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nameiwillforget
n00b
Joined: 07 May 2024
Posts: 33
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 Posted: Tue Jul 09, 2024 10:15 am Post subject: |
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The script I've been using to chroot is a modified form of that on the wiki:
| Code: |
systemctl start systemd-binfmt
cd /usr/aarch64-unknown-linux-gnu/
mount -t proc none proc
mount -o bind /dev dev
mount -o bind /var/db/repos/gentoo var/db/repos/gentoo
mount -o bind /var/db/repos/crossdev/ var/db/repos/crossdev
mount -o bind /usr/src/linux-6.1.21_p20230405-raspberrypi/ usr/src/linux
mount -o bind /lib/modules lib/modules
mount -o bind /sys sys
cp /etc/resolv.conf etc/resolv.conf
#mount -o bind /tmp tmp
#mount -o bind /dev/pts dev/pts #only for X
chroot . /bin/bash --login
#umount dev/pts
#umount tmp
umount sys
umount lib/modules
umount usr/src/linux
umount var/db/repos/crossdev
umount var/db/repos/gentoo
umount dev
umount proc
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When I run your test command I get
| Code: |
gentoo / # ldd /usr/bin/python
linux-vdso.so.1 (0x0000400000801000)
libc.so.6 => /usr/lib64/libc.so.6 (0x0000400000840000)
/lib/ld-linux-aarch64.so.1 => /lib64/ld-linux-aarch64.so.1 (0x00007f70b3919000)
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The script is binding /dev, /proc etc. to their respective places if that's what you mean. |
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pingtoo
Veteran
Joined: 10 Sep 2021
Posts: 1043
Location: Richmond Hill, Canada
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| Posted: Tue Jul 09, 2024 1:10 pm Post subject: |
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nameiwillforget,
Yes, this is what I was looking for, thank you very much.
small critique about the chroot script. you should use "rbind" instead "bind" for dev and sys because there are sub-mount in those file system that should be carry over to chroot environment. when unmounting at the end use umount -R option to recursive down to sub-mounts.
Since the ldd python given me expected result. I am not sure about those "command not found" error any more.
So in your chroot environment, please verify you have PATH setup correctly And once you verified please test if the system search executable is functional for example if you do "type ldconfig" does it return something meaningful?
I think it may take sometime to understand what is going on. I hope you have time for debugging this. |
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nameiwillforget
n00b
Joined: 07 May 2024
Posts: 33
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| Posted: Tue Jul 09, 2024 1:53 pm Post subject: |
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So the internal PATH is set to
| Code: |
/usr/local/sbin:/usr/local/bin:/usr/bin:/opt/bin:
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and is thus not configured correctly. I considered adding the missing directories in /etc/env.d, but since I can't run env-update internally I wouldn't have a way of actually updating PATH from there. Furthermore,
| Code: |
gentoo /usr/aarch64-unknown-linux-gnu # find /usr/aarch64-unknown-linux-gnu/usr/ -name "*env-update*" -print
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gives nothing. But I get
| Code: |
gentoo /usr/aarch64-unknown-linux-gnu # find /usr/aarch64-unknown-linux-gnu/usr/ -name "*ldconfig*" -print
/usr/aarch64-unknown-linux-gnu/usr/sbin/ldconfig
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So at least ldconfig would be in sbin. "type ldconfig" gives "command not found" but it works if I manually specify PATH beforehand
| Code: |
gentoo / # PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/bin:/usr/lib/llvm/17/bin: type ldconfig
ldconfig is /usr/sbin/ldconfig
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I can do something similar for "gcc-config" with a bit more success than before:
| Code: |
gentoo / # PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/bin:/usr/lib/llvm/17/bin: gcc-config -l;PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/bin:/usr/lib/llvm/17/bin: ldconfig -v;ROOT=/ env-update; source /etc/profile
* Python or Portage seems to be broken, attempting to locate CHOST ourselves ...
* gcc-config: No gcc profile is active!
/usr/bin/gcc-config: line 104: /etc/env.d/gcc/config-aarch64-unknown-linux-gnu: No such file or directory
/usr/sbin/ldconfig: Path `/lib' given more than once
(from <builtin>:0 and /etc/ld.so.conf:6)
/usr/sbin/ldconfig: Path `/lib64' given more than once
(from <builtin>:0 and /etc/ld.so.conf:4)
/usr/sbin/ldconfig: Can't stat /libilp32: No such file or directory
/usr/sbin/ldconfig: Path `/usr/lib' given more than once
(from <builtin>:0 and /etc/ld.so.conf:6)
/usr/sbin/ldconfig: Path `/usr/lib64' given more than once
(from <builtin>:0 and /etc/ld.so.conf:4)
/usr/sbin/ldconfig: Can't stat /usr/libilp32: No such file or directory
/usr/lib64: (from /etc/ld.so.conf:4)
libsframe.so.1 -> libsframe.so.1.0.0
libbfd-2.42.0.gentoo-sys-libs-binutils-libs-st-def.so -> libbfd.so
libctf-2.42.0.gentoo-sys-libs-binutils-libs-st-def.so -> libctf.so
libopcodes-2.42.0.gentoo-sys-libs-binutils-libs-st-def.so -> libopcodes.so
libctf-nobfd-2.42.0.gentoo-sys-libs-binutils-libs-st-def.so -> libctf-nobfd.so
libgnutls.so.30 -> libgnutls.so.30.40.0
libgnutlsxx.so.30 -> libgnutlsxx.so.30.0.0
libgnutls-openssl.so.27 -> libgnutls-openssl.so.27.0.2
libsandbox.so -> libsandbox.so
libgdbm.so.6 -> libgdbm.so.6.0.0
libgdbm_compat.so.4 -> libgdbm_compat.so.4.0.0
libperl.so.5.40.0 -> libperl.so.5.40.0
libelf.so.1 -> libelf-0.191.so
libdw.so.1 -> libdw-0.191.so
libasm.so.1 -> libasm-0.191.so
libfreetype.so.6 -> libfreetype.so.6.20.1
libmagic.so.1 -> libmagic.so.1.0.0
libpcre2-8.so.0 -> libpcre2-8.so.0.13.0
libpcre2-16.so.0 -> libpcre2-16.so.0.13.0
libpcre2-32.so.0 -> libpcre2-32.so.0.13.0
libpcre2-posix.so.3 -> libpcre2-posix.so.3.0.5
libbz2.so.1 -> libbz2.so.1.0.8
libcrypt.so.1 -> libowcrypt.so.1
libcrypt.so.2 -> libowcrypt.so
libXdmcp.so.6 -> libXdmcp.so.6.0.0
libICE.so.6 -> libICE.so.6.3.0
libgcrypt.so.20 -> libgcrypt.so.20.5.0
libpsl.so.5 -> libpsl.so.5.3.5
libip4tc.so.2 -> libip4tc.so.2.0.0
libip6tc.so.2 -> libip6tc.so.2.0.0
libxtables.so.12 -> libxtables.so.12.7.0
libmpc.so.3 -> libmpc.so.3.3.1
libkmod.so.2 -> libkmod.so.2.4.2
libsqlite3.so.0 -> libsqlite3.so.0.8.6
libBrokenLocale.so.1 -> libBrokenLocale.so.1
libm.so.6 -> libm.so.6
libdl.so.2 -> libdl.so.2
libpthread.so.0 -> libpthread.so.0
librt.so.1 -> librt.so.1
libmemusage.so -> libmemusage.so
libc_malloc_debug.so.0 -> libc_malloc_debug.so.0
libc.so.6 -> libc.so.6
libpcprofile.so -> libpcprofile.so
libmvec.so.1 -> libmvec.so.1
libthread_db.so.1 -> libthread_db.so.1
libresolv.so.2 -> libresolv.so.2
libnss_dns.so.2 -> libnss_dns.so.2
libanl.so.1 -> libanl.so.1
libnss_files.so.2 -> libnss_files.so.2
libnss_compat.so.2 -> libnss_compat.so.2
libnss_db.so.2 -> libnss_db.so.2
libnss_hesiod.so.2 -> libnss_hesiod.so.2
libnsl.so.1 -> libnsl.so.1
libutil.so.1 -> libutil.so.1
ld-linux-aarch64.so.1 -> ld-linux-aarch64.so.1
libhogweed.so.6 -> libhogweed.so.6.9
libnettle.so.8 -> libnettle.so.8.9
libmtdev.so.1 -> libmtdev.so.1.0.0
libevdev.so.2 -> libevdev.so.2.3.0
libxshmfence.so.1 -> libxshmfence.so.1.0.0
libksba.so.8 -> libksba.so.8.14.7
libpipeline.so.1 -> libpipeline.so.1.5.7
libXau.so.6 -> libXau.so.6.0.0
libtiff.so.6 -> libtiff.so.6.0.2
libtiffxx.so.6 -> libtiffxx.so.6.0.2
libmpfr.so.6 -> libmpfr.so.6.2.1
libassuan.so.9 -> libassuan.so.9.0.0
libfribidi.so.0 -> libfribidi.so.0.4.0
libseccomp.so.2 -> libseccomp.so.2.5.5
libidn2.so.0 -> libidn2.so.0.4.0
libicuuc.so.74 -> libicuuc.so.74.2
libicui18n.so.74 -> libicui18n.so.74.2
libicuio.so.74 -> libicuio.so.74.2
libicutu.so.74 -> libicutu.so.74.2
libicutest.so.74 -> libicutest.so.74.2
libicudata.so.74 -> libicudata.so.74.2
libpng16.so.16 -> libpng16.so.16.43.0
libacl.so.1 -> libacl.so.1.1.2302
libzstd.so.1 -> libzstd.so.1.5.6
libhistory.so.8 -> libhistory.so.8.2
libreadline.so.8 -> libreadline.so.8.2
libcrypto.so.3 -> libcrypto.so.3
libssl.so.3 -> libssl.so.3
libgraphite2.so.3 -> libgraphite2.so.3.2.1
libpixman-1.so.0 -> libpixman-1.so.0.43.4
libdouble-conversion.so.3 -> libdouble-conversion.so.3.3.0
libnpth.so.0 -> libnpth.so.0.2.0
libpopt.so.0 -> libpopt.so.0.0.2
liblz4.so.1 -> liblz4.so.1.9.4
libtasn1.so.6 -> libtasn1.so.6.6.3
libunistring.so.5 -> libunistring.so.5.1.0
liblzma.so.5 -> liblzma.so.5.6.2
libjpeg.so.62 -> libjpeg.so.62.4.0
libturbojpeg.so.0 -> libturbojpeg.so.0.3.0
libgmp.so.10 -> libgmp.so.10.5.0
libgmpxx.so.4 -> libgmpxx.so.4.7.0
libexpat.so.1 -> libexpat.so.1.9.2
libexpatw.so.1 -> libexpatw.so.1.9.2
libgpg-error.so.0 -> libgpg-error.so.0.37.0
libattr.so.1 -> libattr.so.1.1.2502
libz.so.1 -> libz.so.1.3.1
libpkgconf.so.5 -> libpkgconf.so.5.0.0
liblzo2.so.2 -> liblzo2.so.2.0.0
libcares.so.2 -> libcares.so.2.16.0
libpaper.so.2 -> libpaper.so.2.1.3
libmnl.so.0 -> libmnl.so.0.2.0
libmpdec.so.4 -> libmpdec.so.4.0.0
libduktape.so.207 -> libduktape.so.207.20700
libduktaped.so.207 -> libduktaped.so.207.20700
libffi.so.8 -> libffi.so.8.1.4
libtinfo.so.6 -> libtinfo.so.6.4
libncurses.so.6 -> libncurses.so.6.4
libpanel.so.6 -> libpanel.so.6.4
libmenu.so.6 -> libmenu.so.6.4
libform.so.6 -> libform.so.6.4
libncurses++.so.6 -> libncurses++.so.6.4
libtinfow.so.6 -> libtinfow.so.6.4
libncursesw.so.6 -> libncursesw.so.6.4
libpanelw.so.6 -> libpanelw.so.6.4
libmenuw.so.6 -> libmenuw.so.6.4
libformw.so.6 -> libformw.so.6.4
libncurses++w.so.6 -> libncurses++w.so.6.4
libtinfot.so.6 -> libtinfot.so.6.4
libncursest.so.6 -> libncursest.so.6.4
libpanelt.so.6 -> libpanelt.so.6.4
libmenut.so.6 -> libmenut.so.6.4
libformt.so.6 -> libformt.so.6.4
libncurses++t.so.6 -> libncurses++t.so.6.4
libtinfotw.so.6 -> libtinfotw.so.6.4
libncursestw.so.6 -> libncursestw.so.6.4
libpaneltw.so.6 -> libpaneltw.so.6.4
libmenutw.so.6 -> libmenutw.so.6.4
libformtw.so.6 -> libformtw.so.6.4
libncurses++tw.so.6 -> libncurses++tw.so.6.4
/usr/local/lib64: (from /etc/ld.so.conf:5)
/usr/lib: (from /etc/ld.so.conf:6)
/usr/local/lib: (from /etc/ld.so.conf:7)
bash: env-update: command not found
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pingtoo
Veteran
Joined: 10 Sep 2021
Posts: 1043
Location: Richmond Hill, Canada
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| Posted: Tue Jul 09, 2024 2:59 pm Post subject: |
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nameiwillforget,
I feel I lost focus (or at least got idea wrong) on what to do. I think it may have to do with the whole thing was going for long time with different issues so I went to wrong direction and forgot about the original goal.
