PHP_ARG_ENABLE(pipi, whether to enable Libpipi support,
[ --enable-pipi   Enable Libpipi support])

if test "$PHP_PIPI" = "yes"; then
	AC_CHECK_LIB(pipi, pipi_get_version, [
		PHP_ADD_LIBRARY(pipi,, PIPI_SHARED_LIBADD)
	], [
		AC_MSG_ERROR(libpipi required !)
	])
	PHP_NEW_EXTENSION(pipi, php_pipi.c, $ext_shared,,)
	PHP_SUBST(PIPI_SHARED_LIBADD)
fi