diff -ruwN source-old/src/pty.cc source/src/pty.cc
--- source-old/src/pty.cc	2025-10-11 14:43:24.000000000 -0600
+++ source/src/pty.cc	2025-11-17 17:54:03.387095202 -0700
@@ -222,7 +222,7 @@
         if (peer_fd == -1)
                 _exit(127);
 
-#ifdef TIOCSCTTY
+#if defined(TIOCSCTTY) && !defined(__redox__)
         /* On linux, opening the PTY peer above already made it our controlling TTY (since
          * previously there was none, after the setsid() call). However, it appears that e.g.
          * on *BSD, that doesn't happen, so we need this explicit ioctl here.
diff -ruwN source-old/src/spawn.cc source/src/spawn.cc
--- source-old/src/spawn.cc	2025-10-11 14:43:24.000000000 -0600
+++ source/src/spawn.cc	2025-11-17 17:53:20.394044419 -0700
@@ -409,7 +409,7 @@
         if (peer_fd == -1)
                 return ExecError::GETPTPEER;
 
-#ifdef TIOCSCTTY
+#if defined(TIOCSCTTY) && !defined(__redox__)
         /* On linux, opening the PTY peer above already made it our controlling TTY (since
          * previously there was none, after the setsid() call). However, it appears that e.g.
          * on *BSD, that doesn't happen, so we need this explicit ioctl here.
diff -ruwN source-old/src/vte.cc source/src/vte.cc
--- source-old/src/vte.cc	2025-10-11 14:43:24.000000000 -0600
+++ source/src/vte.cc	2025-11-17 17:54:44.394149937 -0700
@@ -19,7 +19,9 @@
 #include "config.h"
 
 #include <math.h>
+#if !defined(__redox__)
 #include <search.h>
+#endif
 #include <stdlib.h>
 #include <string.h>
 #include <sys/ioctl.h>
diff -ruwN source-old/src/vteseq.cc source/src/vteseq.cc
--- source-old/src/vteseq.cc	2025-10-11 14:43:24.000000000 -0600
+++ source/src/vteseq.cc	2025-11-17 17:59:27.278790468 -0700
@@ -19,7 +19,9 @@
 
 #include "config.h"
 
+#if !defined(__redox__)
 #include <search.h>
+#endif
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
diff -ruwN source-old/src/widget.cc source/src/widget.cc
--- source-old/src/widget.cc	2025-10-11 14:43:24.000000000 -0600
+++ source/src/widget.cc	2025-11-17 18:22:10.229089619 -0700
@@ -927,6 +927,9 @@
         }
 
         if (m_terminal->terminate_child()) {
+                #ifndef W_EXITCODE
+                #define W_EXITCODE(ret, sig) ((ret) << 8 | (sig))
+                #endif
                 int status = W_EXITCODE(0, SIGKILL);
                 emit_child_exited(status);
         }