- tlsdesc_test.patch: disable LTO in tlsdesc_test to suppress TLS

relaxation (patch by Andreas Schwab <schwab@suse.de>); see also
  https://gitlab.freedesktop.org/mesa/mesa/-/issues/11929

OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/Mesa?expand=0&rev=1331

Mesa.changes

@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Sep 23 10:40:35 UTC 2024 - Stefan Dirsch <sndirsch@suse.com>
+
+- tlsdesc_test.patch: disable LTO in tlsdesc_test to suppress TLS
+  relaxation (patch by Andreas Schwab <schwab@suse.de>); see also
+  https://gitlab.freedesktop.org/mesa/mesa/-/issues/11929
+
 -------------------------------------------------------------------
 Mon Sep 23 10:36:35 UTC 2024 - Stefan Dirsch <sndirsch@suse.com>
 

Mesa.spec

@@ -180,6 +180,7 @@ Patch13:        python36-buildfix1.patch
 Patch14:        python36-buildfix2.patch
 Patch15:        u_fix_rust_bindgen.patch
 Patch16:        u_fix-llvm19-build.patch
+Patch17:        tlsdesc_test.patch
 # never to be upstreamed
 Patch54:        n_drirc-disable-rgb10-for-chromium-on-amd.patch
 Patch58:        u_dep_xcb.patch
@@ -842,6 +843,7 @@ cp %{SOURCE6} subprojects/packagecache/
 %endif
 %patch -P 15 -p1
 %patch -P 16 -p1
+%patch -P 17 -p1
 # no longer needed since gstreamer-plugins-vaapi 1.18.4
 %if 0%{?suse_version} < 1550
 %patch -P 54 -p1

tlsdesc_test.patch

@@ -0,0 +1,15 @@
+LTO defeats the -fpic workaround and enables TLS relaxation anyway
+
+Index: mesa-24.2.2/meson.build
+===================================================================
+--- mesa-24.2.2.orig/meson.build
++++ mesa-24.2.2/meson.build
+@@ -507,7 +507,7 @@ if not have_mtls_dialect
+     foreach tlsdesc_arg : ['-mtls-dialect=gnu2', '-mtls-dialect=desc']
+       # -fpic to force dynamic tls, otherwise TLS relaxation defeats check
+       tlsdesc_test = cc.run('int __thread x; int main() { return x; }',
+-                            args: [tlsdesc_arg, '-fpic'],
++                            args: [tlsdesc_arg, '-fpic', '-fno-lto'],
+                             name: tlsdesc_arg)
+       if tlsdesc_test.returncode() == 0 and (
+             # check for lld 13 bug: https://gitlab.freedesktop.org/mesa/mesa/-/issues/5665