--- a/common/autoconf/basics_windows.m4	Tue Nov 24 11:25:16 2015 +0100
+++ b/common/autoconf/basics_windows.m4	Tue Nov 24 15:36:32 2015 +0100
@@ -423,7 +423,10 @@
       AC_MSG_ERROR([fixpath did not work!])
     fi
     AC_MSG_RESULT([yes])
+
+    FIXPATH_DETACH_FLAG="--detach"
   fi
 
   AC_SUBST(FIXPATH)
+  AC_SUBST(FIXPATH_DETACH_FLAG)
 ])