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

[patchbot@xxxxxxx]

commit 5816d327e44ab37ae08730f4c54a80835998f31f
Author:     Frédéric Pierret (fepitre) <frederic.pierret@xxxxxxxxxxxx>
AuthorDate: Wed Nov 4 09:24:40 2020 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Wed Nov 4 09:24:40 2020 +0100

    xen: don't have timestamp inserted in config.gz
    
    This is for improving reproducible builds.
    
    Signed-off-by: Frédéric Pierret (fepitre) <frederic.pierret@xxxxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/common/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/common/Makefile b/xen/common/Makefile
index 083f62acb6..d109f279a4 100644
--- a/xen/common/Makefile
+++ b/xen/common/Makefile
@@ -80,7 +80,7 @@ obj-$(CONFIG_HAS_DEVICE_TREE) += libfdt/
 
 CONF_FILE := $(if $(patsubst 
/%,,$(KCONFIG_CONFIG)),$(BASEDIR)/)$(KCONFIG_CONFIG)
 config.gz: $(CONF_FILE)
-       gzip -c $< >$@
+       gzip -n -c $< >$@
 
 config_data.o: config.gz
 
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