X-Git-Url: https://git.hcoop.net/bpt/emacs.git/blobdiff_plain/1890c0c425de528d5c2c6373fa51e9876d63ca5d..3e0b7b44a8ab678c575f840cf1b51376183e42df:/configure.in

diff --git a/configure.in b/configure.in
index 28c1e7f69d..9e9321a3fe 100644
--- a/configure.in
+++ b/configure.in
@@ -3,7 +3,8 @@ dnl To rebuild the `configure' script from this, execute the command
 dnl 	autoconf
 dnl in the directory containing this script.
 dnl
-dnl  Copyright (C) 1994, 1995, 1996, 1999, 2000 Free Software Foundation, Inc.
+dnl  Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002
+dnl  Free Software Foundation, Inc.
 dnl
 dnl  This file is part of GNU Emacs.
 dnl
@@ -22,10 +23,14 @@ dnl  along with GNU Emacs; see the file COPYING.  If not, write to the
 dnl  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 dnl  Boston, MA 02111-1307, USA.
 
-AC_PREREQ(2.8)dnl
+AC_PREREQ(2.54)dnl
 AC_INIT(src/lisp.h)
 AC_CONFIG_HEADER(src/config.h:src/config.in)
 
+dnl Support for --program-prefix, --program-suffix and
+dnl --program-transform-name options
+AC_ARG_PROGRAM
+
 lispdir='${datadir}/emacs/${version}/lisp'
 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
 '${datadir}/emacs/site-lisp:${datadir}/emacs/${version}/leim'
@@ -33,6 +38,9 @@ lisppath='${locallisppath}:${lispdir}'
 etcdir='${datadir}/emacs/${version}/etc'
 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
 docdir='${datadir}/emacs/${version}/etc'
+gamedir='${localstatedir}/games/emacs'
+
+gameuser=games
 
 AC_ARG_WITH(gcc,
 [  --without-gcc           don't use GCC to compile Emacs if GCC is found])
@@ -43,9 +51,12 @@ AC_ARG_WITH(pop,
 else :
 fi],
 AC_DEFINE(MAIL_USE_POP))
+AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
 AC_ARG_WITH(kerberos,
 [  --with-kerberos         support Kerberos-authenticated POP],
 [AC_DEFINE(KERBEROS)])
+AH_TEMPLATE(KERBEROS,
+	    [Define to support Kerberos-authenticated POP mail retrieval.])dnl
 AC_ARG_WITH(kerberos5,
 [  --with-kerberos5        support Kerberos version 5 authenticated POP],
 [if test "${with_kerberos5+set}" = set; then
@@ -54,10 +65,14 @@ AC_ARG_WITH(kerberos5,
     AC_DEFINE(KERBEROS)
   fi
 fi
-AC_DEFINE(KERBEROS5)])
+AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])])
 AC_ARG_WITH(hesiod,
 [  --with-hesiod           support Hesiod to get the POP server host],
-[AC_DEFINE(HESIOD)])
+[AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])])
+
+AC_ARG_WITH(sound,
+[  --without-sound         don't compile with sound support])
+
 dnl This should be the last --with option, because --with-x is
 dnl added later on when we find the path of X, and it's best to
 dnl keep them together visually.
@@ -73,11 +88,11 @@ dnl These don't currently work.
 dnl	    o | op | ope | open | open- | open-l | open-lo \
 dnl		| open-loo | open-look )	val=open-look ;;
 	    * )
-dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
-dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
-AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
-this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
-Currently, \`yes', \`athena' and \`lucid' are synonyms.])
+dnl AC_MSG_ERROR([the `--with-x-toolkit' option is supposed to have a value
+dnl which is `yes', `no', `lucid', `athena', `motif' or `open-look'.])
+AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid\;
+this option's value should be `yes', `no', `lucid', `athena', or `motif'.
+Currently, `yes', `athena' and `lucid' are synonyms.])
 	    ;;
 	  esac
 	  with_x_toolkit=$val
@@ -94,9 +109,11 @@ AC_ARG_WITH(png,
 [  --with-png              use -lpng for displaying PNG images])
 AC_ARG_WITH(toolkit-scroll-bars,
 [  --without-toolkit-scroll-bars
-                           don't use Motif or Xaw3d scroll bars])
+                          don't use Motif or Xaw3d scroll bars])
 AC_ARG_WITH(xim,
-[  --without-xim	   don't use X11 XIM])
+[  --without-xim           don't use X11 XIM])
+AC_ARG_WITH(carbon,
+[  --without-carbon        don't use Carbon GUI on Mac OS X])
 
 #### Make srcdir absolute, if it isn't already.  It's important to
 #### avoid running the path through pwd unnecessarily, since pwd can
@@ -109,7 +126,10 @@ case "${srcdir}" in
   . )
     ## We may be able to use the $PWD environment variable to make this
     ## absolute.  But sometimes PWD is inaccurate.
-    if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".${PWD}"  ;
+    ## Note: we used to use ${PWD} at the end instead of `pwd`,
+    ## but that tested only for a well-formed and valid PWD,
+    ## it did not object when PWD was well-formed and valid but just wrong.
+    if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`"  ;
     then
       srcdir="$PWD"
     else
@@ -122,23 +142,21 @@ esac
 #### Check if the source directory already has a configured system in it.
 if test `pwd` != `(cd ${srcdir} && pwd)` \
    && test -f "${srcdir}/src/config.h" ; then
-  AC_MSG_WARN([The directory tree \`${srcdir}' is being used
+  AC_MSG_WARN([[The directory tree `${srcdir}' is being used
    as a build directory right now; it has been configured in its own
    right.  To configure in another directory as well, you MUST
    use GNU make.  If you do not have GNU make, then you must
-   now do \`make distclean' in ${srcdir},
-   and then run $0 again.])
+   now do `make distclean' in ${srcdir},
+   and then run $0 again.]])
 
-changequote(, )dnl
-  extrasub='/^VPATH[	 ]*=/c\
-changequote([, ])dnl
+[extrasub='/^VPATH[	 ]*=/c\
 vpath %.c $(srcdir)\
 vpath %.h $(srcdir)\
 vpath %.y $(srcdir)\
 vpath %.l $(srcdir)\
 vpath %.s $(srcdir)\
 vpath %.in $(srcdir)\
-vpath %.texi $(srcdir)'
+vpath %.texi $(srcdir)']
 fi
 
 #### Given the configuration name, set machfile and opsysfile to the
@@ -148,9 +166,13 @@ fi
 
 AC_CANONICAL_HOST
 canonical=$host
-configuration=$host_alias
+configuration=${host_alias-$host}
 
-changequote(, )dnl
+dnl This used to use changequote, but, apart from `changequote is evil'
+dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
+dnl the great gob of text.  Thus it's not processed for possible expansion.
+dnl Just make sure the brackets remain balanced.
+[
 
 ### If you add support for a new configuration, add code to this
 ### switch statement to recognize your configuration name and select
@@ -178,6 +200,15 @@ changequote(, )dnl
 machine='' opsys='' unported=no
 case "${canonical}" in
 
