base.bbclass: Allow buildstats to be optionally supplied

Buildstats should be allowed to be optionally enabled.  It's
recommended that it be enabled via the USER_CLASSES setting.

Alternatively it could be enabled via the INHERIT_DISTRO or
similar mechanism.

(From OE-Core rev: 09b1dc8bd886c8cd2a5d4085d8bb4b73ece1f5b0)

Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta-yocto/conf/local.conf.sample b/meta-yocto/conf/local.conf.sample
index ca8636c1518e8f0d40b350a428a28e30542d0199..12b38e81310d2f7b1230a047f133036b701223da 100644 (file)
--- a/meta-yocto/conf/local.conf.sample
+++ b/meta-yocto/conf/local.conf.sample
@@ -156,12 +156,13 @@ EXTRA_IMAGE_FEATURES = "debug-tweaks"
 # The following is a list of additional classes to use when building images which
 # enable extra features. Some available options which can be included in this variable 
 # are:
+#   - 'buildstats' collect build statistics
 #   - 'image-mklibs' to reduce shared library files size for an image
 #   - 'image-prelink' in order to prelink the filesystem image
 #   - 'image-swab' to perform host system intrusion detection
 # NOTE: if listing mklibs & prelink both, then make sure mklibs is before prelink
 # NOTE: mklibs also needs to be explicitly enabled for a given image, see local.conf.extended
-USER_CLASSES ?= "image-mklibs image-prelink"
+USER_CLASSES ?= "buildstats image-mklibs image-prelink"
 
 #
 # Runtime testing of images