X-Git-Url: http://git.hcoop.net/bpt/emacs.git/blobdiff_plain/5bc6ddff00c50acf546530ef0e08a27140614d27..d746defb1a43a2df013a8b64afdda5c75832a55f:/configure

diff --git a/configure b/configure
index 52da306ad4..fdc235b125 100755
--- a/configure
+++ b/configure
@@ -577,7 +577,6 @@ PACKAGE_STRING='emacs 23.0.60'
 PACKAGE_BUGREPORT=''
 
 ac_unique_file="src/lisp.h"
-ac_config_libobj_dir=src
 # Factoring default headers for most tests.
 ac_includes_default="\
 #include <stdio.h>
@@ -614,6 +613,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
+ac_config_libobj_dir=src
 ac_header_list=
 ac_func_list=
 ac_subst_vars='SHELL
@@ -733,7 +733,11 @@ C_SWITCH_X_SITE
 X_TOOLKIT_TYPE
 machfile
 opsysfile
-carbon_appdir
+ns_appdir
+ns_appbindir
+ns_appresdir
+ns_appsrc
+GNUSTEP_MAKEFILES
 LTLIBOBJS'
 ac_subst_files=''
       ac_precious_vars='build_alias
@@ -1329,11 +1333,8 @@ if test -n "$ac_init_help"; then
 Optional Features:
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
-  --enable-carbon-app[=DIR]
-                          specify install directory for Emacs.app on Mac OS X
-                          [DIR=/Application]
-  --disable-font-backend  don't compile font-backend support
-  --disable-sync-input    don't compile code with sync-input
+  --enable-cocoa-experimental-ctrl-g        enable experimental improved ctrl-g recognition
+  --disable-ns-self-contained        disable self contained build under NS
   --enable-asserts        compile code with asserts enabled
   --enable-maintainer-mode
                           enable make rules and dependencies not useful (and
@@ -1351,6 +1352,7 @@ Optional Packages:
   --with-kerberos5        support Kerberos version 5 authenticated POP
   --with-hesiod           support Hesiod to get the POP server host
   --without-sound         don't compile with sound support
+  --without-sync-input    Process async input synchronously
   --with-x-toolkit=KIT    use an X toolkit (KIT one of: yes, lucid, athena,
                           motif, gtk, no)
   --without-xpm           don't compile with XPM image support
@@ -1367,10 +1369,11 @@ Optional Packages:
                           don't use Motif or Xaw3d scroll bars
   --without-xaw3d         don't use Xaw3d
   --without-xim           don't use X11 XIM
-  --with-carbon           use Carbon GUI on Mac OS X. This is unsupported!
+  --with-ns               use nextstep (Cocoa or GNUstep) windowing system
   --without-gpm           don't use -lgpm for mouse support on a GNU/Linux
                           console
   --without-dbus          don't compile with D-Bus support
+  --without-makeinfo      don't require makeinfo for building manuals
 
   --with-pkg-config-prog=PATH
                           Path to pkg-config for finding GTK and librsvg
@@ -1875,7 +1878,7 @@ else
       with_kerberos=no
 fi
 
-if test "$with_kerberos" = yes; then
+if test "$with_kerberos" != no; then
    cat >>confdefs.h <<\_ACEOF
 #define KERBEROS 1
 _ACEOF
@@ -1891,8 +1894,8 @@ else
       with_kerberos5=no
 fi
 
-if test "${with_kerberos5}" = yes; then
-  if test "${with_kerberos}" != yes; then
+if test "${with_kerberos5}" != no; then
+  if test "${with_kerberos}" = no; then
     with_kerberos=yes
     cat >>confdefs.h <<\_ACEOF
 #define KERBEROS 1
@@ -1914,7 +1917,7 @@ else
       with_hesiod=no
 fi
 
-if test "$with_hesiod" = yes; then
+if test "$with_hesiod" != no; then
 
 cat >>confdefs.h <<\_ACEOF
 #define HESIOD 1
@@ -1932,6 +1935,22 @@ fi
 
 
 
+# Check whether --with-sync-input was given.
+if test "${with_sync_input+set}" = set; then
+  withval=$with_sync_input;
+else
+     with_sync_input=yes
+fi
+
+if test "$with_sync_input" = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define SYNC_INPUT 1
+_ACEOF
+
+fi
+
+
 # Check whether --with-x-toolkit was given.
 if test "${with_x_toolkit+set}" = set; then
   withval=$with_x_toolkit; 	  case "${withval}" in
@@ -2063,11 +2082,11 @@ else
 fi
 
 
-# Check whether --with-carbon was given.
-if test "${with_carbon+set}" = set; then
-  withval=$with_carbon;
+# Check whether --with-ns was given.
+if test "${with_ns+set}" = set; then
+  withval=$with_ns;
 else
-      with_carbon=no
+      with_ns=no
 fi
 
 
@@ -2088,6 +2107,17 @@ else
 fi
 
 
+## For the times when you want to build Emacs but don't have
+## a suitable makeinfo, and can live without the manuals.
+
+# Check whether --with-makeinfo was given.
+if test "${with_makeinfo+set}" = set; then
+  withval=$with_makeinfo;
+else
+     with_makeinfo=yes
+fi
+
+
 
 # Check whether --with-gtk was given.
 if test "${with_gtk+set}" = set; then
@@ -2122,27 +2152,19 @@ if test "X${with_pkg_config_prog}" != X; then
    fi
 fi
 
-# Check whether --enable-carbon-app was given.
-if test "${enable_carbon_app+set}" = set; then
-  enableval=$enable_carbon_app;  carbon_appdir_x=${enableval}
-fi
-
-
-## Enabled by default.
-# Check whether --enable-font-backend was given.
-if test "${enable_font_backend+set}" = set; then
-  enableval=$enable_font_backend; USE_FONT_BACKEND=$enableval
+# Check whether --enable-cocoa-experimental-ctrl-g was given.
+if test "${enable_cocoa_experimental_ctrl_g+set}" = set; then
+  enableval=$enable_cocoa_experimental_ctrl_g; EN_COCOA_EXPERIMENTAL_CTRL_G=yes
 else
-  USE_FONT_BACKEND=yes
+  EN_COCOA_EXPERIMENTAL_CTRL_G=no
 fi
 
 
-## Enabled by default.
-# Check whether --enable-sync-input was given.
-if test "${enable_sync_input+set}" = set; then
-  enableval=$enable_sync_input; USE_SYNC_INPUT=$enableval
+# Check whether --enable-ns-self-contained was given.
+if test "${enable_ns_self_contained+set}" = set; then
+  enableval=$enable_ns_self_contained; EN_NS_SELF_CONTAINED=no
 else
-  USE_SYNC_INPUT=yes
+  EN_NS_SELF_CONTAINED=yes
 fi
 
