[gentoo-user] Kernel compile error

[Klaus Ethgen <Klaus+gentoo@Ethgen.de>]

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Hi,

I stumbled into the next problem.

I do have a decent kernel compile knowledge but that seems to be gentoo
specific.

I have a old i686 machine where I installed gentoo on. Now when I did
the kernel the first time, it worked well. everything fine exept some
minor stuff (see below).
   --- /etc/kernels/kernel-config-x86-4.9.76-gentoo-r1     2018-04-25 07:48:25.735961235 +0100
   +++ .config     2018-04-25 07:48:25.830960047 +0100
   @@ -480,7 +480,6 @@
    # CONFIG_PHYS_ADDR_T_64BIT is not set
    CONFIG_BOUNCE=y
    CONFIG_VIRT_TO_BUS=y
   -CONFIG_MMU_NOTIFIER=y
    # CONFIG_KSM is not set
    CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
    # CONFIG_TRANSPARENT_HUGEPAGE is not set
   @@ -1528,7 +1527,7 @@
    # CONFIG_DM_THIN_PROVISIONING is not set
    # CONFIG_DM_CACHE is not set
    # CONFIG_DM_ERA is not set
   -# CONFIG_DM_MIRROR is not set
   +CONFIG_DM_MIRROR=m
    # CONFIG_DM_RAID is not set
    # CONFIG_DM_ZERO is not set
    # CONFIG_DM_MULTIPATH is not set
   @@ -1805,8 +1804,8 @@
    #
    CONFIG_INPUT_MOUSEDEV=m
    # CONFIG_INPUT_MOUSEDEV_PSAUX is not set
   -CONFIG_INPUT_MOUSEDEV_SCREEN_X=1600
   -CONFIG_INPUT_MOUSEDEV_SCREEN_Y=1200
   +CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
   +CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
    # CONFIG_INPUT_JOYDEV is not set
    CONFIG_INPUT_EVDEV=y
    # CONFIG_INPUT_EVBUG is not set
   @@ -2463,12 +2462,12 @@
    # CONFIG_AGP_ALI is not set
    # CONFIG_AGP_ATI is not set
    # CONFIG_AGP_AMD is not set
   -# CONFIG_AGP_AMD64 is not set
   +CONFIG_AGP_AMD64=y
    CONFIG_AGP_INTEL=y
    # CONFIG_AGP_NVIDIA is not set
   -# CONFIG_AGP_SIS is not set
   +CONFIG_AGP_SIS=y
    # CONFIG_AGP_SWORKS is not set
   -# CONFIG_AGP_VIA is not set
   +CONFIG_AGP_VIA=y
    # CONFIG_AGP_EFFICEON is not set
    CONFIG_INTEL_GTT=y
    CONFIG_VGA_ARB=y
   @@ -2489,7 +2488,7 @@
    # CONFIG_DRM_I2C_SIL164 is not set
    # CONFIG_DRM_I2C_NXP_TDA998X is not set
    CONFIG_DRM_RADEON=m
   -CONFIG_DRM_RADEON_USERPTR=y
   +# CONFIG_DRM_RADEON_USERPTR is not set
    # CONFIG_DRM_AMDGPU is not set

    #

But now, when I try to compile the kernel, I get the following error:
   ...
   make[2]: *** [scripts/kconfig/Makefile:39: silentoldconfig] Fehler 1
   make[1]: *** [Makefile:541: silentoldconfig] Fehler 2
     SYSTBL  arch/x86/entry/syscalls/../../include/generated/asm/syscalls_32.h
   make: *** Keine Regel vorhanden, um das Ziel »include/config/auto.conf«,
     benötigt von »include/config/kernel.release«, zu erstellen.  Schluss.
   make: *** Es wird auf noch nicht beendete Prozesse gewartet....
     SYSHDR  arch/x86/entry/syscalls/../../include/generated/uapi/asm/unistd_32.h
     SYSHDR  arch/x86/entry/syscalls/../../include/generated/uapi/asm/unistd_64.h
     SYSHDR  arch/x86/entry/syscalls/../../include/generated/uapi/asm/unistd_x32.h
   * Gentoo Linux Genkernel; Version 3.4.52.4
   * Running with options: --btrfs --lvm --menuconfig --kernel-cc=/usr/lib/ccache/bin/gcc all
   * Using genkernel.conf from /etc/genkernel.conf
   * Sourcing arch-specific config.sh from /usr/share/genkernel/arch/x86/config.sh ..
   * Sourcing arch-specific modules_load from /usr/share/genkernel/arch/x86/modules_load ..

   * ERROR: Failed to compile the "prepare" target...
   *
   * -- Grepping log... --
   *
   *
   * -- End log... --
   *
   * Please consult /var/log/genkernel.log for more information and any
   * errors that were reported above.
   *
   * Report any genkernel bugs to bugs.gentoo.org and
   * assign your bug to genkernel@gentoo.org. Please include
   * as much information as you can in your bug report; attaching
   * /var/log/genkernel.log so that your issue can be dealt with effectively.
   *
   * Please do *not* report compilation failures as genkernel bugs!

I even try to compile with exactly the same config that compiled some
days before but got the same error.

The installed kernel sources and genkernel are:
[IP-] [  ] sys-kernel/genkernel-3.4.52.4-r2:0
[IP-] [  ] sys-kernel/gentoo-sources-4.9.76-r1:4.9.76-r1

As the error is completely without a meaning for me, maybe others have
an Idea.

Regards
   Klaus
- -- 
Klaus Ethgen                                       http://www.ethgen.ch/
pub  4096R/4E20AF1C 2011-05-16            Klaus Ethgen <Klaus@Ethgen.ch>
Fingerprint: 85D4 CA42 952C 949B 1753  62B3 79D0 B06F 4E20 AF1C
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