- AS_HELP_STRING([--enable-vde], [enable support for Virtual Distributed Ethernet]),
- [ AC_CHECK_HEADERS(libvdeplug_dyn.h, [], [AC_MSG_ERROR([VDE plug header files not found.]); break])
- AC_DEFINE(ENABLE_VDE, 1, [Support for VDE])
- vde=true
- ]
+ AS_HELP_STRING([--disable-vde], [enable support for Virtual Distributed Ethernet]),
+ [ AS_IF([test "x$enable_vde" = "xyes"],
+ [ AC_CHECK_HEADERS(libvdeplug_dyn.h, [], [AC_MSG_ERROR([VDE plug header files not found.]); break])
+ AC_DEFINE(ENABLE_VDE, 1, [Support for VDE])
+ vde=true
+ ],
+ [vde=false])
+ ],
+ [vde=false]