gentoo-overlay/app-i18n/ibus-handwrite/files/ibus-handwrite-link.patch

diff --git a/configure.ac b/configure.ac
index 8625fe9..20fdd42 100644
--- a/configure.ac
+++ b/configure.ac
@@ -80,6 +80,8 @@ AS_IF([test "x${have_zinnia}" = "xyes" ],[
 		AM_CONDITIONAL(WITH_ZINNIA,[false])		
 ])
 
+AC_SEARCH_LIBS([atan2],[m])
+
 # check ibus
 PKG_CHECK_MODULES(IBUS, [
     ibus-1.0 >= 1.3