src: Call bison with -Wno-yacc to silence warnings

Bison-3.3 significantly increased warnings for POSIX incompatibilities,
it now complains about missing support for %name-prefix, %define,
%destructor and string literals. The latter applies to parameter of
%name-prefix and all relevant %token statements.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/src/Makefile.am b/src/Makefile.am
index e2b531390cefb67b6d0bf95f26b744763081176c..740c21f2cac8547e180f86136e83086a518ad2e6 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -22,7 +22,7 @@ AM_CFLAGS = -Wall                                                             \
            -Waggregate-return -Wunused -Wwrite-strings ${GCC_FVISIBILITY_HIDDEN}
 
 
-AM_YFLAGS = -d
+AM_YFLAGS = -d -Wno-yacc
 
 BUILT_SOURCES = parser_bison.h