In file included from /home/nuno/dev_px4/update_eigen/Firmware/Build/px4fmu-v2_test.build/nuttx-export/include/math.h:52:0,
                 from /home/nuno/dev_px4/update_eigen/Firmware/Build/px4fmu-v2_test.build/nuttx-export/include/cxx/cmath:46,
                 from /home/nuno/dev_px4/update_eigen/Firmware/src/systemcmds/tests/test_eigen.cpp:41:
/home/nuno/dev_px4/update_eigen/Firmware/src/lib/eigen/Eigen/src/Core/MathFunctions.h: In function 'bool Eigen::numext::isfinite(const std::complex<_Tp>&)':
/home/nuno/dev_px4/update_eigen/Firmware/Build/px4fmu-v2_test.build/nuttx-export/include/arch/math.h:166:11: error: expected unqualified-id before '(' token
           (__extension__ ({int __cy = fpclassify(__y); \
           ^
/home/nuno/dev_px4/update_eigen/Firmware/src/lib/eigen/Eigen/src/Core/MathFunctions.h:824:18: note: in expansion of macro 'isfinite'
   return numext::isfinite(numext::real(x)) && numext::isfinite(numext::imag(x));
                  ^
compilation terminated due to -Wfatal-errors.
make[2]: *** [test_eigen.cpp.o] Error 1