PHP_ARG_WITH(pear, [whether to install PEAR],
[ --with-pear=DIR Install PEAR in DIR [PREFIX/lib/php]
--without-pear Do not install PEAR], DEFAULT, yes)
PHP_ARG_WITH(pear, [whether to install PEAR],
[ --with-pear=DIR Install PEAR in DIR [PREFIX/lib/php]
--without-pear Do not install PEAR], DEFAULT, yes)