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yuanyuanxiang
197
android/build_android_libs.ps1
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197
android/build_android_libs.ps1
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<#
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.SYNOPSIS
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Build libzstd.a and libsign.a for Android (4 ABIs)
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.DESCRIPTION
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Cross-compile Android static libraries on Windows using Android SDK cmake + NDK.
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Supports: arm64-v8a / armeabi-v7a (device), x86 / x86_64 (emulator)
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Usage:
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cd C:\github\YAMA\android
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PowerShell -ExecutionPolicy Bypass -File .\build_android_libs.ps1
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Options:
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-Force Rebuild even if .a files already exist
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-SimplePluginsPath Path to SimplePlugins repo (default: sibling directory)
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-ZstdOnly Build libzstd.a only
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-SignOnly Build libsign.a only
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#>
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param(
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[switch]$Force,
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[string]$SimplePluginsPath = "",
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[switch]$ZstdOnly,
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[switch]$SignOnly
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)
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Set-StrictMode -Version Latest
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$ErrorActionPreference = "Stop"
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$SCRIPT_DIR = $PSScriptRoot
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# -- Android SDK ---------------------------------------------------------------
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$SDK = $env:ANDROID_HOME
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if (-not $SDK) { $SDK = $env:ANDROID_SDK_ROOT }
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if (-not $SDK) { $SDK = "$env:LOCALAPPDATA\Android\Sdk" }
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if (-not (Test-Path $SDK)) {
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Write-Error "Android SDK not found: $SDK`nSet ANDROID_HOME environment variable."
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exit 1
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}
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# -- NDK -----------------------------------------------------------------------
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$NDK = $env:ANDROID_NDK
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if (-not $NDK) { $NDK = $env:ANDROID_NDK_HOME }
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if (-not $NDK -or -not (Test-Path "$NDK\build\cmake\android.toolchain.cmake")) {
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$ndkCandidate = Get-ChildItem "$SDK\ndk" -Directory -ErrorAction SilentlyContinue |
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Sort-Object Name -Descending |
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Select-Object -First 1
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if ($ndkCandidate) { $NDK = $ndkCandidate.FullName }
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}
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if (-not (Test-Path "$NDK\build\cmake\android.toolchain.cmake")) {
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Write-Error "NDK not found. Install via Android Studio > SDK Manager > NDK, or set ANDROID_NDK."
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exit 1
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}
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Write-Host "NDK: $NDK"
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# -- Android SDK cmake + ninja -------------------------------------------------
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$CMAKE = $null
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$sdkCmakeDirs = Get-ChildItem "$SDK\cmake" -Directory -ErrorAction SilentlyContinue |
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Sort-Object Name -Descending
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foreach ($dir in $sdkCmakeDirs) {
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$cmakeBin = "$($dir.FullName)\bin\cmake.exe"
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$ninjaBin = "$($dir.FullName)\bin\ninja.exe"
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if ((Test-Path $cmakeBin) -and (Test-Path $ninjaBin)) {
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$CMAKE = $cmakeBin
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$env:PATH = "$($dir.FullName)\bin;$env:PATH"
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break
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}
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}
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if (-not $CMAKE) {
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$cmakeCmd = Get-Command cmake -ErrorAction SilentlyContinue
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if ($cmakeCmd) { $CMAKE = $cmakeCmd.Source }
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}
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if (-not $CMAKE) {
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Write-Error "cmake not found. Install via Android Studio > SDK Manager > cmake."
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exit 1
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}
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Write-Host "cmake: $CMAKE"
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# -- SimplePlugins -------------------------------------------------------------
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$SIGN_SRC = $SimplePluginsPath
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if (-not $SIGN_SRC) {
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$candidate = "$SCRIPT_DIR\..\..\SimplePlugins"
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if (Test-Path $candidate) {
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$SIGN_SRC = (Resolve-Path $candidate).Path
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}
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}
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if ((-not $ZstdOnly) -and (-not (Test-Path "$SIGN_SRC\license_unix.cpp"))) {
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Write-Error "SimplePlugins not found: $SIGN_SRC`nUse -SimplePluginsPath C:\path\to\SimplePlugins"
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exit 1
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}
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if (-not $ZstdOnly) { Write-Host "sign: $SIGN_SRC" }
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# -- Common variables ----------------------------------------------------------
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$TOOLCHAIN = "$NDK\build\cmake\android.toolchain.cmake"
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$ABIS = @("arm64-v8a", "armeabi-v7a", "x86", "x86_64")
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$LIB_BASE = "$SCRIPT_DIR\app\src\main\cpp\lib"
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# ==============================================================================
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# Part 1 - libzstd.a
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# ==============================================================================
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if (-not $SignOnly) {
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$ZSTD_VER = "1.5.7"
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$ZSTD_SRC = "$SCRIPT_DIR\zstd-$ZSTD_VER"
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if (-not (Test-Path $ZSTD_SRC)) {
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$TAR = "$SCRIPT_DIR\zstd.tar.gz"
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Write-Host "`nDownloading zstd $ZSTD_VER..."
