*darwin* | *rhapsody* | *macosx*)
AC_DEFINE_UNQUOTED(DARWIN,1,[This is an Apple Darwin system])
CPPFLAGS="-D_APPLE_C_SOURCE $CPPFLAGS"
- CFLAGS="-no-cpp-precomp -fno-common $CFLAGS"
+ CFLAGS="-fno-common $CFLAGS"
AC_MSG_WARN([The VPN application cannot be compiled on your OS])
build_target="darwin"
DEFAULT_INTERFACE="\"en0\""