message: Enable C++ warning.
diff: @@ -615,7 +615,7 @@ if test "$PHP_SWOOLE" != "no"; then
  PHP_REQUIRE_CXX()
  PHP_ADD_LIBRARY(stdc++, 1, SWOOLE_SHARED_LIBADD)
  - CXXFLAGS="$CXXFLAGS -std=c++11"
  + CXXFLAGS="$CXXFLAGS -Wall -Wno-unused-function -Wno-deprecated -std=c++11"
  if test "$PHP_PICOHTTPPARSER" = "yes"; then
  PHP_ADD_INCLUDE([$ext_srcdir/thirdparty/picohttpparser])
  