+  ## FreeBSD ports
+  *-*-freebsd* )
+    opsys=freebsd
+    case "${canonical}" in
+      alpha*-*-freebsd*)	machine=alpha ;;
+      i[3456]86-*-freebsd*)	machine=intel386 ;;
+    esac
+  ;;
+
   ## NetBSD ports
   *-*-netbsd* )
     opsys=netbsd
@@ -190,9 +221,10 @@ case "${canonical}" in
       powerpc-apple-netbsd*) machine=macppc ;;
       mips-*-netbsd*)	machine=pmax ;;
       mipsel-*-netbsd*)	machine=pmax ;;
+      mipseb-*-netbsd*)	machine=pmax ;;
       ns32k-*-netbsd*)	machine=ns32000 ;;
       powerpc-*-netbsd*) machine=macppc ;;
-      sparc-*-netbsd*)	machine=sparc ;;
+      sparc*-*-netbsd*)	machine=sparc ;;
       vax-*-netbsd*)	machine=vax ;;
       arm-*-netbsd*)	machine=arm ;;
     esac
@@ -228,14 +260,14 @@ case "${canonical}" in
     case "${canonical}" in
       i[345]86-*-bsdi*) machine=intel386 ;;
       sparc-*-bsdi*)  machine=sparc ;;
-      powerpc-*-bsdi*)  machine=powerpc ;;
+      powerpc-*-bsdi*)  machine=macppc ;;
     esac
     case "${canonical}" in
       *-*-bsd386* | *-*-bsdi1* )	opsys=bsd386 ;;
       *-*-bsdi2.0* )		opsys=bsdos2 ;;
       *-*-bsdi2* )		opsys=bsdos2-1 ;;
       *-*-bsdi3* )		opsys=bsdos3 ;;
-      *-*-bsdi4* )		opsys=bsdos4 ;;
+      *-*-bsdi[45]* )		opsys=bsdos4 ;;
     esac
   ;;
 
@@ -258,13 +290,13 @@ case "${canonical}" in
     # This is needed to find X11R6.1 libraries for certain tests.
     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
-    # This is necessary on 5.0 to avoid mangling src/Makefile due to
-    # non-traditional preprocessing with the current compiler defaults.
-    # OSF 4 can also have that compiler version, and there seems always
-    # to have been a usable /usr/bin/cpp.
-    NON_GNU_CPP='cpp'
+    # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
+    # due to non-traditional preprocessing with the current compiler
+    # defaults.  OSF 4 can also have that compiler version, and there
+    # seems always to have been a usable /usr/bin/cpp.
+    NON_GNU_CPP=/usr/bin/cpp
     case "${canonical}" in
-    alpha*-dec-osf[4-9]*)
+    alpha*-dec-osf[5-9]*)
       opsys=osf5-0 ;;
     esac
   ;;
@@ -279,7 +311,7 @@ case "${canonical}" in
 
   ppc-*-linux | \
   powerpc-*-linux* )
-    machine=powerpc opsys=gnu-linux
+    machine=macppc opsys=gnu-linux
   ;;
 
   ## Altos 3068
@@ -341,6 +373,11 @@ case "${canonical}" in
     ## operating system.
   ;;
 
+  ## Compaq Nonstop
+  mips-compaq-nonstopux* )
+    machine=nonstopux opsys=nonstopux
+    ;;
+
   ## Convex
   *-convex-bsd* | *-convex-convexos* )
     machine=convex opsys=bsd4-3
@@ -485,6 +522,9 @@ case "${canonical}" in
   hppa1.1-hitachi-hiuxmpp* )
     machine=sr2k opsys=hiuxmpp
   ;;
+  hppa1.1-hitachi-hiuxwe2* )
+    machine=sr2k opsys=hiuxwe2
+  ;;
   ## Honeywell XPS100
   xps*-honeywell-sysv* )
     machine=xps100 opsys=usg5-2
@@ -520,9 +560,16 @@ case "${canonical}" in
   hppa*-hp-hpux9* )
     machine=hp800 opsys=hpux9
   ;;
-  hppa*-hp-hpux1[0-9]* )
+  hppa*-hp-hpux10* )
     machine=hp800 opsys=hpux10
   ;;
+  hppa*-hp-hpux1[1-9]* )
+    machine=hp800 opsys=hpux11
+  ;;
+
+  hppa*-*-linux-gnu* )
+    machine=hp800 opsys=gnu-linux
+  ;;
 
   ## HP 9000 series 700 and 800, running HP/UX
   hppa*-hp-hpux* )
@@ -558,6 +605,9 @@ case "${canonical}" in
   i370-ibm-aix*)
     machine=ibm370aix opsys=usg5-3
   ;;
+  s390-*-linux-gnu)
+    machine=ibms390 opsys=gnu-linux
+  ;;
   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
     machine=ibmrs6000 opsys=aix3-1
   ;;
@@ -570,6 +620,9 @@ case "${canonical}" in
   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
     machine=ibmrs6000 opsys=aix4-2
   ;;
+  rs6000-ibm-aix5.1* | powerpc-ibm-aix5.1*  )
+    machine=ibmrs6000 opsys=aix4-2
+  ;;
   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
     machine=ibmrs6000 opsys=aix4
   ;;
@@ -745,12 +798,6 @@ case "${canonical}" in
     machine=plexus opsys=usg5-2
   ;;
 
-  ## PowerPC reference platform
-  powerpcle-*-solaris2* )
-    machine=prep
-    opsys=sol2-5
-  ;;
-
   ## Pyramid machines
   ## I don't really have any idea what sort of processor the Pyramid has,
   ## so I'm assuming it is its own architecture.
@@ -890,8 +937,13 @@ case "${canonical}" in
 		NON_GNU_CPP=/usr/ccs/lib/cpp
 		RANLIB="ar -ts"
 		;;
+      *-sunos5.6* | *-solaris2.6* )
+		opsys=sol2-6
+		NON_GNU_CPP=/usr/ccs/lib/cpp
+		RANLIB="ar -ts"
+		;;
       *-sunos5* | *-solaris* )
-		opsys=sol2-5
+		opsys=sol2-6
 		NON_GNU_CPP=/usr/ccs/lib/cpp
 		;;
       *			  ) opsys=bsd4-2   ;;
@@ -1013,7 +1065,6 @@ case "${canonical}" in
 				;;
       *-sysv4.2uw* )	  	opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
       *-386bsd* )	        opsys=386bsd ;;
-      *-freebsd* )	        opsys=freebsd ;;
       *-nextstep* )             opsys=nextstep ;;
       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
     esac
@@ -1025,7 +1076,7 @@ case "${canonical}" in
   ;;
 
   ## Mips Linux-based GNU system
-  mips-*-linux-gnu* )
+  mips-*-linux-gnu* | mipsel-*-linux-gnu* )
     machine=mips opsys=gnu-linux
   ;;
 
@@ -1041,6 +1092,18 @@ case "${canonical}" in
     machine=f301 opsys=uxpv
   ;;
 
+  ## Darwin / Mac OS X
+  powerpc-apple-darwin* )
+    machine=powermac opsys=darwin
+    # Define CPP as follows to make autoconf work correctly.
+    CPP="cc -E -traditional-cpp"
+  ;;
+
+  ## AMD x86-64 Linux-based GNU system
+  x86_64-*-linux-gnu* )
+    machine=amdx86-64 opsys=gnu-linux 
+  ;;
+
   * )
     unported=yes
   ;;
@@ -1082,11 +1145,11 @@ if test x"${opsys}" = x; then
   esac
 fi
 
-changequote([, ])dnl
+]
 
 if test $unported = yes; then
-  AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
-Check \`etc/MACHINES' for recognized configuration names.])
+  AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
+Check `etc/MACHINES' for recognized configuration names.])
 fi
 
 machfile="m/${machine}.h"
@@ -1102,8 +1165,9 @@ SPECIFIED_CFLAGS="$CFLAGS"
 case ${with_gcc} in
   "yes" ) CC="gcc" GCC=yes ;;
   "no"  ) : ${CC=cc} ;;
-  * ) AC_PROG_CC
+  * )
 esac
+AC_PROG_CC
 
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
@@ -1137,16 +1201,6 @@ then
   CC="$CC $NON_GCC_TEST_OPTIONS"
 fi
 
