Compiling, Optimizing

The pcHDTV and MythTV Howto: "If you want to optimize mythTV (The main module) for your system, try changing the QMAKE_CXXFLAGS_RELEASE line in settings.pro to 'QMAKE_CXXFLAGS_RELEASE = -O3 -march=athlon-xp -m3dnow -mmmx -msse -mfpmath=sse -fomit-frame-pointer' or 'QMAKE_CXXFLAGS_RELEASE = -O3 -march=pentium4 -mmmx -msse -mfpmath=sse -fomit-frame-pointer'. Also change the QMAKE_CFLAGS_RELEASE line in libs/libavcodec/libavcodec.pro to 'QMAKE_CFLAGS_RELEASE = $$OPTFLAGS -DPIC -fPIC -march=athlon-xp -m3dnow -mmmx -msse -mfpmath=sse -fomit-frame-pointer -DHAVE_AV_CONFIG_H -I.. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE' or 'QMAKE_CFLAGS_RELEASE = $$OPTFLAGS -DPIC -fPIC -march=pentium4 -mmmx -msse -mfpmath=sse -fomit-frame-pointer -DHAVE_AV_CONFIG_H -I.. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE libs/libavcodec/libavcodec.pro'."