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toolchain/gcc: Backport patch to fix unconditional MULTIARCH_DIRNAME

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This backports the patch for GCC PR target/89587 (gcc's rs6000
configuration unconditionally sets MULTIARCH_DIRNAME, even when
multiarch is disabled).

This currently affects apm821xx and may cause issues when
cross-compiling packages, e.g. Python 3[1].

This includes patches for GCC 8 (with the changelog diff removed);
this change is already included in GCC 9.2 and 7.5.

[1]: https://github.com/openwrt/packages/issues/10552

Signed-off-by: Jeffery To <jeffery.to@gmail.com>
[Removed patch for GCC 7.4.0, GCC 7.5.0 already contains this]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Jeffery To 2019-11-19 06:04:59 +08:00 committed by Hauke Mehrtens
parent 65a561fd09
commit c102f702e7
1 changed files with 30 additions and 0 deletions
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30
toolchain/gcc/patches/8.3.0/090-rs6000-PR-89587.patch Normal file
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@ -0,0 +1,30 @@
From 045e60da05ec1d4997864883143a951f152cfc9f Mon Sep 17 00:00:00 2001
From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 30 Apr 2019 20:37:12 +0000
Subject: [PATCH] Backported from mainline 2019-03-05 Jakub
Jelinek <jakub@redhat.com>
PR target/89587
* config/rs6000/t-linux (MULTIARCH_DIRNAME): Set to non-empty only
if_multiarch.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-8-branch@270720 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 4 ++++
gcc/config/rs6000/t-linux | 2 +-
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/gcc/config/rs6000/t-linux b/gcc/config/rs6000/t-linux
index acfde1f48aec..aeb7440c4920 100644
--- a/gcc/config/rs6000/t-linux
+++ b/gcc/config/rs6000/t-linux
@@ -4,7 +4,7 @@ ifeq (,$(filter $(with_cpu),$(SOFT_FLOAT_CPUS))$(findstring soft,$(with_float)))
ifneq (,$(findstring powerpc64,$(target)))
MULTILIB_OSDIRNAMES := .=../lib64$(call if_multiarch,:powerpc64-linux-gnu)
else
-MULTIARCH_DIRNAME := powerpc-linux-gnu
+MULTIARCH_DIRNAME := $(call if_multiarch,powerpc-linux-gnu)
endif
ifneq (,$(findstring powerpcle,$(target)))
MULTIARCH_DIRNAME := $(subst -linux,le-linux,$(MULTIARCH_DIRNAME))