--- a/GraphBLAS/Config/GraphBLAS.h.in
+++ b/GraphBLAS/Config/GraphBLAS.h.in
@@ -179,6 +179,13 @@
             ((GxB_FC32_t)((float)(r)) + (GxB_FC32_t)((float)(i) * _Complex_I))
         #endif
 
+        #if defined(__ANDROID__) && __ANDROID_API__ < 26
+            double complex clog(double complex);
+            float complex clogf(float complex);
+            double complex cpow(double complex, double complex);
+            float complex cpowf(float complex, float complex);
+        #endif
+
     #else
 
         #error "Unknown or unsupported complex number arithmetic"