Undefined reference to cdft in OouraFft.cpp File not found error in lib

[ecsschikane]

OouraFft.cpp:-1: error: undefined reference to cdft' /usr/local/lib/libAquila.a(OouraFft.cpp.o):-1: In functionAquila::OouraFft::ifft(std::vectorstd::complex<double, std::allocatorstd::complex >, double*)':
OouraFft.cpp:-1: error: undefined reference to `cdft'

[AaronYeoh]

If you're not using cmake, you'll have to make sure you link the Ooura-fft library (located at aquila-src/lib/libOoura_fft.a after building). You can copy libOoura_fft.a to /usr/local/lib and link it by adding -lOoura_fft
http://stackoverflow.com/questions/22033417/undefined-reference-with-extern-c