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poky/meta/classes
Bruce Ashfield 128dd9ec60 kernel: make copying of crtsavres.o conditional
As of the 4.13 kernel, there are configuration + linker combinations
that do not need (or build) crtsavres.o for ppc64 targets. The commit
of interest is:

    commit efe0160cfd40a99c052a00e174787c1f4158a9cd
    Author: Nicholas Piggin <npiggin@gmail.com>
    Date:   Fri May 12 01:56:52 2017 +1000

        powerpc/64: Linker on-demand sfpr functions for modules

        For final link, the powerpc64 linker generates fpr save/restore
        functions on-demand, placing them in the .sfpr section. Starting with
        binutils 2.25, these can be provided for non-final links with
        --save-restore-funcs. Use that where possible for module links.

        This saves about 200 bytes per module (~60kB) on powernv defconfig
        build.

        Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
        Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

As such, our arch test for crtsavres.o is not enough, we add a secondary
existence check before trying the copy.

[YOCTO #12576]

(From OE-Core rev: af58819253a2d4526dc8871a17e1492bd1d92951)

Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2018-03-08 15:28:04 -08:00
..
2015-10-29 07:31:17 +00:00
2016-10-28 16:15:19 +01:00