Add universal Avalonia static graphics package

scripts/build-linux-static-graphics.sh

@@ -0,0 +1,273 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+WORK_DIR="${WORK_DIR:-$ROOT_DIR/External/NativeStatic/.work}"
+TARGET_CPU="${TARGET_CPU:-x64}"
+RID="${RID:-linux-$TARGET_CPU}"
+OUTPUT_DIR="${OUTPUT_DIR:-$ROOT_DIR/External/NativeStatic/$RID}"
+SKIASHARP_VERSION="${SKIASHARP_VERSION:-3.119.2}"
+ANGLE_BRANCH="${ANGLE_BRANCH:-7151}"
+BUILD_JOBS="${BUILD_JOBS:-$(nproc)}"
+ANGLE_PATCH_DIR="${ANGLE_PATCH_DIR:-$ROOT_DIR/External/NativeStatic/patches}"
+LLVM_AR="${LLVM_AR:-llvm-ar-19}"
+
+usage() {
+  cat <<'USAGE'
+Usage: scripts/build-linux-static-graphics.sh [skia|angle|all]
+
+Environment:
+  WORK_DIR            Source/build cache directory. Default: External/NativeStatic/.work
+  OUTPUT_DIR          Final static library directory. Default: External/NativeStatic/linux-$TARGET_CPU
+  SKIASHARP_VERSION   SkiaSharp release branch version. Default: 3.119.2
+  ANGLE_BRANCH        ANGLE chromium branch. Default: 7151
+  TARGET_CPU          GN target_cpu. Default: x64. Supported: x64, arm64
+  RID                 Output RID. Default: linux-$TARGET_CPU
+  BUILD_JOBS          Ninja parallelism. Default: nproc
+  ANGLE_PATCH_DIR     ANGLE patch directory. Default: External/NativeStatic/patches
+  LLVM_AR             llvm-ar command used to expand thin archives. Default: llvm-ar-19
+USAGE
+}
+
+require_cmd() {
+  if ! command -v "$1" >/dev/null 2>&1; then
+    echo "Missing required command: $1" >&2
+    exit 1
+  fi
+}
+
+ensure_tools() {
+  require_cmd git
+  require_cmd python3
+  require_cmd clang
+  require_cmd clang++
+  require_cmd ar
+  require_cmd "$LLVM_AR"
+  require_cmd ninja
+  require_cmd pkg-config
+}
+
+ensure_depot_tools() {
+  local depot_dir="$WORK_DIR/depot_tools"
+  if [[ ! -d "$depot_dir/.git" ]]; then
+    git clone --depth 1 https://chromium.googlesource.com/chromium/tools/depot_tools.git "$depot_dir"
+  else
+    git -C "$depot_dir" pull --ff-only
+  fi
+  export PATH="$depot_dir:$PATH"
+}
+
+sync_skiasharp() {
+  local src="$WORK_DIR/SkiaSharp-$SKIASHARP_VERSION"
+  if [[ ! -d "$src/.git" ]]; then
+    git clone --depth 1 --branch "release/$SKIASHARP_VERSION" https://github.com/mono/SkiaSharp.git "$src"
+  else
+    git -C "$src" fetch --depth 1 origin "release/$SKIASHARP_VERSION"
+    git -C "$src" checkout -q FETCH_HEAD
+  fi
+  git -C "$src" submodule update --init --depth 1 externals/skia >&2
+  echo "$src"
+}
+
+sync_skia_deps() {
+  local skia_dir="$1/externals/skia"
+  if [[ ! -x "$skia_dir/bin/gn" ]]; then
+    python3 "$skia_dir/tools/git-sync-deps"
+  fi
+}
+
+build_skia() {
+  ensure_tools
+  ensure_depot_tools
+  local src
+  src="$(sync_skiasharp)"
+  sync_skia_deps "$src"
+
+  local skia_dir="$src/externals/skia"
