Add example of how to find the prefix
Modified: trunk/reactos/Makefile

Modified: trunk/reactos/Makefile
--- trunk/reactos/Makefile	2005-05-28 19:35:23 UTC (rev 15604)
+++ trunk/reactos/Makefile	2005-05-28 19:38:17 UTC (rev 15605)
@@ -4,7 +4,8 @@
 #        This variable specifies the prefix of the MinGW installation. On Windows
 #        a prefix is usually not needed, but on linux it is usually "mingw32". If
 #        not present and no executable named "gcc" can be found, then the prefix is
-#        assumed to be "mingw32".
+#        assumed to be "mingw32". If your gcc is named i386-mingw32-gcc then set
+#        ROS_PREFIX to i386-mingw32. Don't include the dash (-) before gcc.
 #
 #    ROS_INTERMEDIATE
 #        This variable controls where to put intermediate files. Intermediate