OVS_CHECK_POSIX_AIO
OVS_ENABLE_OPTION([-Wall])
+OVS_ENABLE_OPTION([-Wextra])
OVS_ENABLE_OPTION([-Wno-sign-compare])
OVS_ENABLE_OPTION([-Wpointer-arith])
OVS_ENABLE_OPTION([-Wdeclaration-after-statement])
OVS_ENABLE_OPTION([-Wold-style-definition])
OVS_ENABLE_OPTION([-Wmissing-prototypes])
OVS_ENABLE_OPTION([-Wmissing-field-initializers])
-OVS_ENABLE_OPTION([-Wno-override-init])
OVS_CONDITIONAL_CC_OPTION([-Wno-unused], [HAVE_WNO_UNUSED])
OVS_CONDITIONAL_CC_OPTION([-Wno-unused-parameter], [HAVE_WNO_UNUSED_PARAMETER])
OVS_ENABLE_WERROR