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Invoke-WebRequest `
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"https://github.com/facebook/zstd/releases/download/v$ZSTD_VER/zstd-$ZSTD_VER.tar.gz" `
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-OutFile $TAR
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Write-Host "Extracting..."
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tar -xf $TAR -C $SCRIPT_DIR
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Remove-Item $TAR
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}
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foreach ($ABI in $ABIS) {
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$outFile = "$LIB_BASE\$ABI\libzstd.a"
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if ((Test-Path $outFile) -and (-not $Force)) {
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Write-Host "`n[skip] zstd $ABI -- already exists (use -Force to rebuild)"
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continue
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}
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Write-Host "`n===== zstd $ABI ====="
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$BUILD = "$SCRIPT_DIR\zstd_build\$ABI"
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Remove-Item -Recurse -Force $BUILD -ErrorAction SilentlyContinue
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New-Item -ItemType Directory -Force "$LIB_BASE\$ABI" | Out-Null
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$configArgs = @(
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"-B", $BUILD,
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"-S", "$ZSTD_SRC\build\cmake",
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"-G", "Ninja",
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"-DCMAKE_TOOLCHAIN_FILE=$TOOLCHAIN",
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"-DANDROID_ABI=$ABI",
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"-DANDROID_PLATFORM=android-21",
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"-DCMAKE_BUILD_TYPE=Release",
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"-DCMAKE_C_FLAGS=-O2 -g0",
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"-DZSTD_BUILD_STATIC=ON",
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"-DZSTD_BUILD_SHARED=OFF",
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"-DZSTD_BUILD_PROGRAMS=OFF",
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"-DZSTD_BUILD_TESTS=OFF",
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"-DZSTD_LEGACY_SUPPORT=0"
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)
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& $CMAKE @configArgs
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if ($LASTEXITCODE -ne 0) { Write-Error "cmake configure failed"; exit 1 }
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& $CMAKE --build $BUILD --config Release
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if ($LASTEXITCODE -ne 0) { Write-Error "cmake build failed"; exit 1 }
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Copy-Item "$BUILD\lib\libzstd.a" $outFile -Force
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$sz = [math]::Round((Get-Item $outFile).Length / 1KB)
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Write-Host " --> $outFile (${sz} KB)"
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}
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Remove-Item -Recurse -Force "$SCRIPT_DIR\zstd_build" -ErrorAction SilentlyContinue
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Remove-Item -Recurse -Force $ZSTD_SRC -ErrorAction SilentlyContinue
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}
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# ==============================================================================
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# Part 2 - libsign.a
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# ==============================================================================
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if (-not $ZstdOnly) {
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foreach ($ABI in $ABIS) {
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$outFile = "$LIB_BASE\$ABI\libsign.a"
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if ((Test-Path $outFile) -and (-not $Force)) {
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Write-Host "`n[skip] sign $ABI -- already exists (use -Force to rebuild)"
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continue
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}
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Write-Host "`n===== sign $ABI ====="
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$BUILD = "$SCRIPT_DIR\sign_build\$ABI"
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Remove-Item -Recurse -Force $BUILD -ErrorAction SilentlyContinue
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New-Item -ItemType Directory -Force "$LIB_BASE\$ABI" | Out-Null
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$configArgs = @(
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"-B", $BUILD,
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"-S", "$SIGN_SRC\sign_lib",
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"-G", "Ninja",
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"-DCMAKE_TOOLCHAIN_FILE=$TOOLCHAIN",
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"-DANDROID_ABI=$ABI",
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"-DANDROID_PLATFORM=android-21",
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"-DCMAKE_BUILD_TYPE=Release",
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"-DCMAKE_C_FLAGS=-Os -g0"
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)
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& $CMAKE @configArgs
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if ($LASTEXITCODE -ne 0) { Write-Error "cmake configure failed"; exit 1 }
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& $CMAKE --build $BUILD --config Release
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if ($LASTEXITCODE -ne 0) { Write-Error "cmake build failed"; exit 1 }
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Copy-Item "$BUILD\libsign.a" $outFile -Force
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$sz = [math]::Round((Get-Item $outFile).Length / 1KB)
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Write-Host " --> $outFile (${sz} KB)"
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}
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Remove-Item -Recurse -Force "$SCRIPT_DIR\sign_build" -ErrorAction SilentlyContinue
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}
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# -- Summary -------------------------------------------------------------------
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Write-Host "`n===== Done ====="
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Get-ChildItem $LIB_BASE -Recurse -Filter "*.a" | Sort-Object FullName |
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ForEach-Object {
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$rel = $_.FullName.Substring($LIB_BASE.Length + 1)
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$sz = [math]::Round($_.Length / 1KB)
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Write-Host (" {0,-40} {1,6} KB" -f $rel, $sz)
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}
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