-if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
-then
-  ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
-fi
-
-if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
-then
-  ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
-fi
-
 #### Some other nice autoconf tests.  If you add a test here which
 #### should make an entry in src/config.h, don't forget to add an
 #### #undef clause to src/config.h.in for autoconf to modify.
@@ -1155,10 +1209,24 @@ dnl checks for programs
 AC_PROG_LN_S
 AC_PROG_CPP
 AC_PROG_INSTALL
-AC_PROG_YACC
 if test "x$RANLIB" = x; then
   AC_PROG_RANLIB
 fi
+AC_PATH_PROG(INSTALL_INFO, install-info)
+AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
+AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
+
+dnl Add our options to ac_link now, after it is set up.
+
+if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
+then
+  ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
+fi
+
+if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
+then
+  ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
+fi
 
 dnl checks for Unix variants
 AC_AIX
@@ -1228,6 +1296,12 @@ configure___ system_malloc=yes
 configure___ system_malloc=no
 #endif
 
+#ifdef USE_MMAP_FOR_BUFFERS
+configure___ use_mmap_for_buffers=yes
+#else
+configure___ use_mmap_for_buffers=no
+#endif
+
 #ifndef C_DEBUG_SWITCH
 #define C_DEBUG_SWITCH -g
 #endif
@@ -1279,16 +1353,14 @@ configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
 # The value of CPP is a quoted variable reference, so we need to do this
 # to get its actual value...
 CPP=`eval "echo $CPP"`
-changequote(, )dnl
-eval `${CPP} -Isrc ${tempcname} \
+[eval `${CPP} -Isrc ${tempcname} \
        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
 if test "x$SPECIFIED_CFLAGS" = x; then
   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
 	 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
 else
   REAL_CFLAGS="$CFLAGS"
-fi
-changequote([, ])dnl
+fi]
 rm ${tempcname}
 
 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
@@ -1301,22 +1373,41 @@ else
   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
 fi
 
+dnl For AC_FUNC_GETLOADAVG, at least:
+AC_CONFIG_LIBOBJ_DIR(src)
+
+AC_GNU_SOURCE
+
 dnl Do this early because it can frob feature test macros for Unix-98 &c.
 AC_SYS_LARGEFILE
 
-# Sound support for GNU/Linux and the free BSDs.
-AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
-# Emulation library used on NetBSD.
-AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
-AC_SUBST(LIBSOUND)
+if test "${with_sound}" != "no"; then
+  # Sound support for GNU/Linux and the free BSDs.
+  AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
+  # Emulation library used on NetBSD.
+  AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
+  AC_SUBST(LIBSOUND)
+fi
 
 dnl checks for header files
 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
-  termcap.h stdio_ext.h fcntl.h term.h strings.h)
+  termcap.h stdio_ext.h fcntl.h term.h strings.h coff.h pty.h sys/mman.h \
+  sys/param.h sys/vlimit.h sys/resource.h)
+dnl On Solaris 8 there's a compilation warning for term.h because
+dnl it doesn't define `bool'.
+AC_CHECK_HEADERS(term.h, , , -)
 AC_HEADER_STDC
 AC_HEADER_TIME
-AC_DECL_SYS_SIGLIST
+AC_CHECK_DECLS([sys_siglist])
+if test $ac_cv_have_decl_sys_siglist != yes; then
+  # For Tru64, at least:
+  AC_CHECK_DECLS([__sys_siglist])
+  if test $ac_cv_have_decl___sys_siglist = yes; then
+    AC_DEFINE(sys_siglist, __sys_siglist,
+              [Define to any substitute for sys_siglist.])
+  fi
+fi
 AC_HEADER_SYS_WAIT
 
 dnl Some systems have utime.h but don't declare the struct anyplace.
@@ -1336,7 +1427,7 @@ AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
 #endif], [static struct utimbuf x; x.actime = x.modtime;],
   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
 if test $emacs_cv_struct_utimbuf = yes; then
-  AC_DEFINE(HAVE_STRUCT_UTIMBUF)
+  AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
 fi
 
 dnl checks for typedefs
@@ -1344,10 +1435,11 @@ AC_TYPE_SIGNAL
 
 dnl Check for speed_t typedef.
 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
-AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
-  emacs_cv_speed_t=yes))
+  [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
+    emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
 if test $emacs_cv_speed_t = yes; then
-  AC_DEFINE(HAVE_SPEED_T)
+  AC_DEFINE(HAVE_SPEED_T, 1, 
+  	   [Define to 1 if `speed_t' is declared by <termios.h>.])
 fi
 
 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
@@ -1364,7 +1456,7 @@ AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
 HAVE_TIMEVAL=$emacs_cv_struct_timeval
 if test $emacs_cv_struct_timeval = yes; then
-  AC_DEFINE(HAVE_TIMEVAL)
+  AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
 fi
 
 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
@@ -1373,19 +1465,16 @@ AC_TRY_COMPILE([#include <math.h>],
   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
 HAVE_EXCEPTION=$emacs_cv_struct_exception
 if test $emacs_cv_struct_exception != yes; then
-  AC_DEFINE(NO_MATHERR)
+  AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
 fi
 
 dnl checks for structure members
 AC_STRUCT_TM
 AC_STRUCT_TIMEZONE
-AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
-AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
-  emacs_cv_tm_gmtoff=yes,
-  emacs_cv_tm_gmtoff=no))
-if test $emacs_cv_tm_gmtoff = yes; then
-  AC_DEFINE(HAVE_TM_GMTOFF)
-fi
+AC_CHECK_MEMBER(struct tm.tm_gmtoff,
+		[AC_DEFINE(HAVE_TM_GMTOFF, 1,
+			   [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
+		[#include <time.h>])
 
 dnl checks for compiler characteristics
 
@@ -1407,6 +1496,13 @@ if test $emacs_cv_void_star = yes; then
 else
   AC_DEFINE(POINTER_TYPE, char)
 fi
+AH_TEMPLATE(POINTER_TYPE,
+	    [Define as `void' if your compiler accepts `void *'; otherwise
+	     define as `char'.])dnl
+
+dnl This could be used for targets which can have both byte sexes.
+dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
+dnl AC_C_BIGENDIAN
 
 dnl check for Make feature
 AC_PROG_MAKE_SET
@@ -1428,10 +1524,13 @@ if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
   x_default_search_path=""
   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
-    x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
-${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
-${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
-${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
+    x_search_path="\
+${x_library}/X11/%L/%T/%N%C%S:\
+${x_library}/X11/%l/%T/%N%C%S:\
+${x_library}/X11/%T/%N%C%S:\
+${x_library}/X11/%L/%T/%N%S:\
+${x_library}/X11/%l/%T/%N%S:\
+${x_library}/X11/%T/%N%S"
     if test x"${x_default_search_path}" = x; then
       x_default_search_path=${x_search_path}
     else
@@ -1515,9 +1614,9 @@ AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
 AC_CACHE_CHECK(whether __after_morecore_hook exists,
 	       emacs_cv_var___after_morecore_hook,
-AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
+[AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
   emacs_cv_var___after_morecore_hook=yes,
-  emacs_cv_var___after_morecore_hook=no))
+  emacs_cv_var___after_morecore_hook=no)])
 if test $emacs_cv_var___after_morecore_hook = no; then
   doug_lea_malloc=no
 fi
@@ -1531,13 +1630,23 @@ if test "$doug_lea_malloc" = "yes" ; then
     GNU_MALLOC_reason="
       (Using Doug Lea's new malloc from the GNU C Library.)"
   fi
-  AC_DEFINE(DOUG_LEA_MALLOC)
+  AC_DEFINE(DOUG_LEA_MALLOC, 1,
+	    [Define to 1 if you are using the GNU C Library.])
 fi
 
 if test x"${REL_ALLOC}" = x; then
   REL_ALLOC=${GNU_MALLOC}
 fi
 
+dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
+dnl the system configuration file (s/*.h) to turn the use of mmap
+dnl in the relocating allocator on.
+
+AC_FUNC_MMAP
+if test $use_mmap_for_buffers = yes; then
+  REL_ALLOC=no
+fi
+
 LIBS="$libsrc_libs $LIBS"
 
 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
@@ -1561,8 +1670,9 @@ else
 fi
 AC_MSG_RESULT($HAVE_XFREE386)
 
-# Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
-# for the tests that follow.  We set it back to REAL_CFLAGS later on.
+# Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
+# used for the tests that follow.  We set them back to REAL_CFLAGS and
+# REAL_CPPFLAGS later on.
 
