#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include "Config/unistd.h" /* provides definition of execve */
+
+#include "llvm/Config/config.h"
+
+#if defined(HAVE_UNISTD_H) && !defined(_MSC_VER)
+#include <unistd.h>
+#endif
+
+#ifdef _WIN32
+#include <process.h>
+#include <io.h>
+#endif
int main(int argc, char** argv) {
const char *Interp = getenv("LLVMINTERP");