compiler.h: only use inx/outx on ARM with glibc
musl only implements inx/outx on x86, so check for GLIBC instead of linux.
Signed-off-by: Ross Burton ross.burton@intel.com
musl only implements inx/outx on x86, so check for GLIBC instead of linux.
Signed-off-by: Ross Burton ross.burton@intel.com