--- src/ph_fft.h.orig	2019-01-01 17:33:40.000000000 -0800
+++ src/ph_fft.h	2019-01-01 17:34:13.000000000 -0800
@@ -29,7 +29,7 @@
 #define PI 3.1415926535897932
 
 #include <math.h>
-#include </usr/include/complex.h>
+#include <@@SDK_USR_INCLUDE@@/complex.h>
 #include <stdlib.h>
 
 int fft(double *x, int N, complex double *X);