$ ./configure
Configuring Psi ...
Verifying Qt 4 build environment ... ok
Checking for Qt >= 4.7.0 ... yes
Checking for LibIDN ... yes
Checking for QCA >= 2.0 ... yes
Checking for zlib ... yes
Checking for QDBUS ... yes
Checking for the XScreenSaver extension ... yes
Checking for spellcheck engine ... aspell
Generating .prl files ... fail

Error: need Generate .prl files!