[docopt_c.py] Fix macOS support; [test/docopt.h] Regenerate

Author: SamuelMarks

docopt_c.py

@@ -105,6 +105,12 @@
 
 #include <sys/param.h>
 
+#if defined(__APPLE__) || defined(__APPLE_CC__)
+/* ARG_MAX gives a segfault on macOS when used for array size below */
+#undef ARG_MAX
+#undef NCARGS
+#endif
+
 #else
 
 #include <limits.h>

test/docopt.h

@@ -62,6 +62,12 @@ typedef size_t bool;
 
 #include <sys/param.h>
 
+#if defined(__APPLE__) || defined(__APPLE_CC__)
+/* ARG_MAX gives a segfault on macOS when used for array size below */
+#undef ARG_MAX
+#undef NCARGS
+#endif
+
 #else
 
 #include <limits.h>