I downloaded version 2.1.1, and followed the instructions for installation (copied folder to Applications, etc.) Now when I double-click the Audacity icon, I get this error, and it fails to launch:
The application “Audacity” can’t be opened.
I see this in the Console:
10/26/15 8:56:19.078 AM Finder: spawn_via_launchd() failed, errno=111 label=[0x0-0x4d74d7].net.sourceforge.audacity path=/Applications/Audacity/Audacity.app/Contents/MacOS/Audacity.sh flags=1 : LaunchApplicationClient.cp #963 LaunchApplicationWithSpawnViaLaunchD() q=com.apple.root.default-qos
I tried disabling Gatekeeper, but that didn’t help. I also tried deleting the ~/Library/Application Support/audacity folder, and even tried running Audacity.sh directly. Finally, I tried this fix