Some systems (e.g. Android) define in their libc types.h
__le16, __be16, etc. Since perf is wrapping
<linux/types.h> with a local version, we need to define this
constants in the local version too.
Errors in Android:
In file included from bionic/libc/include/netinet/in.h:34:0,
from util/util.h:73,
from util/cache.h:5,
from util/abspath.c:1:
bionic/libc/kernel/common/linux/in6.h:20:2: error: unknown type name '__be16'
bionic/libc/kernel/common/linux/in6.h:21:2: error: unknown type name '__be32'
bionic/libc/kernel/common/linux/in6.h:30:2: error: unknown type name '__be16'
bionic/libc/kernel/common/linux/in6.h:31:2: error: unknown type name '__be32'
bionic/libc/kernel/common/linux/in6.h:47:2: error: unknown type name '__be32'