Qt 4.5.0 (also fine for Qt 4.5.1)
[pre] Update to Lazarus svn >= 19501 for V1.69
# For Qt4.5.X set USE_QT_45:
Linux: make PREFIX=/usr clean all LCL_PLATFORM=qt OPT="-dUSE_QT_45"
MAC: make clean all LCL_PLATFORM=qt OPT="-dUSE_QT_45 -k'-framework' -k'Qt4Intf' -k'-lobjc' -k'-framework' -k'Foundation'"
# USE_QT_45 is default on platform windows (see qtdefines.inc)
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