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gcc: allow the selection of upstream GCC 7.x for ARC

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Upstream gcc now has support for ARC, as of 7.x, with 7.2 being
usable, so let's allow its selection.

GCC from Synopsys GitHub still has a lot of fixes and improvements
most of which will be a part of the next upstream release but let's
see how it goes and if we see vanilla GCC doesn't require way too many
back-ported patches we'll be able to get rid of Synopsys GitHub here
at all.

As of today the only really required back-port is the one for non-uClibc
libc.

Back-ported from upstream master with help of:
-------------------->8--------------------
git format-patch 927c0132251f -1 -- . ':!gcc/ChangeLog' ':!libgcc/ChangeLog'
-------------------->8--------------------

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Alexey Brodkin 2017-11-10 00:56:48 +03:00 committed by Thomas Petazzoni
parent d42a19990f
commit b09586c4c3
3 changed files with 52 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
package/gcc/7.2.0/0893-ARC-Configure-script-to-allow-non-uclibc-based-tripl.patch Normal file
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@ -0,0 +1,51 @@
From 927c0132251f1cd3452b96ebd75f1b06bc53e4ec Mon Sep 17 00:00:00 2001
From: claziss <claziss@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 10 Jul 2017 13:55:26 +0000
Subject: [PATCH] [ARC] Configure script to allow non uclibc based triplets
gcc/
2017-07-10 Vineet Gupta <vgupta@synopsys.com>
* config.gcc: Remove uclibc from arc target spec.
libgcc/
2017-07-10 Vineet Gupta <vgupta@synopsys.com>
* config.host: Remove uclibc from arc target spec.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@250097 138bc75d-0d04-0410-961f-82ee72b054a4
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
---
gcc/config.gcc | 2 +-
libgcc/config.host | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/gcc/config.gcc b/gcc/config.gcc
index 1b47457..933a451 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1044,7 +1044,7 @@ arc*-*-elf*)
big*) tm_file="arc/big.h ${tm_file}"
esac
;;
-arc*-*-linux-uclibc*)
+arc*-*-linux*)
tm_file="arc/arc-arch.h dbxelf.h elfos.h gnu-user.h linux.h linux-android.h glibc-stdint.h arc/linux.h ${tm_file}"
tmake_file="${tmake_file} arc/t-arc"
extra_gcc_objs="driver-arc.o"
diff --git a/libgcc/config.host b/libgcc/config.host
index 989ac71..a5ab453 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -383,7 +383,7 @@ arc*-*-elf*)
extra_parts="crti.o crtn.o crtend.o crtbegin.o crtendS.o crtbeginS.o"
extra_parts="$extra_parts crttls.o"
;;
-arc*-*-linux-uclibc*)
+arc*-*-linux*)
tmake_file="${tmake_file} t-slibgcc-libgcc t-slibgcc-nolc-override arc/t-arc-uClibc arc/t-arc"
extra_parts="$extra_parts crti.o crtn.o"
extra_parts="$extra_parts crttls.o"
--
2.10.2

1
package/gcc/Config.in.host
View File

@ -58,7 +58,6 @@ config BR2_GCC_VERSION_6_X
config BR2_GCC_VERSION_7_X
bool "gcc 7.x"
# Broken or unsupported architectures
depends on !BR2_arc
depends on !BR2_or1k
select BR2_TOOLCHAIN_GCC_AT_LEAST_7

2
package/gcc/gcc.mk
View File

@ -10,7 +10,7 @@
GCC_VERSION = $(call qstrip,$(BR2_GCC_VERSION))
ifeq ($(BR2_arc),y)
ifeq ($(BR2_GCC_VERSION_ARC),y)
GCC_SITE = $(call github,foss-for-synopsys-dwc-arc-processors,gcc,$(GCC_VERSION))
GCC_SOURCE = gcc-$(GCC_VERSION).tar.gz
else ifeq ($(BR2_or1k),y)