Fix warnings in build done by clang-based compiler

[pavel.v.chupin]

Summary

warning: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]

[andrew.w.kaylor]

Looks good to me

llvm/lib/ExecutionEngine/IntelJITEvents/jitprofiling.c

iJIT_RegisterCallbackEx(void *userdata, iJIT_ModeChangedEx
     }
     /* nothing to do with the callback */
 }
 
 /*
  * This function allows the user to query in which mode, if at all, 
  *VTune is running
  */
-ITT_EXTERN_C iJIT_IsProfilingActiveFlags JITAPI iJIT_IsProfilingActive()
+ITT_EXTERN_C iJIT_IsProfilingActiveFlags JITAPI iJIT_IsProfilingActive(void)
 {
     if (!iJIT_DLL_is_missing)
     {
         loadiJIT_Funcs();
     }
 
     return executionMode;
 }
 
 /* this function loads the collector dll (BistroJavaCollector) 
  * and the relevant functions.
  * on success: all functions load,     iJIT_DLL_is_missing = 0, return value = 1
  * on failure: all functions are NULL, iJIT_DLL_is_missing = 1, return value = 0
  */ 
-static int loadiJIT_Funcs()
+static int loadiJIT_Funcs(void)
 {
     static int bDllWasLoaded = 0;
     char *dllName = (char*)rcsid; /* !! Just to avoid unused code elimination */
 #if ITT_PLATFORM==ITT_PLATFORM_WIN
     DWORD dNameLength = 0;
 #endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
 
     if(bDllWasLoaded)
#endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
 
     return 1;
 }
 
 /*
  * This function should be called by the user whenever a thread ends, 
  * to free the thread "virtual stack" storage
  */
-ITT_EXTERN_C void JITAPI FinalizeThread()
+ITT_EXTERN_C void JITAPI FinalizeThread(void)
 {
     if (threadLocalStorageHandle)
     {
 #if ITT_PLATFORM==ITT_PLATFORM_WIN
         pThreadStack threadStack = 
             (pThreadStack)TlsGetValue (threadLocalStorageHandle);
 #else  /* ITT_PLATFORM==ITT_PLATFORM_WIN */
         pThreadStack threadStack = 
#endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
         }
     }
 }
 
 /*
  * This function should be called by the user when the process ends, 
  * to free the local storage index
 */
-ITT_EXTERN_C void JITAPI FinalizeProcess()
+ITT_EXTERN_C void JITAPI FinalizeProcess(void)
 {
     if (m_libHandle) 
     {
 #if ITT_PLATFORM==ITT_PLATFORM_WIN
         FreeLibrary(m_libHandle);
 #else  /* ITT_PLATFORM==ITT_PLATFORM_WIN */
         dlclose(m_libHandle);
 #endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
         m_libHandle = NULL;
     }
 
     if (threadLocalStorageHandle)
 #if ITT_PLATFORM==ITT_PLATFORM_WIN
         TlsFree (threadLocalStorageHandle);
 #else  /* ITT_PLATFORM==ITT_PLATFORM_WIN */
     pthread_key_delete(threadLocalStorageHandle);
 #endif /* ITT_PLATFORM==ITT_PLATFORM_WIN */
 }
 
 /*
  * This function should be called by the user for any method once.
  * The function will return a unique method ID, the user should maintain 
  * the ID for each method
  */
-ITT_EXTERN_C unsigned int JITAPI iJIT_GetNewMethodID()
+ITT_EXTERN_C unsigned int JITAPI iJIT_GetNewMethodID(void)
 {
     static unsigned int methodID = 0x100000;
 
     if (methodID == 0)
         return 0;  /* ERROR : this is not a valid value */
 
     return methodID++;
 }