opkg-utils: use multithreaded xz when building packages

(From OE-Core rev: 369c43cca4f00272e0f9eb8b939f38f00dc43cc3)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/meta/recipes-devtools/opkg-utils/opkg-utils/threaded-xz.patch b/meta/recipes-devtools/opkg-utils/opkg-utils/threaded-xz.patch
new file mode 100644
index 0000000000..13a49f9170
--- /dev/null
+++ b/meta/recipes-devtools/opkg-utils/opkg-utils/threaded-xz.patch
@@ -0,0 +1,18 @@
+Pass --threads=0 to xz so that it will use as many threads as there are cores to compress the packages.  This makes qemu's do_package_ipk run in 34s instead of 275s on my machine.
+
+Upstream-Status: Inappropriate (ugly but works, discussing with upstream now)
+Signed-off-by: Ross Burton <ross.burton@intel.com>
+
+diff --git a/opkg-build b/opkg-build
+index 0050c2b..93a7956 100755
+--- a/opkg-build
++++ b/opkg-build
+@@ -230,6 +230,8 @@ if gzip --help 2>&1 | grep -- "-T" > /dev/null; then
+ fi
+ if [ $compressor = "gzip" ] ; then
+        compressorargs=$zipargs
++elif [ $compressor = "xz" ] ; then
++       compressorargs="--threads 0"
+ fi
+ 
+ tsortargs=