On Wed, Feb 24, 2016 at 02:34:32PM +0200, Alexander Kanavin wrote: > On 02/24/2016 03:55 AM, Martin Jansa wrote: > > Fails to build for qemuarm when thumb is enabled. > > > > Why was: > > ARM_INSTRUCTION_SET = "arm" > > > > removed in > > http://git.openembedded.org/openembedded-core/commit/?id=77dbf07293df15cd5473422abd678930d6277bb0 > > > > without checking if it works? > > That line has no explanation of its intent and dates back to before > 2009. I had also checked that ffmpeg builds fine with default qemuarm > configuration (and just checked that it still does), so it was dropped > as old cruft. > > I see that 'thumb' is in TUNE_FEATURES for qemuarm, but not sure if that > is same as 'thumb is enabled'. How do I make it break?
"thumb" in TUNE_FEATURES only means that given MACHINE (with given DEFAULTTUNE) is capable of executing thumb binaries. The distro needs to set ARM_INSTRUCTION_SET to "thumb" in order to enable actually using this TUNE_FEATURE. With recent improvements in tune files you should clearly see that default qemuarm builds are using TUNE_PKGARCH without "t" in it which means that "thumb" isn't enabled. -- Martin 'JaMa' Jansa jabber: martin.ja...@gmail.com
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