Don't define the mode variable when not needed in gemm functions

interface/gemm.c

@@ -246,6 +246,7 @@ void CNAME(enum CBLAS_ORDER order, enum CBLAS_TRANSPOSE TransA, enum CBLAS_TRANS
 
 #ifdef SMP
   double MNK;
+#if defined(USE_SIMPLE_THREADED_LEVEL3) || !defined(NO_AFFINITY)
 #ifndef COMPLEX
 #ifdef XDOUBLE
   int mode  =  BLAS_XDOUBLE | BLAS_REAL;
@@ -264,6 +265,7 @@ void CNAME(enum CBLAS_ORDER order, enum CBLAS_TRANSPOSE TransA, enum CBLAS_TRANS
 #endif
 #endif
 #endif
+#endif
 
 #if defined(SMP) && !defined(NO_AFFINITY) && !defined(USE_SIMPLE_THREADED_LEVEL3)
   int nodes;
@@ -417,8 +419,10 @@ void CNAME(enum CBLAS_ORDER order, enum CBLAS_TRANSPOSE TransA, enum CBLAS_TRANS
   sb = (XFLOAT *)(((BLASLONG)sa + ((GEMM_P * GEMM_Q * COMPSIZE * SIZE + GEMM_ALIGN) & ~GEMM_ALIGN)) + GEMM_OFFSET_B);
 
 #ifdef SMP
+#if defined(USE_SIMPLE_THREADED_LEVEL3) || !defined(NO_AFFINITY)
   mode |= (transa << BLAS_TRANSA_SHIFT);
   mode |= (transb << BLAS_TRANSB_SHIFT);
+#endif
 
   MNK = (double) args.m * (double) args.n * (double) args.k;
   if ( MNK <= (SMP_THRESHOLD_MIN  * (double) GEMM_MULTITHREAD_THRESHOLD)  )