rtl_fsk linking with libsdr.h included

CMakeLists.txt

@@ -98,6 +98,7 @@ if(CSDR_BUILD_DIR)
     message(FATAL_ERROR "CSDR_BUILD_DIR not set")
 endif()
 set(CSDR_LIBRARY ${CSDR_BUILD_DIR}/libcsdr.so)
+ADD_DEFINITIONS(-DUSE_FFTW)
 
 ########################################################################
 # Setup the include and linker paths
@@ -106,7 +107,7 @@ include_directories(
     ${CMAKE_SOURCE_DIR}/include
     ${LIBUSB_INCLUDE_DIR}
     ${THREADS_PTHREADS_INCLUDE_DIR}
-    ${CSDR_BUILD_DIR}/include
+    ${CSDR_BUILD_DIR}
 )
 
 #link_directories(

src/CMakeLists.txt

@@ -100,6 +100,7 @@ target_link_libraries(rtl_fsk codec2 rtlsdr_shared convenience_static
     ${LIBUSB_LIBRARIES}
     ${CMAKE_THREAD_LIBS_INIT}
     ${CSDR_LIBRARY}
+    fftw3
 )
 
 target_link_libraries(rtl_sdr rtlsdr_shared convenience_static

src/rtl_fsk.c

@@ -45,6 +45,7 @@
 #include "rtl-sdr.h"
 #include "convenience/convenience.h"
 #include "fsk.h"
+#include "libcsdr.h"
 
 #define DEFAULT_SAMPLE_RATE		240000
 #define DEFAULT_BUF_LENGTH		(16 * 16384)