 
@@ -2351,9 +2373,8 @@ configuration=${host_alias-${build_alias-$host}}
 ### based on the machine portion of the configuration name, and an s-
 ### file based on the operating system portion.  However, it turns out
 ### that each m/*.h file is pretty manufacturer-specific - for
-### example hp9000s300.h is a 68000 machine;
-### mips.h, pmax.h are all MIPS
-### machines.  So we basically have to have a special case for each
+### example mips.h is MIPS
+### So we basically have to have a special case for each
 ### configuration name.
 ###
 ### As far as handling version numbers on operating systems is
@@ -2376,6 +2397,7 @@ case "${canonical}" in
       alpha*-*-freebsd*)	machine=alpha ;;
       arm*-*-freebsd*)          machine=arm ;;
       ia64-*-freebsd*)		machine=ia64 ;;
+      sparc-*-freebsd*)         machine=sparc ;;
       sparc64-*-freebsd*)	machine=sparc ;;
       powerpc-*-freebsd*)	machine=macppc ;;
       i[3456]86-*-freebsd*)	machine=intel386 ;;
@@ -2389,6 +2411,7 @@ case "${canonical}" in
     case "${canonical}" in
       alpha*-*-kfreebsd*)	machine=alpha ;;
       ia64-*-kfreebsd*)		machine=ia64 ;;
+      sparc-*-kfreebsd*)	machine=sparc ;;
       sparc64-*-kfreebsd*)	machine=sparc ;;
       powerpc-*-kfreebsd*)	machine=macppc ;;
       i[3456]86-*-kfreebsd*)	machine=intel386 ;;
@@ -2410,12 +2433,6 @@ _ACEOF
     case "${canonical}" in
       alpha*-*-netbsd*)	machine=alpha ;;
       i[3456]86-*-netbsd*) machine=intel386 ;;
-      m68k-*-netbsd*)
-			# This is somewhat bogus.
-			machine=hp9000s300 ;;
-      mips-*-netbsd*)	machine=pmax ;;
-      mipsel-*-netbsd*)	machine=pmax ;;
-      mipseb-*-netbsd*)	machine=pmax ;;
       powerpc-*-netbsd*) machine=macppc ;;
       sparc*-*-netbsd*)	machine=sparc ;;
       vax-*-netbsd*)	machine=vax ;;
@@ -2431,9 +2448,7 @@ _ACEOF
     case "${canonical}" in
       alpha*-*-openbsd*)	machine=alpha ;;
       arm-*-openbsd*)          machine=arm ;;
-      hppa-*-openbsd*)         machine=hp9000s300 ;;
       i386-*-openbsd*)         machine=intel386 ;;
-      m68k-*-openbsd*)         machine=hp9000s300 ;;
       powerpc-*-openbsd*)      machine=macppc ;;
       sparc*-*-openbsd*)       machine=sparc ;;
       vax-*-openbsd*)          machine=vax ;;
@@ -2450,23 +2465,6 @@ _ACEOF
     esac
   ;;
 
-  ## BSDI ports
-  *-*-bsdi* )
-    opsys=bsdi
-    case "${canonical}" in
-      i[345]86-*-bsdi*) machine=intel386 ;;
-      sparc-*-bsdi*)  machine=sparc ;;
-      powerpc-*-bsdi*)  machine=macppc ;;
-    esac
-    case "${canonical}" in
-      *-*-bsd386* | *-*-bsdi1* )	opsys=bsd386 ;;
-      *-*-bsdi2.0* )		opsys=bsdos2 ;;
-      *-*-bsdi2* )		opsys=bsdos2-1 ;;
-      *-*-bsdi3* )		opsys=bsdos3 ;;
-      *-*-bsdi[45]* )		opsys=bsdos4 ;;
-    esac
-  ;;
-
   alpha*-*-linux-gnu* )
     machine=alpha opsys=gnu-linux
   ;;
@@ -2479,7 +2477,7 @@ _ACEOF
   *-apple-darwin* )
     case "${canonical}" in
       i[3456]86-* )  machine=intel386 ;;
-      powerpc-* )    machine=powermac ;;
+      powerpc-* )    machine=macppc ;;
       * )            unported=yes ;;
     esac
     opsys=darwin
@@ -2493,56 +2491,10 @@ _ACEOF
     fi
   ;;
 
-  ## Cubix QBx/386
-  i[3456]86-cubix-sysv* )
-    machine=intel386 opsys=usg5-3
-  ;;
-
-  mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
-    machine=pmax opsys=bsd4-2
-  ;;
-  mips-dec-ultrix4.[12]* | mips-dec-bsd* )
-    machine=pmax opsys=bsd4-3
-  ;;
-  mips-dec-ultrix* )
-    machine=pmax opsys=ultrix4-3
-  ;;
-  ## HP 9000 series 200 or 300
-  m68*-hp-bsd* )
-    machine=hp9000s300 opsys=bsd4-3
-  ;;
-  ## HP/UX 7, 8, 9, and 10 are supported on these machines.
-  m68*-hp-hpux* )
-    case "`uname -r`" in
-      ## Someone's system reports A.B8.05 for this.
-      ## I wonder what other possibilities there are.
-      *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
-      *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
-      *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
-      *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
-      *) machine=hp9000s300 opsys=hpux ;;
-    esac
-  ;;
-
   ## HP 9000 series 700 and 800, running HP/UX
-  hppa*-hp-hpux7* )
-    machine=hp800 opsys=hpux
-  ;;
-  hppa*-hp-hpux8* )
-    machine=hp800 opsys=hpux8
-  ;;
-  hppa*-hp-hpux9shr* )
-    machine=hp800 opsys=hpux9shr
-  ;;
-  hppa*-hp-hpux9* )
-    machine=hp800 opsys=hpux9
-  ;;
   hppa*-hp-hpux10.2* )
     machine=hp800 opsys=hpux10-20
   ;;
-  hppa*-hp-hpux10* )
-    machine=hp800 opsys=hpux10
-  ;;
   hppa*-hp-hpux1[1-9]* )
     machine=hp800 opsys=hpux11
     CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
@@ -2552,41 +2504,13 @@ _ACEOF
     machine=hp800 opsys=gnu-linux
   ;;
 
