refactor to pkg-config and add some add-on libs for gd

src/SPC/builder/unix/library/libavif.php

@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\builder\unix\library;
+
+use SPC\store\FileSystem;
+
+trait libavif
+{
+    protected function build()
+    {
+        // CMake needs a clean build directory
+        FileSystem::resetDir($this->source_dir . '/build');
+        // Start build
+        shell()->cd($this->source_dir . '/build')
+            ->exec(
+                "{$this->builder->configure_env} cmake " .
+                $this->builder->makeCmakeArgs() . ' ' .
+                '-DBUILD_SHARED_LIBS=OFF ' .
+                '..'
+            )
+            ->exec("cmake --build . -j {$this->builder->concurrency}")
+            ->exec('make install DESTDIR=' . BUILD_ROOT_PATH);
+        // patch pkgconfig
+        $this->patchPkgconfPrefix(['libavif.pc']);
+    }
+}