procuding a (non-working) executable for tcc

05/setjmp.h

@@ -1,2 +1,21 @@
-// @NONSTANDARD
-#error "longjmp is not supported."
+#ifndef _SETJMP_H
+#define _SETJMP_H
+
+#include <stdc_common.h>
+
+typedef long jmp_buf[3];
+
+// @NONSTANDARD: we don't actually support setjmp
+
+int setjmp(jmp_buf env) {
+	return 0;
+}
+
+void __longjmp(jmp_buf env, int val, const char *filename, int line) {
+	fprintf(stderr, "Error: Tried to longjmp from %s:%d with value %d\n", filename, line, val);
+	_Exit(-1);
+}
+
+#define longjmp(env, val) __longjmp(env, val, __FILE__, __LINE__)
+
+#endif