-  ## HP 9000 series 700 and 800, running HP/UX
-  hppa*-hp-hpux* )
-    ## Cross-compilation?  Nah!
-    case "`uname -r`" in
-      ## Someone's system reports A.B8.05 for this.
-      ## I wonder what other possibilities there are.
-      *.B8.* ) machine=hp800 opsys=hpux8 ;;
-      *.08.* ) machine=hp800 opsys=hpux8 ;;
-      *.09.* ) machine=hp800 opsys=hpux9 ;;
-      *) machine=hp800 opsys=hpux10 ;;
-    esac
-  ;;
-  hppa*-*-nextstep* )
-    machine=hp800 opsys=nextstep
-  ;;
-
   ## IBM machines
-  i370-ibm-aix*)
-    machine=ibm370aix opsys=usg5-3
-  ;;
   s390-*-linux-gnu* )
     machine=ibms390 opsys=gnu-linux
   ;;
   s390x-*-linux-gnu* )
     machine=ibms390x opsys=gnu-linux
   ;;
-  rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
-    machine=ibmrs6000 opsys=aix3-1
-  ;;
-  rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
-    machine=ibmrs6000 opsys=aix3-2-5
-  ;;
-  rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
-    machine=ibmrs6000 opsys=aix4-1
-  ;;
   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
     machine=ibmrs6000 opsys=aix4-2
   ;;
@@ -2599,65 +2523,12 @@ _ACEOF
   rs6000-ibm-aix5* | powerpc-ibm-aix6*  )
     machine=ibmrs6000 opsys=aix4-2
   ;;
-  rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
-    machine=ibmrs6000 opsys=aix4
-  ;;
-  rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
-    machine=ibmrs6000 opsys=aix4-1
-  ;;
-  rs6000-ibm-aix* | powerpc-ibm-aix* )
-    machine=ibmrs6000 opsys=aix3-2
-  ;;
-
-  ## Prime EXL
-  i[3456]86-prime-sysv* )
-    machine=i386 opsys=usg5-3
-  ;;
-
-  ## ncr machine running svr4.3.
-  i[3456]86-ncr-sysv4.3 )
-    machine=ncr386 opsys=usg5-4-3
-  ;;
-
-  ## Unspecified sysv on an ncr machine defaults to svr4.2.
-  ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
-  i[3456]86-ncr-sysv* )
-    machine=ncr386 opsys=usg5-4-2
-  ;;
 
   ## Macintosh PowerPC
   powerpc*-*-linux-gnu* )
     machine=macppc opsys=gnu-linux
   ;;
 
-  ## Workstations sold by MIPS
-  ## This is not necessarily all workstations using the MIPS processor -
-  ## Irises are produced by SGI, and DECstations by DEC.
-
-  mips-mips-bsd* )
-    machine=mips opsys=bsd4-3
-  ;;
-  mips-mips-* )
-    machine=mips opsys=usg5-2-2
-  ;;
-
-  ## NeXT
-  m68*-next-* | m68k-*-nextstep* )
-    machine=m68k opsys=nextstep
-  ;;
-
-  ## NEC EWS4800
-  mips-nec-sysv4*)
-  machine=ews4800 opsys=ux4800
-  ;;
-
-  ## Siemens Nixdorf
-  mips-siemens-sysv* | mips-sni-sysv*)
-    machine=mips-siemens opsys=usg5-4
-    NON_GNU_CC=/usr/ccs/bin/cc
-    NON_GNU_CPP=/usr/ccs/lib/cpp
-  ;;
-
   ## Silicon Graphics machines
   ## Iris 4D
   mips-sgi-irix6.5 )
@@ -2674,13 +2545,12 @@ _ACEOF
     machine=sparc opsys=gnu-linux
   ;;
 
-  *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
+  *-sun-solaris* \
     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
     | rs6000-*-solaris2*)
     case "${canonical}" in
       i[3456]86-*-* )     machine=intel386 ;;
       amd64-*-*|x86_64-*-*)	machine=amdx86-64 ;;
-      powerpcle* )      machine=powerpcle ;;
       powerpc* | rs6000* )  machine=ibmrs6000 ;;
       sparc* )		machine=sparc ;;
       * )		unported=yes ;;
@@ -2710,7 +2580,6 @@ _ACEOF
 		emacs_check_sunpro_c=yes
 		NON_GNU_CPP=/usr/ccs/lib/cpp
 		;;
-      *			  ) opsys=bsd4-2   ;;
     esac
     ## Watch out for a compiler that we know will not work.
     case "${canonical}" in
@@ -2724,24 +2593,11 @@ _ACEOF
       *) ;;
     esac
   ;;
-  sparc-*-nextstep* )
-    machine=sparc opsys=nextstep
-  ;;
-
-  ## Tandem Integrity S2
-  mips-tandem-sysv* )
-    machine=tandem-s2 opsys=usg5-3
-  ;;
 
   ## Vaxen.
   vax-dec-* )
     machine=vax
     case "${canonical}" in
-      *-bsd4.1* ) 					opsys=bsd4-1 ;;
-      *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )	opsys=bsd4-2 ;;
-      *-bsd4.3* | *-ultrix* ) 				opsys=bsd4-3 ;;
-      *-sysv[01]* | *-sysvr[01]* ) 			opsys=usg5-0 ;;
-      *-sysv2* | *-sysvr2* )				opsys=usg5-2 ;;
       *-vms* ) 						opsys=vms ;;
       * ) 						unported=yes
     esac
@@ -2764,8 +2620,6 @@ _ACEOF
       *-sysv4.2uw* )	  	opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
       *-sysv5uw* )	  	opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
       *-sysv5OpenUNIX* )  	opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
-      *-386bsd* )	        opsys=386bsd ;;
-      *-nextstep* )             opsys=nextstep ;;
       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
     esac
   ;;
@@ -2780,13 +2634,6 @@ _ACEOF
     machine=mips opsys=gnu-linux
   ;;
 
-  ## UXP/DS
-  sparc-fujitsu-sysv4* )
-    machine=sparc opsys=uxpds
-    NON_GNU_CPP=/usr/ccs/lib/cpp
-    RANLIB="ar -ts"
-  ;;
-
   ## AMD x86-64 Linux-based GNU system
   x86_64-*-linux-gnu* )
     machine=amdx86-64 opsys=gnu-linux
@@ -2811,13 +2658,6 @@ esac
 if test x"${opsys}" = x; then
   case "${canonical}" in
     *-gnu* )				opsys=gnu ;;
-    *-bsd4.[01] )			opsys=bsd4-1 ;;
-    *-bsd4.2 )				opsys=bsd4-2 ;;
-    *-bsd4.3 )				opsys=bsd4-3 ;;
-    *-sysv0 | *-sysvr0 )		opsys=usg5-0 ;;
-    *-sysv2 | *-sysvr2 )		opsys=usg5-2 ;;
-    *-sysv2.2 | *-sysvr2.2 )		opsys=usg5-2-2 ;;
-    *-sysv3* | *-sysvr3* )		opsys=usg5-3 ;;
     *-sysv4.2uw* )			opsys=unixware ;;
     *-sysv5uw* )			opsys=unixware ;;
     *-sysv5OpenUNIX* )			opsys=unixware ;;
@@ -2840,30 +2680,6 @@ if test x"${opsys}" = x; then
   esac
 fi
 
