$ ls -l /opt/lib/
total 106560
-rw-r--r--  2 bulibuta  users   678700 Sep 16 02:14 libboost_regex-gcc-1_33_1.a
-rwxr-xr-x  1 bulibuta  users   448104 Sep 16 02:11 libboost_regex-gcc-1_33_1.so
-rwxr-xr-x  2 bulibuta  users   448104 Sep 16 02:11 libboost_regex-gcc-1_33_1.so.0.0
-rw-r--r--  2 bulibuta  users  5408422 Sep 16 02:12 libboost_regex-gcc-d-1_33_1.a
-rwxr-xr-x  1 bulibuta  users  4496894 Sep 16 02:09 libboost_regex-gcc-d-1_33_1.so
-rwxr-xr-x  2 bulibuta  users  4496894 Sep 16 02:09 libboost_regex-gcc-d-1_33_1.so.0.0
-rw-r--r--  2 bulibuta  users  5408422 Sep 16 02:12 libboost_regex-gcc-d.a
-rwxr-xr-x  2 bulibuta  users  4496894 Sep 16 02:09 libboost_regex-gcc-d.so
-rw-r--r--  2 bulibuta  users   678700 Sep 16 02:15 libboost_regex-gcc-mt-1_33_1.a
-rwxr-xr-x  1 bulibuta  users   448104 Sep 16 02:17 libboost_regex-gcc-mt-1_33_1.so
-rwxr-xr-x  2 bulibuta  users   448104 Sep 16 02:17 libboost_regex-gcc-mt-1_33_1.so.0.0
-rw-r--r--  2 bulibuta  users  5408422 Sep 16 02:13 libboost_regex-gcc-mt-d-1_33_1.a
-rwxr-xr-x  1 bulibuta  users  4496894 Sep 16 02:10 libboost_regex-gcc-mt-d-1_33_1.so
-rwxr-xr-x  2 bulibuta  users  4496894 Sep 16 02:10 libboost_regex-gcc-mt-d-1_33_1.so.0.0
-rw-r--r--  2 bulibuta  users  5408422 Sep 16 02:13 libboost_regex-gcc-mt-d.a
-rwxr-xr-x  2 bulibuta  users  4496894 Sep 16 02:10 libboost_regex-gcc-mt-d.so
-rw-r--r--  2 bulibuta  users   678700 Sep 16 02:15 libboost_regex-gcc-mt.a
-rwxr-xr-x  2 bulibuta  users   448104 Sep 16 02:17 libboost_regex-gcc-mt.so
-rw-r--r--  2 bulibuta  users   678700 Sep 16 02:14 libboost_regex-gcc.a
-rwxr-xr-x  2 bulibuta  users   448104 Sep 16 02:11 libboost_regex-gcc.so