travis: allow deprecated functions on OSX

Author: daviddrysdale

build/configure-ct

@@ -28,6 +28,7 @@ then
   case `uname` in
     Darwin)
       EXTRA_LIBS="-lresolv"
+      EXTRA_CPPFLAGS="-Wno-deprecated-declarations"
       ;;
     FreeBSD)
       EXTRA_LDFLAGS="${EXTRA_LDFLAGS} -L/usr/local/lib"
@@ -39,7 +40,7 @@ then
       ;;
   esac
 
-  ./configure GMOCK_DIR=${GMOCK} ${CONFIGURE_FLAGS} PROTOC=${INSTALL_DIR}/bin/protoc PKG_CONFIG_PATH="${INSTALL_DIR}/lib/pkgconfig" CPPFLAGS="-I${INSTALL_DIR}/include -I${PWD}/third_party/objecthash" CXXFLAGS="${CXXFLAGS} ${EXTRA_CXXFLAGS}" LDFLAGS="-L${INSTALL_DIR}/lib -L${PWD}/third_party/objecthash $EXTRA_LDFLAGS" LIBS="${EXTRA_LIBS}" INSTALL_DIR=${INSTALL_DIR} || tail -1000 config.log
+  ./configure GMOCK_DIR=${GMOCK} ${CONFIGURE_FLAGS} PROTOC=${INSTALL_DIR}/bin/protoc PKG_CONFIG_PATH="${INSTALL_DIR}/lib/pkgconfig" CPPFLAGS="-I${INSTALL_DIR}/include -I${PWD}/third_party/objecthash ${EXTRA_CPPFLAGS}" CXXFLAGS="${CXXFLAGS} ${EXTRA_CXXFLAGS}" LDFLAGS="-L${INSTALL_DIR}/lib -L${PWD}/third_party/objecthash $EXTRA_LDFLAGS" LIBS="${EXTRA_LIBS}" INSTALL_DIR=${INSTALL_DIR} || tail -1000 config.log
 
   ./config.status --config
 fi