http://pastebin.com/PSKbGhd5
kerberizer's solution (the maintainer of the AUR package) is to build in a clean chroot.
kerberizer commented on 2016-05-30 14:25
@LinguinePenguiny, do you build in a clean chroot? I did some
additional testing on my own desktop system (which, BTW, happens to also
be an FX-8350), but I couldn't reproduce the problem, I'm afraid. For
me, the testing succeeds even when using makepkg outside of a clean
chroot. However, each system setup can be specific enough to cause
unique problems, which is why I always recommend building in a clean
chroot.
Just in case someone finds this information helpful, here are some example commands how to build in a clean chroot. I still advise consulting the Arch Wiki though.[1] The example (it's actually a crude excerpt from the build script that I use for the binary repo) is meant to allow building lib32-llvm-svn too, hence why gcc-multilib is used. It takes advantage of multiple cores when building and compressing (the example here is tailored to an 8-core/threads system). The user's ccache cache is utilised as well, so frequent rebuilds can be much faster. If you don't sign your packages, omit the lines mentioning PACKAGER and GPGKEY, otherwise they need to be set correctly. The chroot ("${x86_64_chroot}") is best set up in /tmp, but this requires a lot of RAM (most likely at least 32 GB, since /tmp is by default half the size of the physical RAM detected); second best solution is on an SSD. The latter goes for ~/.ccache as well.
$ cd /path/to/where/llvm-svn/is/cloned
$ x86_64_chroot="/chroot/x86_64"
$ sudo mkdir -p "${x86_64_chroot}/root" (Not Needed. mkarchroot below will create it)
$ sudo /usr/bin/mkarchroot \
-C /usr/share/devtools/pacman-multilib.conf \
-M /usr/share/devtools/makepkg-x86_64.conf \
-c /var/cache/pacman/pkg \
"${x86_64_chroot}/root" \
base-devel ccache
$ sudo /usr/bin/arch-nspawn "${x86_64_chroot}/root" /bin/bash -c "yes | pacman -Sy gcc-multilib"
$ sudo /usr/bin/arch-nspawn "${x86_64_chroot}/root" /bin/bash -c \
"echo -e \"CCACHE_DIR='/.ccache'\nXZ_DEFAULTS='--threads=6'\" >>/etc/environment ; \
sed \
-e 's/^#MAKEFLAGS=.*$/MAKEFLAGS=\"-j9\"/' \
-e '/^BUILDENV=/s/\!ccache/ccache/' \
-e 's/^#PACKAGER=.*$/PACKAGER=\"Some One\"/' \
-e 's/^#GPGKEY=.*$/GPGKEY=\"0x0000000000000000\"/' \
-i /etc/makepkg.conf"
Just in case someone finds this information helpful, here are some example commands how to build in a clean chroot. I still advise consulting the Arch Wiki though.[1] The example (it's actually a crude excerpt from the build script that I use for the binary repo) is meant to allow building lib32-llvm-svn too, hence why gcc-multilib is used. It takes advantage of multiple cores when building and compressing (the example here is tailored to an 8-core/threads system). The user's ccache cache is utilised as well, so frequent rebuilds can be much faster. If you don't sign your packages, omit the lines mentioning PACKAGER and GPGKEY, otherwise they need to be set correctly. The chroot ("${x86_64_chroot}") is best set up in /tmp, but this requires a lot of RAM (most likely at least 32 GB, since /tmp is by default half the size of the physical RAM detected); second best solution is on an SSD. The latter goes for ~/.ccache as well.
$ cd /path/to/where/llvm-svn/is/cloned
$ x86_64_chroot="/chroot/x86_64"
$ sudo mkdir -p "${x86_64_chroot}/root" (Not Needed. mkarchroot below will create it)
$ sudo /usr/bin/mkarchroot \
-C /usr/share/devtools/pacman-multilib.conf \
-M /usr/share/devtools/makepkg-x86_64.conf \
-c /var/cache/pacman/pkg \
"${x86_64_chroot}/root" \
base-devel ccache
$ sudo /usr/bin/arch-nspawn "${x86_64_chroot}/root" /bin/bash -c "yes | pacman -Sy gcc-multilib"
$ sudo /usr/bin/arch-nspawn "${x86_64_chroot}/root" /bin/bash -c \
"echo -e \"CCACHE_DIR='/.ccache'\nXZ_DEFAULTS='--threads=6'\" >>/etc/environment ; \
sed \
-e 's/^#MAKEFLAGS=.*$/MAKEFLAGS=\"-j9\"/' \
-e '/^BUILDENV=/s/\!ccache/ccache/' \
-e 's/^#PACKAGER=.*$/PACKAGER=\"Some One
-e 's/^#GPGKEY=.*$/GPGKEY=\"0x0000000000000000\"/' \
-i /etc/makepkg.conf"
# pacman -S ccache (If not installed)
$ mkdir ~/.ccache
$ sudo /usr/bin/makechrootpkg -c -d ~/.ccache:/.ccache -r "${x86_64_chroot}"
It's advisable to always start this from scratch, i.e. don't reuse the old chroot, but create it anew for each build (it uses the local pacman cache, so doesn't waste bandwidth, and if located in /tmp or on an SSD, is pretty fast).
----
1. https://wiki.archlinux.org/index.php/DeveloperWiki:Building_in_a_Clean_Chroot
# pacman -U *.pkg.tar.xz
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