Prevent automake building empty AuthTypes.cc

diff --git a/src/auth/Makefile.am b/src/auth/Makefile.am
index 470ece27795abbbe393a1c450db586b22b47bda9..2c0e9eaa5e8f4a82e089c6f7d56bc8c9db2303e9 100644 (file)
--- a/src/auth/Makefile.am
+++ b/src/auth/Makefile.am
@@ -71,7 +71,7 @@ libnegotiate_la_SOURCES = \
        negotiate/negotiateUserRequest.h
 
 AuthType.cc: AuthType.h $(top_srcdir)/src/mk-string-arrays.awk
-       $(AWK) -f $(top_srcdir)/src/mk-string-arrays.awk < $(srcdir)/AuthType.h > $@
+       $(AWK) -f $(top_srcdir)/src/mk-string-arrays.awk < $(srcdir)/AuthType.h > $@ || (rm -f $@ ; exit 1)
 
 
 TESTS += testHeaders