openal-soft-1.13/cmake/CheckSharedFunctionExists.c

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2022-12-02 14:51:59 +08:00
#ifdef CHECK_SHARED_FUNCTION_EXISTS
#include <stdlib.h>
#ifndef CALLSTACK
#define CALLSTACK
#endif
#ifdef _WIN32
#ifdef ARGSTACK
char __stdcall CHECK_SHARED_FUNCTION_EXISTS(ARGSTACK);
#else
char __stdcall CHECK_SHARED_FUNCTION_EXISTS(void);
#endif
#else
char CHECK_SHARED_FUNCTION_EXISTS();
#endif
#ifdef __CLASSIC_C__
int main(){
int ac;
char*av[];
#else
int main(int ac, char*av[]){
#endif
CHECK_SHARED_FUNCTION_EXISTS(CALLSTACK);
if(ac > 1000)
{
return *av[0];
}
return 0;
}
#else /* CHECK_SHARED_FUNCTION_EXISTS */
# error "CHECK_SHARED_FUNCTION_EXISTS has to specify the function"
#endif /* CHECK_SHARED_FUNCTION_EXISTS */