cmake/CheckSharedFunctionExists.c

   1 #ifdef CHECK_SHARED_FUNCTION_EXISTS
   2
   3 #ifdef _WIN32
   4 char __declspec(dllimport) CHECK_SHARED_FUNCTION_EXISTS();
   5 #else
   6 char CHECK_SHARED_FUNCTION_EXISTS();
   7 #endif
   8
   9 #ifdef __CLASSIC_C__
  10 int main(){
  11   int ac;
  12   char*av[];
  13 #else
  14 int main(int ac, char*av[]){
  15 #endif
  16   CHECK_SHARED_FUNCTION_EXISTS();
  17   if(ac > 1000)
  18     {
  19     return *av[0];
  20     }
  21   return 0;
  22 }
  23
  24 #else  /* CHECK_SHARED_FUNCTION_EXISTS */
  25
  26 #  error "CHECK_SHARED_FUNCTION_EXISTS has to specify the function"
  27
  28 #endif /* CHECK_SHARED_FUNCTION_EXISTS */