hppa has shipped 64-bit kernels with 32-bit userspace for ages (there is no 64-bit userspace). With genkernel-3 we used the --kernel-cross-compile=... option to build a 64-bit kernel. With genkernel-4 this is not possible since there is only a --cross-compile=... option that controls kernel and userspace. As a result, we can not build ISOs or netboot64 images currently.
To clarify: We really need the possibility to build both kernels. There's no rule like "If it's hppa64, it's always 64bit kernel... if it's hppa, it's always 32bit kernel" or "it's always 64bit kernel, only userspace can be 32bit sometimes"?
> If it's hppa64, it's always 64bit kernel... if it's hppa, it's always 32bit kernel If what is hppa64, exactly? In releng.git/releases/weekly/specs/hppa/netboot2-hppa{32,64}.spec there really isn't anything that differentiates the builds except for the --cross-compile=hppa64-unknown-linux-gnu flag.
Pressed submit too soon. > "it's always 64bit kernel, only userspace can be 32bit sometimes"? That's right. In netboot2-hppa64 the kernel is 64-bit and the userland is 32-bit. In netboot2-hppa32 both are 32-bit.
Any more thoughts on this? Like I mentioned, we cannot build HPPA ISOs or netboot images as a result.
The trick is to only set this: KERNEL_CROSS_COMPILE="hppa64-unknown-linux-gnu" Don't set the unprefixed CROSS_COMPILE.
End user ran into this here: https://forums.gentoo.org/viewtopic-p-8598012.html I noticed that recently more --kernel-* options were added, but I didn't immediately spot them because they weren't added to the longusage(). I pushed two commits to resolve that: https://gitweb.gentoo.org/proj/genkernel.git/commit/?id=0fb54668df8925cd81ed9d40917c19a78891f9da https://gitweb.gentoo.org/proj/genkernel.git/commit/?id=be489a166f78f9cb2e89e8749094a6ddd0310ade I also updated the hppa specs in releng.git to use these options: https://gitweb.gentoo.org/proj/releng.git/commit/?id=41695d87ba25fa3ed9bf7730657e11761906329b https://gitweb.gentoo.org/proj/releng.git/commit/?id=f05a60204a66a9db5370bae1d91845c70d98d356 which works \o/ ... but good grief, we seriously have to pass > --kernel-ar=hppa64-unknown-linux-gnu-ar > --kernel-as=hppa64-unknown-linux-gnu-as > --kernel-cc=hppa64-unknown-linux-gnu-cc > --kernel-ld=hppa64-unknown-linux-gnu-ld > --kernel-nm=hppa64-unknown-linux-gnu-nm > --kernel-objcopy=hppa64-unknown-linux-gnu-objcopy > --kernel-objdump=hppa64-unknown-linux-gnu-objdump > --kernel-ranlib=hppa64-unknown-linux-gnu-ranlib > --kernel-readelf=hppa64-unknown-linux-gnu-readelf > --kernel-strip=hppa64-unknown-linux-gnu-strip when the kernel build system lets you just specify a CHOST prefix? We should really readd --kernel-cross-compile=... to genkernel.
I have opened a genkernel PR for this here: https://github.com/gentoo/genkernel/pull/44 Tested on my hppa box using both genkernel.conf and command line options. This implementation allows explicit --kernel-xxx= options to override --kernel-cross-compile= on the whole.
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/proj/genkernel.git/commit/?id=92427dc0d11b26b03fcfb9c6de7c23fac32c7888 commit 92427dc0d11b26b03fcfb9c6de7c23fac32c7888 Author: Matoro Mahri <matoro@users.noreply.github.com> AuthorDate: 2022-12-21 20:01:26 +0000 Commit: Matt Turner <mattst88@gentoo.org> CommitDate: 2023-01-08 18:57:02 +0000 Reimplement --kernel-cross-compile= for genkernel 4.x This restores the --kernel-cross-compile= option from genkernel 3.x, which controls only the --kernel-xxx= options as opposed to both kernel and userspace options controlled by --cross-compile=. Also adds documentation on the missing options in default genkernel.conf. Bug: https://bugs.gentoo.org/716862 Signed-off-by: Matoro Mahri <matoro@users.noreply.github.com> Signed-off-by: Matt Turner <mattst88@gentoo.org> gen_cmdline.sh | 6 ++++++ gen_determineargs.sh | 23 ++++++++++++----------- genkernel.conf | 25 +++++++++++++++++++++++++ 3 files changed, 43 insertions(+), 11 deletions(-)
commit b134bfb4883f72b633432818ab78662bb26d423f Author: Matt Turner <mattst88@gentoo.org> Date: Sun Jan 8 14:03:44 2023 -0500 sys-kernel/genkernel: Version bump to 4.3.2
