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

[Richard Purdie]

On Wed, 2019-01-30 at 16:02 +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:
>     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
> 
> Signed-off-by: Changqing Li <changqing.li at windriver.com>
> ---
>  meta/recipes-devtools/gcc/gcc-runtime.inc | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)

Breaks in testing sadly:

https://autobuilder.yoctoproject.org/typhoon/#/builders/44/builds/236

Cheers,

Richard