dnl system checking configure definitions for im-sdk

dnl output:
dnl       HAVE_CHEWING
AC_DEFUN([IM_CHECK_CHEWING],
[
	ldflags_backup="${LDFLAGS}"
	LDFLAGS="${LDFLAGS} -lcrypt"
	AC_CHECK_HEADER(chewing/chewing.h, [ HAVE_CHEWING="yes" ])
	AC_CHECK_LIB(chewing, InitChewing, [ HAVE_LIBCHEWING="yes" ])
	if test "X${HAVE_CHEWING}" = "Xyes" -a "X${HAVE_LIBCHEWING}" = "Xyes" ; then
		HAVE_CHEWING="yes"
	else
		HAVE_CHEWING="no"
	fi
	LDFLAGS="${ldflags_backup}"
])