C:\Dev\CGAL-4.5.1_MinGW\examples\Arrangement_on_surface_2>mingw32-make
Scanning dependencies of target Bezier_curves
[  2%] Building CXX object CMakeFiles/Bezier_curves.dir/Bezier_curves.cpp.obj
In file included from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/CoreDefs.h:41:0,
                 from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/BigFloatRep.h:40,
                 from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/BigFloat.h:38,
                 from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/RealRep.h:38,
                 from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/Real.h:40,
                 from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/ExprRep.h:42,
                 from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/Expr.h:42,
                 from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE_BigInt.h:28,
                 from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE_algebraic_number_traits.h:28,
                 from C:\Dev\CGAL-4.5.1_MinGW\examples\Arrangement_on_surface_2\Bezier_curves.cpp:16:
C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/extLong.h:171:8: warning: 'CORE::extLong::extLong(int)' redeclared without dllimport attribute after being referenced with dll linkage [enabled by default]
 inline extLong::extLong(int i) : val(i), flag(0) {
        ^
C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/extLong.h:292:13: warning: 'bool CORE::extLong::isNaN() const' redeclared without dllimport attribute after being referenced with dll linkage [enabled by default]
 inline bool extLong::isNaN() const {
             ^
In file included from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/BigFloat.h:38:0,
                 from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/RealRep.h:38,
                 from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/Real.h:40,
                 from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/ExprRep.h:42,
                 from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/Expr.h:42,
                 from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE_BigInt.h:28,
                 from C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE_algebraic_number_traits.h:28,
                 from C:\Dev\CGAL-4.5.1_MinGW\examples\Arrangement_on_surface_2\Bezier_curves.cpp:16:
C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/BigFloatRep.h:266:8: warning: 'CORE::BigFloatRep::BigFloatRep(const CORE::BigInt&, long unsigned int, long int)' redeclared without dllimport attribute after being referenced with dll linkage [enabled by default]
 inline BigFloatRep::BigFloatRep(const BigInt& I, unsigned long er, long ex)
        ^
C:/Dev/CGAL-4.5.1_MinGW/examples/Arrangement_on_surface_2/../../include/CGAL/CORE/BigFloatRep.h:362:13: warning: 'bool CORE::BigFloatRep::isZeroIn() const' redeclared without dllimport attribute after being referenced with dll linkage [enabled by default]
 inline bool BigFloatRep::isZeroIn() const {
             ^
Linking CXX executable Bezier_curves.exe
CMakeFiles\Bezier_curves.dir/objects.a(Bezier_curves.cpp.obj):Bezier_curves.cpp:(.text+0x10e8): undefined reference to `vtable for CORE::ConstDoubleRep'
CMakeFiles\Bezier_curves.dir/objects.a(Bezier_curves.cpp.obj):Bezier_curves.cpp:(.text$_ZN4CORE9AddSubRepINS_3SubEED1Ev[__ZN4CORE9AddSubRepINS_3SubEED1Ev]+0x9): undefined reference to `vtable for CORE::BinOpRep'
c:/mingw/bin/../lib/gcc/mingw32/4.8.1/../../../../mingw32/bin/ld.exe: CMakeFiles\Bezier_curves.dir/objects.a(Bezier_curves.cpp.obj): bad reloc address 0x9 in section `.text$_ZN4CORE9AddSubRepINS_3SubE
ED1Ev[__ZN4CORE9AddSubRepINS_3SubEED1Ev]'
collect2.exe: error: ld returned 1 exit status
CMakeFiles\Bezier_curves.dir\build.make:96: recipe for target 'Bezier_curves.exe' failed
mingw32-make[2]: *** [Bezier_curves.exe] Error 1
CMakeFiles\Makefile2:59: recipe for target 'CMakeFiles/Bezier_curves.dir/all' failed
mingw32-make[1]: *** [CMakeFiles/Bezier_curves.dir/all] Error 2
Makefile:75: recipe for target 'all' failed
mingw32-make: *** [all] Error 2