Support --feature argument in build scripts for AVIF

build.bat

@@ -1,10 +1,11 @@
 @echo off
-setlocal
+setlocal enabledelayedexpansion
 
 REM This script is a wrapper for build.ps1 to allow execution from a standard command prompt.
 
 set "TARGET=windows-dev"
 set "CLEAN_ARG="
+set "FEATURE_ARG="
 set "ARGS="
 
 :arg_loop
@@ -13,6 +14,13 @@ if /i "%~1"=="--clean" (
     set "CLEAN_ARG=-Clean"
 ) else if /i "%~1"=="--android" (
     set "TARGET=android"
+) else if /i "%~1"=="--feature" (
+    if defined FEATURE_ARG (
+        set "FEATURE_ARG=!FEATURE_ARG!,%~2"
+    ) else (
+        set "FEATURE_ARG=%~2"
+    )
+    shift
 ) else (
     REM Assuming the first non-flag argument is the target
     if /i "%~1"=="windows" (
@@ -26,7 +34,10 @@ goto arg_loop
 :end_arg_loop
 
 set "ARGS=-Target %TARGET% %CLEAN_ARG%"
+if defined FEATURE_ARG (
+    set "ARGS=!ARGS! -Feature !FEATURE_ARG!"
+)
 
-powershell -NoProfile -ExecutionPolicy Bypass -File "%~dp0\build.ps1" %ARGS%
+powershell -NoProfile -ExecutionPolicy Bypass -File "%~dp0\build.ps1" !ARGS!
 
 exit /b %errorlevel%

build.ps1

@@ -27,7 +27,10 @@ param (
     [string]$Target = "windows-dev",
 
     [Parameter()]
-    [switch]$Clean = $false
+    [switch]$Clean = $false,
+
+    [Parameter()]
+    [string[]]$Feature = @()
 )
 
 $ErrorActionPreference = "Stop"
@@ -98,8 +101,23 @@ function Build-Native {
         }
     }
 
+    $ExtraArgs = @()
+    if ($Feature.Count -gt 0) {
+        $FeatureString = $Feature -join ","
+        $ExtraArgs += "-DVCPKG_MANIFEST_FEATURES=$FeatureString"
+        if ($Feature -contains "avif") {
+            $ExtraArgs += "-DWITH_AVIF=ON"
+        }
+    }
+
     Write-Log "Configuring ($Preset)..."
-    cmake --preset $Preset
+    if ($ExtraArgs.Count -gt 0) {
+        Write-Log "Features: $($Feature -join ",")"
+        cmake --preset $Preset $ExtraArgs
+    } else {
+        cmake --preset $Preset
+    }
+
     if ($LASTEXITCODE -ne 0) { throw "Configuration failed." }
 
     Write-Log "Building ($Preset)..."

build.sh

@@ -81,17 +81,32 @@ ensure_ios_deps() {
 PRESET=""
 CLEAN=0
 TARGET_ANDROID=0
+FEATURES=""
+EXTRA_CMAKE_ARGS=""
 
 # Parse arguments
 while [[ $# -gt 0 ]]; do
     case $1 in
         --clean) CLEAN=1; shift ;; 
         --android) TARGET_ANDROID=1; shift ;; 
+        --feature)
+            if [ -n "$FEATURES" ]; then
+                FEATURES="$FEATURES,$2"
+            else
+                FEATURES="$2"
+            fi
+
+            if [ "$2" == "avif" ]; then
+                EXTRA_CMAKE_ARGS="$EXTRA_CMAKE_ARGS -DWITH_AVIF=ON"
+            fi
+            shift 2
+            ;;
         --help|-h) 
             echo "Usage: ./build.sh [options] [preset]"
             echo "Options:"
-            echo "  --clean    Clean build directory before building"
-            echo "  --android  Build for Android"
+            echo "  --clean         Clean build directory before building"
+            echo "  --android       Build for Android"
+            echo "  --feature <val> Enable a feature (e.g. avif)"
             echo "Presets (auto-detected if omitted):"
             echo "  macos-arm64, macos-x64, linux-release, mingw"
             exit 0 
@@ -100,6 +115,10 @@ while [[ $# -gt 0 ]]; do
     esac
 done
 
+if [ -n "$FEATURES" ]; then
+    EXTRA_CMAKE_ARGS="$EXTRA_CMAKE_ARGS -DVCPKG_MANIFEST_FEATURES=$FEATURES"
+fi
+
 # Android Build
 if [ "$TARGET_ANDROID" -eq 1 ]; then
     ensure_tsc
@@ -130,8 +149,8 @@ if [ "$CLEAN" -eq 1 ]; then
     rm -rf "$PROJECT_ROOT/out/build/$PRESET"
 fi
 
-log "Configuring preset: $PRESET"
-cmake --preset "$PRESET"
+log "Configuring preset: $PRESET (Features: $FEATURES)"
+cmake --preset "$PRESET" $EXTRA_CMAKE_ARGS
 
 log "Building preset: $PRESET"
 cmake --build --preset "$PRESET"