src/spectral/mfcc.c: avoid undef, use slow version if HAVE_NOOPT

diff --git a/src/spectral/mfcc.c b/src/spectral/mfcc.c
index 83d1963..32f0beb 100644 (file)
--- a/src/spectral/mfcc.c
+++ b/src/spectral/mfcc.c
@@ -31,7 +31,9 @@
 #include "spectral/dct.h"
 #include "spectral/mfcc.h"
 
-#undef HAVE_SLOW_DCT
+#ifdef HAVE_NOOPT
+#define HAVE_SLOW_DCT 1
+#endif
 
 /** Internal structure for mfcc object */