BUG: Make sure to use the Win32 interface (HINSTANCE) for handling shared lib on cygwin and mingw system

Source/kwsys/CMakeLists.txt

@@ -718,7 +718,9 @@ IF(KWSYS_C_SRCS OR KWSYS_CXX_SRCS)
     ${KWSYS_C_SRCS} ${KWSYS_CXX_SRCS})
   IF(KWSYS_USE_DynamicLoader)
     IF(UNIX)
-      TARGET_LINK_LIBRARIES(${KWSYS_NAMESPACE} ${CMAKE_DL_LIBS})
+      IF(NOT CYGWIN AND NOT MINGW)
+        TARGET_LINK_LIBRARIES(${KWSYS_NAMESPACE} ${CMAKE_DL_LIBS})
+      ENDIF(NOT CYGWIN AND NOT MINGW)
     ENDIF(UNIX)
   ENDIF(KWSYS_USE_DynamicLoader)
 

Source/kwsys/DynamicLoader.cxx

@@ -220,7 +220,7 @@ const char* DynamicLoader::LastError()
 
 // ---------------------------------------------------------------
 // 3. Implementation for Windows win32 code
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__CYGWIN__) || defined(__MINGW32__)
 #include <windows.h>
 #define DYNAMICLOADER_DEFINED 1
 

Source/kwsys/DynamicLoader.hxx.in

@@ -18,7 +18,7 @@
 
 #if defined(__hpux)
   #include <dl.h>
-#elif defined(_WIN32)
+#elif defined(_WIN32) || defined(__CYGWIN__) || defined(__MINGW32__)
   #include <windows.h>
 #elif defined(__APPLE__)
   #include <AvailabilityMacros.h>
@@ -56,7 +56,7 @@ public:
 // They are different on several different OS's
 #if defined(__hpux)
   typedef shl_t LibraryHandle;
-#elif defined(_WIN32)
+#elif defined(_WIN32) || defined(__CYGWIN__) || defined(__MINGW32__)
   typedef HMODULE LibraryHandle;
 #elif defined(__APPLE__)
   #if MAC_OS_X_VERSION_MAX_ALLOWED < 1030