Lines Matching refs:ac_envvar
1152 ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
1154 expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
1155 { echo "$as_me: error: invalid variable name: $ac_envvar" >&2
1157 eval $ac_envvar=\$ac_optarg
1158 export $ac_envvar ;;
