Lines Matching refs:ac_envvar
1156 ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
1158 expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
1159 { $as_echo "$as_me: error: invalid variable name: $ac_envvar" >&2
1161 eval $ac_envvar=\$ac_optarg
1162 export $ac_envvar ;;