+  local out_dir="$skia_dir/out/linux-static-$TARGET_CPU"
+  mkdir -p "$out_dir" "$OUTPUT_DIR"
+
+  cat >"$out_dir/args.gn" <<EOF_ARGS
+target_os = "linux"
+target_cpu = "$TARGET_CPU"
+is_official_build = true
+is_static_skiasharp = true
+skia_enable_tools = false
+skia_enable_ganesh = true
+skia_enable_pdf = false
+skia_enable_skottie = false
+skia_use_dng_sdk = false
+skia_use_fontconfig = true
+skia_use_freetype = true
+skia_use_harfbuzz = false
+skia_use_icu = false
+skia_use_piex = false
+skia_use_sfntly = false
+skia_use_system_expat = false
+skia_use_system_freetype2 = false
+skia_use_system_libjpeg_turbo = false
+skia_use_system_libpng = false
+skia_use_system_libwebp = false
+skia_use_system_zlib = false
+skia_use_vulkan = false
+skia_use_xps = false
+cc = "clang"
+cxx = "clang++"
+ar = "ar"
+extra_cflags = [
+  "-DSKIA_C_DLL",
+  "-DHAVE_SYSCALL_GETRANDOM",
+  "-DXML_DEV_URANDOM",
+]
+extra_cflags_cc = [ "-frtti" ]
+extra_ldflags = [ "-static-libstdc++", "-static-libgcc" ]
+EOF_ARGS
+
+  (cd "$skia_dir" && "$skia_dir/bin/gn" gen "$out_dir")
+  ninja -C "$out_dir" -j "$BUILD_JOBS" skia SkiaSharp HarfBuzzSharp
+
+  copy_first_existing "$OUTPUT_DIR/libskia.a" \
+    "$out_dir/libskia.a" \
+    "$out_dir/obj/libskia.a"
+  copy_first_existing "$OUTPUT_DIR/libSkiaSharp.a" \
+    "$out_dir/libSkiaSharp.a" \
+    "$out_dir/obj/libSkiaSharp.a"
+  copy_first_existing "$OUTPUT_DIR/libHarfBuzzSharp.a" \
+    "$out_dir/libHarfBuzzSharp.a" \
+    "$out_dir/obj/libHarfBuzzSharp.a"
+}
+
+sync_angle() {
+  local src="$WORK_DIR/ANGLE-$ANGLE_BRANCH"
+  if [[ ! -d "$src/.git" ]]; then
+    git clone --depth 1 --branch "chromium/$ANGLE_BRANCH" https://github.com/google/angle.git "$src"
+  else
+    git -C "$src" fetch --depth 1 origin "chromium/$ANGLE_BRANCH"
+    git -C "$src" checkout -q FETCH_HEAD
+  fi
+  echo "$src"
+}
+
+build_angle() {
+  ensure_tools
+  ensure_depot_tools
+  local src
+  src="$(sync_angle)"
+  mkdir -p "$OUTPUT_DIR"
+
+  cd "$src"
+  apply_angle_patches "$src"
+  python3 scripts/bootstrap.py
+  gclient sync -f -D -R
+
+  local out_dir="$src/out/linux-static-$TARGET_CPU"
+  mkdir -p "$out_dir"
+  cat >"$out_dir/args.gn" <<EOF_ARGS
+target_os = "linux"
+target_cpu = "$TARGET_CPU"
+is_debug = false
+is_component_build = false
+is_clang = true
+use_custom_libcxx = false
+use_lld = false
+use_thin_lto = false
+symbol_level = 0
+angle_build_tests = false
+build_angle_deqp_tests = false
+angle_enable_swiftshader = false
+angle_enable_vulkan = false
+angle_enable_wgpu = false
+EOF_ARGS
+
+  gn gen "$out_dir"
+  ninja -C "$out_dir" -j "$BUILD_JOBS" libANGLE_static libGLESv2_static
+
+  copy_full_archive_from_thin "$out_dir" "$OUTPUT_DIR/libANGLE_static.a" \
+    "$out_dir/obj/libANGLE_static.a" \
+    "$out_dir/obj/libANGLE_static/libANGLE_static.a" \
