| GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. | 
 | # Local configure fragment for sysdeps/nacl. | 
 |  | 
 | nacl_probe_file=native_client/src/trusted/service_runtime/include/sys/errno.h | 
 |  | 
 | # sysheaders is set by the --with-headers=... option to configure. | 
 | # For NaCl, we require that the option be given and point to the | 
 | # native_client/.. source tree directory. | 
 | test -n "$sysheaders" || { | 
 |   AC_MSG_ERROR([must supply --with-headers=DIR with native_client source tree]) | 
 | } | 
 | test -r "$sysheaders/$nacl_probe_file" || { | 
 |   AC_MSG_ERROR([$sysheaders does not appear to be a native_client source tree]) | 
 | } | 
 |  | 
 | # nscd is extremely useless in the NaCl context. | 
 | build_nscd=no | 
 | use_nscd=no |