host_tools.patch

Support shadow build of the host tools when the source tree already
contains generated files.

diff --git a/qtbase/configure b/qtbase/configure
index ef7bad1..3bd39ed 100755
--- a/qtbase/configure
+++ b/qtbase/configure
@@ -673,11 +673,11 @@ if [ "$OPT_SHADOW" = "maybe" ]; then
     fi
 fi
 if [ "$OPT_SHADOW" = "yes" ]; then
-    if [ -f "$relpath/.qmake.cache" -o -f "$relpath/src/corelib/global/qconfig.h" -o -f "$relpath/src/corelib/global/qconfig.cpp" ]; then
-        echo >&2 "You cannot make a shadow build from a source tree containing a previous build."
-        echo >&2 "Cannot proceed."
-        exit 1
-    fi
+    #if [ -f "$relpath/.qmake.cache" -o -f "$relpath/src/corelib/global/qconfig.h" -o -f "$relpath/src/corelib/global/qconfig.cpp" ]; then
+        #echo >&2 "You cannot make a shadow build from a source tree containing a previous build."
+        #echo >&2 "Cannot proceed."
+        #exit 1
+    #fi
     [ "$OPT_VERBOSE" = "yes" ] && echo "Performing shadow build..."
 fi
 
