- enable cairo support
- enable portaudio/sendfile - audio not working yet, revisit later
- adjust include and lib search order again. put /usr/local before
/usr/X11R6 so we link to ports expat and not the one that comes with X11R6
- add -pthread to PTHREAD_CFLAGS in odk subproject
- integrate audacity portaudio patches and link to ossaudio
- strip Linux shlib major version numbers from dlopen()'ed lib names
- link stlport with stdc++ to resolve some undefined symbols
- remove getpwuid_r workaround in sal/osl/unx/security.c since a suitable
one already exits in sal/osl/unx/system.c