diff --git a/meta/site/powerpc-common b/meta/site/powerpc-common
new file mode 100644
index 0000000..efa299c
--- /dev/null
+++ b/meta/site/powerpc-common
@@ -0,0 +1,14 @@
+# glib
+ac_cv_alignof_guint32=4
+ac_cv_alignof_guint64=8
+ac_cv_alignof_unsigned_long=4
+
+# at-spi2-core
+ac_cv_alignof_char=1
+ac_cv_alignof_dbind_pointer=4
+ac_cv_alignof_dbind_struct=1
+ac_cv_alignof_dbus_bool_t=4
+ac_cv_alignof_dbus_int16_t=2
+ac_cv_alignof_dbus_int32_t=4
+ac_cv_alignof_dbus_int64_t=8
+ac_cv_alignof_double=8