got lmms-0.4.2. slackbuild and after installing all the dependent packages attempted to create the pkg. ./lmms.SlackBuild fails at;

[ 54%] Building CXX object CMakeFiles/lmms.dir/src/core/track.o
/usr/bin/c++ -DQT_GUI_LIB -DQT_XML_LIB -DQT_CORE_LIB -O2 -g -fno-exceptions -Wall -ftree-vectorize -O2 -march=i486 -mtune=i686 -fPIC -DPIC -I/usr/lib/qt/include -I/usr/lib/qt/include/QtGui -I/usr/lib/qt/include/QtXml -I/usr/lib/qt/include/QtCore -I/tmp/SBo/lmms-0.4.2/build -I/tmp/SBo/lmms-0.4.2/build/include -I/tmp/SBo/lmms-0.4.2 -I/tmp/SBo/lmms-0.4.2/include -I/usr/include/SDL -D'LMMS_VERSION="0.4.2"' -D'QT_TRANSLATIONS_DIR="/usr/lib/qt/translations"' -D'LIB_DIR="/usr/lib/"' -D'PLUGIN_DIR="/usr/lib/lmms/"' -o CMakeFiles/lmms.dir/src/core/track.o -c /tmp/SBo/lmms-0.4.2/src/core/track.cpp
/tmp/SBo/lmms-0.4.2/src/core/track.cpp: In member function 'trackContentObject* track::getTCO(int)':
/tmp/SBo/lmms-0.4.2/src/core/track.cpp:1834: error: 'printf' was not declared in this scope
make[2]: *** [CMakeFiles/lmms.dir/src/core/track.o] Error 1
make[2]: Leaving directory `/tmp/SBo/lmms-0.4.2/build'
make[1]: *** [CMakeFiles/lmms.dir/all] Error 2
make[1]: Leaving directory `/tmp/SBo/lmms-0.4.2/build'
make: *** [all] Error 2

I know Robby Workman looks in here from time to time...any hints?

You need to grab the latest version (0.4.6) it has been fixed to compile under gcc 4.4.

I can confirm that 0.4.6 build without problems

thanks guys, I'll grab that source and roll my own.
Cheers