From: Douglas Royds <douglas.royds@taitradio.com>
Date: Tue, 13 Oct 2020 00:48:56 +0000 (+1300)
Subject: externalsrc: No single-task lock if S != B
X-Git-Tag: lucaceresoli/bug-15201-perf-libtraceevent-missing~9913
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8c6b12683c3160a5b7c62d1fe00a9f848e062df0;p=thirdparty%2Fopenembedded%2Fopenembedded-core-contrib.git

externalsrc: No single-task lock if S != B

Allow different recipes to build things from the one external source tree in
parallel, but only if the build is happening outside the source tree.

Signed-off-by: Douglas Royds <douglas.royds@taitradio.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---

diff --git a/meta/classes/externalsrc.bbclass b/meta/classes/externalsrc.bbclass
index d2001299876..dd09395788e 100644
--- a/meta/classes/externalsrc.bbclass
+++ b/meta/classes/externalsrc.bbclass
@@ -85,7 +85,7 @@ python () {
             if task.endswith("_setscene"):
                 # sstate is never going to work for external source trees, disable it
                 bb.build.deltask(task, d)
-            else:
+            elif os.path.realpath(d.getVar('S')) == os.path.realpath(d.getVar('B')):
                 # Since configure will likely touch ${S}, ensure only we lock so one task has access at a time
                 d.appendVarFlag(task, "lockfiles", " ${S}/singletask.lock")