Index: Mk/Uses/qt.mk
===================================================================
--- Mk/Uses/qt.mk	(revision 494754)
+++ Mk/Uses/qt.mk	(working copy)
@@ -140,9 +140,12 @@
 _USE_QT_ALL=		assistant dbus declarative designer doc gui help \
 			imageformats l10n linguist linguisttools multimedia \
 			network opengl pixeltool qdbusviewer qmake script \
-			scripttools sql sql-ibase sql-mysql sql-odbc sql-pgsql \
+			scripttools sql sql-mysql sql-odbc sql-pgsql \
 			sql-sqlite2 sql-sqlite3 svg testlib webkit \
 			xml xmlpatterns
+.if ${ARCH} == amd64 || ${ARCH} == i386
+_USE_QT_ALL+=	sql-ibase
+.endif
 
 _USE_QT4_ONLY=		accessible assistant-adp assistantclient clucene codecs-cn codecs-jp \
 			codecs-kr codecs-tw corelib demo graphicssystems-opengl \