buildroot/package/qemu/0003-tracing-install-trace-events-file-only-if-necessary.patch

From 5c43da1e4983cc3c209b325a5228b6149e0a0ccf Mon Sep 17 00:00:00 2001
From: Carlos Santos <casantos@redhat.com>
Date: Fri, 24 Mar 2023 21:40:22 -0300
Subject: [PATCH] tracing: install trace events file only if necessary

It is not useful when configuring with --enable-trace-backends=nop.

Upstream: https://patchwork.kernel.org/project/qemu-devel/patch/20230408010410.281263-1-casantos@redhat.com/
Signed-off-by: Carlos Santos <casantos@redhat.com>
Signed-off-by: Carlos Santos <unixmania@gmail.com>
---
 trace/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/trace/meson.build b/trace/meson.build
index 8e80be895c..30b1d942eb 100644
--- a/trace/meson.build
+++ b/trace/meson.build
@@ -64,7 +64,7 @@ trace_events_all = custom_target('trace-events-all',
                                  input: trace_events_files,
                                  command: [ 'cat', '@INPUT@' ],
                                  capture: true,
-                                 install: true,
+                                 install: get_option('trace_backends') != [ 'nop' ],
                                  install_dir: qemu_datadir)
 
 if 'ust' in get_option('trace_backends')
-- 
2.31.1