automake: Clean up cxxtest.cc.

'distcheck' complains on some configurations:

  ERROR: files left in build directory after distclean:
  ./include/openvswitch/cxxtest.cc

CC: Ben Pfaff <blp@ovn.org>
Fixes: 994bfc298502 ("Automatically verify that OVS header files work OK in C++ also.")
Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>

diff --git a/include/openvswitch/automake.mk b/include/openvswitch/automake.mk
index aede515663cd31e7a73256929f7b0d2f8264e52a..73c346175733725356a41e9c448fae3c7bdaabf3 100644 (file)
--- a/include/openvswitch/automake.mk
+++ b/include/openvswitch/automake.mk
@@ -64,6 +64,7 @@ include/openvswitch/cxxtest.cc: \
        for header in $(openvswitchinclude_HEADERS); do \
          echo $$header; \
        done | sed 's,^include/\(.*\)$$,#include <\1>,'; } > $@
+CLEANFILES += include/openvswitch/cxxtest.cc
 endif
 
 # OVS does not use C++ itself, but it provides public header files