 REAL_CPPFLAGS="$CPPFLAGS"
 
@@ -1617,6 +1727,18 @@ if test "${HAVE_X11}" = "yes"; then
     fi
   fi
 
+  # Reportedly, some broken Solaris systems have XKBlib.h but are missing
+  # header files included from there.
+  AC_MSG_CHECKING(for Xkb)
+  AC_TRY_LINK([#include <X11/Xlib.h>
+#include <X11/XKBlib.h>],
+	[XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
+	emacs_xkb=yes, emacs_xkb=no)
+  AC_MSG_RESULT($emacs_xkb)
+  if test $emacs_xkb = yes; then
+    AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
+  fi
+
   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
 XScreenNumberOfScreen XSetWMProtocols)
 fi
@@ -1624,14 +1746,15 @@ fi
 if test "${window_system}" = "x11"; then
   AC_MSG_CHECKING(X11 version 6)
   AC_CACHE_VAL(emacs_cv_x11_version_6,
-  AC_TRY_LINK([#include <X11/Xlib.h>],
+  [AC_TRY_LINK([#include <X11/Xlib.h>],
 [#if XlibSpecificationRelease < 6
 fail;
 #endif
-], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
+], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
   if test $emacs_cv_x11_version_6 = yes; then
     AC_MSG_RESULT(6 or newer)
-    AC_DEFINE(HAVE_X11R6)
+    AC_DEFINE(HAVE_X11R6, 1,
+	      [Define to 1 if you have the X11R6 or newer version of Xlib.])
   else
     AC_MSG_RESULT(before 6)
   fi
@@ -1640,15 +1763,16 @@ fi
 if test "${window_system}" = "x11"; then
   AC_MSG_CHECKING(X11 version 5)
   AC_CACHE_VAL(emacs_cv_x11_version_5,
-  AC_TRY_LINK([#include <X11/Xlib.h>],
+  [AC_TRY_LINK([#include <X11/Xlib.h>],
 [#if XlibSpecificationRelease < 5
 fail;
 #endif
-], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
+], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no)])
   if test $emacs_cv_x11_version_5 = yes; then
     AC_MSG_RESULT(5 or newer)
     HAVE_X11R5=yes
-    AC_DEFINE(HAVE_X11R5)
+    AC_DEFINE(HAVE_X11R5, 1,
+	      [Define to 1 if you have the X11R5 or newer version of Xlib.])
   else
     HAVE_X11R5=no
     AC_MSG_RESULT(before 5)
@@ -1661,12 +1785,12 @@ if test x"${USE_X_TOOLKIT}" = xmaybe; then
   if test x"${HAVE_X11R5}" = xyes; then
     AC_MSG_CHECKING(X11 version 5 with Xaw)
     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
-    AC_TRY_LINK([
+    [AC_TRY_LINK([
 #include <X11/Intrinsic.h>
 #include <X11/Xaw/Simple.h>],
       [],
       emacs_cv_x11_version_5_with_xaw=yes,
-      emacs_cv_x11_version_5_with_xaw=no))
+      emacs_cv_x11_version_5_with_xaw=no)])
     if test $emacs_cv_x11_version_5_with_xaw = yes; then
       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
       USE_X_TOOLKIT=LUCID
@@ -1684,15 +1808,16 @@ X_TOOLKIT_TYPE=$USE_X_TOOLKIT
 if test "${USE_X_TOOLKIT}" != "none"; then
   AC_MSG_CHECKING(X11 toolkit version)
   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
-  AC_TRY_LINK([#include <X11/Intrinsic.h>],
+  [AC_TRY_LINK([#include <X11/Intrinsic.h>],
 [#if XtSpecificationRelease < 6
 fail;
 #endif
-], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
+], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
   if test $emacs_cv_x11_toolkit_version_6 = yes; then
     AC_MSG_RESULT(6 or newer)
-    AC_DEFINE(HAVE_X11XTR6)
+    AC_DEFINE(HAVE_X11XTR6, 1,
+	      [Define to 1 if you have the X11R6 or newer version of Xt.])
   else
     AC_MSG_RESULT(before 6)
   fi
@@ -1706,24 +1831,57 @@ dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
     LIBS="-lXt $LIBS"
   fi
   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
-  LIBS="$OLDLIBS"
+  test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
+fi
+
+# On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
+if test "${HAVE_X11}" = "yes"; then
+  if test "${USE_X_TOOLKIT}" != "none"; then
+    AC_CHECK_LIB(Xext, XShapeQueryExtension)
+  fi
 fi
 
 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
+  AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
+  # We put this in CFLAGS temporarily to precede other -I options
+  # that might be in CFLAGS temporarily.
+  # We put this in CPPFLAGS where it precedes the other -I options.
+  OLD_CPPFLAGS=$CPPFLAGS
+  OLD_CFLAGS=$CFLAGS
+  CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
+  CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
+  [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
+    [int x = 5;],
+    emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
+  if test $emacs_cv_lesstif = yes; then
+    # Make sure this -I option remains in CPPFLAGS after it is set
+    # back to REAL_CPPFLAGS.
+    # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
+    # have those other -I options anyway.  Ultimately, having this
+    # directory ultimately in CPPFLAGS will be enough.
+    REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
+    LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
+  else
+    CFLAGS=$OLD_CFLAGS
+    CPPFLAGS=$OLD_CPPFLAGS
+  fi
   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
-  AC_TRY_COMPILE([#include <Xm/Xm.h>],
+  [AC_TRY_COMPILE([#include <Xm/Xm.h>],
     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
 int x = 5;
 #else
 Motif version prior to 2.1.
 #endif],
-    emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
+    emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
   if test $emacs_cv_motif_version_2_1 = yes; then
-    AC_DEFINE(HAVE_MOTIF_2_1)
-    AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes, , -lXext)
+    HAVE_LIBXP=no
+    AC_DEFINE(HAVE_MOTIF_2_1, 1,
+	      [Define to 1 if you have Motif 2.1 or newer.])
+    AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
     if test ${HAVE_LIBXP} = yes; then
-      AC_DEFINE(HAVE_LIBXP)
+      AC_DEFINE(HAVE_LIBXP, 1,
+		[Define to 1 if you have the Xp library (-lXp).])
     fi	
   fi
 fi
@@ -1732,14 +1890,13 @@ fi
 HAVE_XAW3D=no
 if test "${HAVE_X11}" = "yes"; then
   if test "${USE_X_TOOLKIT}" != "none"; then
-    old_c_flags="${CFLAGS}"
-    CFLAGS="${LD_SWITCH_X_SITE}"
+    dnl Fixme: determine what Scrollbar.h needs to avoid compilation
+    dnl errors from the test without the `-'.
     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
-	AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
-    CFLAGS="${old_c_flags}"
-
+	[AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes)], , -)
     if test "${HAVE_XAW3D}" = "yes"; then
-	AC_DEFINE(HAVE_XAW3D)
+	AC_DEFINE(HAVE_XAW3D, 1,
+		  [Define to 1 if you have the Xaw3d library (-lXaw3d).])
     fi
   fi
 fi
@@ -1748,6 +1905,8 @@ dnl Use toolkit scroll bars if configured for X toolkit and either
 dnl using Motif or Xaw3d is available, and unless
 dnl --with-toolkit-scroll-bars=no was specified.
 
+AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
+	    [Define to 1 if we should use toolkit scroll bars.])dnl
 USE_TOOLKIT_SCROLL_BARS=no
 if test "${with_toolkit_scroll_bars}" != "no"; then
   if test "${USE_X_TOOLKIT}" != "none"; then
@@ -1766,36 +1925,35 @@ dnl Don't use X11 input methods if user specifies he doesn't want it
 dnl with `--with-xim=no'.
 
 if test "${with_xim}" != "no"; then
-  AC_DEFINE(USE_XIM)
+  AC_DEFINE(USE_XIM, 1,
+	    [Define to 1 if we should use XIM, if it is available.])
 fi
 
 ### Use -lXpm if available, unless `--with-xpm=no'.
 HAVE_XPM=no
 if test "${HAVE_X11}" = "yes"; then
   if test "${with_xpm}" != "no"; then
-    old_c_flags="${CFLAGS}"
-    CFLAGS="${LD_SWITCH_X_SITE}"
     AC_CHECK_HEADER(X11/xpm.h,
       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
     if test "${HAVE_XPM}" = "yes"; then
-       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
-       AC_EGREP_CPP(no_return_alloc_pixels,
-       [#include "X11/xpm.h"
+      AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
+      AC_EGREP_CPP(no_return_alloc_pixels,
+      [#include "X11/xpm.h"
 #ifndef XpmReturnAllocPixels
 no_return_alloc_pixels
 #endif
-	], HAVE_XPM=no, HAVE_XPM=yes)
-    fi
-    CFLAGS="${old_c_flags}"
-    if test "${HAVE_XPM}" = "yes"; then
-       AC_MSG_RESULT(yes)
-    else
-       AC_MSG_RESULT(no)
+      ], HAVE_XPM=no, HAVE_XPM=yes)
+
+      if test "${HAVE_XPM}" = "yes"; then
+	AC_MSG_RESULT(yes)
+      else
+	AC_MSG_RESULT(no)
+      fi
     fi
   fi
 
   if test "${HAVE_XPM}" = "yes"; then
-    AC_DEFINE(HAVE_XPM)
+    AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
   fi
 fi
   
@@ -1803,17 +1961,22 @@ fi
 HAVE_JPEG=no
 if test "${HAVE_X11}" = "yes"; then
   if test "${with_jpeg}" != "no"; then
-    old_c_flags="${CFLAGS}"
-    CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
-    dnl Checking for jpeglib.h can lose becsue of a redefinition of
+    dnl Checking for jpeglib.h can lose because of a redefinition of
     dnl  HAVE_STDLIB_H.
     AC_CHECK_HEADER(jerror.h,
-      AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11))
-    CFLAGS="${old_c_flags}"
+      AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
   fi
 
+  AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
   if test "${HAVE_JPEG}" = "yes"; then
     AC_DEFINE(HAVE_JPEG)
+    AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
+        [#include <jpeglib.h>
+	 version=JPEG_LIB_VERSION
+],    
+        AC_DEFINE(HAVE_JPEG),
+        [AC_MSG_WARN([libjpeg found, but not version 6b or later])
+        HAVE_JPEG=no])
   fi
 fi
   
@@ -1821,15 +1984,12 @@ fi
 HAVE_PNG=no
 if test "${HAVE_X11}" = "yes"; then
   if test "${with_png}" != "no"; then
-    old_c_flags="${CFLAGS}"
-    CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
     AC_CHECK_HEADER(png.h,
-      AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
-    CFLAGS="${old_c_flags}"
+      AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm))
   fi
 
   if test "${HAVE_PNG}" = "yes"; then
-    AC_DEFINE(HAVE_PNG)
+    AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
   fi
 fi
   
@@ -1837,18 +1997,15 @@ fi
 HAVE_TIFF=no
 if test "${HAVE_X11}" = "yes"; then
   if test "${with_tiff}" != "no"; then
-    old_c_flags="${CFLAGS}"
-    CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
     AC_CHECK_HEADER(tiffio.h,
-      tifflibs="-lX11 -lz -lm"
+      tifflibs="-lz -lm"
       # At least one tiff package requires the jpeg library.
       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
-    CFLAGS="${old_c_flags}"
   fi
 
   if test "${HAVE_TIFF}" = "yes"; then
-    AC_DEFINE(HAVE_TIFF)
+    AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
   fi
 fi
   
@@ -1856,26 +2013,50 @@ fi
 HAVE_GIF=no
 if test "${HAVE_X11}" = "yes"; then
   if test "${with_gif}" != "no"; then
-    old_c_flags="${CFLAGS}"
-    CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
     AC_CHECK_HEADER(gif_lib.h,
-      AC_CHECK_LIB(ungif, DGifOpen, HAVE_GIF=yes, , -lX11))
-    CFLAGS="${old_c_flags}"
+# EGifPutExtensionLast only exists from version libungif-4.1.0b1.
+# Earlier versions can crash Emacs.
+      AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes))
   fi
 
   if test "${HAVE_GIF}" = "yes"; then
-    AC_DEFINE(HAVE_GIF)
+    AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have the ungif library (-lungif).])
   fi
 fi
 
+### Use Mac OS X Carbon API to implement GUI.
+HAVE_CARBON=no
+if test "${with_carbon}" != "no"; then
+  AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes)
+fi
+
+if test "${HAVE_CARBON}" = "yes"; then
+  AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
+fi
+
+### Use session management (-lSM -lICE) if available
+HAVE_X_SM=no
+if test "${HAVE_X11}" = "yes"; then
+  AC_CHECK_HEADER(X11/SM/SMlib.h,
+    AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, -lICE))
+
+  if test "${HAVE_X_SM}" = "yes"; then
+    AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
+    case "$LIBS" in
+      *-lSM*) ;;
+      *)      LIBS="-lSM -lICE $LIBS" ;;
+    esac
+  fi
+fi
+  
 # If netdb.h doesn't declare h_errno, we must declare it by hand.
 AC_CACHE_CHECK(whether netdb declares h_errno,
 	       emacs_cv_netdb_declares_h_errno,
-AC_TRY_LINK([#include <netdb.h>],
+[AC_TRY_LINK([#include <netdb.h>],
   [return h_errno;],
-  emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
+  emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
 if test $emacs_cv_netdb_declares_h_errno = yes; then
-  AC_DEFINE(HAVE_H_ERRNO)
+  AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
 fi
 
 AC_FUNC_ALLOCA
@@ -1900,8 +2081,8 @@ if test "$ac_cv_lib_lockfile_maillock" = no; then
   if test $ac_cv_prog_liblockfile = yes; then
     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
 This probably means that movemail could lose mail.
-There may be a \`development' package to install containing liblockfile.])
-  else AC_DEFINE(LIBMAIL, -llockfile)
+There may be a `development' package to install containing liblockfile.])
+  else AC_DEFINE(LIBMAIL, -llockfile, [Define to -llockfile if it is usable.])
   fi
   else :
 fi
@@ -1913,19 +2094,24 @@ rename closedir mkdir rmdir sysinfo \
 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
 utimes setrlimit setpgid getcwd getwd shutdown strftime getaddrinfo \
-__fpending mblen mbrlen strsignal setitimer ualarm index rindex)
+__fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
+sendto recvfrom getsockopt setsockopt getsockname getpeername \
+gai_strerror mkstemp getline getdelim mremap memmove fsync bzero memset)
+
+AC_CHECK_HEADERS(sys/un.h)
 
 AC_FUNC_MKTIME
 if test "$ac_cv_func_working_mktime" = no; then
-  AC_DEFINE(BROKEN_MKTIME)
+  AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
 fi
 
