Merge C version of decimal into py3k.

configure.in

 dnl ***********************************************
 dnl * Please run autoreconf to test your changes! *
 dnl ***********************************************
 
 # Set VERSION so we only need to edit in one place (i.e., here)
 m4_define(PYTHON_VERSION, 3.3)
 
 AC_PREREQ(2.65)
 
 AC_INIT(python, PYTHON_VERSION, http://bugs.python.org/)
@@ skipping 1316 matching lines @@
 dnl AC_MSG_RESULT($cpp_type)
 
 # checks for header files
 AC_HEADER_STDC
 AC_CHECK_HEADERS(asm/types.h conio.h curses.h direct.h dlfcn.h errno.h \
 fcntl.h grp.h \
 ieeefp.h io.h langinfo.h libintl.h ncurses.h process.h pthread.h \
 sched.h shadow.h signal.h stdint.h stropts.h termios.h \
 unistd.h utime.h \
 poll.h sys/devpoll.h sys/epoll.h sys/poll.h \
-sys/audioio.h sys/xattr.h sys/bsdtty.h sys/event.h sys/file.h sys/loadavg.h \
-sys/lock.h sys/mkdev.h sys/modem.h \
+sys/audioio.h sys/xattr.h sys/bsdtty.h sys/event.h sys/file.h sys/ioctl.h \
+sys/kern_control.h sys/loadavg.h sys/lock.h sys/mkdev.h sys/modem.h \
 sys/param.h sys/select.h sys/sendfile.h sys/socket.h sys/statvfs.h \
-sys/stat.h sys/termio.h sys/time.h \
+sys/stat.h sys/syscall.h sys/sys_domain.h sys/termio.h sys/time.h \
 sys/times.h sys/types.h sys/uio.h sys/un.h sys/utsname.h sys/wait.h pty.h \
 libutil.h sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
 bluetooth/bluetooth.h linux/tipc.h spawn.h util.h)
 AC_HEADER_DIRENT
 AC_HEADER_MAJOR
 
 # On Darwin (OS X) net/if.h requires sys/socket.h to be imported first.
 AC_CHECK_HEADERS([net/if.h], [], [],
 [#include <stdio.h>
 #ifdef STDC_HEADERS
@@ skipping 1228 matching lines @@
  setgid sethostname \
  setlocale setregid setreuid setresuid setresgid setsid setpgid setpgrp setpriority setuid setvbuf \
  sched_get_priority_max sched_setaffinity sched_setscheduler sched_setparam \
  sched_rr_get_interval \
  sigaction sigaltstack siginterrupt sigpending sigrelse \
  sigtimedwait sigwait sigwaitinfo snprintf strftime strlcpy symlinkat sync \
  sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
  truncate uname unlinkat unsetenv utimensat utimes waitid waitpid wait3 wait4 \
  wcscoll wcsftime wcsxfrm writev _getpty)
 
+AC_CHECK_DECL(dirfd,
+    AC_DEFINE(HAVE_DIRFD, 1,
+              Define if you have the 'dirfd' function or macro.), ,
+      [#include <sys/types.h>
+       #include <dirent.h>])
+
 # For some functions, having a definition is not sufficient, since
 # we want to take their address.
 AC_MSG_CHECKING(for chroot)
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=chroot]])],
   [AC_DEFINE(HAVE_CHROOT, 1, Define if you have the 'chroot' function.)
    AC_MSG_RESULT(yes)],
   [AC_MSG_RESULT(no)
 ])
 AC_MSG_CHECKING(for link)
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=link]])],
@@ skipping 21 matching lines @@
 ])
 AC_MSG_CHECKING(for fdatasync)
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <unistd.h>]], [[void *x=fdatasync]])],
   [AC_DEFINE(HAVE_FDATASYNC, 1, Define if you have the 'fdatasync' function.)
    AC_MSG_RESULT(yes)],
   [AC_MSG_RESULT(no)
 ])
 AC_MSG_CHECKING(for epoll)
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/epoll.h>]], [[void *x=epoll_create]])],
   [AC_DEFINE(HAVE_EPOLL, 1, Define if you have the 'epoll' functions.)
+   AC_MSG_RESULT(yes)],
+  [AC_MSG_RESULT(no)
+])
+AC_MSG_CHECKING(for epoll_create1)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/epoll.h>]], [[void *x=epoll_create1]])],
+  [AC_DEFINE(HAVE_EPOLL_CREATE1, 1, Define if you have the 'epoll_create1' function.)
    AC_MSG_RESULT(yes)],
   [AC_MSG_RESULT(no)
 ])
 AC_MSG_CHECKING(for kqueue)
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include <sys/types.h>
 #include <sys/event.h>
     ]], [[int x=kqueue()]])],
   [AC_DEFINE(HAVE_KQUEUE, 1, Define if you have the 'kqueue' functions.)
    AC_MSG_RESULT(yes)],
@@ skipping 1753 matching lines @@
 if test ! -f Modules/Setup.local
 then
         echo "# Edit this file for local setup changes" >Modules/Setup.local
 fi
 
 echo "creating Makefile"
 $SHELL $srcdir/Modules/makesetup -c $srcdir/Modules/config.c.in \
                         -s Modules Modules/Setup.config \
                         Modules/Setup.local Modules/Setup
 mv config.c Modules