ffmpeg reports not being able to build with XCode 4.1, even if XCode 4.3 is installed

[glen.henshaw@…]

$ sudo port clean --all ffmpeg
--->  Cleaning ffmpeg
$ sudo port upgrade outdated
--->  Computing dependencies for ffmpeg
--->  Fetching archive for ffmpeg
--->  Attempting to fetch ffmpeg-0.7.11_1.darwin_11.x86_64.tgz from http://packages.macports.org/ffmpeg
--->  Fetching ffmpeg
--->  Attempting to fetch ffmpeg-0.7.11.tar.bz2 from http://ykf.ca.distfiles.macports.org/MacPorts/mpdistfiles/ffmpeg
--->  Verifying checksum(s) for ffmpeg
--->  Extracting ffmpeg
--->  Applying patches to ffmpeg
--->  Configuring ffmpeg
Error: Target org.macports.configure returned: XCode 4.1 cannot compile ffmpeg; please upgrade
Log for ffmpeg is at: /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_multimedia_ffmpeg/ffmpeg/main.log
Error: Unable to upgrade port: 1
To report a bug, see <http://guide.macports.org/#project.tickets>
$  

[glen.henshaw@…]

build log

[glen.henshaw@…]

This is on a Macbook Pro running 10.7.3 and XCode 4.3.1

[mf2k (Frank Schima)]

Uninstall Xcode 4.1 and see the ​guide and hotlist about properly installing Xcode 4.3.1. Follow-ups to the ​macports-users mailing list because Trac is not for tech support.