[commit: ghc] wip/jenkins: bindist: Compress with threaded xz by default (70e1e11)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : wip/jenkins
Link       : http://ghc.haskell.org/trac/ghc/changeset/70e1e11b3dd2677bb758011da3cc0bcb9f87f3ad/ghc

>---------------------------------------------------------------

commit 70e1e11b3dd2677bb758011da3cc0bcb9f87f3ad
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Sun Jun 4 12:19:13 2017 -0400

    bindist: Compress with threaded xz by default


>---------------------------------------------------------------

70e1e11b3dd2677bb758011da3cc0bcb9f87f3ad
 mk/config.mk.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mk/config.mk.in b/mk/config.mk.in
index 189439e..044c928 100644
--- a/mk/config.mk.in
+++ b/mk/config.mk.in
@@ -794,7 +794,7 @@ else ifeq "$(TAR_COMP)" "gzip"
 TAR_COMP_CMD  = $(GZIP_CMD)
 TAR_COMP_EXT  = gz
 else ifeq "$(TAR_COMP)" "xz"
-TAR_COMP_CMD  = $(XZ_CMD)
+TAR_COMP_CMD  = $(XZ_CMD) --threads=0
 TAR_COMP_EXT  = xz
 else
 $(error $$(TAR_COMP) set to unknown value "$(TAR_COMP)" (supported: "bzip2", "gzip", "xz"))