On Jan 4, 2010, at 11:09 AM, Paul Floyd wrote: > Qt 4.1.4, GCC 3.4.3 22.6 sec > Qt 4.6.0, GCC 4.0.2 33.7 sec Were these release or debug builds? -- Brad Howes Group 42 MIT Lincoln Laboratory • 244 Wood St. • Lexington, MA 02173 Phone: 781.981.5292 • Fax: 781.981.3495 • Secretary: 781.981.7420