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void-packages/srcpkgs/rust/patches/0004-Remove-nostdlib-and-musl_root-from-musl-targets.patch
Érico Nogueira af802e87d4 rust: update to 1.53.0. 
- rebase patches
- fix type of 'llvm-unwind' in config.toml
- move linux_musl_base stuff to a single patch which makes it behave
  just line linux_gnu_base
- copy new version of need-ssp_nonshared.patch from alpine
- temporary workaround for the new rust-llvm-dwp binary: it's copied
  from the llvm toolchain and shoved into /usr/lib, but they copied the
  binary from the build machine
- fix do_check (thanks cinerea0)
- preliminary ppcle patches (q66)
2021-07-04 22:27:37 +02:00

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diff --git a/compiler/rustc_target/src/spec/crt_objects.rs b/compiler/rustc_target/src/spec/crt_objects.rs
index 2fc9ab29f..276736159 100644
--- a/compiler/rustc_target/src/spec/crt_objects.rs
+++ b/compiler/rustc_target/src/spec/crt_objects.rs
@@ -62,28 +62,6 @@ pub(super) fn all(obj: &str) -> CrtObjects {
])
}
-pub(super) fn pre_musl_fallback() -> 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_fallback() -> 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_fallback() -> CrtObjects {
new(&[
(LinkOutputKind::DynamicNoPicExe, &["crt2.o", "rsbegin.o"]),
diff --git a/compiler/rustc_target/src/spec/linux_musl_base.rs b/compiler/rustc_target/src/spec/linux_musl_base.rs
index 5038a967d..b3c0e5bc4 100644
--- a/compiler/rustc_target/src/spec/linux_musl_base.rs
+++ b/compiler/rustc_target/src/spec/linux_musl_base.rs
@@ -1,16 +1,9 @@
-use crate::spec::crt_objects::{self, CrtObjectsFallback};
use crate::spec::TargetOptions;
pub fn opts() -> TargetOptions {
let mut base = super::linux_base::opts();
base.env = "musl".to_string();
- base.pre_link_objects_fallback = crt_objects::pre_musl_fallback();
- base.post_link_objects_fallback = crt_objects::post_musl_fallback();
- base.crt_objects_fallback = Some(CrtObjectsFallback::Musl);
-
- // These targets statically link libc by default
- base.crt_static_default = true;
base
}
diff --git a/config.toml.example b/config.toml.example
index 6e5584797..5be9882a8 100644
--- a/config.toml.example
+++ b/config.toml.example
@@ -638,15 +638,6 @@ 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 e750c2963..f6ba3032b 100644
--- a/src/bootstrap/cc_detect.rs
+++ b/src/bootstrap/cc_detect.rs
@@ -98,7 +98,7 @@ 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();
@@ -126,7 +126,7 @@ 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).
@@ -157,7 +157,6 @@ 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
@@ -200,26 +199,6 @@ 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 ee3527b6b..0a8b78327 100644
--- a/src/bootstrap/compile.rs
+++ b/src/bootstrap/compile.rs
@@ -179,34 +179,7 @@ fn copy_self_contained_objects(
let mut target_deps = vec![];
// Copies the 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 &["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(native::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));
- }
- } else if target.ends_with("-wasi") {
+ if target.ends_with("-wasi") {
let srcdir = builder
.wasi_root(target)
.unwrap_or_else(|| {
@@ -288,15 +261,6 @@ 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 483816b98..7517d757c 100644
--- a/src/bootstrap/config.rs
+++ b/src/bootstrap/config.rs
@@ -165,7 +165,6 @@ pub struct Config {
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>,
@@ -291,8 +290,6 @@ 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,
@@ -481,7 +478,6 @@ struct Rust {
default_linker: Option<String>,
channel: Option<String>,
description: Option<String>,
- musl_root: Option<String>,
rpath: Option<bool>,
verbose_tests: Option<bool>,
optimize_tests: Option<bool>,
@@ -524,8 +520,6 @@ struct TomlTarget {
sanitizers: Option<bool>,
profiler: Option<bool>,
crt_static: Option<bool>,
- musl_root: Option<String>,
- musl_libdir: Option<String>,
wasi_root: Option<String>,
qemu_rootfs: Option<String>,
no_std: Option<bool>,
@@ -846,7 +840,6 @@ 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);
@@ -892,8 +885,6 @@ 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 999882a1c..7ccc2b73c 100755
--- a/src/bootstrap/configure.py
+++ b/src/bootstrap/configure.py
@@ -109,34 +109,6 @@ v("aarch64-linux-android-ndk", "target.aarch64-linux-android.android-ndk",
"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 24da44b93..c08bc6d94 100644
--- a/src/bootstrap/lib.rs
+++ b/src/bootstrap/lib.rs
@@ -927,25 +927,6 @@ 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 ed0cbdf97..44937aed9 100644
--- a/src/bootstrap/sanity.rs
+++ b/src/bootstrap/sanity.rs
@@ -182,28 +182,6 @@ pub fn check(build: &mut Build) {
}
}
- // 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"
- ),
- }
- }
-
if target.contains("msvc") {
// There are three builds of cmake on windows: MSVC, MinGW, and
// Cygwin. The Cygwin build does not have generators for Visual
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