configure: Assume that termios.h is available on Unix.

configure

@@ -8714,12 +8714,6 @@ then :
   printf "%s\n" "#define HAVE_SYSCALL_H 1" >>confdefs.h
 
 fi
-ac_fn_c_check_header_compile "$LINENO" "termios.h" "ac_cv_header_termios_h" "$ac_includes_default"
-if test "x$ac_cv_header_termios_h" = xyes
-then :
-  printf "%s\n" "#define HAVE_TERMIOS_H 1" >>confdefs.h
-
-fi
 ac_fn_c_check_header_compile "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
 if test "x$ac_cv_header_unistd_h" = xyes
 then :

configure.ac

@@ -511,7 +511,6 @@ AC_CHECK_HEADERS(\
 	sys/vnode.h \
 	sys/wait.h \
 	syscall.h \
-	termios.h \
 	unistd.h \
 	utime.h \
 	valgrind/memcheck.h \

dlls/ntdll/unix/serial.c

@@ -31,9 +31,7 @@
 #include <stdlib.h>
 #include <stdarg.h>
 #include <stdio.h>
-#ifdef HAVE_TERMIOS_H
 #include <termios.h>
-#endif
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/stat.h>

include/config.h.in

@@ -751,9 +751,6 @@
 /* Define to 1 if you have the `tcdrain' function. */
 #undef HAVE_TCDRAIN
 
-/* Define to 1 if you have the <termios.h> header file. */
-#undef HAVE_TERMIOS_H
-
 /* Define to 1 if you have the `thr_kill2' function. */
 #undef HAVE_THR_KILL2
 

server/serial.c

@@ -31,14 +31,12 @@
 #include <sys/time.h>
 #include <sys/types.h>
 #include <time.h>
+#include <termios.h>
 #include <unistd.h>
 #include <poll.h>
 #ifdef HAVE_UTIME_H
 #include <utime.h>
 #endif
-#ifdef HAVE_TERMIOS_H
-#include <termios.h>
-#endif
 #ifdef HAVE_SYS_IOCTL_H
 #include <sys/ioctl.h>
 #endif