Lines Matching refs:ac_envvar
1214 ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
1216 expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
1217 { $as_echo "$as_me: error: invalid variable name: $ac_envvar" >&2
1219 eval $ac_envvar=\$ac_optarg
1220 export $ac_envvar ;;
