Lines Matching refs:null
423 exec 6>/dev/null
528 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
530 if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
581 if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
742 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
759 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
776 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
814 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
952 # Giving --cache-file=/dev/null disables caching, for debugging configure.
1027 # on host `(hostname || uname -n) 2>/dev/null | sed 1q`: