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, 9 deletions

diff --git a/src/gmalloc.c b/src/gmalloc.c
index f1be37ba348..6445c56e6d4 100644
--- a/src/gmalloc.c
+++ b/src/gmalloc.c
@@ -122,7 +122,7 @@ extern __ptr_t calloc PP ((__malloc_size_t __nmemb, __malloc_size_t __size));
 extern void free PP ((__ptr_t __ptr));
 
 /* Allocate SIZE bytes allocated to ALIGNMENT bytes.  */
-#if ! (defined (_MALLOC_INTERNAL) && __DJGPP__ - 0 == 1) /* Avoid conflict.  */
+#if !defined (_MALLOC_INTERNAL) || defined (MSDOS) /* Avoid conflict.  */
 extern __ptr_t memalign PP ((__malloc_size_t __alignment,
                              __malloc_size_t __size));
 extern int posix_memalign PP ((__ptr_t *, __malloc_size_t,
@@ -1763,13 +1763,6 @@ Fifth Floor, Boston, MA 02110-1301, USA.  */
 #include <malloc.h>
 #endif
 
-#if __DJGPP__ - 0 == 1
-
-/* There is some problem with memalign in DJGPP v1 and we are supposed
-   to omit it.  Noone told me why, they just told me to do it.  */
-
-#else
-
 __ptr_t (*__memalign_hook) PP ((__malloc_size_t __size,
                                 __malloc_size_t __alignment));
 
@@ -1878,7 +1871,6 @@ posix_memalign (memptr, alignment, size)
   return 0;
 }
 
-#endif /* Not DJGPP v1 */
 /* Allocate memory on a page boundary.
    Copyright (C) 1991, 92, 93, 94, 96 Free Software Foundation, Inc.