So let's get in sync on what to target 
I go back to the first post of this thread and found that you start of by trying to setup QEMU for arm (the 32bits) and doing crossdev together, this is OK. but I think I got confused because the crossdev side create issues that reference to ARM64 (aarch64) so I went focus on the building process as opposite to getting system setup.
Can you help me get back to focus on what is current state?- Do you have QEMU support for ARM64(aarch64) build ready?
- Do you just want a ARM(32bits) environment?
- I just want to be sure, your chroot environment is /usr/aarch64-unknown-linux-gnu right?
- What is your chroot environment current portage profile? is it point to embedded?
- What is your final target profile for your target system?
- Did you modified /usr/aarch64-unknown-linux-gnu/etc/ld.so.conf or ld.so.conf.d/*
- Finally what is your goal of do this?
- Are you trying to learn the process?
- Are you want to have distcc helper for your target system?
- something else?
- all of above?
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nameiwillforget
n00b
Joined: 07 May 2024
Posts: 33
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| Posted: Tue Jul 09, 2024 6:09 pm Post subject: |
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Pingtoo,
Yes, I think so. I have an aarch64 system for my Raspberry Pi on an SD card and can chroot into that system and use portage there and everything works.
No, I don't want an ARM environment.
Yes, this is the location of the aarch64-system I'm trying to build.
I haven't set the profile within the environment yet as it wasn't in the wiki instructions. If I'm asking for a profile, I get an error:
| Code: |
gentoo / # eselect profile show
Current /etc/portage/make.profile symlink:
!!! Error: get_repos failed
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The profile of the target system set from outside is
| Code: |
gentoo /home/alex # PORTAGE_CONFIGROOT=/usr/aarch64-unknown-linux-gnu/ eselect profile show
Current /usr/aarch64-unknown-linux-gnu/etc/portage/make.profile symlink:
default/linux/arm64/23.0/desktop/systemd
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I have not modified either of these files
My goal is to set up an aarch64-environment so I can cross-compile packages there that I can then copy to my Raspberry Pi4. It is also good if I can learn something in the process, but my main motivation is so I don't have to take the SD-card out of my Pi or use its hardware to install or upgrade packages on it. |
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pingtoo
Veteran
Joined: 10 Sep 2021
Posts: 1043
Location: Richmond Hill, Canada
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| Posted: Tue Jul 09, 2024 7:31 pm Post subject: |
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| nameiwillforget wrote: | | My goal is to set up an aarch64-environment so I can cross-compile packages there that I can then copy to my Raspberry Pi4. It is also good if I can learn something in the process, but my main motivation is so I don't have to take the SD-card out of my Pi or use its hardware to install or upgrade packages on it. |
Thank you for sharing for my questions!
In this case may I suggest we drop the crossdev issue and only focus on setup a environment on you X86 host?
There are performance disadvantage drop crossdev, but may be we can go back to crossdev later once we have a working environment.
I suggest setup a chroot environment base on existing Gentoo aarch64 stage3.
Then setup QEMU aarch64 as you have already.
Now you can try to build packages in aarch64 chroot. setup a binhost and setup your RPI4 to get binary packages from your binhist.
Does this idea sound good?
If you agree I can later share some idea on setup, we can work together to get a solution. |
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nameiwillforget
n00b
Joined: 07 May 2024
Posts: 33
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| Posted: Wed Jul 10, 2024 9:33 am Post subject: |
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pingtoo,
yes, that sounds good. But you'll have to guide me through that because I don't really know what to do. |
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pingtoo
Veteran
Joined: 10 Sep 2021
Posts: 1043
Location: Richmond Hill, Canada
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| Posted: Wed Jul 10, 2024 6:18 pm Post subject: |
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| nameiwillforget wrote: | pingtoo,
yes, that sounds good. But you'll have to guide me through that because I don't really know what to do. |
I need a little of time, I mess up my lab now. need to repair it, so I can test my procedure.
will get back to you as soon as I can. |
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pingtoo
Veteran
Joined: 10 Sep 2021
Posts: 1043
Location: Richmond Hill, Canada
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| Posted: Thu Jul 11, 2024 10:52 pm Post subject: |
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nameiwillforget,
I hope this still in time for you to use. If you already got something working, then this is just for your information.
* * *
Please note this is not complete tested. especially those at bottom that did cross compiler build stuff in to chroot.
