compiling error

[Fela Winkelmolen]

I'm not sure I should post this here, but I get this compile error and I've no 
idea what to do about it, can anybody give me some clarification??

Building CXX object kio/CMakeFiles/kio.dir/kssl/kssl.o
/usr/bin/c++ [...]
/home/kde4/kdelibs4_snapshot/kio/kssl/kssl.cc:55:2: warning: #warning "kssl.cc 
contains temporary functions! Clean up"
/home/kde4/kdelibs4_snapshot/kdecore/ksocks.h:103: error: ‘socklen_t’ has not 
been declared
/home/kde4/kdelibs4_snapshot/kdecore/ksocks.h:119: error: ‘socklen_t’ has not 
been declared
/home/kde4/kdelibs4_snapshot/kdecore/ksocks.h:125: error: ‘socklen_t’ has not 
been declared
/home/kde4/kdelibs4_snapshot/kdecore/ksocks.h:140: error: ‘socklen_t’ has not 
been declared
/home/kde4/kdelibs4_snapshot/kdecore/ksocks.h:145: error: ‘socklen_t’ has not 
been declared
/home/kde4/kdelibs4_snapshot/kdecore/ksocks.h:150: error: ‘socklen_t’ has not 
been declared
/home/kde4/kdelibs4_snapshot/kdecore/ksocks.h:168: error: ‘socklen_t’ has not 
been declared
/home/kde4/kdelibs4_snapshot/kdecore/ksocks.h:170: error: ‘socklen_t’ has not 
been declared
/home/kde4/kdelibs4_snapshot/kio/kssl/kssl.cc:195: warning: unused 
parameter ‘session’
/home/kde4/kdelibs4_snapshot/kio/kssl/kssl.cc:259: warning: unused 
parameter ‘sock’
/home/kde4/kdelibs4_snapshot/kio/kssl/kssl.cc:345: warning: unused 
parameter ‘sock’
/home/kde4/kdelibs4_snapshot/kio/kssl/kssl.cc:442: warning: unused 
parameter ‘buf’
/home/kde4/kdelibs4_snapshot/kio/kssl/kssl.cc:442: warning: unused 
parameter ‘len’
/home/kde4/kdelibs4_snapshot/kio/kssl/kssl.cc:454: warning: unused 
parameter ‘buf’
/home/kde4/kdelibs4_snapshot/kio/kssl/kssl.cc:454: warning: unused 
parameter ‘len’
/home/kde4/kdelibs4_snapshot/kio/kssl/kssl.cc:492: warning: unused 
parameter ‘buf’
/home/kde4/kdelibs4_snapshot/kio/kssl/kssl.cc:492: warning: unused 
parameter ‘len’
/home/kde4/kdelibs4_snapshot/kio/kssl/kssl.cc:599: warning: unused 
parameter ‘pkcs’
make[2]: *** [kio/CMakeFiles/kio.dir/kssl/kssl.o] Error 1
make[2]: Leaving directory `/home/kde4/kdelibs4_snapshot-build'
make[1]: *** [kio/CMakeFiles/kio.dir/all] Error 2
make[1]: Leaving directory `/home/kde4/kdelibs4_snapshot-build'
make: *** [all] Error 2

thanks in advance!