75 lines
2.4 KiB
Bash
75 lines
2.4 KiB
Bash
#!/usr/bin/env bash
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set -e
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# CG_CLIF_FORCE_GNU_AS will force usage of as instead of the LLVM backend of rustc as
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# the LLVM backend isn't compiled in here.
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export CG_CLIF_FORCE_GNU_AS=1
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# Compiletest expects all standard library paths to start with /rustc/FAKE_PREFIX.
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# CG_CLIF_STDLIB_REMAP_PATH_PREFIX will cause cg_clif's build system to pass
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# --remap-path-prefix to handle this.
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CG_CLIF_STDLIB_REMAP_PATH_PREFIX=/rustc/FAKE_PREFIX ./y.sh build
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echo "[SETUP] Rust fork"
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git clone --quiet https://github.com/rust-lang/rust.git --filter=tree:0 || true
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pushd rust
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git fetch
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git checkout --no-progress -- .
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git checkout --no-progress "$(rustc -V | cut -d' ' -f3 | tr -d '(')"
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git submodule update --quiet --init src/tools/cargo library/backtrace library/stdarch
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git -c user.name=Dummy -c user.email=dummy@example.com -c commit.gpgSign=false \
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am ../patches/*-stdlib-*.patch
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cat > config.toml <<EOF
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change-id = 999999
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[llvm]
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download-ci-llvm = true
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[build]
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rustc = "$(pwd)/../dist/bin/rustc-clif"
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cargo = "$(rustup which cargo)"
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full-bootstrap = true
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local-rebuild = true
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[rust]
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download-rustc = false
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codegen-backends = ["cranelift"]
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deny-warnings = false
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verbose-tests = false
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# The cg_clif sysroot doesn't contain llvm tools and unless llvm_tools is
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# disabled bootstrap will crash trying to copy llvm tools for the bootstrap
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# compiler.
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llvm-tools = false
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std-features = ["panic-unwind", "compiler-builtins-no-f16-f128"]
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EOF
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cat <<EOF | git apply -
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diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs
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index cf4ef4ee310..fe78560fcaf 100644
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--- a/src/bootstrap/src/core/config/config.rs
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+++ b/src/bootstrap/src/core/config/config.rs
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@@ -3138,13 +3138,6 @@ fn parse_download_ci_llvm(
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);
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}
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- if b && self.is_running_on_ci {
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- // On CI, we must always rebuild LLVM if there were any modifications to it
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- panic!(
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- "\`llvm.download-ci-llvm\` cannot be set to \`true\` on CI. Use \`if-unchanged\` instead."
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- );
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- }
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-
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// If download-ci-llvm=true we also want to check that CI llvm is available
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b && llvm::is_ci_llvm_available_for_target(self, asserts)
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}
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EOF
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popd
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# Allow the testsuite to use llvm tools
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host_triple=$(rustc -vV | grep host | cut -d: -f2 | tr -d " ")
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export LLVM_BIN_DIR="$(rustc --print sysroot)/lib/rustlib/$host_triple/bin"
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