-### Tests for sytems that we beleive are obsolete and should be desupported.
-
-case "${machine}" in
-     pmax | hp9000s300 | ibm370aix | ncr386 | ews4800 | mips-siemens | powerpcle | tandem-s2 )
-     	  echo "The system that you are configuring on: ${canonical} is considered to be obsolete"
-	  echo "and it is planned to be desupported in the next version of Emacs"
-	  echo "Please email emacs-devel@gnu.org as soon as possible if this system is still in use."
-	  echo "The code is still functional, but you need to edit the 'configure' script and remove the"
-	  echo "exit 33 line.  After that you can run configure again and 'complete' the build."
-	  exit 33
-	  ;;
-esac
-
-case "${opsys}" in
-     bsd386 | bsdos2-1 |  bsdos2 | bsdos3 | bsdos4 | bsd4-1 | bsd4-2 | bsd4-3 | usg5-0 | usg5-2-2 | usg5-2 | usg5-3 | ultrix4-3 | 386bsd | hpux | hpux8 | hpux9 | hpux9shr | hpux10 | hpux10-20 | aix3-1 | aix3-2-5 | aix3-2 | aix4-1 | nextstep | ux4800 | uxpds | uxpv )
-     	  echo "The system that you are configuring on: ${canonical} is considered to be obsolete"
-	  echo "and it is planned to be desupported in the next version of Emacs"
-	  echo "Please email emacs-devel@gnu.org as soon as possible if this system is still in use."
-	  echo "The code is still functional, but you need to edit the 'configure' script and remove the"
-	  echo "'exit 44' line.  After that you can run 'configure' again and complete the build."
-	  exit 44
-	  ;;
-esac
-
 
 
 if test $unported = yes; then
@@ -3902,6 +3718,12 @@ then
   CC="$CC $NON_GCC_TEST_OPTIONS"
 fi
 
+
+cat >>confdefs.h <<\_ACEOF
+#define _GNU_SOURCE 1
+_ACEOF
+
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -4324,24 +4146,21 @@ fi
 rm -f conftest*
 
 
-
-cat >>confdefs.h <<\_ACEOF
-#define _GNU_SOURCE 1
-_ACEOF
-
-
-
-### Use -Wno-pointer-sign if the compiler supports it
-{ echo "$as_me:$LINENO: checking whether gcc understands -Wno-pointer-sign" >&5
-echo $ECHO_N "checking whether gcc understands -Wno-pointer-sign... $ECHO_C" >&6; }
-SAVE_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -Wno-pointer-sign"
-cat >conftest.$ac_ext <<_ACEOF
+{ echo "$as_me:$LINENO: checking for ANSI C header files" >&5
+echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6; }
+if test "${ac_cv_header_stdc+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
 
 int
 main ()
@@ -4368,135 +4187,600 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
 	 test -z "$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        } && test -s conftest.$ac_objext; then
-  has_option=yes
+  ac_cv_header_stdc=yes
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	has_option=no
+	ac_cv_header_stdc=no
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-if test $has_option = yes; then
-   C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
-fi
-{ echo "$as_me:$LINENO: result: $has_option" >&5
-echo "${ECHO_T}$has_option" >&6; }
-CFLAGS="$SAVE_CFLAGS"
-unset has_option
-unset SAVE_CFLAGS
 
-#### Some other nice autoconf tests.
+if test $ac_cv_header_stdc = yes; then
+  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <string.h>
 
-{ echo "$as_me:$LINENO: checking whether ln -s works" >&5
-echo $ECHO_N "checking whether ln -s works... $ECHO_C" >&6; }
-LN_S=$as_ln_s
-if test "$LN_S" = "ln -s"; then
-  { echo "$as_me:$LINENO: result: yes" >&5
-echo "${ECHO_T}yes" >&6; }
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "memchr" >/dev/null 2>&1; then
+  :
 else
-  { echo "$as_me:$LINENO: result: no, using $LN_S" >&5
-echo "${ECHO_T}no, using $LN_S" >&6; }
+  ac_cv_header_stdc=no
 fi
+rm -f conftest*
 
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-{ echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
-echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6; }
-# On Suns, sometimes $CPP names a directory.
-if test -n "$CPP" && test -d "$CPP"; then
-  CPP=
 fi
-if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-      # Double quotes because CPP needs to be expanded
-    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
-    do
-      ac_preproc_ok=false
-for ac_c_preproc_warn_flag in '' yes
-do
-  # Use a header file that comes with gcc, so configuring glibc
-  # with a fresh cross-compiler works.
-  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-  # <limits.h> exists even on freestanding compilers.
-  # On the NeXT, cc -E runs the code through the compiler's parser,
-  # not just through cpp. "Syntax error" is here to catch this case.
+
+if test $ac_cv_header_stdc = yes; then
+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-		     Syntax error
+#include <stdlib.h>
+
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "free" >/dev/null 2>&1; then
   :
 else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  # Broken: fails on valid input.
-continue
+  ac_cv_header_stdc=no
 fi
+rm -f conftest*
 
