Fix missing defines used by libhat.h

CMakeLists.txt

@@ -92,7 +92,10 @@ if(LIBHAT_STATIC_C_LIB OR LIBHAT_SHARED_C_LIB)
         endif()
     else()
         add_library(libhat_c SHARED ${LIBHAT_C_SOURCES})
-        target_compile_definitions(libhat_c PRIVATE "LIBHAT_BUILD_SHARED_LIB")
+        target_compile_definitions(libhat_c
+            PRIVATE LIBHAT_BUILD_SHARED_LIB
+            INTERFACE LIBHAT_USE_SHARED_LIB
+        )
     endif()
 
     target_link_libraries(libhat_c PRIVATE libhat)

include/libhat/Defines.hpp

@@ -1,30 +1,6 @@
 #pragma once
 
-// Detect CPU Architecture
-#if defined(_M_X64) || defined(__amd64__)
-    #define LIBHAT_X86_64
-#elif defined(_M_IX86) || defined(__i386__)
-    #define LIBHAT_X86
-#elif defined(_M_ARM64) || defined(__aarch64__)
-    #define LIBHAT_AARCH64
-#elif defined(_M_ARM) || defined(__arm__)
-    #define LIBHAT_ARM
-#else
-    #error Unsupported Architecture
-#endif
-
-// Detect Operating System
-#if defined(_WIN32)
-    #define LIBHAT_WINDOWS
-#elif defined(linux) || defined(__linux__) || defined(__linux)
-    #define LIBHAT_UNIX
-    #define LIBHAT_LINUX
-#elif defined(__APPLE__) && defined(__MACH__)
-    #define LIBHAT_UNIX
-    #define LIBHAT_MAC
-#else
-    #error Unsupported Operating System
-#endif
+#include "Platform.h"
 
 // Macros wrapping intrinsics
 #if defined(LIBHAT_X86_64)

include/libhat/Platform.h

@@ -0,0 +1,27 @@
+#pragma once
+
+// Detect CPU Architecture
+#if defined(_M_X64) || defined(__amd64__)
+    #define LIBHAT_X86_64
+#elif defined(_M_IX86) || defined(__i386__)
+    #define LIBHAT_X86
+#elif defined(_M_ARM64) || defined(__aarch64__)
+    #define LIBHAT_AARCH64
+#elif defined(_M_ARM) || defined(__arm__)
+    #define LIBHAT_ARM
+#else
+    #error Unsupported Architecture
+#endif
+
+// Detect Operating System
+#if defined(_WIN32)
+    #define LIBHAT_WINDOWS
+#elif defined(linux) || defined(__linux__) || defined(__linux)
+    #define LIBHAT_UNIX
+    #define LIBHAT_LINUX
+#elif defined(__APPLE__) && defined(__MACH__)
+    #define LIBHAT_UNIX
+    #define LIBHAT_MAC
+#else
+    #error Unsupported Operating System
+#endif

include/libhat/c/libhat.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <libhat/Platform.h>
+
 #if defined(LIBHAT_WINDOWS)
     #if defined(LIBHAT_BUILD_SHARED_LIB)
         #define LIBHAT_API __declspec(dllexport)
@@ -74,4 +76,4 @@ LIBHAT_API void libhat_free(void* mem);
 
 #ifdef __cplusplus
 }
-#endif
+#endif