* configure.in: Provide a new --with-bridge option.
* src/Makefile.am (PRIVSYMFILES) [WITH_BRIDGE]: Append libvirt_bridge.syms.
* src/bridge.c: Test WITH_BRIDGE rather than particular drivers.
* src/libvirt_private.syms: Move bridge-related symbols into...
* src/libvirt_bridge.syms: ...this new file.
Author: John Levon