In file included from pepper_47/toolchain/mac_pnacl/le32-nacl/include/c++/v1/iostream:37:
pepper_47/toolchain/mac_pnacl/le32-nacl/include/c++/v1/__config:335:10: fatal error: 'features.h' file not found
#include <features.h>
^
In file included from /pepper_47/toolchain/mac_pnacl/le32-nacl/include/c++/v1/chrono:278:
/pepper_47/toolchain/mac_pnacl/le32-nacl/include/c++/v1/__config:335:10: fatal error: 'features.h' file not found
#include <features.h>