Allow specification of --with-libarchive with pie

Author: cataphract

composer.json

@@ -18,6 +18,13 @@
     },
     "php-ext": {
         "extension-name": "archive",
-        "download-url-method": ["pre-packaged-binary", "composer-default"]
+        "download-url-method": ["pre-packaged-binary", "composer-default"],
+        "configure-options": [
+            {
+                "name": "with-libarchive",
+                "description": "Path to libarchive installation",
+                "needs-value": true
+            }
+        ]
     }
 }