From ecf8336fcdf81e2aeb30a7ab82841dd7299ceb98 Mon Sep 17 00:00:00 2001
From: gjb <gjb@FreeBSD.org>
Date: Wed, 30 Dec 2015 13:12:54 +0000
Subject: MFC r278449, r278926:

 r278449:
  Enable multi-threaded xz(1) compression for release install
  media.

 r278926 (rpaulo):
  Use xz(1) via pipe when compressing the release distribution
  tarballs.

Tested on:	stable/10@r292855
Sponsored by:	The FreeBSD Foundation
---
 share/mk/bsd.own.mk | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'share/mk')

diff --git a/share/mk/bsd.own.mk b/share/mk/bsd.own.mk
index 4792bad..ef200d8 100644
--- a/share/mk/bsd.own.mk
+++ b/share/mk/bsd.own.mk
@@ -213,6 +213,15 @@ STRIP?=		-s
 COMPRESS_CMD?=	gzip -cn
 COMPRESS_EXT?=	.gz
 
+# Set XZ_THREADS to 1 to disable multi-threading.
+XZ_THREADS?=	0
+
+.if !empty(XZ_THREADS)
+XZ_CMD?=	xz -T ${XZ_THREADS}
+.else
+XZ_CMD?=	xz
+.endif
+
 .if !defined(_WITHOUT_SRCCONF)
 #
 # Define MK_* variables (which are either "yes" or "no") for users
-- 
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