gcc: Use upstream GCC 7.2 for ARC
PATCH 1/1 gcc: Use upstream GCC 7.2 for ARC
It turned out with vanilla upstream GCC 7.2 stuff could be built for ARC, what's more we may even build Linux kernel with rootfs and get it all running perfectly fine so why not use that?
Essentially GCC from SNPS 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 SNPS 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--------------------
--- ...re-script-to-allow-non-uclibc-based-tripl.patch | 51 ++++++++++++++++++++++ package/gcc/Config.in.host | 1 - package/gcc/gcc.mk | 2 +- 3 files changed, 52 insertions(+), 2 deletions(-) create mode 100644 package/gcc/7.2.0/0001-ARC-Configure-script-to-allow-non-uclibc-based-tripl.patch
package/gcc/7.2.0/0001-ARC-Configure-script-to-allow-non-uclibc-based-tripl.patch new file +51 -0
@@ -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 <[email protected]> + + * config.gcc: Remove uclibc from arc target spec. + +libgcc/ +2017-07-10 Vineet Gupta <[email protected]> + + * config.host: Remove uclibc from arc target spec. + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk at 250097 138bc75d-0d04-0410-961f-82ee72b054a4 +Signed-off-by: Alexey Brodkin <[email protected]> +--- + 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 +
package/gcc/Config.in.host +0 -1
@@ -69,7 +69,6 @@ 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
package/gcc/gcc.mk +1 -1
@@ -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)
Signature · 1 line
2.10.2
Thomas Petazzoni
AppliedPATCH 1/1 gcc: Use upstream GCC 7.2 for ARC
Hello,
Quoted 9 lines · Alexey Brodkin
It turned out with vanilla upstream GCC 7.2 stuff could be built for ARC, what's more we may even build Linux kernel with rootfs and get it all running perfectly fine so why not use that?
Essentially GCC from SNPS 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 SNPS GitHub here at all.
Quoted 7 lines
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-patch927c0132251f-1 -- . ':!gcc/ChangeLog' ':!libgcc/ChangeLog' -------------------->8--------------------
Applied to next after tweaking the commit log and commit title. Thanks!
Thomas
Signature · 3 lines
Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com