Make generated empty gnu stub files available for mpers_test.sh check. * m4/mpers.m4 (st_MPERS): Add $IFLAG to CPPFLAGS for mpers_test.sh invocation. Complements: v4.11~223 ("mpers.m4: workaround missing gnu/stubs-*.h files")
Make generated empty gnu stub files available for mpers_test.sh check. * m4/mpers.m4 (st_MPERS): Add $IFLAG to CPPFLAGS for mpers_test.sh invocation. Complements: v4.11~223 ("mpers.m4: workaround missing gnu/stubs-*.h files")