From ddcfe51ef5939b842d2d1d10280d6c698890b780 Mon Sep 17 00:00:00 2001
From: Sebastian Sumpf <sebastian.sumpf@genode-labs.com>
Date: Tue, 25 Jun 2024 10:22:35 +0200
Subject: [PATCH] base/global.mk: TAR_OPT

Add TAR_OPT to global.mk that defaults to user and group 1, while
setting mtime to 0 for tar archives. This can be used in components to
produce consistent (reproducible) tar archives.

issue #5255
---
 repos/base/mk/global.mk | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/repos/base/mk/global.mk b/repos/base/mk/global.mk
index 3c6c0461ae..6d0dc55043 100644
--- a/repos/base/mk/global.mk
+++ b/repos/base/mk/global.mk
@@ -244,6 +244,11 @@ LD_SCRIPT_SO ?= $(BASE_DIR)/src/ld/genode_rel.ld
 #
 AS_OPT += $(AS_MARCH)
 
+#
+# Default tar options
+#
+TAR_OPT ?= --owner=1 --group=1 --mtime=@0
+
 ALL_INC_DIR := .
 ALL_INC_DIR += $(INC_DIR)
 ALL_INC_DIR += $(foreach DIR,$(REP_INC_DIR), $(foreach REP,$(REPOSITORIES),$(REP)/$(DIR)))