On Wed, Sep 14, 2011 at 12:24:14AM -0400, Arnaud Lacombe wrote: > Modify Kbuild to allow direct code re-use in multiple directory > without having to go through a copy. Technically, Kbuild would use by > default the VPATH feature I now found that the patch breaks headers_install and firmware_install when using O= $ mkdir build $ make O=build defconfig ... $ make O=build headers_install CHK include/linux/version.h UPD include/linux/version.h HOSTCC scripts/unifdef make[3]: *** No rule to make target `scripts/headers_install.pl', needed by `/labs/mmarek/linux-2.6/build/usr/include/asm-generic/.install'. Stop. make[2]: *** [asm-generic] Error 2 make[1]: *** [headers_install] Error 2 make: *** [sub-make] Error 2 $ make O=build firmware_install GEN /labs/mmarek/linux-2.6/build/Makefile scripts/kconfig/conf --silentoldconfig Kconfig make[2]: *** No rule to make target `firmware/e100/d101m_ucode.bin', needed by `/lib/firmware/e100/d101m_ucode.bin'. Stop. make[1]: *** [firmware_install] Error 2 make: *** [sub-make] Error 2 Michal -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html