Gource: error upgrading port on Lion 10.7.4

[Marc W.]

I get an error trying to 'port upgrade gource' today:

$ uname -v
Darwin Kernel Version 11.4.0: Mon Apr  9 19:32:15 PDT 2012;
root:xnu-1699.26.8~1/RELEASE_X86_64

$ sudo port selfupdate
--->  Updating MacPorts base sources using rsync
MacPorts base version 2.1.1 installed,
MacPorts base version 2.1.1 downloaded.
--->  Updating the ports tree
sudo port clean gource
--->  MacPorts base is already the latest version
The ports tree has been updated. To upgrade your installed ports, you should run
  port upgrade outdated

$ port outdated
The following installed ports are outdated:
gource                         0.38_1 < 0.38_2

$ sudo port upgrade outdated
--->  Computing dependencies for gource
--->  Fetching archive for gource
--->  Attempting to fetch gource-0.38_2.darwin_11.x86_64.tbz2 from
http://packages.macports.org/gource
--->  Fetching distfiles for gource
--->  Verifying checksum(s) for gource
--->  Extracting gource
--->  Configuring gource
--->  Building gource
Error: org.macports.build for port gource returned: command execution failed
Please see the log file for port gource for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_gource/gource/main.log
Error: Unable to upgrade port: 1
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets


That log file is here:
https://dl.dropbox.com/u/1884454/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_gource%2Cgource%2Cmain.log

""""
:info:build 	/usr/bin/llvm-g++-4.2 -DPACKAGE_NAME=\"Gource\"
-DPACKAGE_TARNAME=\"gource\" -DPACKAGE_VERSION=\"0.38\"
-DPACKAGE_STRING=\"Gource\ 0.38\"
-DPACKAGE_BUGREPORT=\"acaudwell at gmail.com\" -DPACKAGE_URL=\"\"
-DPACKAGE=\"gource\" -DVERSION=\"0.38\" -DHAVE_TIMEGM=1
-DHAVE_UNSETENV=1 -DHAVE_PTHREAD=1 -DSTDC_HEADERS=1
-DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1
-DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1
-DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1
-DHAVE_OPENGL_GL_H=1 -DHAVE_OPENGL_GLU_H=1 -DHAVE_LIBPCRE=1
-DHAVE_BOOST=/\*\*/ -DHAVE_BOOST_SYSTEM=/\*\*/
-DHAVE_BOOST_FILESYSTEM=/\*\*/ -I.
-DSDLAPP_RESOURCE_DIR=\"/opt/local/share/gource\"
-I/opt/local/include -D_THREAD_SAFE  -D_THREAD_SAFE
-I/opt/local/include/SDL -D_GNU_SOURCE=1 -D_THREAD_SAFE
-I/opt/local/include/freetype2 -I/opt/local/include
-I/opt/local/include  -pipe -O2 -arch x86_64 -D_THREAD_SAFE
-D_THREAD_SAFE  -I/opt/local/include/SDL -D_GNU_SOURCE=1
-D_THREAD_SAFE -I/opt/local/include/freetype2 -I/opt/local/include -MT
src/logmill.o -MD -MP -MF $depbase.Tpo -c -o src/logmill.o
src/logmill.cpp &&\
:info:build 	mv -f $depbase.Tpo $depbase.Po
:info:build src/logmill.cpp: In member function ‘RCommitLog*
RLogMill::fetchLog(std::string&)’:
:info:build src/logmill.cpp:179: error: expected type-specifier
:info:build src/logmill.cpp:179: error: expected unqualified-id before
‘::’ token
:info:build src/logmill.cpp:179: error: expected `)' before ‘::’ token
:info:build src/logmill.cpp:179: error: expected `{' before ‘::’ token
:info:build src/logmill.cpp:179: error: ‘::filesystem_error’ has not
been declared
:info:build src/logmill.cpp:179: error: expected `;' before ‘)’ token
:info:build make: *** [src/logmill.o] Error 1
:info:build make: Leaving directory
`/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_gource/gource/work/gource-0.38'
:info:build Command failed:  cd
"/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_gource/gource/work/gource-0.38"
&& /usr/bin/make -j8 -w all
:info:build Exit code: 2
""""

Any ideas? Thanks,
-Marc