+    "$out_dir/libANGLE_static.a"
+  copy_full_archive_from_thin "$out_dir" "$OUTPUT_DIR/libGLESv2_static.a" \
+    "$out_dir/obj/libGLESv2_static.a" \
+    "$out_dir/obj/libGLESv2_static/libGLESv2_static.a" \
+    "$out_dir/libGLESv2_static.a"
+}
+
+apply_angle_patches() {
+  local src="$1"
+  local build_patch="$ANGLE_PATCH_DIR/angle-chromium-$ANGLE_BRANCH.patch"
+  local deps_patch="$ANGLE_PATCH_DIR/angle-chromium-$ANGLE_BRANCH-deps.patch"
+
+  if [[ -f "$build_patch" ]] && ! git -C "$src" grep -q 'angle_static_library("libANGLE_static")' -- BUILD.gn; then
+    git -C "$src" apply "$build_patch"
+  elif [[ -f "$deps_patch" ]] && ! git -C "$src" apply --check "$deps_patch" >/dev/null 2>&1; then
+    :
+  elif [[ -f "$deps_patch" ]]; then
+    git -C "$src" apply "$deps_patch"
+  fi
+}
+
+copy_first_existing() {
+  local dest="$1"
+  shift
+  for src in "$@"; do
+    if [[ -f "$src" ]]; then
+      cp "$src" "$dest"
+      echo "Wrote $dest"
+      return 0
+    fi
+  done
+  echo "None of the expected files exist for $dest:" >&2
+  printf '  %s\n' "$@" >&2
+  return 1
+}
+
+copy_full_archive_from_thin() {
+  local base_dir="$1"
+  local dest="$2"
+  shift 2
+
+  local src
+  for src in "$@"; do
+    if [[ -f "$src" ]]; then
+      if [[ "$(head -c 7 "$src")" == "!<thin>" ]]; then
+        local tmp="$dest.tmp"
+        local rel_src="${src#$base_dir/}"
+        (
+          cd "$base_dir"
+          mapfile -t members < <("$LLVM_AR" t "$rel_src")
+          "$LLVM_AR" rcs "$tmp" "${members[@]}"
+        )
+        mv "$tmp" "$dest"
+      else
+        cp "$src" "$dest"
+      fi
+      echo "Wrote $dest"
+      return 0
+    fi
+  done
+
+  echo "None of the expected files exist for $dest:" >&2
+  printf '  %s\n' "$@" >&2
+  return 1
+}
+
+main() {
+  mkdir -p "$WORK_DIR" "$OUTPUT_DIR"
+  case "${1:-all}" in
+    skia) build_skia ;;
+    angle) build_angle ;;
+    all)
+      build_skia
+      build_angle
+      ;;
+    -h|--help|help)
+      usage
+      ;;
+    *)
+      usage >&2
+      exit 1
+      ;;
+  esac
+}
+
+main "$@"

scripts/build-macos-static-graphics.sh

@@ -0,0 +1,180 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+WORK_DIR="${WORK_DIR:-$ROOT_DIR/External/NativeStatic/.work}"
+TARGET_CPU="${TARGET_CPU:-arm64}"
+RID="${RID:-osx-$TARGET_CPU}"
+OUTPUT_DIR="${OUTPUT_DIR:-$ROOT_DIR/External/NativeStatic/$RID}"
+SKIASHARP_VERSION="${SKIASHARP_VERSION:-3.119.2}"
+ANGLE_BRANCH="${ANGLE_BRANCH:-7151}"
+BUILD_JOBS="${BUILD_JOBS:-$(sysctl -n hw.ncpu)}"
+ANGLE_PATCH_DIR="${ANGLE_PATCH_DIR:-$ROOT_DIR/External/NativeStatic/patches}"
+
+require_cmd() {
+  if ! command -v "$1" >/dev/null 2>&1; then
+    echo "Missing required command: $1" >&2
+    exit 1
+  fi
+}
+
+ensure_tools() {
+  require_cmd git
