On Tuesday 05 June 2007, Vegard Nossum wrote: > > You also need to take some care about the gcc arguments that you pass. > > E.g. passing -DMODULE when building the precompiled header means that > > you can't use that .pch when you build a file where you don't pass > > -DMODULE. > > So does it make sense to build two precompiled headers (one with > CFLAGS_KERNEL, one with CFLAGS_MODULE), and then pass -include > kernel.h.gch and -include module.h.gch for kernel/built-in modules and > loadable modules, respectively? I think I'll try it out and see how it > goes.
Yes, that sounds reasonable. But you should check also the other gcc options, e.g. KBUILD_MODNAME is defined in a different way for every module. Consequently, you must not include any header that uses this symbol when building your .gch files. Arnd <>< ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ kbuild-devel mailing list kbuild-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kbuild-devel