Gentoo-bug: https://bugs.gentoo.org/965843

--- a/m4/ax_have_qt.m4
+++ b/m4/ax_have_qt.m4
@@ -146,7 +146,7 @@
     if test "$ver" = "2.0"; then
       # Add QT_HOST_BINS and QT_HOST_LIBEXECS paths to PATH
       for var in QT_HOST_BINS QT_HOST_LIBEXECS; do
-        PATH=$PATH:`$QTPATHS --query $var`
+        PATH=`$QTPATHS --query $var`:$PATH
       done
     fi