[Buildroot] [PATCH] gcc: Fix building on ppc64le GCC 8 host
Thomas Petazzoni
thomas.petazzoni at bootlin.com
Tue Jul 31 20:02:32 UTC 2018
Hello,
On Mon, 30 Jul 2018 20:06:30 +0930, Joel Stanley wrote:
> When building on a ppc64le host we see this error:
>
> build/genmatch --gimple ../../gcc/match.pd \
> > tmp-gimple-match.c
> ../../gcc/match.pd:120:1 error: expected (, got NAME
> negative value by 0 gives -0, not +0. */
>
> This was reported upstream[1] and fixed on the GCC 6 [2] and GCC 7 [3]
> branches:
>
> Backport from mainline
> 2018-01-10 Kelvin Nilsen <kelvin at gcc.gnu.org>
>
> * lex.c (search_line_fast): Remove illegal coercion of an
> unaligned pointer value to vector pointer type and replace with
> use of __builtin_vec_vsx_ld () built-in function, which operates
> on unaligned pointer values.
>
> The patches included in Buildroot contain just the code changes, and not
> the changelog, to make it easer to manage backporting.
>
> Tested on Ubuntu Cosmic ppc64le.
>
> [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86162
> [2] https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=261621
> [3] https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=262243
>
> Signed-off-by: Joel Stanley <joel at jms.id.au>
> ---
> .../6.4.0/0002-fix-building-on-ppc64.patch | 38 ++++++++++++++++++
> .../7.3.0/0002-fix-building-on-ppc64.patch | 40 +++++++++++++++++++
> 2 files changed, 78 insertions(+)
> create mode 100644 package/gcc/6.4.0/0002-fix-building-on-ppc64.patch
> create mode 100644 package/gcc/7.3.0/0002-fix-building-on-ppc64.patch
Applied to master, thanks.
Thomas
--
Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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