GNU compilation of SoundTouchDll that has easy function importing interfaces for java, mono etc

source/SoundTouchDLL/SoundTouchDLL.cpp

@@ -34,23 +34,16 @@
 //
 ////////////////////////////////////////////////////////////////////////////////
 
-#include <windows.h>
-#include <string.h>
-#include "SoundTouchDLL.h"
-#include "soundtouch.h"
 
-using namespace soundtouch;
+#if defined(_WIN32) || defined(WIN32)
+    #include <windows.h>
 
-#ifdef SOUNDTOUCH_INTEGER_SAMPLES
+    // DLL main in Windows compilation
-    #error "error - compile the dll version with float samples"
+    BOOL APIENTRY DllMain( HANDLE hModule,
-#endif // SOUNDTOUCH_INTEGER_SAMPLES
-
-
-BOOL APIENTRY DllMain( HANDLE hModule, 
                            DWORD  ul_reason_for_call,
                            LPVOID lpReserved
                          )
-{
+    {
         switch (ul_reason_for_call)
         {
         case DLL_PROCESS_ATTACH:
@@ -60,8 +53,19 @@ BOOL APIENTRY DllMain( HANDLE hModule,
             break;
         }
         return TRUE;
-}
+    }
+#endif
 
+#include <limits.h>
+#include <string.h>
+#include "SoundTouchDLL.h"
+#include "SoundTouch.h"
+
+using namespace soundtouch;
+
+#ifdef SOUNDTOUCH_INTEGER_SAMPLES
+    #error "error - compile the dll version with float samples"
+#endif // SOUNDTOUCH_INTEGER_SAMPLES
 
 //////////////
 

source/SoundTouchDLL/SoundTouchDLL.h

@@ -37,24 +37,37 @@
 #ifndef _SoundTouchDLL_h_
 #define _SoundTouchDLL_h_
 
-#ifdef __cplusplus
+#if defined(_WIN32) || defined(WIN32)
+    // Windows
+    #ifndef __cplusplus
+        #error "Expected g++"
+    #endif
 
-#ifdef DLL_EXPORTS
+    #ifdef DLL_EXPORTS
         #define SOUNDTOUCHDLL_API extern "C" __declspec(dllexport)
-#else
+    #else
         #define SOUNDTOUCHDLL_API extern "C" __declspec(dllimport)
-#endif
+    #endif
 
 #else
+    // GNU version
+
+    #ifdef DLL_EXPORTS
+        // GCC declaration for exporting functions
+        #define SOUNDTOUCHDLL_API extern "C" __attribute__((__visibility__("default")))
+    #else
+        // GCC doesn't require DLL imports
+        #define SOUNDTOUCHDLL_API
+    #endif
+
+    // Linux-replacements for Windows declarations:
+    #define __cdecl
+    typedef unsigned int DWORD;
+    #define FALSE    0
+    #define TRUE    1
 
-#ifdef DLL_EXPORTS
-    #define SOUNDTOUCHDLL_API __declspec(dllexport)
-#else
-    #define SOUNDTOUCHDLL_API __declspec(dllimport)
 #endif
 
-#endif // __cplusplus
-
 typedef void * HANDLE;
 
 /// Create a new instance of SoundTouch processor.

source/SoundTouchDLL/make-gnu-dll.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+#
+# This script compiles SoundTouch dynamic-link library for GNU environment 
+# with wrapper functions that are easier to import to Java / Mono / etc
+#
+
+g++ -fPIC -shared -DDLL_EXPORTS -fvisibility=hidden -I../../include -o SoundTouchDll.so \
+     SoundTouchDLL.cpp ../SoundTouch/*.cpp -I../SoundTouch -O3 -msse