diff --git a/include/libbb.h b/include/libbb.h
index 90b566abd..8385707ab 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -35,6 +35,16 @@
 #undef basename
 #define basename dont_use_basename
 #include "poll.h"
+/* Don't include termios.h in GNO because termios isn't actually implemented,
+ * but the header has a define for ECHO that conflicts with the one needed for
+ * the ioctls that we use instead.  Do define USE_OLD_TTY before including
+ * <sys/ioctl.h>, which is needed to get defines for those ioctls.
+ */
+#ifndef __GNO__
+# include <termios.h>
+#else
+# define USE_OLD_TTY
+#endif
 #include <sys/ioctl.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
@@ -44,7 +54,6 @@
 # include <sys/sysmacros.h>
 #endif
 #include <sys/wait.h>
-#include <termios.h>
 #include <time.h>
 #include <sys/param.h>
 #include <pwd.h>
@@ -119,9 +128,6 @@
 #ifndef HAVE_FDATASYNC
 # define fdatasync fsync
 #endif
-#ifndef HAVE_XTABS
-# define XTABS TAB3
-#endif
 
 
 /* Some libc's forget to declare these, do it ourself */
@@ -1115,8 +1121,6 @@ extern int match_fstype(const struct mntent *mt, const char *fstypes) FAST_FUNC;
 extern struct mntent *find_mount_point(const char *name, int subdir_too) FAST_FUNC;
 #endif
 extern void erase_mtab(const char * name) FAST_FUNC;
-extern unsigned int tty_baud_to_value(speed_t speed) FAST_FUNC;
-extern speed_t tty_value_to_baud(unsigned int value) FAST_FUNC;
 #if ENABLE_DESKTOP
 extern void bb_warn_ignoring_args(char *arg) FAST_FUNC;
 #else
@@ -1269,7 +1273,9 @@ char *xmalloc_ttyname(int fd) FAST_FUNC RETURNS_MALLOC;
 /* NB: typically you want to pass fd 0, not 1. Think 'applet | grep something' */
 int get_terminal_width_height(int fd, unsigned *width, unsigned *height) FAST_FUNC;
 
+#ifndef __GNO__
 int tcsetattr_stdin_TCSANOW(const struct termios *tp) FAST_FUNC;
+#endif
 
 /* NB: "unsigned request" is crucial! "int request" will break some arches! */
 int ioctl_or_perror(int fd, unsigned request, void *argp, const char *fmt,...) __attribute__ ((format (printf, 4, 5))) FAST_FUNC;
diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 8bf0abd8b..b7bf7f6e9 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -2247,14 +2247,24 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman
 #if ENABLE_FEATURE_EDITING_VI
 	smallint vi_cmdmode = 0;
 #endif
+#ifndef __GNO__
 	struct termios initial_settings;
 	struct termios new_settings;
+#else
+	struct sgttyb initial_settings;
+	struct sgttyb new_settings;
+#endif
 	char read_key_buffer[KEYCODE_BUFFER_SIZE];
 
 	INIT_S();
 
+#ifndef __GNO__
 	if (tcgetattr(STDIN_FILENO, &initial_settings) < 0
 	 || !(initial_settings.c_lflag & ECHO)
+#else
+	if (ioctl(STDIN_FILENO, TIOCGETP, &initial_settings) < 0
+	 || !(initial_settings.sg_flags & ECHO)
+#endif
 	) {
 		/* Happens when e.g. stty -echo was run before */
 		parse_and_put_prompt(prompt);
@@ -2298,6 +2308,7 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman
 #define command command_must_not_be_used
 
 	new_settings = initial_settings;
+#ifndef __GNO__
 	/* ~ICANON: unbuffered input (most c_cc[] are disabled, VMIN/VTIME are enabled) */
 	/* ~ECHO, ~ECHONL: turn off echoing, including newline echoing */
 	/* ~ISIG: turn off INTR (ctrl-C), QUIT, SUSP */
@@ -2310,6 +2321,11 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman
 	/* Turn off CTRL-C */
 	/* new_settings.c_cc[VINTR] = _POSIX_VDISABLE; */
 	tcsetattr_stdin_TCSANOW(&new_settings);
+#else
+	new_settings.sg_flags |= CBREAK;
+	new_settings.sg_flags &= ~ECHO;
+	ioctl(STDIN_FILENO, TIOCSETN, &new_settings);
+#endif
 
