On Sun, Mar 04, 2018 at 11:21:32AM +0000, Richard Purdie wrote: > From: Juro Bystricky <[email protected]> > > Changed BINV and PV from 6.2.0 to 6.4.0 > Modified BASEURI to load xz tarball instead of bz2 > > Backported series of patches from https://github.com/hjl-tools/gcc.git > branch /hjl/indirect/gcc-6-branch/master which contains > an IA patch series for security related issues > > ubsan-fix-check-empty-string.patch : removed, already applied
Very limited testing with this change in morty shows that raspberrypi3
(cortexa7hf-neon-vfpv4) build of glibc-initial fails with:
configure:5344: checking for broken __attribute__((alias()))
configure:5359: arm-oe-linux-gnueabi-gcc -march=armv7ve -marm
-mfpu=neon-vfpv4 -mfloat-abi=hard -mcpu=cortex-a7
--sysroot=sysroots/raspberrypi3-tcbootstrap
-Werror -S conftest.c -o conftest.s 1>&5
conftest.c:1:0: error: switch -mcpu=cortex-a7 conflicts with
-march=armv7ve switch [-Werror]
extern int foo (int x) __asm ("xyzzy");
cc1: all warnings being treated as errors
configure:5362: $? = 1
configure:5372: result: yes
configure:5375: error: working alias attribute support required
Which is a bit strange as armv7ve was added to resolve this error with
-mcpu=cortexa7 and -march=armv7a in:
commit 35392025f3236f5e5393f9cf0857732da9a2e503
Author: Martin Jansa <[email protected]>
Date: Tue Oct 6 17:08:59 2015 +0200
arch-armv7ve: add tune include for armv7ve and use it from cortexa7
and cortexa15
* be aware that this -march value is available only in gcc-4.9 and
newer:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57907
* -mcpu=cortex15 and -mcpu=cortexa7 conflict with -march=armv7a
We either have to stop putting -march in default CCARGS or at
least set it compatible one like this patch does.
Regards,
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