linaro-toolchain

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[ANNOUNCE] Linaro Toolchain Binaries 2011.10 released

by Bernhard Rosenkränzer

The Linaro Toolchain and Builds and Baselines Working Groups are pleased to announce the 2013.10 release of the Linaro Toolchain Binaries, a pre-built version of Linaro GCC and Linaro GDB that runs on generic Linux or Windows and targets the glibc Linaro Evaluation Build. Uses include: * Cross compiling ARM applications from your laptop * Remote debugging * Build the Linux kernel for your board What's included: * Linaro GCC 4.8 2013.10 * Linaro GDB 7.6.1 2013.10 * A statically linked gdbserver * A system root * Manuals under share/doc/ The system root contains the basic header files and libraries to link your programs against. Interesting changes include: * The sample configurations no longer require the LSB tools * The build now works behind a HTTP proxy The Linux version is supported on Ubuntu 10.04.3 and 12.04, Debian 6.0.2, Fedora 16, openSUSE 12.1, Red Hat Enterprise Linux Workstation 5.7 and later, and should run on any Linux Standard Base 3.0 compatible distribution. Please see the README about running on x86_64 hosts. The Windows version is supported on Windows XP Pro SP3, Windows Vista Business SP2, and Windows 7 Pro SP1. The binaries and build scripts are available from: https://releases.linaro.org/13.10/components/toolchain/binaries/ Need help? Ask a question on https://ask.linaro.org/ Already on Launchpad? Submit a bug at https://bugs.launchpad.net/linaro-toolchain-binaries On IRC? See us on #linaro on Freenode. Other ways that you can contact us or get involved are listed at https://wiki.linaro.org/GettingInvolved.

11 years, 10 months

[ACTIVITY] Week 44

by Zhenqiang Chen

== Issues == * None == Progress == * Commit the fix for lp:1243022 on trunk. * Backporting r203603, r204247 and r203267 to Linaro gcc 4.8. * Updating CCMP patch according to comments. * Collect spec2K result for CCMP. - Overall there is no regression and no improvement. - 175.vpr is sensitive to branch cost. Smaller branch cost will lead to regression for it even with CCMP. * Investigate bare metal arm-none-eabi A profile multilib build. - Need fix the conflict with current multilib support for arm-linux-gnueabihf - Need scripts and config update to meet the check of --with-multilib-list=aprofile - A reference build is shared at http://cbuild.validation.linaro.org/snapshots/aprofile-baremetal.tar.bz2 == Plan == * Continue on CCMP. * Update Linaro crosstool-ng for bare metal A profile multilib build.

11 years, 10 months

[ACTIVITY] 21 - 25 October 2013

by Omair Javaid

== Progress == (TCWG-266), (TCWG-270), (TCWG-250), (TCWG-280) and (TCWG-288) * Arm process record: - Created Patches for all fixes and features. - Performed testing in arm native and remote configuration. - Performed regression testing on arm and x86. - Submitted all fixes in three patch series. * Performed GDB testsuite run on arm and x86 to get current status with new patches. There seems to be more test passing on arm than x86 with recent patches. * Prepare for connect and travel to Santa Clara. == Plan == * Linaro Connect US 2013

11 years, 10 months

[Activity] Oct 20-26

by Rob Savoye

== Progress == * Got Odroid XU board stable by using Arch Linux. None of the Ubuntu derived images worked more than barely. Tried a suggested hack to use cpufreq-set -g performance, which allowed a fresh install of saucy to work. Did new builds and test run. * Got remote toolchain testing working on the newly functioning Odroid board(s) and chromebook. Currently baseboard support is in a DejaGnu branch, http://git.savannah.gnu.org/cgit/dejagnu.git/?h=linaro. I'm adding the global site.exp file to Cbuildv2, so 'make check' executes tests via ssh on remote targets. * Uploaded test results of ARM native builds to cbuild.validation.linaro.org for tcwg-web. (look for version gcc-linaro-4.8-2013.10.24) * Added support to DejaGnu to use a custom port for ssh and scp. * Survived learning to use Concur for expense reports. == Plan == * Attend Connect, do presentation, go to others. * Try to work around problem with importing test results. (need to work with LAVA team for this one, will do at Connect) * Copy tarballs to snapshots.linaro.org. (need to work with LAVA team for this one, will do at Connect) == Issues == * I see to be having random stability issues with the two Odroid boards, although did manage to complete a test run of a the execute tests.

11 years, 10 months

[ACTIVITY] Week 43 : Oct 21 - Oct 25

by Ryan Arnold

== Progress == * [PATCH][Cbuildv2/symlinks] lib/fetch.sh: Move tar unpacking to before symlink creation. * cbuild2/glibc branch - Uploaded alpha glibc support in cbuild2 (which required pretty signifcant refactoring). * Improving bounds checking of cbuild2 command line arguments == Issues == * None == Plan == * Harden cbuild2 command line support * Finish documentation/usage for cbuild2 * Integrate glibc enablement into cbuild2 master branch

11 years, 10 months

[ACTIVITY] Week 43

by Will Newton

== Progress == * Ongoing refactoring of malloc to improve performance * Preparation for Connect == Issues == * None == Plan == * Linaro Connect US -- Will Newton Toolchain Working Group, Linaro

11 years, 10 months

[ACTIVITY] Week 43

by Renato Golin

== Progress == * Getting ready for Connect & LLVM US * Stride Vectorization - Added some logic to detect read/write reduction, possibly not the best solution - Consolidating all discussion into a single document for easy referral - Creating several bugs (PR17673,PR17677,PR17678,PR17679,PR17680,PR17681) * Re-Vectorizing - A bug was passing the vectorizer again on an already vectorized loop (PR17662) - http://llvm-reviews.chandlerc.com/D2011, commit r193349 * Odroid XU - Running more stable now, self-hosting doing well (more than a week on 24/7) * Background - Lots of patch reviews - Lots of discussions about stride vectorization and others == Plan == * Connect US next week * US LLVM Dev Meeting the following * Will be back in 2 weeks

11 years, 10 months

[ACTIVITY] Week 43

by Zhenqiang Chen

== Issue == * Can not attend LCU'13 due to slow US Visa process. == Progress == * Investigate lp:1243022: - Root cause: REG_INC note is lost in subreg2 pass, so ira gets wrong result in function validate_equiv_mem. - Work out a patch for community review. * Send conditional compare (CCMP) patch for community review. - Benchmark testing is ongoing. * Investigate heuristics to control ifcombine. Basically it will take branch taken probability, frequency, branch-cost and basic block reorder into account. == Plan == * Performance tuning for CCMP.

11 years, 10 months

[ACTIVITY] Week 42

by Yvan Roux

== Issues == * None. == Progress == * 2013-10 release. - Backports and branch merges reviews. * LRA on AArch32: - Committed patch to enable LRA with the -mlra flag (disabled by default). - Created 2 bugzilla entries for Thumb and address issues. - Thumb issue work still ongoing. * Launchpad bugs: - Cleaned up a couple of them. * Misc: - Internal meetings. == Next == * Short week (2 days off and 1 travelling) * LRA

11 years, 10 months

u-boot build problems VFP vs. soft-float

by Chris Ruehl

Hi, may you think I'm on the wrong list, no not :-) I currently build my u-boot loader using the linaro tool chain 2013.09 and run into a problem with the support for JFFS2 where the linker report VFP usage where u-boot using softfp for build. compiler options: -ffixed-r9 -msoft-float arm-linux-gnueabihf-ld.bfd: error: /opt/armhf/gcc-linaro-arm-linux-gnueabihf-4.8-2013.09_linux/bin/../lib/gcc/arm-linux-gnueabihf/4.8.2/libgcc.a(bpabi.o) uses VFP register arguments, u-boot does not when I use make USE_PRIVATE_LIBGCC=yes the problem shows up at an undefined reference fs/jffs2/libjffs2.o: In function `jffs2_1pass_build_lists': /opt/cross_build/uboot.d/u-boot-git/fs/jffs2/jffs2_1pass.c:1441: undefined reference to `__aeabi_uldivmod' arm-linux-gnueabihf-ld.bfd: BFD (crosstool-NG linaro-1.13.1-4.8-2013.09 - Linaro GCC 2013.09) 2.23.2.20130610 Linaro 2013.06 assertion fail /cbuild/slaves/oorts/crosstool-ng/builds/arm-linux-gnueabihf-linux/.build/src/binutils-linaro-2.23.2-2013.06/bfd/elf32-arm.c:7687 may someone have a closer look into it? thanks Chris

11 years, 10 months

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