-rm -f conftest.err conftest.$ac_ext
+fi
 
-  # OK, works on sane cases.  Now check whether nonexistent headers
-  # can be detected and how.
+if test $ac_cv_header_stdc = yes; then
+  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+  if test "$cross_compiling" = yes; then
+  :
+else
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <ac_nonexistent.h>
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+		   (('a' <= (c) && (c) <= 'i') \
+		     || ('j' <= (c) && (c) <= 'r') \
+		     || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+  int i;
+  for (i = 0; i < 256; i++)
+    if (XOR (islower (i), ISLOWER (i))
+	|| toupper (i) != TOUPPER (i))
+      return 2;
+  return 0;
+}
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
+rm -f conftest$ac_exeext
+if { (ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  (eval "$ac_link") 2>&5
   ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  # Broken: success on invalid input.
-continue
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  :
+else
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_header_stdc=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+
+fi
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
+echo "${ECHO_T}$ac_cv_header_stdc" >&6; }
+if test $ac_cv_header_stdc = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define STDC_HEADERS 1
+_ACEOF
+
+fi
+
+# On IRIX 5.3, sys/types and inttypes.h are conflicting.
+
+
+
+
+
+
+
+
+
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+		  inttypes.h stdint.h unistd.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  eval "$as_ac_Header=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	eval "$as_ac_Header=no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+	       { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+if test "${ac_cv_header_minix_config_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for minix/config.h" >&5
+echo $ECHO_N "checking for minix/config.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_minix_config_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_minix_config_h" >&5
+echo "${ECHO_T}$ac_cv_header_minix_config_h" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking minix/config.h usability" >&5
+echo $ECHO_N "checking minix/config.h usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <minix/config.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking minix/config.h presence" >&5
+echo $ECHO_N "checking minix/config.h presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <minix/config.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: minix/config.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: minix/config.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: minix/config.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: minix/config.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: minix/config.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: minix/config.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: minix/config.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: minix/config.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: minix/config.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: minix/config.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: minix/config.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: minix/config.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: minix/config.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: minix/config.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: minix/config.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: minix/config.h: in the future, the compiler will take precedence" >&2;}
+
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for minix/config.h" >&5
+echo $ECHO_N "checking for minix/config.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_minix_config_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_minix_config_h=$ac_header_preproc
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_header_minix_config_h" >&5
+echo "${ECHO_T}$ac_cv_header_minix_config_h" >&6; }
+
+fi
+if test $ac_cv_header_minix_config_h = yes; then
+  MINIX=yes
+else
+  MINIX=
+fi
+
+
+if test "$MINIX" = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define _POSIX_SOURCE 1
+_ACEOF
+
+
+cat >>confdefs.h <<\_ACEOF
+#define _POSIX_1_SOURCE 2
+_ACEOF
+
+
+cat >>confdefs.h <<\_ACEOF
+#define _MINIX 1
+_ACEOF
+
+fi
+
+
+
+
+
+
+
+
+
+
+
+  { echo "$as_me:$LINENO: checking whether it is safe to define __EXTENSIONS__" >&5
+echo $ECHO_N "checking whether it is safe to define __EXTENSIONS__... $ECHO_C" >&6; }
+if test "${ac_cv_safe_to_define___extensions__+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+#	  define __EXTENSIONS__ 1
+	  $ac_includes_default
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_safe_to_define___extensions__=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_safe_to_define___extensions__=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_safe_to_define___extensions__" >&5
+echo "${ECHO_T}$ac_cv_safe_to_define___extensions__" >&6; }
+  test $ac_cv_safe_to_define___extensions__ = yes &&
+    cat >>confdefs.h <<\_ACEOF
+#define __EXTENSIONS__ 1
+_ACEOF
+
+  cat >>confdefs.h <<\_ACEOF
+#define _POSIX_PTHREAD_SEMANTICS 1
+_ACEOF
+
+  cat >>confdefs.h <<\_ACEOF
+#define _TANDEM_SOURCE 1
+_ACEOF
+
+
+
+### Use -Wno-pointer-sign if the compiler supports it
+{ echo "$as_me:$LINENO: checking whether gcc understands -Wno-pointer-sign" >&5
+echo $ECHO_N "checking whether gcc understands -Wno-pointer-sign... $ECHO_C" >&6; }
+SAVE_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Wno-pointer-sign"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  has_option=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	has_option=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+if test $has_option = yes; then
+   C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
+fi
+{ echo "$as_me:$LINENO: result: $has_option" >&5
+echo "${ECHO_T}$has_option" >&6; }
+CFLAGS="$SAVE_CFLAGS"
+unset has_option
+unset SAVE_CFLAGS
+
+#### Some other nice autoconf tests.
+
+{ echo "$as_me:$LINENO: checking whether ln -s works" >&5
+echo $ECHO_N "checking whether ln -s works... $ECHO_C" >&6; }
+LN_S=$as_ln_s
+if test "$LN_S" = "ln -s"; then
+  { echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6; }
+else
+  { echo "$as_me:$LINENO: result: no, using $LN_S" >&5
+echo "${ECHO_T}no, using $LN_S" >&6; }
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
+echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6; }
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+  if test "${ac_cv_prog_CPP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+      # Double quotes because CPP needs to be expanded
+    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
+    do
+      ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+  # <limits.h> exists even on freestanding compilers.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+		     Syntax error
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  :
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  # Broken: fails on valid input.
+continue
+fi
+
+rm -f conftest.err conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then
+  # Broken: success on invalid input.
+continue
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
 
   # Passes both tests.
 ac_preproc_ok=:
@@ -5017,14 +5301,32 @@ if test "$MAKEINFO" != "no" && \
    MAKEINFO=no
 fi
 
+## Makeinfo is unusual.  For a released Emacs, the manuals are
+## pre-built, and not deleted by the normal clean rules.  makeinfo is
+## therefore in the category of "special tools" not normally required, which
+## configure does not have to check for (eg autoconf itself).
+## In a CVS checkout on the other hand, the manuals are not included.
+## So makeinfo is a requirement to build from CVS, and configure
+## should test for it as it does for any other build requirement.
+## We use the presence of $srcdir/info/emacs to distinguish a release,
+## with pre-built manuals, from a CVS checkout.
 if test "$MAKEINFO" = "no"; then
-  { { echo "$as_me:$LINENO: error: makeinfo >= 4.6 is required " >&5
-echo "$as_me: error: makeinfo >= 4.6 is required " >&2;}
+  if test "x${with_makeinfo}" = "xno"; then
+    MAKEINFO=off
+  elif ! test -e $srcdir/info/emacs; then
+    { { echo "$as_me:$LINENO: error: You do not seem to have makeinfo >= 4.6, and your
+source tree does not seem to have pre-built manuals in the \`info' directory.
+Either install a suitable version of makeinfo, or re-run configure
+with the \`--without-makeinfo' option to build without the manuals. " >&5
+echo "$as_me: error: You do not seem to have makeinfo >= 4.6, and your
+source tree does not seem to have pre-built manuals in the \`info' directory.
+Either install a suitable version of makeinfo, or re-run configure
+with the \`--without-makeinfo' option to build without the manuals. " >&2;}
    { (exit 1); exit 1; }; }
+  fi
 fi
 