+  require_cmd python3
+  require_cmd clang
+  require_cmd clang++
+  require_cmd ar
+  require_cmd ninja
+}
+
+ensure_depot_tools() {
+  local depot_dir="$WORK_DIR/depot_tools"
+  if [[ ! -d "$depot_dir/.git" ]]; then
+    git clone --depth 1 https://chromium.googlesource.com/chromium/tools/depot_tools.git "$depot_dir"
+  else
+    git -C "$depot_dir" pull --ff-only
+  fi
+  export PATH="$depot_dir:$PATH"
+}
+
+copy_first_existing() {
+  local dest="$1"
+  shift
+  for src in "$@"; do
+    if [[ -f "$src" ]]; then
+      cp "$src" "$dest"
+      echo "Wrote $dest"
+      return 0
+    fi
+  done
+  echo "None of the expected files exist for $dest:" >&2
+  printf '  %s\n' "$@" >&2
+  return 1
+}
+
+sync_skiasharp() {
+  local src="$WORK_DIR/SkiaSharp-$SKIASHARP_VERSION"
+  if [[ ! -d "$src/.git" ]]; then
+    git clone --depth 1 --branch "release/$SKIASHARP_VERSION" https://github.com/mono/SkiaSharp.git "$src"
+  else
+    git -C "$src" fetch --depth 1 origin "release/$SKIASHARP_VERSION"
+    git -C "$src" checkout -q FETCH_HEAD
+  fi
+  git -C "$src" submodule update --init --depth 1 externals/skia >&2
+  echo "$src"
+}
+
+build_skia() {
+  ensure_tools
+  ensure_depot_tools
+  local src
+  src="$(sync_skiasharp)"
+  local skia_dir="$src/externals/skia"
+  if [[ ! -x "$skia_dir/bin/gn" ]]; then
+    python3 "$skia_dir/tools/git-sync-deps"
+  fi
+
+  local out_dir="$skia_dir/out/mac-static-$TARGET_CPU"
+  mkdir -p "$out_dir" "$OUTPUT_DIR"
+  cat >"$out_dir/args.gn" <<EOF_ARGS
+target_os = "mac"
+target_cpu = "$TARGET_CPU"
+is_official_build = true
+is_static_skiasharp = true
+skia_enable_tools = false
+skia_enable_ganesh = true
+skia_enable_pdf = false
+skia_enable_skottie = false
+skia_use_dng_sdk = false
+skia_use_fontconfig = false
+skia_use_freetype = false
+skia_use_harfbuzz = false
+skia_use_icu = false
+skia_use_piex = false
+skia_use_sfntly = false
+skia_use_system_expat = false
+skia_use_system_libjpeg_turbo = false
+skia_use_system_libpng = false
+skia_use_system_libwebp = false
+skia_use_system_zlib = false
+skia_use_vulkan = false
+skia_use_xps = false
+cc = "clang"
+cxx = "clang++"
+ar = "ar"
+extra_cflags = [ "-DSKIA_C_DLL" ]
+extra_cflags_cc = [ "-frtti" ]
+EOF_ARGS
+
+  "$skia_dir/bin/gn" gen "$out_dir"
+  ninja -C "$out_dir" -j "$BUILD_JOBS" skia SkiaSharp HarfBuzzSharp
+  copy_first_existing "$OUTPUT_DIR/libskia.a" "$out_dir/libskia.a" "$out_dir/obj/libskia.a"
+  copy_first_existing "$OUTPUT_DIR/libSkiaSharp.a" "$out_dir/libSkiaSharp.a" "$out_dir/obj/libSkiaSharp.a"
+  copy_first_existing "$OUTPUT_DIR/libHarfBuzzSharp.a" "$out_dir/libHarfBuzzSharp.a" "$out_dir/obj/libHarfBuzzSharp.a"
+}
+
+sync_angle() {
+  local src="$WORK_DIR/ANGLE-$ANGLE_BRANCH"
+  if [[ ! -d "$src/.git" ]]; then
