To configure:

   ./autogen.sh
   AR=psp-ar \
     LDFLAGS="-L$(psp-config --pspsdk-path)/lib" LIBS="-lc -lpspuser" \
     ./configure --host psp --with-sdl-prefix=$(psp-config --psp-prefix) \
     --prefix=$(psp-config --psp-prefix) --disable-mmx --disable-shared

Then run:

   make
   make install