On Tue, Sep 15, 2020 at 2:42 PM Frank Wunderlich <fran...@public-files.de> wrote: > > Am 15. September 2020 04:56:55 MESZ schrieb Masahiro Yamada > <masahi...@kernel.org>: > >On Tue, Sep 15, 2020 at 2:57 AM Frank Wunderlich > > >> i try to use modules_install target after building kernel with > >KBUILD_OUTPUT set > >> > >> KBUILD_OUTPUT: /media/data_nvme/git/kernel/build #kernel source is in > >/media/data_nvme/git/kernel/BPI-R2-4.14 > >> > >> kernel is build successfully, but i fail on running the make > >modules_install target > >> > >> ERROR: Kernel configuration is invalid. > >> include/generated/autoconf.h or include/config/auto.conf are > >missing. > >> Run 'make oldconfig && make prepare' on kernel src to fix > >it. > >> > >> Makefile:648: include/config/auto.conf: No such file or directory > >> make: *** [Makefile:719: include/config/auto.conf] Error 1 > >> > >> it looks it is ignoring the KBUILD_OUTPUT variable, as both files are > >present > > > > > >KBUILD_OUTPUT is an environment variable. > > > >Did you set (export) it > >before doing 'make modules_install'? > > Yes i exported it before use at beginning of my script [1] and > modules_install used inside install function [2]. It works with > build-function [3]. > As the script is big i linked the relevant parts...i checked KBUILD_OUTPUT at > beginning of install function so i'm sure it was set > > >> $ ls /media/data_nvme/git/kernel/build/include/config/auto.conf > >> /media/data_nvme/git/kernel/build/include/config/auto.conf > >> $ ls /media/data_nvme/git/kernel/build/include/generated/autoconf.h > >> /media/data_nvme/git/kernel/build/include/generated/autoconf.h > > > [1] https://github.com/frank-w/BPI-R2-4.14/blob/5.9-rc/build.sh#L75 > [2] https://github.com/frank-w/BPI-R2-4.14/blob/5.9-rc/build.sh#L368 > [3] https://github.com/frank-w/BPI-R2-4.14/blob/5.9-rc/build.sh#L578 > regards Frank
[3] is unrelated since "#&& make modules_install 2>&3" is commented out. In [1], you export KBUILD_OUTPUT as a normal user, then in [2], you run the commands with 'sudo'. That is why KBUILD_OUTPUT was not passed. -- Best Regards Masahiro Yamada