+    git clone --depth 1 --branch "chromium/$ANGLE_BRANCH" https://github.com/google/angle.git "$src"
+  else
+    git -C "$src" fetch --depth 1 origin "chromium/$ANGLE_BRANCH"
+    git -C "$src" checkout -q FETCH_HEAD
+  fi
+  echo "$src"
+}
+
+apply_angle_patches() {
+  local src="$1"
+  local patch="$ANGLE_PATCH_DIR/angle-chromium-$ANGLE_BRANCH.patch"
+  if [[ -f "$patch" ]] && ! git -C "$src" grep -q 'angle_static_library("libANGLE_static")' -- BUILD.gn; then
+    git -C "$src" apply "$patch"
+  fi
+}
+
+build_angle() {
+  ensure_tools
+  ensure_depot_tools
+  local src
+  src="$(sync_angle)"
+  mkdir -p "$OUTPUT_DIR"
+  apply_angle_patches "$src"
+  cd "$src"
+  python3 scripts/bootstrap.py
+  gclient sync -f -D -R
+
+  local out_dir="$src/out/mac-static-$TARGET_CPU"
+  mkdir -p "$out_dir"
+  cat >"$out_dir/args.gn" <<EOF_ARGS
+target_os = "mac"
+target_cpu = "$TARGET_CPU"
+is_debug = false
+is_component_build = false
+is_clang = true
+use_lld = false
+use_thin_lto = false
+symbol_level = 0
+angle_build_tests = false
+build_angle_deqp_tests = false
+angle_enable_swiftshader = false
+angle_enable_vulkan = false
+angle_enable_wgpu = false
+EOF_ARGS
+
+  gn gen "$out_dir"
+  ninja -C "$out_dir" -j "$BUILD_JOBS" libANGLE_static libGLESv2_static
+  copy_first_existing "$OUTPUT_DIR/libANGLE_static.a" "$out_dir/libANGLE_static.a" "$out_dir/obj/libANGLE_static.a" "$out_dir/obj/libANGLE_static/libANGLE_static.a"
+  copy_first_existing "$OUTPUT_DIR/libGLESv2_static.a" "$out_dir/libGLESv2_static.a" "$out_dir/obj/libGLESv2_static.a" "$out_dir/obj/libGLESv2_static/libGLESv2_static.a"
+}
+
+main() {
+  mkdir -p "$WORK_DIR" "$OUTPUT_DIR"
+  case "${1:-all}" in
+    skia) build_skia ;;
+    angle) build_angle ;;
+    all) build_skia; build_angle ;;
+    *) echo "Usage: scripts/build-macos-static-graphics.sh [skia|angle|all]" >&2; exit 1 ;;
+  esac
+}
+
+main "$@"

scripts/build-windows-static-graphics.ps1

@@ -0,0 +1,170 @@
+param(
+    [ValidateSet("skia", "angle", "all")]
+    [string]$Target = "all"
+)
+
+$ErrorActionPreference = "Stop"
+
+$RootDir = Split-Path -Parent $PSScriptRoot
+$WorkDir = if ($env:WORK_DIR) { $env:WORK_DIR } else { Join-Path $RootDir "External\NativeStatic\.work" }
+$SkiaSharpVersion = if ($env:SKIASHARP_VERSION) { $env:SKIASHARP_VERSION } else { "3.119.2" }
+$AngleBranch = if ($env:ANGLE_BRANCH) { $env:ANGLE_BRANCH } else { "7151" }
+$TargetCpu = if ($env:TARGET_CPU) { $env:TARGET_CPU } else { "x64" }
+$Rid = if ($env:RID) { $env:RID } else { "win-$TargetCpu" }
+$OutputDir = if ($env:OUTPUT_DIR) { $env:OUTPUT_DIR } else { Join-Path $RootDir "External\NativeStatic\$Rid" }
+$BuildJobs = if ($env:BUILD_JOBS) { $env:BUILD_JOBS } else { [Environment]::ProcessorCount }
+$AnglePatchDir = if ($env:ANGLE_PATCH_DIR) { $env:ANGLE_PATCH_DIR } else { Join-Path $RootDir "External\NativeStatic\patches" }
