--- qt-all-opensource-src-4.7.4/configure~	2011-09-01 17:08:32.000000000 +0400
+++ qt-all-opensource-src-4.7.4/configure	2011-09-01 17:15:17.000000000 +0400
@@ -7488,7 +7488,7 @@ TARGET_OPERATING_SYSTEM=`echo $XPLATFORM
 if [ "$XPLATFORM_SYMBIAN" = "yes" ]; then
     QT_BUILD_KEY_SYSTEM_PART="Symbian"
 else
-    QT_BUILD_KEY_SYSTEM_PART="$CFG_ARCH $TARGET_OPERATING_SYSTEM $COMPILER"
+    QT_BUILD_KEY_SYSTEM_PART="$TARGET_OPERATING_SYSTEM"
 fi
 
 # when cross-compiling, don't include build-host information (build key is target specific)
@@ -7511,7 +7511,7 @@ fi
 QT_BUILD_KEY_COMPAT=
 if [ "$QT_CROSS_COMPILE" = "no" ]; then
     # previous versions of Qt used a build key built from the uname
-    QT_BUILD_KEY_COMPAT="$CFG_USER_BUILD_KEY $UNAME_MACHINE $UNAME_SYSTEM $COMPILER $BUILD_OPTIONS"
+    QT_BUILD_KEY_COMPAT="$CFG_USER_BUILD_KEY $UNAME_SYSTEM $BUILD_OPTIONS"
     if [ -n "$QT_NAMESPACE" ]; then
         QT_BUILD_KEY_COMPAT="$QT_BUILD_KEY_COMPAT $QT_NAMESPACE"
     fi