* * *
| Code: | # Make sure having correct time and timezone
export TZ=EST5EDT
# Set CHROOT to where you want your Gentoo stage3 store.
export CHROOT=/chroot
# Change to your ARM64 stage3 archive.
export STAGE3=https://distfiles.gentoo.org/releases/arm64/autobuilds/20240707T225101Z/stage3-arm64-systemd-20240707T225101Z.tar.xz
# Change the chroot store. Can be a anywhere you like, just make sure there is enough space
mkdir $CHROOT
# Switch to chroot store and prepare load Gentoo stage3 archinve
pushd $CHROOT
# Download and un-archive Gentoo stage3 into CURRENT DIR (the chroot store)
wget -O - $STAGE3 | tar xJpvf - --xattrs-include='*.*' --numeric-owner
# Copy the static qemu user arm64 binary to where your binfmt setup
# see /proc/sys/fs/binfmt_misc/qemu-aarch64
install -o root -g root -m 755 -D /usr/bin/qemu-aarch64 $CHROOT/usr/bin/qemu-aarch64
popd
#
# Mount Gentoo standard pseudo filesystems
#
mount --bind /proc $CHROOT/proc
mount --rbind /sys $CHROOT/sys
mount --rbind /dev $CHROOT/dev
mount -t tmpfs tmpfs $CHROOT/run
#
# Share host Gentoo Portage setup
#
mkdir $CHROOT/var/db/repos/gentoo
mount --bind /var/db/repos/gentoo $CHROOT/var/db/repos/gentoo
mount --bind /var/cache/distfiles $CHROOT/var/cache/distfiles
# Mount your emerge binary packages into HOST somewhere for easy access
# This is optional
#mount --bind $HOME/binpkgs $CHROOT/var/cache/binpkgs
cp -p /etc/resolv.conf $CHROOT/etc/resolv.conf
PORTAGE_CONFIGROOT=$CHROOT eselect profile list
# uncomment following to set your profile inside the chroot
#PORTAGE_CONFIGROOT=$CHROOT eselect profile set XX
#
# Setup /etc/portage/make.conf
#
cat >$CHROOT/etc/portage/make.conf<<_EOF
CFLAGS="-mtune=cortex-a72 -march=armv8-a+crc -O2 -pipe"
CXXFLAGS="\${CFLAGS}"
FCFLAGS="\${CFLAGS}"
FFLAGS="\${CFLAGS}"
FEATURES="distcc parallel-fetch parallel-install -userpriv -usersandbox -network-sandbox -pid-sandbox buildpkg binpkg-multi-instance pkgdir-index-trusted"
VIDEO_CARDS="vc4 v3d"
INPUT_DEVICES="libinput"
CHOST="aarch64-unknown-linux-gnu"
EMERGE_DEFAULT_OPTS='-j4 -l4.1 --usepkg=y --keep-going'
CPU_FLAGS_ARM="edsp neon thumb vfp vfpv3 vfpv4 vfp-d32 crc32 v4 v5 v6 v7 v8 thumb2"
_EOF
#
# Testing crossdev compile. Never tried. so becareful
#
# Change crossdev setting
PORTAGE_CONFIGROOT=/usr/aarch64-unknown-linux-gnu eselect profile list
# uncomment following to set your profile inside the chroot
#PORTAGE_CONFIGROOT=/usr/aarch64-unknown-linux-gnu eselect profile set XX
#
# copy above example make.conf to crossdev's etc/portage/make.conf
#
cp -p $CHROOT/etc/portage/make.conf /usr/aarch64-unknown-linux-gnu/etc/portage/make.conf
echo CBUILD=x86_64-pc-linux-gnu >> /usr/aarch64-unknown-linux-gnu/etc/portage/make.conf
#
# Now try emerge to see if everything looks OK :-)
#
PORTAGE_CONFIGROOT=$CHROOT emerge-aarch64-unknown-linux-gnu --sysroot=$CHROOT --root=/$CHROOT -1pv sys-kernel/linux-headers virtual/os-headers
#
# Before Do any emerge besure your PKGDIR in your chroot is setup correct,
# The example make.conf above will build binary packages automativally, so make
# sure it is point to where you want, don't mix into your host binary packages
# directory
#
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nameiwillforget
n00b
Joined: 07 May 2024
Posts: 33
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| Posted: Mon Jul 15, 2024 6:01 pm Post subject: |
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Pingtoo,
Thanks, I'll try it out soon, maybe tomorrow! |
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Portage & Programming
