Fix bug with compatibility memory define/header
diff --git a/include/polarssl/check_config.h b/include/polarssl/check_config.h
index b44bcd5..e6df92f 100644
--- a/include/polarssl/check_config.h
+++ b/include/polarssl/check_config.h
@@ -156,6 +156,10 @@
 #error "POLARSSL_KEY_EXCHANGE_RSA_ENABLED defined, but not all prerequisites"
 #endif
 
+#if defined(POLARSSL_MEMORY_C) && !defined(POLARSSL_PLATFORM_C)
+#error "POLARSSL_MEMORY_C defined, but not all prerequisites"
+#endif
+
 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C) &&                          \
     ( !defined(POLARSSL_PLATFORM_C) || !defined(POLARSSL_PLATFORM_MEMORY) )
 #error "POLARSSL_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
diff --git a/include/polarssl/config.h b/include/polarssl/config.h
index 41ca1ab..ad0cceb 100644
--- a/include/polarssl/config.h
+++ b/include/polarssl/config.h
@@ -1679,6 +1679,7 @@
 /**
  * \def POLARSSL_MEMORY_C
  * Deprecated since 1.3.5. Please use POLARSSL_PLATFORM_MEMORY instead.
+ * Depends on: POLARSSL_PLATFORM_C
  */
 //#define POLARSSL_MEMORY_C
 
diff --git a/include/polarssl/memory.h b/include/polarssl/memory.h
index 039740c..986c0e7 100644
--- a/include/polarssl/memory.h
+++ b/include/polarssl/memory.h
@@ -32,10 +32,6 @@
 
 #include <stdlib.h>
 
-#if defined(POLARSSL_MEMORY_C) && !defined(POLARSSL_PLATFORM_MEMORY)
-#define POLARSSL_PLATFORM_MEMORY
-#endif
-
 #include "platform.h"
 #include "memory_buffer_alloc.h"
 
diff --git a/include/polarssl/platform.h b/include/polarssl/platform.h
index 9e79b64..f2d6263 100644
--- a/include/polarssl/platform.h
+++ b/include/polarssl/platform.h
@@ -30,6 +30,11 @@
 #include POLARSSL_CONFIG_FILE
 #endif
 
+/* Temporary compability hack for to keep the deprecated MEMORY_C working */
+#if defined(POLARSSL_MEMORY_C) && !defined(POLARSSL_PLATFORM_MEMORY)
+#define POLARSSL_PLATFORM_MEMORY
+#endif
+
 #include <stdio.h>
 
 #ifdef __cplusplus