 
-
 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
 then
   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
@@ -5451,354 +5753,87 @@ cat >>confdefs.h <<_ACEOF
 #define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits
 _ACEOF
 ;;
-esac
-rm -f conftest*
-  if test $ac_cv_sys_file_offset_bits = unknown; then
-    { echo "$as_me:$LINENO: checking for _LARGE_FILES value needed for large files" >&5
-echo $ECHO_N "checking for _LARGE_FILES value needed for large files... $ECHO_C" >&6; }
-if test "${ac_cv_sys_large_files+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  while :; do
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
-    We can't simply define LARGE_OFF_T to be 9223372036854775807,
-    since some C++ compilers masquerading as C compilers
-    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
-  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
-		       && LARGE_OFF_T % 2147483647 == 1)
-		      ? 1 : -1];
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_sys_large_files=no; break
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#define _LARGE_FILES 1
-#include <sys/types.h>
- /* Check that off_t can represent 2**63 - 1 correctly.
-    We can't simply define LARGE_OFF_T to be 9223372036854775807,
-    since some C++ compilers masquerading as C compilers
-    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
-  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
-		       && LARGE_OFF_T % 2147483647 == 1)
-		      ? 1 : -1];
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_sys_large_files=1; break
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  ac_cv_sys_large_files=unknown
-  break
-done
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_sys_large_files" >&5
-echo "${ECHO_T}$ac_cv_sys_large_files" >&6; }
-case $ac_cv_sys_large_files in #(
-  no | unknown) ;;
-  *)
-cat >>confdefs.h <<_ACEOF
-#define _LARGE_FILES $ac_cv_sys_large_files
-_ACEOF
-;;
-esac
-rm -f conftest*
-  fi
-fi
-
-
-
-### The standard library on x86-64 and s390x GNU/Linux distributions can
-### be located in either /usr/lib64 or /usr/lib.
-case "${canonical}" in
-  x86_64-*-linux-gnu* | s390x-*-linux-gnu* )
-    if test -d /usr/lib64; then
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_LIB64_DIR 1
-_ACEOF
-
-fi
-esac
-
-
-
-
-if test "${with_sound}" != "no"; then
-  # Sound support for GNU/Linux and the free BSDs.
-  { echo "$as_me:$LINENO: checking for ANSI C header files" >&5
-echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
-
-int
-main ()
-{
-
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_cv_header_stdc=yes
-else
-  echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_stdc=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-
-if test $ac_cv_header_stdc = yes; then
-  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <string.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then
-  :
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <stdlib.h>
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then
-  :
-else
-  ac_cv_header_stdc=no
-fi
-rm -f conftest*
-
-fi
-
-if test $ac_cv_header_stdc = yes; then
-  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then
-  :
+esac
+rm -f conftest*
+  if test $ac_cv_sys_file_offset_bits = unknown; then
+    { echo "$as_me:$LINENO: checking for _LARGE_FILES value needed for large files" >&5
+echo $ECHO_N "checking for _LARGE_FILES value needed for large files... $ECHO_C" >&6; }
+if test "${ac_cv_sys_large_files+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
 else
+  while :; do
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <ctype.h>
-#include <stdlib.h>
-#if ((' ' & 0x0FF) == 0x020)
-# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
-# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
-#else
-# define ISLOWER(c) \
-		   (('a' <= (c) && (c) <= 'i') \
-		     || ('j' <= (c) && (c) <= 'r') \
-		     || ('s' <= (c) && (c) <= 'z'))
-# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
-#endif
-
-#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
 int
 main ()
 {
-  int i;
-  for (i = 0; i < 256; i++)
-    if (XOR (islower (i), ISLOWER (i))
-	|| toupper (i) != TOUPPER (i))
-      return 2;
+
+  ;
   return 0;
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (ac_try="$ac_link"
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
-  (eval "$ac_try") 2>&5
+  (eval "$ac_compile") 2>conftest.er1
   ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_cv_sys_large_files=no; break
 else
-  echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
+  echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-( exit $ac_status )
-ac_cv_header_stdc=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
-fi
-
-
-fi
-fi
-{ echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
-echo "${ECHO_T}$ac_cv_header_stdc" >&6; }
-if test $ac_cv_header_stdc = yes; then
-
-cat >>confdefs.h <<\_ACEOF
-#define STDC_HEADERS 1
-_ACEOF
 
 fi
 
-# On IRIX 5.3, sys/types and inttypes.h are conflicting.
-
-
-
-
-
-
-
-
-
-for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
-		  inttypes.h stdint.h unistd.h
-do
-as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-{ echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-$ac_includes_default
+#define _LARGE_FILES 1
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+		       && LARGE_OFF_T % 2147483647 == 1)
+		      ? 1 : -1];
+int
+main ()
+{
 
-#include <$ac_header>
+  ;
+  return 0;
+}
 _ACEOF
 rm -f conftest.$ac_objext
 if { (ac_try="$ac_compile"
@@ -5817,29 +5852,53 @@ eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
 	 test -z "$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        } && test -s conftest.$ac_objext; then
-  eval "$as_ac_Header=yes"
+  ac_cv_sys_large_files=1; break
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	eval "$as_ac_Header=no"
+
 fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_cv_sys_large_files=unknown
+  break
+done
 fi
-ac_res=`eval echo '${'$as_ac_Header'}'`
-	       { echo "$as_me:$LINENO: result: $ac_res" >&5
-echo "${ECHO_T}$ac_res" >&6; }
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
-  cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+{ echo "$as_me:$LINENO: result: $ac_cv_sys_large_files" >&5
+echo "${ECHO_T}$ac_cv_sys_large_files" >&6; }
+case $ac_cv_sys_large_files in #(
+  no | unknown) ;;
+  *)
+cat >>confdefs.h <<_ACEOF
+#define _LARGE_FILES $ac_cv_sys_large_files
+_ACEOF
+;;
+esac
+rm -f conftest*
+  fi
+fi
+
+
+
+### The standard library on x86-64 and s390x GNU/Linux distributions can
+### be located in either /usr/lib64 or /usr/lib.
+case "${canonical}" in
+  x86_64-*-linux-gnu* | s390x-*-linux-gnu* )
+    if test -d /usr/lib64; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_LIB64_DIR 1
 _ACEOF
 
 fi
+esac
+
 
-done
 
 
+if test "${with_sound}" != "no"; then
+  # Sound support for GNU/Linux and the free BSDs.
 
 
 
@@ -9057,6 +9116,16 @@ else
   window_system=x11
 fi
 
+## Workaround for bug in autoconf <= 2.62.
+## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
+## No need to do anything special for these standard directories.
+## This is an experiment, take it out if it causes problems.
+if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
+
+   x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
+
+fi
+
 if test "${x_libraries}" != NONE; then
   if test -n "${x_libraries}"; then
     LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
@@ -9105,20 +9174,46 @@ else
   fi
 fi
 
