[openbeos] help building haiku: error ... skipped for lack of libbe.so

Friends,
I am new here. I am running Zeta 1.21. With help from BGA, I setup the correct gcc and friends here. I checkout the haiku source and after seeing an error with jam (max actions bla bla bla) and googled for a solution, the solution was to build and install a newer jam, so I fetched the one from build tools and built and install it. I used: 

svn checkout svn://svn.berlios.de/haiku/buildtools/trunk/jam jam

make
./jam0 install

then I moved to the haiku source folder and tried
./configure target=haiku
jam
while the terminal flashed lots of nice output, I wondered about seeing lots of messages like: 

... skipped for lack of libbe.so

and

... skipped for lack of libroot.so
I know this libraries to be at /etc/develop/haiku-r1-gcc2-x86/lib and I have a symlink binding that haiku folder to 'current'. I've tested by building a hello world from Sample Code folder and it works fine. I never used jam before, nor did I built haiku from sources, so I don't know if this message is common or if I forgot to set some variable or something to tell jam where to look for the libraries. 

Can someone please shed a clue?

Andre

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