kumquat-buildroot/package/gcc/13.2.0/0001-disable-split-stack-for-non-thread-builds.patch
Romain Naour 3009095ba8 package/gcc: add support for gcc 13
https://gcc.gnu.org/gcc-13/changes.html
https://gcc.gnu.org/gcc-13/porting_to.html

Backport upstream patch to gcc 13.2 for RISC-V build issue with gcc 4.9.x:

GCC should still build with GCC 4.8.3 or newer [1]
using C++03 by default. But a recent change in
RISC-V port introduced a C++11 feature "std::log2" [2].

Use log2 from the C header, without the namespace [3].

[1] https://gcc.gnu.org/install/prerequisites.html
[2] https://gcc.gnu.org/git/?p=gcc.git;a=patch;h=7caa1ae5e451e780fbc4746a54e3f19d4f4304dc
[3] https://stackoverflow.com/questions/26733413/error-log2-is-not-a-member-of-std

Rebase patch 0001-disable-split-stack-for-non-thread-builds.patch
required for uClibc-ng without threads support.

Fixes:
https://gitlab.com/buildroot.org/toolchains-builder/-/jobs/4202276589

Runtime tested on gitlab-ci:
https://gitlab.com/kubu93/buildroot/-/pipelines/947874770/

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2023-07-28 22:04:50 +02:00

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Diff

From 4f67134e0b1404fef4ea72342be8fab4c37ca8c8 Mon Sep 17 00:00:00 2001
From: Waldemar Brodkorb <wbx@openadk.org>
Date: Mon, 25 Jul 2022 00:29:55 +0200
Subject: [PATCH] disable split-stack for non-thread builds
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
[Romain: convert to git format]
Signed-off-by: Romain Naour <romain.naour@smile.fr>
---
libgcc/config/t-stack | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libgcc/config/t-stack b/libgcc/config/t-stack
index cc0366b4cd8..f3f97e86d60 100644
--- a/libgcc/config/t-stack
+++ b/libgcc/config/t-stack
@@ -1,4 +1,6 @@
# Makefile fragment to provide generic support for -fsplit-stack.
# This should be used in config.host for any host which supports
# -fsplit-stack.
+ifeq ($(enable_threads),yes)
LIB2ADD_ST += $(srcdir)/generic-morestack.c $(srcdir)/generic-morestack-thread.c
+endif
--
2.34.3