On 05/15/2014 05:22 AM, Benjamin Herrenschmidt wrote:
On Thu, 2014-05-15 at 03:46 -0700, Guenter Roeck wrote:
On 05/15/2014 02:47 AM, Alan Modra wrote:
On Wed, May 14, 2014 at 08:34:30AM -0700, Guenter Roeck wrote:
Bummer. Confirmed, if I replace "@h" with "@high" in just one place,
the builds pass with binutils 2.24. Unfortunately the same builds then
fails with binutils 2.23.
Any idea how to get it to compile with both old and new versions ?
The standard way with GNU software would be to write a configure test,
that checks for @high support in the assembler, and defines a macro
if the assembler passes the check. I'm not that familiar with the
linux kernel these days, but a little grepping around says that
something like
ashigh := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1)
KBUILD_AFLAGS += $(ashigh)
might work.
Yes, it does.
Care to send a patch ? :-)
Yes, working on it.
Thanks,
Guenter
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