[OpenWrt-Devel] [PATCH 1/2 v2] toolchain: add support of ARC architecture

[Alexey Brodkin]

Hi Felix,

On Mon, 2015-11-02 at 19:15 +0100, Felix Fietkau wrote:
> On 2015-11-02 19:05, Alexey Brodkin wrote:
> > This includes binutils, gcc, gdb and uClibc-ng.
> > 
> > Latest release of ARC gcc (as of today it is "arc-2015.06")
> > is based on upstream gcc 4.8.4.
> > 
> > Sources are available on GitHub, see:
> > https://github.com/foss-for-synopsys-dwc-arc-processors/gcc
> > 
> > Latest release of ARC binutils (as of today it is "arc-2015.06")
> > is based on upstream binutils 2.23.
> > 
> > Sources are available on GitHub, see:
> > https://github.com/foss-for-synopsys-dwc-arc-processors/binutils-gdb/releases/tag/arc-2015.06
> > 
> > Latest release of ARC GDB (as of today this is "arc-2015.06-gdb")
> > is based on upstream gdb 7.9.1.
> > 
> > Sources are available on GitHub, see:
> > https://github.com/foss-for-synopsys-dwc-arc-processors/binutils-gdb/releases/tag/arc-2015.06-gdb
> > 
> > Note that for binutils and gdb that come from unified git repository
> > (which is the case for upstream binutils/gdb today) we need to disable
> > building of gdb in binutils and binutils in gdb hence in binutils:
> > ------>8------
> > --disable-sim
> > --disable-gdb
> > ------>8------
> > 
> > and in gdb:
> > ------>8------
> > --disable-binutils
> > --disable-ld
> > --disable-gas
> > ------>8------
> > 
> > Also in gdb we disable sim because if the following breakage while
> > building with it:
> > ------------>8------------
> > /usr/bin/env bash ./../common/genmloop.sh -shell /usr/bin/env bash \
> >         -mono -fast -pbb -switch sem5-switch.c \
> >         -cpu a5f -infile ./mloop5.in \
> >         -outfile-suffix 5
> > unknown option: bash
> > Makefile:699: recipe for target 'stamp-5mloop' failed
> > make[7]: *** [stamp-5mloop] Error 1
> > ------------>8------------
> > 
> > Prerequisites are:
> >  [1] http://patchwork.ozlabs.org/patch/539068/ which bumps uClibc-ng version
> >      from 1.0.6 to 1.0.8
> >  [2] http://patchwork.ozlabs.org/patch/502022 which updates config.guess
> >  and config.sub
> > 
> > Cc: Felix Fietkau <nbd at openwrt.org>
> > Cc: John Crispin <blogic at openwrt.org>
> > Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com>
> This patch will have to be rebased, since I just made some changes to
> get rid of the old uClibc version. I also removed version configuration,
> and the version suffix of the config directory.

Thanks for letting me know.
I'll do this shortly.

In the meantime would be good if people comments on this v2 series so I may do required
changes in v3 as well.

-Alexey
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