-/// $PackageInfo: require_system("centos") pcre-devel pkgconfig
-/// $PackageInfo: require_system("darwin") pcre pkg-config
-/// $PackageInfo: require_system("debian") libpcre3-dev pkg-config
-/// $PackageInfo: require_system("ubuntu") libpcre3-dev pkg-config
+/// $PackageInfo: require_system("arch") pcre
+/// $PackageInfo: require_system("centos") pcre-devel
+/// $PackageInfo: require_system("darwin") pcre
+/// $PackageInfo: require_system("debian") libpcre3-dev
+/// $PackageInfo: require_system("ubuntu") libpcre3-dev