diff --git a/CMakeLists.txt b/CMakeLists.txt
index ebf9da713..8e9a3bff4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -780,7 +780,11 @@ add_subdirectory(devices)
 add_subdirectory(sdrbench)
 
 add_subdirectory(modemm17)
-add_subdirectory(ft8)
+
+if (FFTW3F_FOUND)
+    add_subdirectory(ft8)
+    add_definitions(-DHAS_FT8)
+endif()
 
 if (BUILD_GUI)
     add_subdirectory(sdrgui)
diff --git a/sdrbench/test_ft8.cpp b/sdrbench/test_ft8.cpp
index f326c1231..58128023e 100644
--- a/sdrbench/test_ft8.cpp
+++ b/sdrbench/test_ft8.cpp
@@ -21,20 +21,20 @@
 #include "mainbench.h"
 #include "dsp/wavfilerecord.h"
 
-#ifdef LINUX
-#include "ft8/ft8.h"
-#include "ft8/unpack.h"
-
 #include <QMutex>
-#endif
 
-#ifndef LINUX
-void MainBench::testFT8()
+#ifndef HAS_FT8
+void MainBench::testFT8(const QString& wavFile, const QString& argsStr)
 {
-    qDebug("Implemented in Linux only");
+    (void) wavFile;
+    (void) argStr;
+    qWarning("MainBench::testFT8: this version has no FT8 support");
 }
 #else
 
+#include "ft8/ft8.h"
+#include "ft8/unpack.h"
+
 class TestFT8Callback : public FT8::CallbackInterface
 {
 public: