ARM in Debian
and
Debian in ARM
- Debian itself
- Ports
- arm64 bootstrap
- Cross-compilers
- Usage in arm
- Contributing
- Old
- Free Software - OSD
- 1000 developers
- 20,000 source packages
- 14+8 architectures
- Buildds, porterboxes
- Snapshot, Backports, Sources
- PTS, BTS, UDD, Alioth, git, wiki
- Teams: FTPmaster, Release, DSA, Porters, ...
- Debconf
- Independent
- Community
- Ecosystem Root - 300 derived distros
- Do-ocracy
- Rigour
Knoppix, Ubuntu, GRML, Mint, Linspire, Mepis, Doudou, Xandros, etc
Debian-arm is us
Ports
| arm | OABI | v3 | 2000: Potato (discontinued 2011) |
| armeb | OABI | v3 | 2006: unofficial |
| armel | EABI | v4t | 2009: Lenny |
| armhf | EABI | v7 | 2012: Wheezy |
| arm64 | v8 | v8 | 2014: Jessie |
| Raspbian | EABI, | v6 | 2012: Wheezy rebuild |
Bootstrapping
Bootstrapping is normal. 25 ports in 22 years
i386, 68000, Alpha, Sparc, PowerPC, ARM, IA64, PA-RISC, MIPS (big endian), MIPS (little endian), S/390, AMD64, FreeBSD-i386, FreeBSD-amd64, armel, armhf, sh4, s390x, PowerPC64, Hurd-i386, x32, arm64, mips64el, ppc64el, or1k
- Circular Dependencies
- Build Profiles
Circular Dependencies
Debian Sid bootstrap size
| Source | Binary | |
| Base system | 65 | 116 |
| +build-essential | 69 | 128 |
| Sources including build-deps | 119 | 503 |
| Main SCC | 383 | 2500 |
| Everything | 11051 | 22308 |
First Bootstrap - Internal (2011)
- Ubuntu Maverick
- xdeb + staging, equivs, bodgery
- LAMP stack
- No upstreaming
- Good use of community tools
- Failure to give back
2nd (Ubuntu) Bootstrap (Q4 2012)
- 1st self-boostrap, cross, Quantal, then Raring
- Public from start, upstream as we go
- Started Oct 2012
- Multiarch, cross, build-profiles
- Debootstrappable Feb 2013
- Canonical continued from June
- 2/3rds built by Saucy
3rd,4th,5th (Debian) Bootstrap (Oct 2013-now)
- Native bootstrap using Saucy chroot
- 'Fast' model
- Qemu Nov 2013, Linaro APMs off-limits
- Debootstrap clean Debian rootfs
- 350 source, 2100 binary
- Chinese APMs, March 2014
- Debian ports rebuild, native hardware, SCC completed
- Offical rebuild, native hardware
- 540 bugs: 401 fixed, 139 pending, ~200 unfiled
Arm64 Port
- 2 Juno buildds, started 15th Aug 2014
- Debootstrappable unstable
- 2 months till freeze
- +2 Linaro Mustang builds
Arm64 Port Status
- Sufficient buildd power
- 92% of archive built
- 1 Mustang porterbox
- Testing debootstrappable yesterday
https://wiki.debian.org/Arm64Port
Arm64 Buildd
Packaged Cross Toolchains
- Emdebian 2005
- Buildcross (experimental) 2008?
- Linaro packaging 2010 -> Ubuntu
- Multiarch, inside and out
- GSOC 2012 Thibaut Girka multiarch builds
- Debconf13: Bare-metal toolchain
- secretsauce.net 2014
- sbuild support, at debconf
- dpkg --target-arch change
- In archive now
- More at miniconf...
Build Profiles
- Working in Jessie!
- dpkg
- sbuild
- apt
- debhelper
- lintian
- dose3
- libconfig-model-dpkg-perl
Bits and Bobs
- popcon reports architecture
- Debian clang rebuilds
- Debile simple buildd
- GCC got dpkg-vendor defaults (for Raspbian)
- Multiarch crossbuilding: libtool, perl, flex
Usage in ARM
- Laptops
- Desktops
- Devboards
But mostly Ubuntu
- IT support
- Linaro images
- Fast Models
- DS-5 on Ubuntu
Contribute
- Install how-can-i-help
- https://wiki.debian.org/how-can-i-help
- Report Bugs
- Fix Bugs: 411 FTBFS on arm64
- Help maintain stuff
- Permission from Philippe
- Just get stuck in!
UK Miniconf, 6th-9th Nov
https://wiki.debconf.org/wiki/Miniconf-UK/2014