reset newlib for diff

os3-toolchain/newlib/newlib-4.4.0.20231231/newlib/configure

@@ -779,8 +779,6 @@ HAVE_LIBC_SYS_XTENSA_DIR_FALSE
 HAVE_LIBC_SYS_XTENSA_DIR_TRUE
 HAVE_LIBC_SYS_W65_DIR_FALSE
 HAVE_LIBC_SYS_W65_DIR_TRUE
-HAVE_LIBC_SYS_OS3_DIR_FALSE
-HAVE_LIBC_SYS_OS3_DIR_TRUE
 HAVE_LIBC_SYS_TIRTOS_DIR_FALSE
 HAVE_LIBC_SYS_TIRTOS_DIR_TRUE
 HAVE_LIBC_SYS_TIC80_DIR_FALSE
@@ -5513,13 +5511,6 @@ fi
 else
   HAVE_LIBC_SYS_W65_DIR_TRUE='#'
   HAVE_LIBC_SYS_W65_DIR_FALSE=
-fi
- if test "${sys_dir}" = os3; then
-  HAVE_LIBC_SYS_OS3_DIR_TRUE=
-  HAVE_LIBC_SYS_OS3_DIR_FALSE='#'
-else
-  HAVE_LIBC_SYS_OS3_DIR_TRUE='#'
-  HAVE_LIBC_SYS_OS3_DIR_FALSE=
 fi
  if test "${sys_dir}" = xtensa; then
   HAVE_LIBC_SYS_XTENSA_DIR_TRUE=
@@ -7708,10 +7699,6 @@ if test -z "${HAVE_LIBC_SYS_W65_DIR_TRUE}" && test -z "${HAVE_LIBC_SYS_W65_DIR_F
   as_fn_error $? "conditional \"HAVE_LIBC_SYS_W65_DIR\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
-if test -z "${HAVE_LIBC_SYS_OS3_DIR_TRUE}" && test -z "${HAVE_LIBC_SYS_OS3_DIR_FALSE}"; then
-  as_fn_error $? "conditional \"HAVE_LIBC_SYS_OS#_DIR\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
 if test -z "${HAVE_LIBC_SYS_XTENSA_DIR_TRUE}" && test -z "${HAVE_LIBC_SYS_XTENSA_DIR_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_LIBC_SYS_XTENSA_DIR\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5

os3-toolchain/newlib/newlib-4.4.0.20231231/newlib/configure.host

@@ -426,9 +426,6 @@ fi
 # THIS TABLE IS ALPHA SORTED.  KEEP IT THAT WAY.
 
 case "${host}" in
-  *-*-os3*)
-    sys_dir=os3
-    ;;
   *-*-cygwin*)
 	posix_dir=posix
 	xdr_dir=xdr

os3-toolchain/newlib/newlib-4.4.0.20231231/newlib/libc/acinclude.m4

@@ -25,7 +25,6 @@ m4_foreach_w([SYS_DIR], [
   w65
   xtensa
   z8ksim
-  os3
 ], [AM_CONDITIONAL([HAVE_LIBC_SYS_]m4_toupper(SYS_DIR)[_DIR], test "${sys_dir}" = SYS_DIR)])
 
 AC_TYPE_LONG_DOUBLE

os3-toolchain/newlib/newlib-4.4.0.20231231/newlib/libc/sys/Makefile.inc

@@ -70,6 +70,3 @@ endif
 if HAVE_LIBC_SYS_Z8KSIM_DIR
 include %D%/z8ksim/Makefile.inc
 endif
-if HAVE_LIBC_SYS_OS3_DIR
-include %D%/os3/Makefile.inc
-endif

os3-toolchain/newlib/newlib-4.4.0.20231231/newlib/libc/sys/os3/Makefile.inc

@@ -1 +0,0 @@
-libc_a_SOURCES += %D%/crt0.c %D%/syscalls.c

os3-toolchain/newlib/newlib-4.4.0.20231231/newlib/libc/sys/os3/crt0.c

@@ -1,9 +0,0 @@
-#include <fcntl.h>
- 
-extern void exit(int code);
-extern int main ();
- 
-void _start() {
-    int ex = main();
-    exit(ex);
-}

os3-toolchain/newlib/newlib-4.4.0.20231231/newlib/libc/sys/os3/syscalls.c

@@ -1,29 +0,0 @@
-/* note these headers are all provided by newlib - you don't need to provide them */
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/fcntl.h>
-#include <sys/times.h>
-#include <sys/errno.h>
-#include <sys/time.h>
-#include <stdio.h>
- 
-void _exit(){}
-int close(int file){}
-char **environ; /* pointer to array of char * strings that define the current environment variables */
-int execve(char *name, char **argv, char **env){}
-int fork(){}
-int fstat(int file, struct stat *st){}
-int getpid(){}
-int isatty(int file){}
-int kill(int pid, int sig){}
-int link(char *old, char *new){}
-int lseek(int file, int ptr, int dir){}
-int open(const char *name, int flags, ...){}
-int read(int file, char *ptr, int len){}
-caddr_t sbrk(int incr){}
-int stat(const char *file, struct stat *st){}
-clock_t times(struct tms *buf){}
-int unlink(char *name){}
-int wait(int *status){}
-int write(int file, char *ptr, int len){}
-int gettimeofday(struct timeval * restrict p, void * restrict z){}