configure: use grep in quiet mode, rather than piping stderr/stdout to /dev/null
[mesa.git] / include / GLES2 /
drwxr-xr-x   ..
-rw-r--r-- 30140 gl2.h
-rw-r--r-- 91429 gl2ext.h
-rw-r--r-- 909 gl2platform.h