If you use MacPorts under Mac OS X 10.5, .6, or .7, "sudo port install gnuradio" should work as of this morning for installing all of the background dependencies (and, version GR 3.3.0 from the tarball if that's good enough). I had to fix SDCC 2.9 to work under 10.7, as well as tweak GNU Radio 3.3.0 tarball's configure script to correctly set the MD_CPU types under 10.7 (just like when 10.6 came out). It looks like the MD_CPU issue has been fixed since the 3.3.0 release, as the current GIT master seems to build cleanly and make check (as correctly as possible) on 10.7 (64 bit) with no changes (and with Volk disabled). The UDP QA code doesn't work any better on 10.7 than on 10.6. I think the primary OSX issue right now is setting the audio input device sample rate using using it as an audio source. There are a few of us looking into this issue as time allows; hopefully nobody is truly dependent on this feature when using OSX. - MLD
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