[Buildroot] [Bug 8496] Toolchain -> Target Optimizations ignored & not applied.

Sun Nov 29 23:01:28 UTC 2015

https://bugs.busybox.net/show_bug.cgi?id=8496

Thomas Petazzoni <thomas.petazzoni at free-electrons.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |WORKSFORME

--- Comment #1 from Thomas Petazzoni <thomas.petazzoni at free-electrons.com> 2015-11-29 23:01:28 UTC ---
An option like -mtune should *not* be passed in "Target optimization". The
march, mcpu and mtune options are all defined automatically depending on the
value you specify in the "Target options" menu, where you select the
architecture and architecture variant. Select xscale there and you're all set.

Also, the reason why you don't see -mcpu, -mtune and so on is because they are
automatically passed by our toolchain wrapper, so they are hidden. Or if you
are using an internal toolchain, then the toolchain is configured to build
binaries for the specified target, so there is no need to pass mcpu/mtune/march
when invoking the compiler.

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