feat: add pkg-config tool package config

config/pkg/tool/pkg-config.yml

@@ -0,0 +1,13 @@
+pkg-config:
+  type: tool
+  artifact:
+    source: 'https://dl.static-php.dev/static-php-cli/deps/pkg-config/pkg-config-0.29.2.tar.gz'
+    binary:
+      linux-x86_64: { type: ghrel, repo: static-php/hosted, match: pkg-config-x86_64-linux-musl-1.2.5.txz, extract: { bin/pkg-config: '{pkg_root_path}/bin/pkg-config' } }
+      linux-aarch64: { type: ghrel, repo: static-php/hosted, match: pkg-config-aarch64-linux-musl-1.2.5.txz, extract: { bin/pkg-config: '{pkg_root_path}/bin/pkg-config' } }
+      macos-x86_64: { type: ghrel, repo: static-php/hosted, match: pkg-config-x86_64-darwin.txz, extract: { bin/pkg-config: '{pkg_root_path}/bin/pkg-config' } }
+      macos-aarch64: { type: ghrel, repo: static-php/hosted, match: pkg-config-aarch64-darwin.txz, extract: { bin/pkg-config: '{pkg_root_path}/bin/pkg-config' } }
+  tool:
+    provides:
+      - pkg-config
+    binary-subdir: bin

src/Package/Tool/pkgconfig.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Package\Tool;
+
+use StaticPHP\Attribute\Package\BuildFor;
+use StaticPHP\Attribute\Package\InitPackage;
+use StaticPHP\Attribute\Package\Tool;
+use StaticPHP\DI\ApplicationContext;
+use StaticPHP\Package\ToolPackage;
+use StaticPHP\Runtime\Executor\UnixAutoconfExecutor;
+use StaticPHP\Toolchain\Interface\ToolchainInterface;
+
+#[Tool('pkg-config')]
+class pkgconfig
+{
+    #[InitPackage]
+    public function resolveBuild(): void
+    {
+        ApplicationContext::set('elephant', true);
+    }
+
+    #[BuildFor('Linux')]
+    #[BuildFor('Darwin')]
+    public function build(ToolPackage $package, ToolchainInterface $toolchain): void
+    {
+        UnixAutoconfExecutor::create($package)
+            ->appendEnv([
+                'CFLAGS' => '-Wimplicit-function-declaration -Wno-int-conversion',
+                'LDFLAGS' => $toolchain->isStatic() ? '--static' : '',
+            ])
+            ->configure(
+                '--with-internal-glib',
+                '--disable-host-tool',
+                '--without-sysroot',
+                '--without-system-include-path',
+                '--without-system-library-path',
+                '--without-pc-path',
+            )
+            ->make(with_install: 'install-exec');
+
+        shell()->exec("strip {$package->getBinDir()}/pkg-config");
+    }
+}