whirlgif installation failure

[jxzhu@…]

When the following command

sudo port install whirlgif

is executed on Lion 10.7.2 with Xcode 4.2.1, the error comes out as copied/pasted below. The main.log file is attached.

Any help is appreciated.

JX

--->  Fetching archive for whirlgif
--->  Attempting to fetch whirlgif-3.04_0.darwin_11.x86_64.tbz2 from http://packages.macports.org/whirlgif
--->  Fetching whirlgif
--->  Verifying checksum(s) for whirlgif
--->  Extracting whirlgif
--->  Configuring whirlgif
--->  Building whirlgif
Error: Target org.macports.build returned: shell command failed (see log for details)
Log for whirlgif is at: /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_graphics_whirlgif/whirlgif/main.log
Error: Status 1 encountered during processing.
To report a bug, see <http://guide.macports.org/#project.tickets>