[PATCH 2/5] DocBook: Don't store mtime (or name) in compressed man pages

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The mtime on a man page is the build time.  As gzip stores the mtime
and original name in the compressed file by default, this makes
compressed man pages unreproducible.  Neither of these are important
metadata in this case, so turn this off.

Reported-by: Jérémy Bobbio <lunar@xxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
 Documentation/DocBook/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile
index b6a6a2e..11a4145 100644
--- a/Documentation/DocBook/Makefile
+++ b/Documentation/DocBook/Makefile
@@ -56,7 +56,7 @@ htmldocs: $(HTML)
 
 MAN := $(patsubst %.xml, %.9, $(BOOKS))
 mandocs: $(MAN)
-	find $(obj)/man -name '*.9' | xargs gzip -f
+	find $(obj)/man -name '*.9' | xargs gzip -nf
 
 installmandocs: mandocs
 	mkdir -p /usr/local/man/man9/

-- 
Ben Hutchings
If the facts do not conform to your theory, they must be disposed of.

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