$FreeBSD$
--- opal/event/Makefile.in.orig
+++ opal/event/Makefile.in
@@ -828,8 +828,7 @@
# Also specify where we can find this package's config.h because some
# of the header files in this directory get included elsewhere in OMPI.
# #@%@#$...
-AM_CPPFLAGS = \
- -I$(top_srcdir)/opal/event/compat
+AM_CPPFLAGS =
# OMPI: No need to build the sample or test