+
+function Require-Command($Name) {
+    if (-not (Get-Command $Name -ErrorAction SilentlyContinue)) {
+        throw "Missing required command: $Name"
+    }
+}
+
+function Ensure-Tools {
+    Require-Command git
+    Require-Command python
+    Require-Command ninja
+}
+
+function Ensure-DepotTools {
+    $depotDir = Join-Path $WorkDir "depot_tools"
+    if (-not (Test-Path (Join-Path $depotDir ".git"))) {
+        git clone --depth 1 https://chromium.googlesource.com/chromium/tools/depot_tools.git $depotDir
+    } else {
+        git -C $depotDir pull --ff-only
+    }
+    $env:PATH = "$depotDir;$env:PATH"
+}
+
+function Copy-FirstExisting($Destination, [string[]]$Candidates) {
+    foreach ($candidate in $Candidates) {
+        if (Test-Path $candidate) {
+            Copy-Item $candidate $Destination -Force
+            Write-Host "Wrote $Destination"
+            return
+        }
+    }
+    throw "None of the expected files exist for $Destination: $($Candidates -join ', ')"
+}
+
+function Sync-SkiaSharp {
+    $src = Join-Path $WorkDir "SkiaSharp-$SkiaSharpVersion"
+    if (-not (Test-Path (Join-Path $src ".git"))) {
+        git clone --depth 1 --branch "release/$SkiaSharpVersion" https://github.com/mono/SkiaSharp.git $src
+    } else {
+        git -C $src fetch --depth 1 origin "release/$SkiaSharpVersion"
+        git -C $src checkout -q FETCH_HEAD
+    }
+    git -C $src submodule update --init --depth 1 externals/skia
+    return $src
+}
+
+function Build-Skia {
+    Ensure-Tools
+    Ensure-DepotTools
+    $src = Sync-SkiaSharp
+    $skiaDir = Join-Path $src "externals\skia"
+    if (-not (Test-Path (Join-Path $skiaDir "bin\gn.exe"))) {
+        python (Join-Path $skiaDir "tools\git-sync-deps")
+    }
+
+    $outDir = Join-Path $skiaDir "out\win-static-$TargetCpu"
+    New-Item -ItemType Directory -Path $outDir, $OutputDir -Force | Out-Null
+    @"
+target_os = "win"
+target_cpu = "$TargetCpu"
+is_official_build = true
+is_static_skiasharp = true
+is_clang = true
+skia_enable_tools = false
+skia_enable_ganesh = true
+skia_enable_pdf = false
+skia_enable_skottie = false
+skia_use_dng_sdk = false
+skia_use_fontconfig = false
+skia_use_freetype = true
+skia_use_harfbuzz = false
+skia_use_icu = false
+skia_use_piex = false
+skia_use_sfntly = false
+skia_use_system_expat = false
+skia_use_system_freetype2 = false
+skia_use_system_libjpeg_turbo = false
+skia_use_system_libpng = false
+skia_use_system_libwebp = false
+skia_use_system_zlib = false
+skia_use_vulkan = false
+skia_use_xps = false
+extra_cflags = [ "-DSKIA_C_DLL" ]
+extra_cflags_cc = [ "/GR" ]
+"@ | Set-Content -Path (Join-Path $outDir "args.gn") -Encoding ASCII
+
+    & (Join-Path $skiaDir "bin\gn.exe") gen $outDir
