LO doesn't configure for me with all options disabled:

---
checking which db to use... external
checking db-42/db.h usability... no
checking db-42/db.h presence... no
checking for db-42/db.h... no
checking db42/db.h usability... yes
checking db42/db.h presence... yes
checking for db42/db.h... yes
checking whether db is at least 4.1... yes
checking for dbopen in -ldb-4.2... no
checking for __db185_open in -ldb-4.2... no
checking for dbopen in -ldb-4.2... no
checking for __db185_open in -ldb-4.2... no
configure: error: db library not found. Use the correct -L flag,
or install the Berkeley db development package.
---

config.log:
---
configure:23270: checking for dbopen in -ldb-4.2
configure:23305: clang -o conftest -O2 -pipe -march=nocona -fno-strict-aliasing -I/usr/local/include -I/usr/local/include/db42  -rpath=/usr/lib:/usr/local/lib conftest.c -ldb-4.2   >&5
clang: warning: argument unused during compilation: '-rpath=/usr/lib:/usr/local/lib'
/usr/bin/ld: cannot find -ldb-4.2
clang: error: linker command failed with exit code 1 (use -v to see invocation)
configure:23312: $? = 1
---

Adding standard LDFLAGS fixes it.

Port maintainer (office@FreeBSD.org) is cc'd.

Generated with FreeBSD Port Tools 0.99_6 (mode: change, diff: CVS)

How-To-Repeat: Try to build libreoffice with all options disabled.