mirror of
https://github.com/microsoft/mcp.git
synced 2026-11-04 12:01:31 +00:00
Anu Thomas
cded84b53b
* Ensure version alignment of multi-arch GCC base libraries to prevent libc6:arm64 / libgcc-s1 conflicts during cross-compilation setup * enable script invocation from build.tml * regex comment
119 lines
4.6 KiB
PowerShell
119 lines
4.6 KiB
PowerShell
#!/bin/env pwsh
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#Requires -Version 7
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[CmdletBinding()]
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param()
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$ErrorActionPreference = 'Stop'
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$runtime = [System.Runtime.InteropServices.RuntimeInformation]::RuntimeIdentifier
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$parts = $runtime.Split('-')
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$os = $parts[0]
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$arch = $parts[1]
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if ($os -ne 'linux') {
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Write-Host "Skipping arm64 cross-compilation toolchain installation on non-Linux host (runtime: $runtime)" -ForegroundColor Yellow
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return
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}
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if ($arch -ne 'x64') {
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Write-Host "Skipping arm64 cross-compilation toolchain installation on non-x64 Linux host (runtime: $runtime)" -ForegroundColor Yellow
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return
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}
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$bashScript = @'
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#!/usr/bin/env bash
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set -euo pipefail
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# turning on multi-arch support for arm64 on amd64 host
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sudo dpkg --add-architecture arm64 || true
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# Constrains the existing binary (and optionally source) package repositories to provide only amd64 packages,
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# this ensures only amd64 stuffs are pulled from 'archive.ubuntu.com' and 'security.ubuntu.com'
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sudo sed -i -E 's/^deb ([^[])/deb [arch=amd64] \1/' /etc/apt/sources.list
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sudo sed -i -E 's/^deb-src ([^[])/deb-src [arch=amd64] \1/' /etc/apt/sources.list
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# Adds package repositories that provide arm64 packages,
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# this ensures the arm64 stuffs are pulled from 'ports.ubuntu.com'.
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sudo tee /etc/apt/sources.list.d/arm64.list >/dev/null <<'EOF'
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deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ jammy main restricted universe multiverse
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deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ jammy-updates main restricted universe multiverse
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deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ jammy-security main restricted universe multiverse
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deb [arch=arm64] http://ports.ubuntu.com/ubuntu-ports/ jammy-backports main restricted universe multiverse
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EOF
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# Refresh package indices for both amd64 and arm64 architectures
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sudo apt-get update -qq
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# Find the 'gcc base package' name (there is only one 'gcc base package' name per Ubuntu series across all architectures)
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GCC_BASE=$(apt-cache search --names-only '^gcc-[0-9]+-base$' | awk '{print $1}' | sort -V | tail -1)
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if [[ -z "$GCC_BASE" ]]; then
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echo "ERROR: Could not determine gcc base package." >&2
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exit 1
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fi
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# Find 'gcc base package' candidate versions in both architectures
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amd64_list=$(apt-cache madison "${GCC_BASE}:amd64" | awk '{print $3}')
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arm64_list=$(apt-cache madison "${GCC_BASE}:arm64" | awk '{print $3}')
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amd64_gcc_versions=$(printf "%s\n" "$amd64_list" | sort -V)
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arm64_gcc_versions=$(printf "%s\n" "$arm64_list" | sort -V)
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# Use the highest common version of 'gcc base package'
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gcc_version=$(
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comm -12 \
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<(printf "%s\n" "$amd64_gcc_versions") \
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<(printf "%s\n" "$arm64_gcc_versions") \
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| tail -1
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)
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if [[ -z "$gcc_version" ]]; then
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echo "ERROR: No common ${GCC_BASE} version across amd64 and arm64." >&2
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echo "amd64 candidates:" >&2; printf "%s\n" "$amd64_gcc_versions" >&2
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echo "arm64 candidates:" >&2; printf "%s\n" "$arm64_gcc_versions" >&2
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exit 1
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fi
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echo "Using ${GCC_BASE} version: ${gcc_version} (selected from amd64 and arm64 candidates)"
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# Install gcc base libraries for both amd64 and arm64 with versions pinned
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# Note: 'libgcc-s1' and 'gcc-*-base' are 'Multi-Arch:same', which means they must be installed at the exact same version across all enabled architectures
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sudo DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
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${GCC_BASE}:amd64=${gcc_version} \
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${GCC_BASE}:arm64=${gcc_version} \
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libgcc-s1:amd64=${gcc_version} \
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libgcc-s1:arm64=${gcc_version}
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# Install libc6 and rest of toolchain
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# Since we already installed and pinned 'libgcc-s1:arm64' to match the 'libgcc-s1:amd64' version, version alignment is guaranteed and 'libc6:arm64' can now be installed safely.
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sudo DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
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libc6:arm64 \
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clang \
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llvm \
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lld \
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binutils-aarch64-linux-gnu \
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gcc-aarch64-linux-gnu \
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zlib1g-dev:arm64
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# Verification step
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# output the essential arm64 cross-compilation packages (libc6, libgcc-s1, gcc-*-base) installed on the amd64 host
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# Note: In dpkg -l output, the first two characters indicate the package status: the desired state (first i = install requested) and the current state (second i = package is installed)
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dpkg -l | grep -E '^(ii)\s+(libc6|libgcc-s1|gcc-[0-9]+-base):arm64' || true
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'@
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try {
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Write-Host "Installing arm64 cross-compilation toolchain..." -ForegroundColor Green
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bash -c $bashScript
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if ($LASTEXITCODE -eq 0) {
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Write-Host "arm64 cross-compilation toolchain installation completed successfully" -ForegroundColor Green
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} else {
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throw "Bash script execution failed with exit code: $LASTEXITCODE"
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}
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}
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catch {
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Write-Error "Failed to install cross-compilation toolchain: $_"
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exit 1
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} |