Fix build on systems without <termios.h>

* bootstrap.conf (gnulib_modules): Add termios.
* src/man.c (get_term): Replace with a no-op stub if the system has no
`<termios.h>` (Gnulib tests for it and can replace some functions, but
its replacement isn't sufficient here).

2 files changed, 7 insertions, 0 deletions

diff --git a/bootstrap.conf b/bootstrap.conf
index dc8e4792..203d6951 100644
--- a/bootstrap.conf
+++ b/bootstrap.conf
@@ -75,6 +75,7 @@ gnulib_modules="
   strerror
   strsep
   tempname
+  termios
   timespec
   unlinkat
   utimens
diff --git a/src/man.c b/src/man.c
index a1d0a63c..c938279f 100644
--- a/src/man.c
+++ b/src/man.c
@@ -640,6 +640,7 @@ static void gripe_no_name (const char *sect)
 	exit (FAIL);
 }
 
+#ifdef HAVE_TERMIOS_H
 static struct termios tms;
 static int tms_set = 0;
 static pid_t tms_pid = 0;
@@ -669,6 +670,11 @@ static void get_term (void)
 		}
 	}
 }
+#else /* !HAVE_TERMIOS_H */
+static void get_term (void)
+{
+}
+#endif /* HAVE_TERMIOS_H */
 
 #if defined(TROFF_IS_GROFF) || defined(HEIRLOOM_NROFF)
 static int get_roff_line_length (void)