Add optional package support for libaom, libsharpyuv, libjpeg, libxml2, and libpng in Unix build

config/pkg/lib/libavif.yml

@@ -7,5 +7,12 @@ libavif:
     metadata:
       license-files: [LICENSE]
       license: BSD-2-Clause
+  depends:
+    - libaom
+  suggests:
+    - libwebp
+    - libjpeg
+    - libxml2
+    - libpng
   static-libs@unix:
     - libavif.a

src/Package/Library/libavif.php

@@ -17,6 +17,11 @@ class libavif
     public function buildUnix(LibraryPackage $lib): void
     {
         UnixCMakeExecutor::create($lib)
+            ->optionalPackage('libaom', '-DAVIF_CODEC_AOM=SYSTEM', '-DAVIF_CODEC_AOM=OFF')
+            ->optionalPackage('libsharpyuv', '-DAVIF_LIBSHARPYUV=SYSTEM', '-DAVIF_LIBSHARPYUV=OFF')
+            ->optionalPackage('libjpeg', '-DAVIF_JPEG=SYSTEM', '-DAVIF_JPEG=OFF')
+            ->optionalPackage('libxml2', '-DAVIF_LIBXML2=SYSTEM', '-DAVIF_LIBXML2=OFF')
+            ->optionalPackage('libpng', '-DAVIF_LIBPNG=SYSTEM', '-DAVIF_LIBPNG=OFF')
             ->addConfigureArgs('-DAVIF_LIBYUV=OFF')
             ->build();
         // patch pkgconfig