 AC_FUNC_GETLOADAVG
 
-AC_CHECK_FUNCS(ftello)
+AC_FUNC_FSEEKO
+
+AC_FUNC_GETPGRP
 
-# UNIX98 PTYs.  AC_SYS_LARGEFILE should have defined _XOPEN_SOURCE
-# if we need it.
+# UNIX98 PTYs.
 AC_CHECK_FUNCS(grantpt)
 
 # PTY-related GNU extensions.
@@ -1937,6 +2123,26 @@ AC_CHECK_FUNCS(getpt)
 # than to expect to find it in ncurses.
 AC_CHECK_LIB(ncurses, tparm)
 
+# Do we need the Hesiod library to provide the support routines?
+if test "$with_hesiod" = yes ; then
+  # Don't set $LIBS here -- see comments above.
+  resolv=no
+  AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
+     [AC_CHECK_LIB(resolv, res_send, resolv=yes,
+		  [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
+  if test "$resolv" = yes ; then
+    RESOLVLIB=-lresolv
+    AC_DEFINE(HAVE_LIBRESOLV, 1,
+	      [Define to 1 if you have the resolv library (-lresolv).])
+  else
+    RESOLVLIB=
+  fi
+  AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
+	AC_DEFINE(HAVE_LIBHESIOD, 1,
+		  [Define to 1 if you have the hesiod library (-lhesiod).]),
+	:, $RESOLVLIB)])
+fi
+
 # These tell us which Kerberos-related libraries to use.
 if test "${with_kerberos+set}" = set; then
   AC_CHECK_LIB(com_err, com_err)
@@ -1954,11 +2160,11 @@ if test "${with_kerberos+set}" = set; then
     AC_CHECK_HEADERS(krb5.h)
   else
     AC_CHECK_HEADERS(des.h,,
-		     AC_CHECK_HEADERS(kerberosIV/des.h,,
-				      AC_CHECK_HEADERS(kerberos/des.h)))
+		     [AC_CHECK_HEADERS(kerberosIV/des.h,,
+				       [AC_CHECK_HEADERS(kerberos/des.h)])])
     AC_CHECK_HEADERS(krb.h,,
-		     AC_CHECK_HEADERS(kerberosIV/krb.h,,
-				      AC_CHECK_HEADERS(kerberos/krb.h)))
+		     [AC_CHECK_HEADERS(kerberosIV/krb.h,,
+				       [AC_CHECK_HEADERS(kerberos/krb.h)])])
   fi
   AC_CHECK_HEADERS(com_err.h)
 fi
@@ -2008,14 +2214,16 @@ else
 fi])dnl
 AC_MSG_RESULT($emacs_cv_localtime_cache)
 if test $emacs_cv_localtime_cache = yes; then
-  AC_DEFINE(LOCALTIME_CACHE)
+  AC_DEFINE(LOCALTIME_CACHE, 1,
+	    [Define to 1 if localtime caches TZ.])
 fi
 
 if test "x$HAVE_TIMEVAL" = xyes; then
   AC_CHECK_FUNCS(gettimeofday)
-  AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
-		 emacs_cv_gettimeofday_two_arguments,
-  AC_TRY_COMPILE([
+  if test $ac_cv_func_gettimeofday = yes; then
+    AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
+		   emacs_cv_gettimeofday_two_arguments,
+    [AC_TRY_COMPILE([
 #ifdef TIME_WITH_SYS_TIME
 #include <sys/time.h>
 #include <time.h>
@@ -2026,12 +2234,14 @@ if test "x$HAVE_TIMEVAL" = xyes; then
 #include <time.h>
 #endif
 #endif],
-    [struct timeval time;
-     gettimeofday (&time, 0);],
-    emacs_cv_gettimeofday_two_arguments=yes,
-    emacs_cv_gettimeofday_two_arguments=no))
-  if test $emacs_cv_gettimeofday_two_arguments = no; then
-    AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
+      [struct timeval time;
+       gettimeofday (&time, 0);],
+      emacs_cv_gettimeofday_two_arguments=yes,
+      emacs_cv_gettimeofday_two_arguments=no)])
+    if test $emacs_cv_gettimeofday_two_arguments = no; then
+      AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
+		[Define to 1 if gettimeofday accepts only one argument.])
+    fi
   fi
 fi
 
@@ -2073,37 +2283,72 @@ if test $ok_so_far = yes; then
   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
 fi
 if test $ok_so_far = yes; then
-  AC_DEFINE(HAVE_INET_SOCKETS)
+dnl Fixme: Not used.  Should this be HAVE_SOCKETS?
+  AC_DEFINE(HAVE_INET_SOCKETS, 1,
+	    [Define to 1 if you have inet sockets.])
 fi
 
 if test -f /usr/lpp/X11/bin/smt.exp; then
-  AC_DEFINE(HAVE_AIX_SMT_EXP)
+  AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
+	    [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
 fi
 
 AC_MSG_CHECKING(whether system supports dynamic ptys)
 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
   AC_MSG_RESULT(yes)
-  AC_DEFINE(HAVE_DEV_PTMX)
+  AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
 else
   AC_MSG_RESULT(no)
 fi
 
-AC_FUNC_VFORK
+AC_FUNC_FORK
+
+AC_CHECK_TYPES(size_t)
+
+dnl Restrict could probably be used effectively other than in regex.c.
+AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
+  [AC_TRY_COMPILE([void fred (int *restrict x);], [],
+                  emacs_cv_c_restrict=yes,
+                  [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
+                                  emacs_cv_c_restrict=__restrict,
+				  emacs_cv_c_restrict=no)])])
+case "$emacs_cv_c_restrict" in
+  yes) emacs_restrict=restrict;;
+  no) emacs_restrict="";;
+  *) emacs_restrict="$emacs_cv_c_restrict";;
+esac
+if test "$emacs_restrict" != __restrict; then
+  AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
+    [Define to compiler's equivalent of C99 restrict keyword.
+     Don't define if equivalent is `__restrict'.])
+fi
+
+AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
+  [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
+                  emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
+if test "$emacs_cv_c_restrict_arr" = yes; then
+  AC_DEFINE(__restrict_arr, __restrict,
+    [Define to compiler's equivalent of C99 restrict keyword in array
+     declarations.  Define as empty for no equivalent.])
+fi
+
+AC_CHECK_HEADERS(nlist.h, [AC_DEFINE(NLIST_STRUCT, 1,
+                 [Define to 1 if you have <nlist.h>.])])
 
-# Fixme: This should be replaced when we have autoconf 2.14.
-AC_SIZE_T
+dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
+dnl how the tty code is related to POSIX and/or other versions of termios.
+
+dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used.  (Needs libobj replacement.)
 
 # Set up the CFLAGS for real compilation, so we can substitute it.
 CFLAGS="$REAL_CFLAGS"
 CPPFLAGS="$REAL_CPPFLAGS"
 
-changequote(, )dnl
 #### Find out which version of Emacs this is.
-version=`grep 'defconst[	 ]*emacs-version' ${srcdir}/lisp/version.el \
-	 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
-changequote([, ])dnl
+[version=`grep 'defconst[	 ]*emacs-version' ${srcdir}/lisp/version.el \
+	 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
 if test x"${version}" = x; then
-  AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
+  AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
 fi
 
 ### Specify what sort of things we'll be editing into Makefile and config.h.
@@ -2128,6 +2373,8 @@ AC_SUBST(etcdir)
 AC_SUBST(archlibdir)
 AC_SUBST(docdir)
 AC_SUBST(bitmapdir)
+AC_SUBST(gamedir)
+AC_SUBST(gameuser)
 AC_SUBST(c_switch_system)
 AC_SUBST(c_switch_machine)
 AC_SUBST(LD_SWITCH_X_SITE)
@@ -2139,37 +2386,340 @@ AC_SUBST(machfile)
 AC_SUBST(opsysfile)
 AC_SUBST(GETLOADAVG_LIBS)
 
-AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
-AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
-AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
-AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
-AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
-AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
-AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
-AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
+AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}",
+		   [Define to the canonical Emacs configuration name.])
+AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
+		   [Define to the options passed to configure.])
+AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}",
+		   [Define to the used machine dependent file.])
+AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
+		   [Define to the used os dependent file.])
+AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
+[Define LD_SWITCH_X_SITE to contain any special flags your loader
+ may need to deal with X Windows.  For instance, if you've defined
+ HAVE_X_WINDOWS above and your X libraries aren't in a place that
+ your loader can find on its own, you might want to add "-L/..." or
+ something similar.])
+AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
+		   [Define LD_SWITCH_X_SITE_AUX with an -R option
+		    in case it's needed (for Solaris, for example).])
+AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE},
+[Define C_SWITCH_X_SITE to contain any special flags your compiler
+ may need to deal with X Windows.  For instance, if you've defined
+ HAVE_X_WINDOWS above and your X include files aren't in a place
+ that your compiler can find on its own, you might want to add
+ "-I/..." or something similar.])
+AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC},
+		   [Define to the unexec source file name.])
 
 if test "${HAVE_X_WINDOWS}" = "yes" ; then
-  AC_DEFINE(HAVE_X_WINDOWS)
+  AC_DEFINE(HAVE_X_WINDOWS, 1,
+	    [Define to 1 if you want to use the X window system.])
 fi
 if test "${USE_X_TOOLKIT}" != "none" ; then
-  AC_DEFINE(USE_X_TOOLKIT)
+  AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
 fi
 if test "${HAVE_X11}" = "yes" ; then
-  AC_DEFINE(HAVE_X11)
+  AC_DEFINE(HAVE_X11, 1,
+	    [Define to 1 if you want to use version 11 of X windows.
+	     Otherwise, Emacs expects to use version 10.])
 fi
 if test "${HAVE_XFREE386}" = "yes" ; then
-  AC_DEFINE(HAVE_XFREE386)
+  AC_DEFINE(HAVE_XFREE386, 1, [Define to 1 if you're using XFree386.])
 fi
 if test "${HAVE_MENUS}" = "yes" ; then
-  AC_DEFINE(HAVE_MENUS)
+  AC_DEFINE(HAVE_MENUS, 1,
+	    [Define to 1 if you have mouse menus.
+	     (This is automatic if you use X, but the option to specify it remains.)
+	     It is also defined with other window systems that support xmenu.c.])
 fi
 if test "${GNU_MALLOC}" = "yes" ; then
-  AC_DEFINE(GNU_MALLOC)
+  AC_DEFINE(GNU_MALLOC, 1,
+	    [Define to 1 if you want to use the GNU memory allocator.])
 fi
 if test "${REL_ALLOC}" = "yes" ; then
-  AC_DEFINE(REL_ALLOC)
+  AC_DEFINE(REL_ALLOC, 1,
+	    [Define REL_ALLOC if you want to use the relocating allocator for
+	     buffer space.])
 fi
 
+AH_TOP([/* GNU Emacs site configuration template file.
+   Copyright (C) 1988, 93, 94, 99, 2000, 2002 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Emacs; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+
+/* No code in Emacs #includes config.h twice, but some bits of code
+   intended to work with other packages as well (like gmalloc.c) 
+   think they can include it as many times as they like.  */
+#ifndef EMACS_CONFIG_H
+#define EMACS_CONFIG_H
+])dnl
+
+AH_BOTTOM([
+/* If we're using any sort of window system, define some consequences.  */
+#ifdef HAVE_X_WINDOWS
+#define HAVE_WINDOW_SYSTEM
+#define MULTI_KBOARD
+#define HAVE_MOUSE
+#endif
+
+/* If we're using the Carbon API on Mac OS X, define a few more
+   variables as well.  */
+#ifdef HAVE_CARBON
+#define HAVE_WINDOW_SYSTEM
+#define HAVE_MOUSE
+#define HAVE_MENUS
+#endif
+
+/* Define USER_FULL_NAME to return a string
+   that is the user's full name.
+   It can assume that the variable `pw'
+   points to the password file entry for this user.
+
+   At some sites, the pw_gecos field contains
+   the user's full name.  If neither this nor any other
+   field contains the right thing, use pw_name,
+   giving the user's login name, since that is better than nothing.  */
+#define USER_FULL_NAME pw->pw_gecos
+
+/* Define AMPERSAND_FULL_NAME if you use the convention
+   that & in the full name stands for the login id.  */
+/* Turned on June 1996 supposing nobody will mind it.  */
+#define AMPERSAND_FULL_NAME
+
+/* Define HAVE_SOUND if we have sound support.  We know it works
+   and compiles only on the specified platforms.   For others,
+   it probably doesn't make sense to try.  */
+
+#if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
+#ifdef HAVE_MACHINE_SOUNDCARD_H
+#define HAVE_SOUND 1
+#endif
+#ifdef HAVE_SYS_SOUNDCARD_H
+#define HAVE_SOUND 1
+#endif
+#ifdef HAVE_SOUNDCARD_H
+#define HAVE_SOUND 1
+#endif
+#endif /* __FreeBSD__ || __NetBSD__ || __linux__  */
+
+/* If using GNU, then support inline function declarations. */
+/* Don't try to switch on inline handling as detected by AC_C_INLINE
+   generally, because even if non-gcc compilers accept `inline', they
+   may reject `extern inline'.  */
+#ifdef __GNUC__
+#define INLINE __inline__
+#else
+#define INLINE
+#endif
+
+/* Include the os and machine dependent files.  */
+#include config_opsysfile
+#include config_machfile
+
+/* Load in the conversion definitions if this system
+   needs them and the source file being compiled has not
+   said to inhibit this.  There should be no need for you
+   to alter these lines.  */
+
+#ifdef SHORTNAMES
+#ifndef NO_SHORTNAMES
+#include "../shortnames/remap.h"
+#endif /* not NO_SHORTNAMES */
+#endif /* SHORTNAMES */
+
+/* If no remapping takes place, static variables cannot be dumped as
+   pure, so don't worry about the `static' keyword. */
+#ifdef NO_REMAP
+#undef static
+#endif
+
+/* Define `subprocesses' should be defined if you want to
+   have code for asynchronous subprocesses
+   (as used in M-x compile and M-x shell).
+   These do not work for some USG systems yet;
+   for the ones where they work, the s/SYSTEM.h file defines this flag.  */
+
+#ifndef VMS
+#ifndef USG
+/* #define subprocesses */
+#endif
+#endif
+
+/* SIGTYPE is the macro we actually use.  */
+#ifndef SIGTYPE
+#define SIGTYPE RETSIGTYPE
+#endif
+
+#ifdef emacs /* Don't do this for lib-src.  */
+/* Tell regex.c to use a type compatible with Emacs.  */
+#define RE_TRANSLATE_TYPE Lisp_Object
+#define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
+#define RE_TRANSLATE_P(TBL) (XFASTINT (TBL) != 0)
+#endif
+
+/* Avoid link-time collision with system mktime if we will use our own.  */
+#if ! HAVE_MKTIME || BROKEN_MKTIME
+#define mktime emacs_mktime
+#endif
+
+/* The rest of the code currently tests the CPP symbol BSTRING.
+   Override any claims made by the system-description files.
+   Note that on some SCO version it is possible to have bcopy and not bcmp.  */
+#undef BSTRING
+#if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
+#define BSTRING
+#endif
+
+/* Some of the files of Emacs which are intended for use with other
+   programs assume that if you have a config.h file, you must declare
+   the type of getenv.
+
+   This declaration shouldn't appear when alloca.s or Makefile.in
+   includes config.h.  */
+#ifndef NOT_C_CODE
+extern char *getenv ();
+#endif
+
+/* These default definitions are good for almost all machines.
+   The exceptions override them in m/MACHINE.h.  */
+
+#ifndef BITS_PER_CHAR
+#define BITS_PER_CHAR 8
+#endif
+
+#ifndef BITS_PER_SHORT
+#define BITS_PER_SHORT 16
+#endif
+
+/* Note that lisp.h uses this in a preprocessor conditional, so it
+   would not work to use sizeof.  That being so, we do all of them
+   without sizeof, for uniformity's sake.  */
+#ifndef BITS_PER_INT
+#define BITS_PER_INT 32
+#endif
+
+#ifndef BITS_PER_LONG
+#ifdef _LP64
+#define BITS_PER_LONG 64
+#else
+#define BITS_PER_LONG 32
+#endif
+#endif
+
+/* Define if the compiler supports function prototypes.  It may do so
+   but not define __STDC__ (e.g. DEC C by default) or may define it as
+   zero.  */
+#undef PROTOTYPES
+/* For mktime.c:  */
+#ifndef __P
+# if defined PROTOTYPES
+#  define __P(args) args
+# else
+#  define __P(args) ()
+# endif  /* GCC.  */
+#endif /* __P */
+
+/* Don't include "string.h" or <stdlib.h> in non-C code.  */
+#ifndef NOT_C_CODE
+#ifdef HAVE_STRING_H
+#include "string.h"
+#endif
+#ifdef HAVE_STRINGS_H
+#include "strings.h"  /* May be needed for bcopy & al. */
+#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifndef __GNUC__
+# ifdef HAVE_ALLOCA_H
+#  include <alloca.h>
+# else /* AIX files deal with #pragma.  */
+#  ifndef alloca /* predefined by HP cc +Olibcalls */
+char *alloca ();
+#  endif
+# endif /* HAVE_ALLOCA_H */
+#endif /* __GNUC__ */
+#ifndef HAVE_SIZE_T
+typedef size_t unsigned
+#endif
+#endif /* NOT_C_CODE */
+
+/* Define HAVE_X_I18N if we have usable i18n support.  */
+
+#ifdef HAVE_X11R6
+#define HAVE_X_I18N
+#elif defined HAVE_X11R5 && !defined X11R5_INHIBIT_I18N
+#define HAVE_X_I18N
+#endif
+
+/* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support.  */
+
+#if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
+#define HAVE_X11R6_XIM
+#endif
+
+/* Should we enable expensive run-time checking of data types?  */
+#undef ENABLE_CHECKING
+
+#if defined __GNUC__ && (__GNUC__ > 2 \
+                         || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
+#define NO_RETURN	__attribute__ ((__noreturn__))
+#else
+#define NO_RETURN	/* nothing */
+#endif
+
+/* These won't be used automatically yet.  We also need to know, at least,
+   that the stack is continuous.  */
+#ifdef __GNUC__
+#  ifndef GC_SETJMP_WORKS
+  /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
+     see NON_SAVING_SETJMP in the target descriptions.  */   
+  /* Exceptions (see NON_SAVING_SETJMP in target description) are ns32k,
+     SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
+     Fixme: Deal with ns32k, SVR3.  */
+#    define GC_SETJMP_WORKS 1
+#  endif
+#  ifndef GC_LISP_OBJECT_ALIGNMENT
+#    define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
+#  endif
+#endif
+
+#ifndef HAVE_BCOPY
+#define bcopy(a,b,s) memcpy (b,a,s)
+#endif
+#ifndef HAVE_BZERO
+#define bzero(a,s) memset (a,0,s)
+#endif
+#ifndef HAVE_BCMP
+#define BCMP memcmp
+#endif
+
+#endif /* EMACS_CONFIG_H */
+
+/* 
+Local Variables:
+mode: c
+End:
+*/
+])dnl
+
 #### Report on what we decided to do.
 echo "
 Configured for \`${canonical}'.
@@ -2179,7 +2729,8 @@ Configured for \`${canonical}'.
         \`${opsysfile}' and \`${machfile}'
   What compiler should emacs be built with?               ${CC} ${CFLAGS}
   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
-  Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
+  Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
+  Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
   What window system should Emacs use?                    ${window_system}
   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
 
