Remove support for DJGPP v1.x (bug#5813).

 src/:
 w16select.c (__dpmi_int): Remove DJGPP v1.x compatibility.
 s/msdos.h: 
 unexec.c (make_hdr, copy_text_and_data): 
 sysdep.c (wait_for_termination, sys_subshell): 
 msdos.c (dos_set_window_size, msdos_set_cursor_shape)
 (IT_set_terminal_modes): 
 (__write, _rename, gethostname, gettimeofday, alarm, fork, kill)
 (dos_ttraw, dos_ttcooked, run_msdos_command, abort): Remove DJGPP
 v1.x code and tests of the value of __DJGPP__.
 (nice, pause, sigsetmask, sigblock): Remove DJGPP v1.x
 compatibility code.
 lread.c: 
 gmalloc.c (memalign): 
 fileio.c (Fcopy_file, check_executable, Ffile_modes): 
 emacs.c (main): 
 dosfns.c (init_dosfns): 
 dired.c (file_name_completion_stat): Remove tests of __DJGPP__.

 msdos/:
 sed3.inp:
 sed2.inp:
 sed1.inp:
 mainmake: Files removed.

1 files changed, 1 insertions, 11 deletions

diff --git a/src/sysdep.c b/src/sysdep.c
index e23f52d92e5..71b2a0f461b 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -90,11 +90,9 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include "msdos.h"
 #include <sys/param.h>
 
-#if __DJGPP__ > 1
 extern int etext;
 extern unsigned start __asm__ ("start");
 #endif
-#endif
 
 #ifndef USE_CRT_DLL
 #ifndef errno
@@ -462,13 +460,7 @@ wait_for_termination (pid)
 #endif /* not POSIX_SIGNALS */
 #endif /* not BSD_SYSTEM, and not HPUX version >= 6 */
 #else /* not subprocesses */
-#if __DJGPP__ > 1
       break;
-#else /* not __DJGPP__ > 1 */
-      if (kill (pid, 0) < 0)
-        break;
-      wait (0);
-#endif /* not __DJGPP__ > 1*/
 #endif /* not subprocesses */
     }
 }
@@ -672,10 +664,8 @@ sys_subshell ()
 
 #ifdef DOS_NT
   pid = 0;
-#if __DJGPP__ > 1
   save_signal_handlers (saved_handlers);
   synch_process_alive = 1;
-#endif /* __DJGPP__ > 1 */
 #else
   pid = vfork ();
   if (pid == -1)
@@ -747,7 +737,7 @@ sys_subshell ()
     }
 
   /* Do this now if we did not do it before.  */
-#if !defined (MSDOS) || __DJGPP__ == 1
+#ifndef MSDOS
   save_signal_handlers (saved_handlers);
   synch_process_alive = 1;
 #endif