This fixes the issue where g++ is not able to
find C++ headers when sysroot is '/'
The patch needs to be upstreamed into gcc as well.
[Yocto #4812]
(From OE-Core rev: 18537025ca8777a45cb24f1d9ee781323695607a)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>