Re: [OE-core] [PATCH] runqemu: Change virtio-vga to virtio-gpu.

["Richard Purdie" <richard.purdie@linuxfoundation.org>]

On Sat, 2020-10-31 at 13:27 +0100, Alexander Kanavin wrote:
> I think you first need to set up a build directory to use sstate-
> cache in some common location, then build-st will pick it up, and you
> can then easily delete it without destroying the cache.

You can do something like the patch below. I would warn that the tests
assume clean directories so you have to be careful doing this though.

Cheers,

Richard

Subject: HACK:selftest/context: Allow reuse of existing build directory

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
 meta/lib/oeqa/selftest/context.py | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/meta/lib/oeqa/selftest/context.py b/meta/lib/oeqa/selftest/context.py
index dd3609c1d6..3a2447d026 100644
--- a/meta/lib/oeqa/selftest/context.py
+++ b/meta/lib/oeqa/selftest/context.py
@@ -73,12 +73,16 @@ class OESelftestTestContext(OETestContext):
         newselftestdir = newbuilddir + "/meta-selftest"
 
         if os.path.exists(newbuilddir):
-            self.logger.error("Build directory %s already exists, aborting" % newbuilddir)
-            sys.exit(1)
+        #    self.logger.error("Build directory %s already exists, aborting" % newbuilddir)
+        #    sys.exit(1)
+            bb.utils.prunedir(newselftestdir)
+            bb.utils.prunedir(newbuilddir + "/conf")
+
+        if not os.path.exists(newbuilddir):
+            bb.utils.mkdirhier(newbuilddir)
+            oe.path.copytree(builddir + "/cache", newbuilddir + "/cache")
 
-        bb.utils.mkdirhier(newbuilddir)
         oe.path.copytree(builddir + "/conf", newbuilddir + "/conf")
-        oe.path.copytree(builddir + "/cache", newbuilddir + "/cache")
         oe.path.copytree(selftestdir, newselftestdir)
 
         for e in os.environ: