xen: don't have timestamp inserted in config.gz

This is for improving reproducible builds.

Signed-off-by: Frédéric Pierret (fepitre) <frederic.pierret@qubes-os.org>
Acked-by: Jan Beulich <jbeulich@suse.com>
(cherry picked from commit 5816d327e44ab37ae08730f4c54a80835998f31f)

diff --git a/xen/common/Makefile b/xen/common/Makefile
index 06881d023c8e433c75a29631dacb4d8ce47197e2..32cd650ba89a4a03a4a9ad2eb56c9e9dddae4333 100644 (file)
--- a/xen/common/Makefile
+++ b/xen/common/Makefile
@@ -77,7 +77,7 @@ obj-$(CONFIG_HAS_DEVICE_TREE) += libfdt/
 
 CONF_FILE := $(if $(patsubst /%,,$(KCONFIG_CONFIG)),$(XEN_ROOT)/xen/)$(KCONFIG_CONFIG)
 config.gz: $(CONF_FILE)
-       gzip -c $< >$@
+       gzip -n -c $< >$@
 
 config_data.o: config.gz