undefined reference to `arm_fir_fast_q15'

Hi,

I am building a app with the CMSIS DSP library in IDE 1.6.7

I think I have a issue with linking some stuff due to the following compiler output:

Arduino: 1.6.7 (Mac OS X), Board:"Arduino Due (Programming Port)"

Build-opties gewijzigd, alles wordt opnieuw gebuild
sketch/DMRTX.cpp.o: In function CDMRTX::writeByte(unsigned char, unsigned char)': sketch/DMRTX.cpp:211: undefined reference to arm_fir_fast_q15'
sketch/DStarTX.cpp.o: In function CDStarTX::writeByte(unsigned char)': sketch/DStarTX.cpp:421: undefined reference to arm_fir_fast_q15'
sketch/IO.cpp.o: In function CIO::process()': sketch/IO.cpp:195: undefined reference to arm_fir_fast_q15'
sketch/IO.cpp:202: undefined reference to arm_fir_fast_q15' sketch/IO.cpp:213: undefined reference to arm_fir_fast_q15'
sketch/IO.cpp.o:sketch/IO.cpp:220: more undefined references to `arm_fir_fast_q15' follow
collect2: error: ld returned 1 exit status
exit status 1

I am using a macbook.

Can somebody help me?

br/ Erik-Jan