@@ -2204,16 +2755,24 @@ echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SC
 echo
 
 # Remove any trailing slashes in these variables.
-changequote(, )dnl
-test "${prefix}" != NONE &&
+[test "${prefix}" != NONE &&
   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
 test "${exec_prefix}" != NONE &&
-  exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
-changequote([, ])dnl
+  exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
+
+## Check if the C preprocessor will convert `..' to `. .'.  If so, set
+## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
+## from Makefile.c can correctly provide the arg `-traditional' to the
+## C preprocessor.
+
+AC_EGREP_CPP(yes..yes,
+	[yes..yes],
+	CPP_NEED_TRADITIONAL=no,
+	CPP_NEED_TRADITIONAL=yes)
 
 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
 	man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
-	lisp/Makefile leim/Makefile, [
+	lisp/Makefile lispref/Makefile lispintro/Makefile leim/Makefile, [
 
 ### Make the necessary directories, if they don't exist.
 for dir in etc lisp ; do
@@ -2224,21 +2783,26 @@ done
 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
 # This must be done after src/config.h is built, since we rely on that file.
 
-changequote(, )dnl The horror, the horror.
 # Now get this: Some word that is part of the ${srcdir} directory name
 # or the ${configuration} value might, just might, happen to be an
 # identifier like `sun4' or `i386' or something, and be predefined by
 # the C preprocessor to some helpful value like 1, or maybe the empty
 # string.  Needless to say consequent macro substitutions are less
 # than conducive to the makefile finding the correct directory.
-undefs="`echo $top_srcdir $configuration $canonical |
+[undefs="`echo $top_srcdir $configuration $canonical |
 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
-`"
-changequote([, ])dnl
+`"]
 
 echo creating src/epaths.h
-make epaths-force
+${MAKE-make} epaths-force
+
+# As of 2000-11-19, newest development versions of GNU cpp preprocess
+# `..' to `. .'  unless invoked with -traditional
+
+if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
+  CPPFLAGS="$CPPFLAGS -traditional"
+fi
 
 echo creating lib-src/Makefile
 ( cd lib-src
@@ -2246,9 +2810,9 @@ echo creating lib-src/Makefile
   sed -e '/start of cpp stuff/q' \
       < Makefile.c > junk1.c
   sed -e '1,/start of cpp stuff/d'\
-      -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
+      -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
       < Makefile.c > junk.c
-  $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
+  $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
       sed -e 's/^ /	/' -e '/^#/d' -e '/^[ 	]*$/d' > junk2.c
   cat junk1.c junk2.c > Makefile.new
   rm -f junk.c junk1.c junk2.c
@@ -2262,9 +2826,9 @@ echo creating src/Makefile
   sed -e '/start of cpp stuff/q' \
       < Makefile.c > junk1.c
   sed -e '1,/start of cpp stuff/d'\
-      -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
+      -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
       < Makefile.c > junk.c
-  $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
+  $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
       sed -e 's/^ /	/' -e '/^#/d' -e '/^[ 	]*$/d' > junk2.c
   cat junk1.c junk2.c > Makefile.new
   rm -f junk.c junk1.c junk2.c
@@ -2272,12 +2836,13 @@ echo creating src/Makefile
   mv -f Makefile.new Makefile
 )
 
-if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
+if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
   echo creating src/.gdbinit
-  echo source $top_srcdir/src/.gdbinit > src/.gdbinit
+  echo source $srcdir/src/.gdbinit > src/.gdbinit
 fi
 
 # This is how we know whether to re-run configure in certain cases.
 touch src/config.stamp
 
-], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])
+], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
+