CMake/Modules/CheckFunctionExists.c

#ifdef CHECK_FUNCTION_EXISTS

char CHECK_FUNCTION_EXISTS();

int main(int ac, char*av[])
{
  int ret = 0;
  CHECK_FUNCTION_EXISTS();
  if(ac > 100)
    {
    ret = *av[0];
    }
  return ret;
}

#else  /* CHECK_FUNCTION_EXISTS */

#  error "CHECK_FUNCTION_EXISTS has to specify the function"

#endif /* CHECK_FUNCTION_EXISTS */
Add two commonly used modules. First one checks if the function exists, the second one checks the size of type 2002-09-20 21:16:50 +04:00			`#ifdef CHECK_FUNCTION_EXISTS`

			`char CHECK_FUNCTION_EXISTS();`

ENH: remove warnings from try compiles 2004-04-14 23:56:39 +04:00			`int main(int ac, char*av[])`
Add two commonly used modules. First one checks if the function exists, the second one checks the size of type 2002-09-20 21:16:50 +04:00			`{`
ENH: remove warnings from try compiles 2004-04-14 23:56:39 +04:00			`int ret = 0;`
Add two commonly used modules. First one checks if the function exists, the second one checks the size of type 2002-09-20 21:16:50 +04:00			`CHECK_FUNCTION_EXISTS();`
ENH: remove warnings from try compiles 2004-04-14 23:56:39 +04:00			`if(ac > 100)`
			`{`
			`ret = *av[0];`
			`}`
			`return ret;`
Add two commonly used modules. First one checks if the function exists, the second one checks the size of type 2002-09-20 21:16:50 +04:00			`}`

			`#else /* CHECK_FUNCTION_EXISTS */`

			`# error "CHECK_FUNCTION_EXISTS has to specify the function"`

			`#endif /* CHECK_FUNCTION_EXISTS */`