configure: use grep in quiet mode, rather than piping stderr/stdout to /dev/null
[mesa.git] / include / c11 /
drwxr-xr-x   ..
-rw-r--r-- 2539 threads.h
-rw-r--r-- 8741 threads_posix.h
-rw-r--r-- 16405 threads_win32.h