rust: Move latest to testing

testing/rust/build

@@ -0,0 +1,67 @@
+#!/bin/sh -e
+
+for patch in *.patch; do 
+    patch -p1 < "$patch"
+done
+
+# This package mimics the download process of rust's 'x.py'
+# bootstrap library to allow for the removal of the internet
+# connection requirement per build.
+{
+    mkdir -p "${cache_dir:=build/cache/2020-03-12}"
+
+    for tarball in *.tar.xz\?no-extract; do
+        mv -f "$tarball" "$cache_dir/${tarball%%\?no-extract}"
+    done
+}
+
+# 'rust' checksums files in 'vendor/', but we patch a few.
+for vendor in libc openssl-sys; do
+    sed -i 's/\("files":{\)[^}]*/\1/' "vendor/$vendor/.cargo-checksum.json"
+done
+
+cat > config.toml <<EOF
+[llvm]
+link-shared = true
+
+[build]
+build  = "x86_64-unknown-linux-musl"
+host   = [ "x86_64-unknown-linux-musl" ]
+target = [ "x86_64-unknown-linux-musl" ]
+
+docs           = false
+compiler-docs  = false
+extended       = true
+submodules     = false
+python         = "python3"
+locked-deps    = true
+vendor         = true
+sanitizers     = false
+profiler       = false
+full-bootstrap = false
+
+[install]
+prefix = "/usr"
+
+[rust]
+channel          = "stable"
+rpath            = false
+codegen-units    = 1
+debuginfo-level  = 0
+debug            = false
+backtrace        = false
+jemalloc         = false
+debug-assertions = false
+codegen-tests    = false
+
+[target.x86_64-unknown-linux-musl]
+llvm-config = "/usr/bin/llvm-config"
+crt-static  = false
+EOF
+
+export DESTDIR="$1" 
+
+python3 ./x.py build -j "$(nproc)"
+python3 ./x.py install
+
+rm -rf "$1/usr/lib/rustlib/src/"

testing/rust/checksums

@@ -0,0 +1,6 @@
+d0899933840369f07394b211cb0b53a5cd4634907633f0bee541133c8b75e309  rustc-1.43.0-src.tar.xz
+f429e81c3266bdcc038b6c2c2e5f51c64f75a85b46749e2cf5b93556f17b63a1  rust-std-1.42.0-x86_64-unknown-linux-musl.tar.xz?no-extract
+79029296fbd91c19c2ad080a52c62963eb127227c59005645b86b5aa9aa310b8  rustc-1.42.0-x86_64-unknown-linux-musl.tar.xz?no-extract
+705e648c727c50b3815a7be4a18a5886cb9f68e69df990710e938678080264a0  cargo-0.43.0-x86_64-unknown-linux-musl.tar.xz?no-extract
+abb2acdfc50880da504225dd068f5ea381997cac9ebd23f371290aa8f29d438f  musl.patch
+722f672f3a96ad1916d47a88b922579456b3af2cdc37096ce98a093f3589a4fb  llvm10.patch

testing/rust/depends

@@ -0,0 +1,7 @@
+cmake  make
+curl   make
+libressl
+llvm
+python make
+xz
+zlib

testing/rust/patches/llvm10.patch

@@ -0,0 +1,40 @@
+Note from Wyvertux: This patch applies to 1.43.0 AND if LLVM is LLVM 10.
+
+Applied to master branch by Nikita Popov.
+
+diff --git a/src/rustllvm/PassWrapper.cpp b/src/rustllvm/PassWrapper.cpp
+index 90d24d20737db..9e8614e3b6d34 100644
+--- a/src/rustllvm/PassWrapper.cpp
++++ b/src/rustllvm/PassWrapper.cpp
+@@ -67,7 +67,11 @@ extern "C" void LLVMInitializePasses() {
+ }
+ 
+ extern "C" void LLVMTimeTraceProfilerInitialize() {
+-#if LLVM_VERSION_GE(9, 0)
++#if LLVM_VERSION_GE(10, 0)
++  timeTraceProfilerInitialize(
++      /* TimeTraceGranularity */ 0,
++      /* ProcName */ "rustc");
++#elif LLVM_VERSION_GE(9, 0)
+   timeTraceProfilerInitialize();
+ #endif
+ }
+
+diff --git a/src/rustllvm/RustWrapper.cpp b/src/rustllvm/RustWrapper.cpp
+index 25cfee3373dc4..799adb418822d 100644
+--- a/src/rustllvm/RustWrapper.cpp
++++ b/src/rustllvm/RustWrapper.cpp
+@@ -1333,8 +1333,13 @@ extern "C" LLVMValueRef LLVMRustBuildMemSet(LLVMBuilderRef B,
+                                             LLVMValueRef Dst, unsigned DstAlign,
+                                             LLVMValueRef Val,
+                                             LLVMValueRef Size, bool IsVolatile) {
++#if LLVM_VERSION_GE(10, 0)
++  return wrap(unwrap(B)->CreateMemSet(
++      unwrap(Dst), unwrap(Val), unwrap(Size), MaybeAlign(DstAlign), IsVolatile));
++#else
+   return wrap(unwrap(B)->CreateMemSet(
+       unwrap(Dst), unwrap(Val), unwrap(Size), DstAlign, IsVolatile));
++#endif
+ }
+ 
+ extern "C" LLVMValueRef

