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

[sujith h]

On Mon, Sep 26, 2016 at 11:40 AM, sujith h <sujith.h at gmail.com> wrote:

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

Sorry for my earlier mail, this patch is merged:
http://git.openembedded.org/openembedded-core/commit/?id=0ce06611068e74e6ea2e226e3f967aaa91fecd25

>
> 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
>>
>>
>
>
> --
> സുജിത് ഹരിദാസന്
> Bangalore
> <Project>Contributor to KDE project
> <Project>Contributor to Yocto project
> http://fci.wikia.com/wiki/Anti-DRM-Campaign
> <Blog> http://sujithh.info
> C-x C-c
>



-- 
സുജിത് ഹരിദാസന്
Bangalore
<Project>Contributor to KDE project
<Project>Contributor to Yocto project
http://fci.wikia.com/wiki/Anti-DRM-Campaign
<Blog> http://sujithh.info
C-x C-c
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