wengophone failed on i586 dockyard-devel (fastbuild.arklinux.org)

wengophone failed to build on i586 for dockyard-devel.
Last 250 lines of build log:

warning: user arklinux does not exist - using root
Installing wengophone-2.1.99.2-1ark.src.rpm
Building target platforms: i586
Building for target i586
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.38310
+ umask 022
+ cd /build-wengophone-i586/BUILD
+ cd /build-wengophone-i586/BUILD
+ rm -rf wengophone-2.1.99.2-source
+ /usr/bin/unzip -qq /usr/src/ark/SOURCES/wengophone-2.1.99.2-source.zip
+ STATUS=0
+ '[' 0 -ne 0 ']'
+ cd wengophone-2.1.99.2-source
++ /usr/bin/id -u
+ '[' 0 = 0 ']'
+ /bin/chown -Rhf root .
++ /usr/bin/id -u
+ '[' 0 = 0 ']'
+ /bin/chgrp -Rhf root .
+ /bin/chmod -Rf a+rX,g-w,o-w .
+ echo 'Patch #0 (wengophone-2.1.99.2-gcc-4.3.patch):'
Patch #0 (wengophone-2.1.99.2-gcc-4.3.patch):
+ patch -p1 -b --suffix .gcc43~ -s
+ export QTDIR=/usr/lib/qt4
+ QTDIR=/usr/lib/qt4
+ export PATH=/usr/lib/qt4/bin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/usr/X11R6/bin:/root/bin
+ PATH=/usr/lib/qt4/bin:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/usr/X11R6/bin:/root/bin
+ mkdir Build
+ cd Build
+ cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr -DOWSOUND_PORTAUDIO_SUPPORT=OFF ..
-- Check for working C compiler: /usr/bin/gcc
-- Check for working C compiler: /usr/bin/gcc -- works
-- Check size of void*
-- Check size of void* - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Found Subversion (svn): /usr/bin/svn
Subversion (svn) command line not found, it is recommended to install it
-- OS: Linux-2.6.22.3-1ark
-- Processor: unknown
-- Compiler: /usr/bin/gcc
-- Build type: Release
-- Build tool: /usr/bin/gmake
-- Build directory: /build-wengophone-i586/BUILD/wengophone-2.1.99.2-source/Build/release
-- svn revision: 0
-- Time: 20071106222641
-- Looking for sws_scale
-- Looking for sws_scale - found
-- Found FFmpeg: /usr/lib/libavutil.so;/usr/lib/libavcodec.so;/usr/lib/libavformat.so;/usr/lib/libswscale.so
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Boost: /usr/include/boost-1_33_1, /usr/lib/libboost_date_time.so;/usr/lib/libboost_filesystem.so;/usr/lib/libboost_iostreams.so;/usr/lib/libboost_prg_exec_monitor.so;/usr/lib/libboost_program_options.so;/usr/lib/libboost_python.so;/usr/lib/libboost_regex.so;/usr/lib/libboost_serialization.so;/usr/lib/libboost_signals.so;/usr/lib/libboost_test_exec_monitor.so;/usr/lib/libboost_thread.so;/usr/lib/libboost_unit_test_framework.so;/usr/lib/libboost_wserialization.so
-- Looking for Q_WS_X11
-- Looking for Q_WS_X11 - found
-- Looking for Q_WS_MAC
-- Looking for Q_WS_MAC - not found.
-- Looking for Q_WS_WIN
-- Looking for Q_WS_WIN - not found.
CMake Error: Could NOT find QtCore. Check /build-wengophone-i586/BUILD/wengophone-2.1.99.2-source/Build/CMakeFiles/CMakeError.log for more details.
-- Configuring done
error: Bad exit status from /var/tmp/rpm-tmp.38310 (%prep)


RPM build errors:
    user arklinux does not exist - using root
    Bad exit status from /var/tmp/rpm-tmp.38310 (%prep)