[OE-core] [PATCH] perf: Fix to obey LD failure on qemux86-64

[sujith h]

Hi,

Let me know if we need to make any changes to this patch. If so I would be
happy to do that.

Thanks,
Sujith H

On Wed, Sep 21, 2016 at 10:47 AM, Sujith H <sujith.h at gmail.com> wrote:

> From: Christopher Larson <chris_larson at mentor.com>
>
> When built on an i686 host for qemux86-64 without the
> fix to obey LD and it fails:
>
> /scratch/dogwood/toolchains/x86_64/bin/i686-pc-linux-gnu-ld:
> Relocatable linking with relocations from format elf64-x86-64
> (/scratch/dogwood/perf-ld-test/build/tmp/work/qemux86_
> 64-mel-linux/perf/1.0-r9/perf-1.0/fs/fs.o)
> to format elf32-i386 (/scratch/dogwood/perf-ld-
> test/build/tmp/work/qemux86_64-mel-linux/perf/1.0-r9/perf-
> 1.0/fs/libapi-in.o)
> is not supported
>
> This is because LD includes HOST_LD_ARCH, which contains TUNE_LDARGS,
> which is -m elf32_x86_64 for x86_64. Without that, direct use of ld will
> fail.
>
> Signed-off-by: Christopher Larson <chris_larson at mentor.com>
> Signed-off-by: Sujith Haridasan <Sujith_Haridasan at mentor.com>
> ---
>  meta/recipes-kernel/perf/perf.bb | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/meta/recipes-kernel/perf/perf.bb b/meta/recipes-kernel/perf/
> perf.bb
> index 88e3a0a..0d104d3 100644
> --- a/meta/recipes-kernel/perf/perf.bb
> +++ b/meta/recipes-kernel/perf/perf.bb
> @@ -79,6 +79,7 @@ EXTRA_OEMAKE = '\
>      ARCH=${ARCH} \
>      CC="${CC}" \
>      AR="${AR}" \
> +    LD="${LD}" \
>      EXTRA_CFLAGS="-ldw" \
>      perfexecdir=${libexecdir} \
>      NO_GTK2=1 ${TUI_DEFINES} NO_DWARF=1 ${LIBUNWIND_DEFINES} \
> @@ -98,7 +99,6 @@ EXTRA_OEMAKE += "\
>      'infodir=${@os.path.relpath(infodir, prefix)}' \
>  "
>
> -
>  do_compile() {
>         # Linux kernel build system is expected to do the right thing
>         unset CFLAGS
> @@ -174,6 +174,7 @@ do_configure_prepend () {
>      if [ -e "${S}/tools/lib/api/Makefile" ]; then
>          sed -i 's,CC = $(CROSS_COMPILE)gcc,#CC,'
> ${S}/tools/lib/api/Makefile
>          sed -i 's,AR = $(CROSS_COMPILE)ar,#AR,'
> ${S}/tools/lib/api/Makefile
> +        sed -i 's,LD = $(CROSS_COMPILE)ld,#LD,'
> ${S}/tools/lib/api/Makefile
>      fi
>      if [ -e "${S}/tools/lib/subcmd/Makefile" ]; then
>          sed -i 's,CC = $(CROSS_COMPILE)gcc,#CC,'
> ${S}/tools/lib/subcmd/Makefile
> --
> 1.9.1
>
>


-- 
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