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From df835389699b32bb6610b39972502e323f8e09e5 Mon Sep 17 00:00:00 2001
From: Alistair Francis <alistair@alistair23.me>
Date: Thu, 14 Nov 2019 13:08:31 -0800
Subject: [PATCH] meson.build: make TLS ELF optional
USE_ELF_TLS has replaced GLX_USE_TLS so this patch is the original "make
TLS GLX optional again" patch updated to the latest mesa.
For details, see:
https://gitlab.freedesktop.org/mesa/mesa/-/issues/966
This prevents runtime segfault on musl:
Traceback (most recent call last):
File "/home/pokybuild/yocto-worker/musl-qemux86/build/meta/lib/oeqa/core/decorator/__init__.py", line 36, in wrapped_f
return func(*args, **kwargs)
File "/home/pokybuild/yocto-worker/musl-qemux86/build/meta/lib/oeqa/runtime/cases/parselogs.py", line 378, in test_parselogs
self.assertEqual(errcount, 0, msg=self.msg)
AssertionError: 1 != 0 : Log: /home/pokybuild/yocto-worker/musl-qemux86/build/build/tmp/work/qemux86-poky-linux-musl/core-image-sato-sdk/1.0-r0/target_logs/Xorg.0.log
-----------------------
Central error: [ 10.477] (EE) Failed to load /usr/lib/xorg/modules/extensions/libglx.so: Error relocating /usr/lib/libGL.so.1: alphasort: initial-exec TLS resolves to dynamic definition in /usr/lib/libGL.so.1
***********************
Upstream-Status: Inappropriate [configuration]
Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
meson.build | 2 +-
meson_options.txt | 6 ++++++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/meson.build b/meson.build
index 09e3759..a954118 100644
--- a/meson.build
+++ b/meson.build
@@ -387,7 +387,7 @@ if with_egl and not (with_platform_drm or with_platform_surfaceless or with_plat
endif
# Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
-if host_machine.system() != 'windows' and (not with_platform_android or get_option('platform-sdk-version') >= 29)
+if (not with_platform_android or get_option('platform-sdk-version') >= 29) and get_option('elf-tls')
pre_args += '-DUSE_ELF_TLS'
endif
diff --git a/meson_options.txt b/meson_options.txt
index 626baf3..637ff14 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -341,6 +341,12 @@ option(
value : true,
description : 'Enable direct rendering in GLX and EGL for DRI',
)
+option(
+ 'elf-tls',
+ type : 'boolean',
+ value : true,
+ description : 'Enable TLS support in ELF',
+)
option(
'I-love-half-baked-turnips',
type : 'boolean',
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