* Use patches from upstream issue tracker that fix most compilation issues and the configure script; and * Modify `exp_win.c` and `pty_termios.c` to build properly on Darwin.
···1+diff -ur a/exp_win.c b/exp_win.c
2+--- a/exp_win.c 2018-02-02 14:15:52.000000000 -0500
3++++ b/exp_win.c 2023-10-10 07:47:33.082690432 -0400
4+@@ -39,7 +39,8 @@
5+ /* Sigh. On AIX 2.3, termios.h exists but does not define TIOCGWINSZ */
6+ /* Instead, it has to come from ioctl.h. However, As I said above, this */
7+ /* can't be cavalierly included on all machines, even when it exists. */
8+-#if defined(HAVE_TERMIOS) && !defined(HAVE_TIOCGWINSZ_IN_TERMIOS_H)
9++/* Darwin also has termios.h, but it requires ioctl.h for `ioctl`. */
10++#if defined(HAVE_TERMIOS) && (defined(__APPLE__) || !defined(HAVE_TIOCGWINSZ_IN_TERMIOS_H))
11+ # include <sys/ioctl.h>
12+ #endif
13+14+diff -ur d/pty_termios.c c/pty_termios.c
15+--- d/pty_termios.c 2023-10-10 07:59:23.244452442 -0400
16++++ c/pty_termios.c 2023-10-10 08:00:35.303231582 -0400
17+@@ -7,7 +7,13 @@
18+19+ */
20+21+-#include <pty.h> /* openpty */
22++/* openpty */
23++#ifdef __APPLE__
24++#include <util.h>
25++#else /* pty.h is Linux-specific */
26++#include <pty.h>
27++#endif
28++
29+ #include <stdio.h>
30+ #include <signal.h>
31+