--- qt-x11-opensource-src-4.2.2/mkspecs/linux-g++-64/qmake.conf.multilib	2006-11-27 11:26:42.000000000 -0600

+++ qt-x11-opensource-src-4.2.2/mkspecs/linux-g++-64/qmake.conf	2007-02-26 15:01:02.000000000 -0600

@@ -14,6 +14,8 @@

 QMAKE_CFLAGS		= -m64

 QMAKE_LFLAGS		= -m64

+QMAKE_CFLAGS_RELEASE	+= -O2

+

 include(../common/g++.conf)

 include(../common/linux.conf)

--- qt-x11-opensource-src-4.2.2/mkspecs/linux-g++-32/qmake.conf.multilib	2006-11-27 11:26:42.000000000 -0600

+++ qt-x11-opensource-src-4.2.2/mkspecs/linux-g++-32/qmake.conf	2007-02-26 15:01:34.000000000 -0600

@@ -11,6 +11,8 @@

 QMAKE_CFLAGS		= -m32

 QMAKE_LFLAGS		= -m32

+QMAKE_CFLAGS_RELEASE	+= -O2

+

 include(../common/g++.conf)

 include(../common/linux.conf)

 load(qt_config)

--- qt-x11-opensource-src-4.2.2/mkspecs/linux-g++/qmake.conf.multilib	2006-11-27 11:26:42.000000000 -0600

+++ qt-x11-opensource-src-4.2.2/mkspecs/linux-g++/qmake.conf	2007-02-26 15:01:26.000000000 -0600

@@ -8,6 +8,8 @@

 QT			+= core gui

 QMAKE_INCREMENTAL_STYLE = sublib

+QMAKE_CFLAGS_RELEASE	+= -O2

+

 include(../common/g++.conf)

 include(../common/linux.conf)

 load(qt_config)

--- qt-x11-opensource-src-4.2.2/qmake/project.cpp.QMAKEPATH	2006-11-27 11:26:03.000000000 -0600

+++ qt-x11-opensource-src-4.2.2/qmake/project.cpp	2007-02-26 13:45:39.000000000 -0600

@@ -498,6 +498,7 @@

             ret << ((*it) + concat);

     }

     ret << QLibraryInfo::location(QLibraryInfo::DataPath) + concat;

+    ret << QLibraryInfo::location(QLibraryInfo::PrefixPath) + concat;

     return ret;

 }