-mips64", "target.mips64-unknown-linux-muslabi64.musl-root",
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- "mips64-unknown-linux-muslabi64 install directory")
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-v("musl-root-mips64el", "target.mips64el-unknown-linux-muslabi64.musl-root",
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- "mips64el-unknown-linux-muslabi64 install directory")
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v("qemu-armhf-rootfs", "target.arm-unknown-linux-gnueabihf.qemu-rootfs",
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"rootfs in qemu testing, you probably don't want to use this")
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v("qemu-aarch64-rootfs", "target.aarch64-unknown-linux-gnu.qemu-rootfs",
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diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs
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index 24da44b93..c08bc6d94 100644
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--- a/src/bootstrap/lib.rs
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+++ b/src/bootstrap/lib.rs
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@@ -927,25 +927,6 @@ impl Build {
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}
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}
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- /// Returns the "musl root" for this `target`, if defined
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- fn musl_root(&self, target: TargetSelection) -> Option<&Path> {
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- self.config
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- .target_config
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- .get(&target)
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- .and_then(|t| t.musl_root.as_ref())
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- .or_else(|| self.config.musl_root.as_ref())
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- .map(|p| &**p)
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- }
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-
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- /// Returns the "musl libdir" for this `target`.
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- fn musl_libdir(&self, target: TargetSelection) -> Option<PathBuf> {
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- let t = self.config.target_config.get(&target)?;
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- if let libdir @ Some(_) = &t.musl_libdir {
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- return libdir.clone();
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- }
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- self.musl_root(target).map(|root| root.join("lib"))
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- }
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-
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/// Returns the sysroot for the wasi target, if defined
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fn wasi_root(&self, target: TargetSelection) -> Option<&Path> {
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self.config.target_config.get(&target).and_then(|t| t.wasi_root.as_ref()).map(|p| &**p)
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diff --git a/src/bootstrap/sanity.rs b/src/bootstrap/sanity.rs
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index ed0cbdf97..44937aed9 100644
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--- a/src/bootstrap/sanity.rs
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+++ b/src/bootstrap/sanity.rs
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@@ -182,28 +182,6 @@ pub fn check(build: &mut Build) {
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}
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}
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- // Make sure musl-root is valid
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- if target.contains("musl") {
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- // If this is a native target (host is also musl) and no musl-root is given,
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- // fall back to the system toolchain in /usr before giving up
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- if build.musl_root(*target).is_none() && build.config.build == *target {
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- let target = build.config.target_config.entry(*target).or_default();
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- target.musl_root = Some("/usr".into());
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- }
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- match build.musl_libdir(*target) {
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- Some(libdir) => {
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- if fs::metadata(libdir.join("libc.a")).is_err() {
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- panic!("couldn't find libc.a in musl libdir: {}", libdir.display());
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- }
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- }
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- None => panic!(
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- "when targeting MUSL either the rust.musl-root \
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- option or the target.$TARGET.musl-root option must \
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- be specified in config.toml"
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- ),
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- }
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- }
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-
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if target.contains("msvc") {
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// There are three builds of cmake on windows: MSVC, MinGW, and
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// Cygwin. The Cygwin build does not have generators for Visual
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