linux-kernel - [PATCH] lib/build_OID_registry: do not embed full $0

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Date: Mon, 24 Jun 2024 11:00:43 +0100
From: Giuliano Procida <gprocida@...gle.com>
To: linux-kernel@...r.kernel.org, dhowells@...hat.com
Cc: kernel-team@...roid.com, elsk@...gle.com, 
	Giuliano Procida <gprocida@...gle.com>
Subject: [PATCH] lib/build_OID_registry: do not embed full $0

Using $0 makes the output of this file sensitive to the Linux build
directory path. This is problematic for reproducible builds as it can
affect vmlinux's .debug_lines' section and vmlinux's build ID.

Signed-off-by: Giuliano Procida <gprocida@...gle.com>
---
 lib/build_OID_registry | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/build_OID_registry b/lib/build_OID_registry
index d7fc32ea8ac2..06f242202036 100755
--- a/lib/build_OID_registry
+++ b/lib/build_OID_registry
@@ -35,7 +35,7 @@ close IN_FILE || die;
 #
 open C_FILE, ">$ARGV[1]" or die;
 print C_FILE "/*\n";
-print C_FILE " * Automatically generated by ", $0, ".  Do not edit\n";
+print C_FILE " * Automatically generated by build_OID_registry.  Do not edit\n";
 print C_FILE " */\n";
 
 #
-- 
2.45.2.741.gdbec12cfda-goog