Define __HIPCC__ flag at compile time when using HIPCC on HCC path

Change-Id: I5e967e0e2327264d5d3b0ca705c2504fcd33d75e

hipamd/bin/hipcc

@@ -92,7 +92,7 @@ if ($HIP_PLATFORM eq "hcc") {
 
     # HCC* may be used to compile src/hip_hcc.o (and also feed the HIPCXXFLAGS below)
     $HCC = "$HCC_HOME/bin/hcc";
-    $HCCFLAGS = "-hc -I$HCC_HOME/include ";
+    $HCCFLAGS = "-hc  -D__HIPCC__ -I$HCC_HOME/include ";
 
     $HIPCC=$HCC;
     $HIPCXXFLAGS = $HCCFLAGS;

hipamd/include/hip/hip_common.h

@@ -27,14 +27,14 @@ THE SOFTWARE.
 // Other compiler (GCC,ICC,etc) need to set one of these macros explicitly
 #if defined(__HCC__)
 #define __HIP_PLATFORM_HCC__
-#define __HIPCC__
 
 #if defined(__HCC_ACCELERATOR__) && (__HCC_ACCELERATOR__ != 0)
 #define __HIP_DEVICE_COMPILE__ 1
 #else
 #define __HIP_DEVICE_COMPILE__ 0
 #endif
-#endif
+
+#endif //__HCC__
 
 // Auto enable __HIP_PLATFORM_NVCC__ if compiling with NVCC
 #if defined(__NVCC__)
@@ -48,7 +48,8 @@ THE SOFTWARE.
 #else
 #define __HIP_DEVICE_COMPILE__ 0
 #endif
-#endif
+
+#endif //__NVCC__
 
 
 #if __HIP_DEVICE_COMPILE__ == 0