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134 lines
3.4 KiB
Bash
Executable File
134 lines
3.4 KiB
Bash
Executable File
#!/bin/sh -e
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export DESTDIR="$1"
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patch -p1 < fix-curl.patch
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# Instruct the compiler to trim absolute paths in resulting binaries and instead
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# change them to relative paths ($PWD/... ./...).
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export RUSTFLAGS="$RUSTFLAGS --remap-path-prefix=$PWD=."
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# Set shared linking as the default.
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sed 's/\(crt_static_default = \)true/\1false/' \
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compiler/rustc_target/src/spec/linux_musl_base.rs > _
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mv -f _ compiler/rustc_target/src/spec/linux_musl_base.rs
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# Ignore checksums of files modified above.
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sed 's/\("files":{\)[^}]*/\1/' \
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vendor/curl-sys/.cargo-checksum.json > _
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mv -f _ vendor/curl-sys/.cargo-checksum.json
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cat > config.toml <<EOF
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[llvm]
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link-shared = true
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skip-rebuild = true
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[build]
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build = "x86_64-unknown-linux-musl"
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host = [ "x86_64-unknown-linux-musl" ]
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target = [ "x86_64-unknown-linux-musl" ]
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docs = false
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compiler-docs = false
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extended = true
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submodules = false
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python = "python3"
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locked-deps = true
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vendor = true
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tools = [ "cargo", "rustfmt" ]
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sanitizers = false
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profiler = false
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full-bootstrap = false
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EOF
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# If possible, use system rust to bootstrap.
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maj="${2%%.*}"
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min="${2%.*}"
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min="${min#*.}"
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# Fall back to vendor binaries if rustc, et al are not present, or if one of
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# them suffered ABI breakage.
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rust_version=$(rustc --version 2>/dev/null) || rust_version=null
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cargo --version 2>/dev/null || rust_version=null
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rustfmt --version 2>/dev/null || rust_version=null
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rust_version="${rust_version#rustc }"
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case "$rust_version" in
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"$maj.$min".*|"$maj.$((min - 1))".*)
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cat >> config.toml <<EOF
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cargo = "/usr/bin/cargo"
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rustc = "/usr/bin/rustc"
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rustfmt = "/usr/bin/rustfmt"
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EOF
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;;
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*)
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# This mimics the download process of rust's 'x.py'
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# bootstrap library to allow for the removal of the internet
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# connection requirement per build.
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mkdir -p "${cache_dir:=build/cache/2023-03-28}"
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for tarball in *.tar.xz\?no-extract; do
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mv -f "$tarball" "$cache_dir/${tarball%%\?no-extract}"
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done
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;;
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esac
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cat >> config.toml <<EOF
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[install]
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prefix = "/usr"
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[target.x86_64-unknown-linux-musl]
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llvm-config = "/usr/bin/llvm-config"
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crt-static = false
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sanitizers = false
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[dist]
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src-tarball = false
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[rust]
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backtrace = false
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channel = "stable"
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codegen-tests = false
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codegen-units-std = 1
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codegen-units = 0
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debug = false
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debug-assertions = false
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debuginfo-level = 0
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incremental = false
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jemalloc = false
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rpath = false
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dist-src = false
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EOF
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# Workaround to get Rust to build in llvm-only environments.
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# libgcc_s.so is needed for Rust's bootstrap binaries, on llvm-only systems
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# this library does not exist. This hack creates it as alias to libunwind.
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libunwind_path=$("$CC" -print-file-name=libunwind.so)
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case $libunwind_path in */*)
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printf 'llvm-libunwind = "system"\n' >> config.toml
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mkdir -p libgcc
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printf 'INPUT(-lunwind)\n' > \
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libgcc/libgcc_s.so
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ln -sf "$libunwind_path" \
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libgcc/libgcc_s.so.1
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export \
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LD_LIBRARY_PATH="$PWD/libgcc:$LD_LIBRARY_PATH" \
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LIBRARY_PATH="$PWD/libgcc:$LIBRARY_PATH"
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esac
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python x.py build -j "$(grep -scF 'core id' /proc/cpuinfo)"
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python x.py install
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rm -rf \
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"$1/usr/lib/rustlib/src/" \
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"$1/usr/share/doc" \
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"$1/usr/share/zsh" \
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"$1/usr/lib/rustlib/uninstall.sh"
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