testing/rust/patches/musl.patch

@@ -0,0 +1,82 @@
+diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs
+index eced035..f988315 100644
+--- a/src/bootstrap/compile.rs
++++ b/src/bootstrap/compile.rs
+@@ -132,7 +132,7 @@ fn copy_third_party_objects(
+     // with a glibc-targeting toolchain, given we have the appropriate startup
+     // files. As those shipped with glibc won't work, copy the ones provided by
+     // musl so we have them on linux-gnu hosts.
+-    if target.contains("musl") {
++    if target.contains("noop") {
+         let srcdir = builder.musl_root(target).unwrap().join("lib");
+         for &obj in &["crt1.o", "crti.o", "crtn.o"] {
+             copy_and_stamp(&srcdir, obj);
+diff --git a/src/bootstrap/sanity.rs b/src/bootstrap/sanity.rs
+index 8ff7056..53c0194 100644
+--- a/src/bootstrap/sanity.rs
++++ b/src/bootstrap/sanity.rs
+@@ -205,7 +205,7 @@ pub fn check(build: &mut Build) {
+         }
+
+         // Make sure musl-root is valid
+-        if target.contains("musl") {
++        if target.contains("noop") {
+             // 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 {
+diff --git a/src/librustc_target/spec/linux_musl_base.rs b/src/librustc_target/spec/linux_musl_base.rs
+index e294e63..17fecb3 100644
+--- a/src/librustc_target/spec/linux_musl_base.rs
++++ b/src/librustc_target/spec/linux_musl_base.rs
+@@ -26,7 +26,7 @@ pub fn opts() -> TargetOptions {
+     base.post_link_objects_crt.push("crtn.o".to_string());
+
+     // These targets statically link libc by default
+-    base.crt_static_default = true;
++    base.crt_static_default = false;
+     // These targets allow the user to choose between static and dynamic linking.
+     base.crt_static_respected = true;
+
+
+diff --git a/src/libunwind/build.rs b/src/libunwind/build.rs
+index a24808b..25300a5 100644
+--- a/src/libunwind/build.rs
++++ b/src/libunwind/build.rs
+@@ -10,7 +10,7 @@ fn main() {
+         // Build the unwinding from libunwind C/C++ source code.
+         llvm_libunwind::compile();
+     } else if target.contains("linux") {
+-        if target.contains("musl") {
++        if target.contains("noop") {
+             // linking for musl is handled in lib.rs
+             llvm_libunwind::compile();
+         } else if !target.contains("android") {
+
+diff --git a/src/libunwind/lib.rs b/src/libunwind/lib.rs
+index 18d41be..6fddd6d 100644
+--- a/src/libunwind/lib.rs
++++ b/src/libunwind/lib.rs
+@@ -18,7 +18,7 @@ cfg_if::cfg_if! {
+     }
+ }
+
+-#[cfg(target_env = "musl")]
++#[cfg(target_env = "noop")]
+ #[link(name = "unwind", kind = "static", cfg(target_feature = "crt-static"))]
+ #[link(name = "gcc_s", cfg(not(target_feature = "crt-static")))]
+ extern "C" {}
+
+diff --git a/vendor/libc/src/unix/mod.rs b/vendor/libc/src/unix/mod.rs
+index 238da24..71d4f31 100644
+--- a/vendor/libc/src/unix/mod.rs
++++ b/vendor/libc/src/unix/mod.rs
+@@ -298,7 +298,7 @@ cfg_if! {
+     } else if #[cfg(feature = "std")] {
+         // cargo build, don't pull in anything extra as the libstd dep
+         // already pulls in all libs.
+-    } else if #[cfg(target_env = "musl")] {
++    } else if #[cfg(target_env = "noop")] {
+         #[cfg_attr(feature = "rustc-dep-of-std",
+                    link(name = "c", kind = "static",
+                         cfg(target_feature = "crt-static")))]
+

testing/rust/sources

@@ -0,0 +1,6 @@
+https://static.rust-lang.org/dist/rustc-1.43.0-src.tar.xz
+https://static.rust-lang.org/dist/2020-03-12/rust-std-1.42.0-x86_64-unknown-linux-musl.tar.xz?no-extract
+https://static.rust-lang.org/dist/2020-03-12/rustc-1.42.0-x86_64-unknown-linux-musl.tar.xz?no-extract
+https://static.rust-lang.org/dist/2020-03-12/cargo-0.43.0-x86_64-unknown-linux-musl.tar.xz?no-extract
+patches/musl.patch
+patches/llvm10.patch

testing/rust/version

@@ -0,0 +1 @@
+1.43.0 1