+    ninja -C $outDir -j $BuildJobs skia SkiaSharp HarfBuzzSharp
+
+    Copy-FirstExisting (Join-Path $OutputDir "skia.lib") @((Join-Path $outDir "skia.lib"), (Join-Path $outDir "obj\skia.lib"))
+    Copy-FirstExisting (Join-Path $OutputDir "SkiaSharp.lib") @((Join-Path $outDir "SkiaSharp.lib"), (Join-Path $outDir "obj\SkiaSharp.lib"))
+    Copy-FirstExisting (Join-Path $OutputDir "libHarfBuzzSharp.lib") @((Join-Path $outDir "libHarfBuzzSharp.lib"), (Join-Path $outDir "obj\libHarfBuzzSharp.lib"))
+}
+
+function Sync-Angle {
+    $src = Join-Path $WorkDir "ANGLE-$AngleBranch"
+    if (-not (Test-Path (Join-Path $src ".git"))) {
+        git clone --depth 1 --branch "chromium/$AngleBranch" https://github.com/google/angle.git $src
+    } else {
+        git -C $src fetch --depth 1 origin "chromium/$AngleBranch"
+        git -C $src checkout -q FETCH_HEAD
+    }
+    return $src
+}
+
+function Apply-AnglePatches($Src) {
+    $patch = Join-Path $AnglePatchDir "angle-chromium-$AngleBranch.patch"
+    if ((Test-Path $patch) -and -not (Select-String -Path (Join-Path $Src "BUILD.gn") -Pattern 'angle_static_library\("libANGLE_static"\)' -Quiet)) {
+        git -C $Src apply $patch
+    }
+}
+
+function Build-Angle {
+    Ensure-Tools
+    Ensure-DepotTools
+    $src = Sync-Angle
+    New-Item -ItemType Directory -Path $OutputDir -Force | Out-Null
+    Apply-AnglePatches $src
+    Push-Location $src
+    try {
+        python scripts/bootstrap.py
+        gclient sync -f -D -R
+        $outDir = Join-Path $src "out\win-static-$TargetCpu"
+        New-Item -ItemType Directory -Path $outDir -Force | Out-Null
+        @"
+target_os = "win"
+target_cpu = "$TargetCpu"
+is_debug = false
+is_component_build = false
+is_clang = true
+use_lld = false
+use_thin_lto = false
+symbol_level = 0
+angle_build_tests = false
+build_angle_deqp_tests = false
+angle_enable_swiftshader = false
+angle_enable_vulkan = false
+angle_enable_wgpu = false
+"@ | Set-Content -Path (Join-Path $outDir "args.gn") -Encoding ASCII
+        gn gen $outDir
+        ninja -C $outDir -j $BuildJobs libANGLE_static libGLESv2_static
+        Copy-FirstExisting (Join-Path $OutputDir "libANGLE_static.lib") @((Join-Path $outDir "libANGLE_static.lib"), (Join-Path $outDir "obj\libANGLE_static.lib"), (Join-Path $outDir "obj\libANGLE_static\libANGLE_static.lib"))
+        Copy-FirstExisting (Join-Path $OutputDir "libGLESv2_static.lib") @((Join-Path $outDir "libGLESv2_static.lib"), (Join-Path $outDir "obj\libGLESv2_static.lib"), (Join-Path $outDir "obj\libGLESv2_static\libGLESv2_static.lib"))
+    } finally {
+        Pop-Location
+    }
+}
+
+New-Item -ItemType Directory -Path $WorkDir, $OutputDir -Force | Out-Null
+switch ($Target) {
+    "skia" { Build-Skia }
+    "angle" { Build-Angle }
+    "all" { Build-Skia; Build-Angle }
+}