g++ amir.cpp -I/home/genjix/cs/cel/cel/include -L/home/genjix/cs/cel/cel/out/linuxx86/optimize/libs/ -lceltool `/home/genjix/cs/cs/CS/cs-config --cxxflags --libs` -o amir In file included from amir.cpp:17: /home/genjix/cs/cs/CS/include/csgeom/plane3.h:34: error: multiple types in one declaration make: *** [a] Error 1 ----------------------------------------- #include #include "amir.h" CS_IMPLEMENT_APPLICATION #include "bl.h" /*----------------------------------------*/ #include "csutil/sysfunc.h" #include "csgeom/plane3.h" #include "iutil/vfs.h" ... -----------------------------------------