[OE-core] [PATCH V2] gcc-runtime: fix C++ header mapping for n32/x32 tune

[Changqing Li]

On 2/14/19 7:19 PM, Richard Purdie wrote:
> On Tue, 2019-02-12 at 13:10 +0800, changqing.li at windriver.com wrote:
>> From: Changqing Li <changqing.li at windriver.com>
>>
>>      The SDK was unable to find the C++ header pieces correctly since
>> it's
>>      using a generic compiler, not one specifically targeting the
>> multilib
>>      vendor prefix and default tune.  This adds the right mapping to
>> ensure
>>      SDKs work as expected. And fix problem in below configurations:
>>
>>      multilib configuration 1:
>>      MACHINE="qemumips64"
>>      MULTILIBS ?= "multilib:lib32 multilib:libn32"
>>      DEFAULTTUNE_virtclass-multilib-lib32 ?= "mips"
>>      DEFAULTTUNE_virtclass-multilib-libn32 ?= "mips64-n32"
>>      MULTILIB_GLOBAL_VARIANTS_append = " libn32"
>>      require conf/multilib.conf
>>
>>      ignoring nonexistent directory "<path>/sysroots/mips64-poky-
>> linux/usr/include/c++/8.2.0/mips64-poky-linux/32
>>
>>      multilib configuration 2:
>>      MACHINE="qemumips64"
>>      MULTILIBS = 'multilib:lib64 multilib:lib32'
>>      DEFAULTTUNE = 'mips64-n32'
>>      DEFAULTTUNE_virtclass-multilib-lib64 = 'mips64'
>>      DEFAULTTUNE_virtclass-multilib-lib32 = 'mips32r2'
>>      require conf/multilib.conf
>>
>>      For this configuration:
>>      for target gcc-runtime, need to create symlink like mips64-poly-
>> linux --> mips64-poky-linux-gnu32
>>      for target lib64-gcc-runtime, need to create symlink like mips64-
>> poly-linux/32 --> mips64-pokymllib64-linux
>>      in order to avoid conflict during populate_sdk, create symlink
>> for subfoler bits/ext for target gcc-runtime,
>>      this is ugly, but seems no better way to cover all kinds of
>> configuration.
>>
>>      single lib configuration:
>>      MACHINE="qemumips64"
>>      DEFAULTTUNE = "mips64-n32"
>>
>> Signed-off-by: Changqing Li <changqing.li at windriver.com>
>> ---
>>   meta/recipes-devtools/gcc/gcc-runtime.inc | 29 +++++++++++++++++--
>> ----------
>>   1 file changed, 17 insertions(+), 12 deletions(-)
> I haven't looked into why and it took a bit of narrowing down to find
> the commit responsible but this is still causing a failure on the
> autobuilder:
>
> https://autobuilder.yoctoproject.org/typhoon/#/builders/44/builds/285

Hi, Richard

I checked this problem,  this autobuilder fail seems not related to this 
patch.

it is failed as:

Error:
Problem: conflicting requests
- nothing provides lib64-lttng-modules needed by 
lib64-packagegroup-core-tools-profile-1.0-r3.0.qemux86'

but one place weird is I cannot reproduce this error locally with same 
configuration.

This is my lib64-packagegroup-core-tools-profile.spec:

Requires: lib64-powertop
Requires: lib64-systemtap
Requires: lib64-valgrind
Requires: lttng-modules
Recommends: lib64-blktrace


Requires should be lttng-modules  and not lib64-lttng-modules. 
lib64-lttng-modules should have been replace to lttng-modules.

during do_package_rpm->mapping_rename_hook->get_package_mapping.


I checked history of this part of code,  it should not have change 
recently,  so my local code should same as autobuildler, so I don't

quite understand why autobuilder failed.


If possible, could you help to check on the build server of the 
autobuilder ? Thanks.

>
> Cheers,
>
> Richard
>
>
-- 
BRs

Sandy(Li Changqing)

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