 #if ENABLE_USERNAME_OR_HOMEDIR
 	{
@@ -2682,8 +2698,12 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman
 			break;
 
 		default:
+#ifndef __GNO__
 			if (initial_settings.c_cc[VINTR] != 0
 			 && ic_raw == initial_settings.c_cc[VINTR]
+#else
+			if (ic_raw == CINTR
+#endif
 			) {
 				/* Ctrl-C (usually) - stop gathering input */
 				goto_new_line();
@@ -2691,8 +2711,12 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman
 				break_out = -1; /* "do not append '\n'" */
 				break;
 			}
+#ifndef __GNO__
 			if (initial_settings.c_cc[VEOF] != 0
 			 && ic_raw == initial_settings.c_cc[VEOF]
+#else
+			if (ic_raw == CEOF
+#endif
 			) {
 				/* Ctrl-D (usually) - delete one character,
 				 * or exit if len=0 and no chars to delete */
@@ -2806,7 +2830,11 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman
 #endif
 
 	/* restore initial_settings */
+#ifndef __GNO__
 	tcsetattr_stdin_TCSANOW(&initial_settings);
+#else
+	ioctl(STDIN_FILENO, TIOCSETN, &initial_settings);
+#endif
 	/* restore SIGWINCH handler */
 	signal(SIGWINCH, previous_SIGWINCH_handler);
 	fflush_all();
diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index 6021ecb8d..ca397972c 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -277,10 +277,12 @@ int FAST_FUNC get_terminal_width_height(int fd, unsigned *width, unsigned *heigh
 	return err;
 }
 
+#ifndef __GNO__
 int FAST_FUNC tcsetattr_stdin_TCSANOW(const struct termios *tp)
 {
 	return tcsetattr(STDIN_FILENO, TCSANOW, tp);
 }
+#endif
 
 pid_t FAST_FUNC safe_waitpid(pid_t pid, wait_status_t *wstat, int options)
 {
diff --git a/shell/shell.common.c b/shell/shell.common.c
index 8a3f9a210..51af67b79 100644
--- a/shell/shell.common.c
+++ b/shell/shell.common.c
@@ -62,7 +62,11 @@ shell_builtin_read(void FAST_FUNC (*setvar)(const char *name, const char *val),
 	int nchars; /* -n NUM */
 	char **pp;
 	char *buffer;
+#ifndef __GNO__
 	struct termios tty, old_tty;
+#else
+	struct sgttyb tty, old_tty;
+#endif
 	const char *retval;
 	int bufpos; /* need to be able to hold -1 */
 	int startword;
@@ -134,9 +138,14 @@ shell_builtin_read(void FAST_FUNC (*setvar)(const char *name, const char *val),
 		ifs = defifs;
 
 	if (nchars || (read_flags & BUILTIN_READ_SILENT)) {
+#ifndef __GNO__
 		tcgetattr(fd, &tty);
+#else
+		ioctl(fd, TIOCGETP, &tty);
+#endif
 		old_tty = tty;
 		if (nchars) {
+#ifndef __GNO__
 			tty.c_lflag &= ~ICANON;
 			// Setting it to more than 1 breaks poll():
 			// it blocks even if there's data. !??
@@ -145,15 +154,26 @@ shell_builtin_read(void FAST_FUNC (*setvar)(const char *name, const char *val),
 			tty.c_cc[VMIN] = 1;
 			/* no timeout (reads block forever) */
 			tty.c_cc[VTIME] = 0;
+#else
+			tty.sg_flags |= CBREAK;
+#endif
 		}
 		if (read_flags & BUILTIN_READ_SILENT) {
+#ifndef __GNO__
 			tty.c_lflag &= ~(ECHO | ECHOK | ECHONL);
+#else
+			tty.sg_flags &= ~ECHO;
+#endif
 		}
 		/* This forces execution of "restoring" tcgetattr later */
 		read_flags |= BUILTIN_READ_SILENT;
 		/* if tcgetattr failed, tcsetattr will fail too.
 		 * Ignoring, it's harmless. */
+#ifndef __GNO__
 		tcsetattr(fd, TCSANOW, &tty);
+#else
+		ioctl(fd, TIOCSETN, &tty);
+#endif
 	}
 
 	retval = (const char *)(uintptr_t)0;
@@ -267,7 +287,11 @@ shell_builtin_read(void FAST_FUNC (*setvar)(const char *name, const char *val),
  ret:
 	free(buffer);
 	if (read_flags & BUILTIN_READ_SILENT)
+#ifndef __GNO__
 		tcsetattr(fd, TCSANOW, &old_tty);
+#else
+		ioctl(fd, TIOCSETN, &old_tty);
+#endif
 
 	errno = err;
 	return retval;