-HAVE_CARBON=no
-if test "${with_carbon}" != no; then
-  if test "${ac_cv_header_Carbon_Carbon_h+set}" = set; then
-  { echo "$as_me:$LINENO: checking for Carbon/Carbon.h" >&5
-echo $ECHO_N "checking for Carbon/Carbon.h... $ECHO_C" >&6; }
-if test "${ac_cv_header_Carbon_Carbon_h+set}" = set; then
+HAVE_NS=no
+NS_IMPL_COCOA=no
+NS_IMPL_GNUSTEP=no
+tmp_CPPFLAGS="$CPPFLAGS"
+tmp_CFLAGS="$CFLAGS"
+CPPFLAGS="$CPPFLAGS -x objective-c"
+CFLAGS="$CFLAGS -x objective-c"
+if test "${with_ns}" != no; then
+  if test "${opsys}" = darwin; then
+     NS_IMPL_COCOA=yes
+     ns_appdir=`pwd`/nextstep/Emacs.app
+     ns_appbindir=`pwd`/nextstep/Emacs.app/Contents/MacOS
+     ns_appresdir=`pwd`/nextstep/Emacs.app/Contents/Resources
+     ns_appsrc=${srcdir}/nextstep/Cocoa/Emacs.base
+  elif test -f /etc/GNUstep/GNUstep.conf; then
+     NS_IMPL_GNUSTEP=yes
+     ns_appdir=`pwd`/nextstep/Emacs.app
+     ns_appbindir=`pwd`/nextstep/Emacs.app
+     ns_appresdir=`pwd`/nextstep/Emacs.app/Resources
+     ns_appsrc=${srcdir}/nextstep/GNUstep/Emacs.base
+     GNUSTEP_MAKEFILES="$(source /etc/GNUstep/GNUstep.conf; echo $GNUSTEP_MAKEFILES)"
+     GNUSTEP_SYSTEM_HEADERS="$(source /etc/GNUstep/GNUstep.conf; echo $GNUSTEP_SYSTEM_HEADERS)"
+     GNUSTEP_SYSTEM_LIBRARIES="$(source /etc/GNUstep/GNUstep.conf; echo $GNUSTEP_SYSTEM_LIBRARIES)"
+     CPPFLAGS="$CPPFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
+     CFLAGS="$CFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
+     REAL_CFLAGS="$REAL_CFLAGS -I${GNUSTEP_SYSTEM_HEADERS}"
+     LDFLAGS="$LDFLAGS -L${GNUSTEP_SYSTEM_LIBRARIES}"
+  fi
+  if test "${ac_cv_header_AppKit_AppKit_h+set}" = set; then
+  { echo "$as_me:$LINENO: checking for AppKit/AppKit.h" >&5
+echo $ECHO_N "checking for AppKit/AppKit.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_AppKit_AppKit_h+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_header_Carbon_Carbon_h" >&5
-echo "${ECHO_T}$ac_cv_header_Carbon_Carbon_h" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_header_AppKit_AppKit_h" >&5
+echo "${ECHO_T}$ac_cv_header_AppKit_AppKit_h" >&6; }
 else
   # Is the header compilable?
-{ echo "$as_me:$LINENO: checking Carbon/Carbon.h usability" >&5
-echo $ECHO_N "checking Carbon/Carbon.h usability... $ECHO_C" >&6; }
+{ echo "$as_me:$LINENO: checking AppKit/AppKit.h usability" >&5
+echo $ECHO_N "checking AppKit/AppKit.h usability... $ECHO_C" >&6; }
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
@@ -9126,7 +9221,7 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-#include <Carbon/Carbon.h>
+#include <AppKit/AppKit.h>
 _ACEOF
 rm -f conftest.$ac_objext
 if { (ac_try="$ac_compile"
@@ -9158,15 +9253,15 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 echo "${ECHO_T}$ac_header_compiler" >&6; }
 
 # Is the header present?
-{ echo "$as_me:$LINENO: checking Carbon/Carbon.h presence" >&5
-echo $ECHO_N "checking Carbon/Carbon.h presence... $ECHO_C" >&6; }
+{ echo "$as_me:$LINENO: checking AppKit/AppKit.h presence" >&5
+echo $ECHO_N "checking AppKit/AppKit.h presence... $ECHO_C" >&6; }
 cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
 _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <Carbon/Carbon.h>
+#include <AppKit/AppKit.h>
 _ACEOF
 if { (ac_try="$ac_cpp conftest.$ac_ext"
 case "(($ac_try" in
@@ -9199,60 +9294,58 @@ echo "${ECHO_T}$ac_header_preproc" >&6; }
 # So?  What about this header?
 case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
   yes:no: )
-    { echo "$as_me:$LINENO: WARNING: Carbon/Carbon.h: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: Carbon/Carbon.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { echo "$as_me:$LINENO: WARNING: Carbon/Carbon.h: proceeding with the compiler's result" >&5
-echo "$as_me: WARNING: Carbon/Carbon.h: proceeding with the compiler's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: AppKit/AppKit.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: AppKit/AppKit.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: AppKit/AppKit.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: AppKit/AppKit.h: proceeding with the compiler's result" >&2;}
     ac_header_preproc=yes
     ;;
   no:yes:* )
-    { echo "$as_me:$LINENO: WARNING: Carbon/Carbon.h: present but cannot be compiled" >&5
-echo "$as_me: WARNING: Carbon/Carbon.h: present but cannot be compiled" >&2;}
-    { echo "$as_me:$LINENO: WARNING: Carbon/Carbon.h:     check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: Carbon/Carbon.h:     check for missing prerequisite headers?" >&2;}
-    { echo "$as_me:$LINENO: WARNING: Carbon/Carbon.h: see the Autoconf documentation" >&5
-echo "$as_me: WARNING: Carbon/Carbon.h: see the Autoconf documentation" >&2;}
-    { echo "$as_me:$LINENO: WARNING: Carbon/Carbon.h:     section \"Present But Cannot Be Compiled\"" >&5
-echo "$as_me: WARNING: Carbon/Carbon.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { echo "$as_me:$LINENO: WARNING: Carbon/Carbon.h: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: Carbon/Carbon.h: proceeding with the preprocessor's result" >&2;}
-    { echo "$as_me:$LINENO: WARNING: Carbon/Carbon.h: in the future, the compiler will take precedence" >&5
-echo "$as_me: WARNING: Carbon/Carbon.h: in the future, the compiler will take precedence" >&2;}
+    { echo "$as_me:$LINENO: WARNING: AppKit/AppKit.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: AppKit/AppKit.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: AppKit/AppKit.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: AppKit/AppKit.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: AppKit/AppKit.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: AppKit/AppKit.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: AppKit/AppKit.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: AppKit/AppKit.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: AppKit/AppKit.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: AppKit/AppKit.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: AppKit/AppKit.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: AppKit/AppKit.h: in the future, the compiler will take precedence" >&2;}
 
     ;;
 esac
-{ echo "$as_me:$LINENO: checking for Carbon/Carbon.h" >&5
-echo $ECHO_N "checking for Carbon/Carbon.h... $ECHO_C" >&6; }
-if test "${ac_cv_header_Carbon_Carbon_h+set}" = set; then
+{ echo "$as_me:$LINENO: checking for AppKit/AppKit.h" >&5
+echo $ECHO_N "checking for AppKit/AppKit.h... $ECHO_C" >&6; }
+if test "${ac_cv_header_AppKit_AppKit_h+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
-  ac_cv_header_Carbon_Carbon_h=$ac_header_preproc
+  ac_cv_header_AppKit_AppKit_h=$ac_header_preproc
 fi
-{ echo "$as_me:$LINENO: result: $ac_cv_header_Carbon_Carbon_h" >&5
-echo "${ECHO_T}$ac_cv_header_Carbon_Carbon_h" >&6; }
+{ echo "$as_me:$LINENO: result: $ac_cv_header_AppKit_AppKit_h" >&5
+echo "${ECHO_T}$ac_cv_header_AppKit_AppKit_h" >&6; }
 
 fi
-if test $ac_cv_header_Carbon_Carbon_h = yes; then
-  HAVE_CARBON=yes
+if test $ac_cv_header_AppKit_AppKit_h = yes; then
+  HAVE_NS=yes
 fi
 
