diff -Naur td_lib-20150704/configure td_lib-20150704.patched/configure --- td_lib-20150704/configure 2015-07-04 11:20:27.000000000 -0400 +++ td_lib-20150704.patched/configure 2017-03-05 11:29:40.888486013 -0500 @@ -5031,7 +5031,7 @@ else ac_tmpdirs='/tmp /var/tmp /usr/tmp' fi -for ac_dir in . $ac_tmpdirs `eval echo $prefix/lib $exec_prefix/lib` ; do +for ac_dir in . $ac_tmpdirs ; do test -d $ac_dir || continue test -w $ac_dir || continue # It is less confusing to not echo anything here. ac_xdir=$ac_dir/cf$$