Discussion:
[ANNOUNCE] Linaro GCC 6 and 7 2017.10 source snapshots
Mark Murray
2017-10-17 10:34:09 UTC
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The Linaro Toolchain Working Group (TCWG) is pleased to announce the 2017.10
snapshot of Linaro GCC 6 and 7 source packages.

o The GCC 7 series introduced an ABI change for ARM targets by fixing a bug
(present since GCC 5, see link below) that affects conformance to the
procedure
call standard (AAPCS). The bug affects some C++ code where class objects
are
passed by value to functions and could result in incorrect or inconsistent
code
being generated. If the option -Wpsabi is enabled (on by default) the
compiler
will emit a diagnostic note for code that might be affected by this ABI
change.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77728

For an explanation of the changes please see the following website:

https://gcc.gnu.org/gcc-7/changes.html


o Linaro GCC 7 monthly snapshot[1] is based on FSF GCC 7.2+svn253626 and
includes performance improvements and bug fixes backported from mainline
GCC.
The contents of this snapshot will be part of the 2017.11 stable[2]
quarterly
release.

This snapshot tarball is available on:
http://snapshots.linaro.org/components/toolchain/gcc-linaro/7.2-2017.10/

Interesting changes in this GCC source package snapshot include:

* Updates to GCC 7.2+svn253626


o Linaro GCC 6 monthly snapshot[1] is based on FSF GCC 6.4+svn253668 and
includes performance improvements and bug fixes backported from mainline
GCC.
This snapshot contents will be part of the next maintenance release.

This snapshot tarball is available on:
http://snapshots.linaro.org/components/toolchain/gcc-linaro/6.4-2017.10/

Interesting changes in this GCC source package snapshot include:

* Updates to GCC 6.4+svn253668


o Subscribe to the important Linaro mailing lists and join our IRC channels
to
stay on top of Linaro development.

** Linaro Toolchain Development "mailing list":
http://lists.linaro.org/mailman/listinfo/linaro-toolchain
** Linaro Toolchain IRC channel on irc.freenode.net at @#linaro-tcwg@

* Bug reports should be filed in bugzilla against GCC product:
http://bugs.linaro.org/enter_bug.cgi?product=GCC
* Interested in commercial support? inquire at "Linaro support":
mailto:***@linaro.org

[1]. Source package snapshots are defined when the compiler is only
put through unit-testing and full validation is not performed.

[2]. Stable source package releases are defined as releases where the
full Linaro Toolchain validation plan is executed.

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