What to do without php.ini?

我自己编译安装了php5.6,安装完成后，发现没有php.ini文件，请问，怎么办？

我的cnofig文件

./configure
--disable-shared
--disable-fileinfo
--prefix=/usr/local/php5.6
--with-config-file-path=/usr/local/php5.6/etc
--enable-inline-optimization
--disable-debug
--disable-rpath
--enable-shared
--enable-opcache
--enable-fpm
--with-fpm-user=www
--with-fpm-group=www
--with-mysql=mysqlnd
--with-mysqli=mysqlnd
--with-pdo-mysql=mysqlnd
--with-gettext
--enable-mbstring
--with-iconv
--with-mhash
--enable-bcmath
--enable-soap
--with-libxml-dir
--enable-pcntl
--enable-shmop
--enable-sysvmsg
--enable-sysvsem
--enable-sysvshm
--enable-sockets
--with-curl
--with-zlib
--enable-zip
--with-readline