caret version 5.6.4~dfsg.1-1ubuntu1 failed to build on armel

caret version 5.6.4~dfsg.1-1ubuntu1 failed to build on armel
Link to failed build: https://launchpad.net/ubuntu/+source/caret/5.6.4~dfsg.1-1ubuntu1/+build/2748670

Direct link to the build log: https://launchpad.net/ubuntu/+source/caret/5.6.4~dfsg.1-1ubuntu1/+build/2748670/+files/buildlog_ubuntu-oneiric-armel.caret_5.6.4%7Edfsg.1-1ubuntu1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1940 lines into the build log:

Building: 'caret_files'
cd caret_files && make
make[1]: Entering directory `/build/buildd/caret-5.6.4~dfsg.1/caret_files'
g++ -c -pipe -fopenmp -DUBUNTU -Wno-deprecated -g -Wno-deprecated -Wall -g -O2 -DCARET_BUILDID=Ubuntu_arm -D_REENTRANT -Wall -W -fPIC -DCARET_FLAG -DHAVE_MINC -DHAVE_VTK -DHAVE_VTK5 -DHAVE_MINC -DQT_NO_DEBUG -DQT_PLUGIN -DQT_XML_LIB -DQT_OPENGL_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++ -I. -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtNetwork -I/usr/include/qt4/QtGui -I/usr/include/qt4/QtOpenGL -I/usr/include/qt4/QtXml -I/usr/include/qt4 -I. -I../caret_brain_set -I../caret_command_operations -I../caret_common -I../caret_statistics -I../caret_files -I../caret_uniformize -I../caret_widgets -I../caret_cifti -I/usr/include -I/usr/include/vtk-5.6 -I/usr/include -I/usr/X11R6/include -I. -o AbstractFile.o AbstractFile.cxx
AbstractFile.cxx: In member function 'void AbstractFile::clearDisplayList()':
AbstractFile.cxx:886:37: error: 'glIsList' was not declared in this scope
AbstractFile.cxx:887:44: error: 'glDeleteLists' was not declared in this scope
AbstractFile.cxx: At global scope:
AbstractFile.cxx:2668:1: warning: unused parameter 'structure' [-Wunused-parameter]
AbstractFile.cxx:2668:1: warning: unused parameter 'colorFileIn' [-Wunused-parameter]
AbstractFile.cxx:2668:1: warning: unused parameter 'useCaret6ExtensionFlag' [-Wunused-parameter]
make[1]: *** [AbstractFile.o] Error 1
make[1]: Leaving directory `/build/buildd/caret-5.6.4~dfsg.1/caret_files'
make: *** [build-caret_files] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110902-0527
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/caret-5.6.4~dfsg.1