I tried to compil seeks for the first time and:
./configure: line 16182: test: !=: unary operator expected
More info: http://pastebin.com/d5fqkxiC
System is: 2.6.32-22-generic #36-Ubuntu SMP Thu Jun 3 19:31:57 UTC 2010 x86_64 GNU/Linux
Hi, the "./configure: line 16182: test: !=: unary operator expected " is warning. It does not prevent you from compiling seeks.
Just do 'make' and compilation will proceed.