 
 fi
-if test "${window_system}" = x11 && test "${HAVE_CARBON}" = yes; then
-  if test "${with_carbon+set}" != set \
-     && test "${carbon_appdir_x+set}" != set; then
-    for var in with_x with_x_toolkit with_xim \
-               with_xpm with_jpeg with_tiff with_gif with_png; do
-      if eval test \"\${$var+set}\" = set; then
-        HAVE_CARBON=no
-        break
-      fi
-    done
+if test "${HAVE_NS}" = yes; then
+  window_system=nextstep
+  with_xft=no
+  with_freetype=no
+  # set up packaging dirs
+  exec_prefix=${ns_appbindir}
+  libexecdir=${ns_appbindir}/libexec
+  if test "${EN_NS_SELF_CONTAINED}" = yes; then
+     prefix=${ns_appresdir}
   fi
 fi
-if test "${HAVE_CARBON}" = yes; then
-  window_system=mac
-fi
+CFLAGS="$tmp_CFLAGS"
+CPPFLAGS="$tmp_CPPFLAGS"
 
 case "${window_system}" in
   x11 )
@@ -9267,7 +9360,7 @@ case "${window_system}" in
       * ) USE_X_TOOLKIT=maybe ;;
     esac
   ;;
-  mac | none )
+  nextstep | none )
     HAVE_X_WINDOWS=no
     HAVE_X11=no
     USE_X_TOOLKIT=none
@@ -9342,9 +9435,6 @@ case ${HAVE_X11} in
   yes ) HAVE_MENUS=yes ;;
 esac
 
-### Compute the unexec source name from the object name.
-UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
-
 # Do the opsystem or machine files prohibit the use of the GNU malloc?
 # Assume not, until told otherwise.
 GNU_MALLOC=yes
@@ -10663,7 +10753,7 @@ fi
 
 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
 HAVE_RSVG=no
-if test "${HAVE_X11}" = "yes" || test "${HAVE_CARBON}" = "yes"; then
+if test "${HAVE_X11}" = "yes"; then
   if test "${with_rsvg}" != "no"; then
     RSVG_REQUIRED=2.0.0
     RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
@@ -10999,7 +11089,7 @@ echo "$as_me: error: Gtk+ wanted, but it does not compile, see config.log.  Mayb
     HAVE_GTK=yes
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_GTK 1
+#define USE_GTK 1
 _ACEOF
 
     USE_X_TOOLKIT=none
@@ -12256,7 +12346,7 @@ _ACEOF
 _ACEOF
 
     USE_TOOLKIT_SCROLL_BARS=yes
-  elif test "${HAVE_CARBON}" = "yes"; then
+  elif test "${HAVE_NS}" = "yes"; then
     cat >>confdefs.h <<\_ACEOF
 #define USE_TOOLKIT_SCROLL_BARS 1
 _ACEOF
@@ -12401,23 +12491,13 @@ _ACEOF
 fi
 
 ### Start of font-backend section.
-if test "${HAVE_X11}" != "yes"; then
-  USE_FONT_BACKEND=no
-fi
-
-if test "${USE_FONT_BACKEND}" = "yes"; then
-
-cat >>confdefs.h <<\_ACEOF
-#define USE_FONT_BACKEND 1
-_ACEOF
-
 
-  ## Use -lXft if available, unless `--with-freetype=no' nor `--with-xft=no'.
-  HAVE_XFT=maybe
-  if test "x${with_freetype}" = "xno"; then
-    with_xft="no";
-  fi
-  if test "x${with_xft}" != "xno"; then
+## Use -lXft if available, unless `--with-freetype=no' nor `--with-xft=no'.
+HAVE_XFT=maybe
+if test "x${with_freetype}" = "xno"; then
+  with_xft="no";
+fi
+if test "x${with_xft}" != "xno"; then
 
 
   succeeded=no
@@ -12513,14 +12593,14 @@ echo "${ECHO_T}no" >&6; }
      HAVE_XFT=no
   fi
 
-    if test "$HAVE_XFT" != no; then
-      OLD_CPPFLAGS="$CPPFLAGS"
-      OLD_CFLAGS="$CFLAGS"
-      OLD_LIBS="$LIBS"
-      CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
-      CFLAGS="$CFLAGS $XFT_CFLAGS"
-      LIBS="$XFT_LIBS $LIBS"
-      if test "${ac_cv_header_X11_Xft_Xft_h+set}" = set; then
+  if test "$HAVE_XFT" != no; then
+    OLD_CPPFLAGS="$CPPFLAGS"
+    OLD_CFLAGS="$CFLAGS"
+    OLD_LIBS="$LIBS"
+    CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
+    CFLAGS="$CFLAGS $XFT_CFLAGS"
+    LIBS="$XFT_LIBS $LIBS"
+    if test "${ac_cv_header_X11_Xft_Xft_h+set}" = set; then
   { echo "$as_me:$LINENO: checking for X11/Xft/Xft.h" >&5
 echo $ECHO_N "checking for X11/Xft/Xft.h... $ECHO_C" >&6; }
 if test "${ac_cv_header_X11_Xft_Xft_h+set}" = set; then
@@ -12715,32 +12795,32 @@ fi
 
 
 
-      if test "${HAVE_XFT}" = "yes"; then
+    if test "${HAVE_XFT}" = "yes"; then
 
 cat >>confdefs.h <<\_ACEOF
 #define HAVE_XFT 1
 _ACEOF
 
 
-        C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
-      else
-        CPPFLAGS="$OLD_CPPFLAGS"
-        CFLAGS="$OLD_CFLAGS"
-        LIBS="$OLD_LIBS"
-      fi                        # "${HAVE_XFT}" = "yes"
-    fi                          # "$HAVE_XFT" != no
-  fi                            # "x${with_xft}" != "xno"
-
-    if test "$HAVE_XFT" != "yes"; then
-     HAVE_XFT=no
-  fi
+      C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
+    else
+      CPPFLAGS="$OLD_CPPFLAGS"
+      CFLAGS="$OLD_CFLAGS"
+      LIBS="$OLD_LIBS"
+    fi                        # "${HAVE_XFT}" = "yes"
+  fi                          # "$HAVE_XFT" != no
+fi                            # "x${with_xft}" != "xno"
+
+if test "$HAVE_XFT" != "yes"; then
+   HAVE_XFT=no
+fi
 
 
-  HAVE_FREETYPE=no
-  ### Use -lfreetype if available, unless `--with-freetype=no'.
-  if test "${HAVE_XFT}" = "yes"; then
-            HAVE_FREETYPE=yes
-  elif test "x${with_freetype}" != "xno"; then
+HAVE_FREETYPE=no
+### Use -lfreetype if available, unless `--with-freetype=no'.
+if test "${HAVE_XFT}" = "yes"; then
+      HAVE_FREETYPE=yes
+elif test "x${with_freetype}" != "xno"; then
 
 
   succeeded=no
@@ -12836,7 +12916,7 @@ echo "${ECHO_T}no" >&6; }
      HAVE_FREETYPE=no
   fi
 
-    if test "${HAVE_FREETYPE}" = "yes"; then
+  if test "${HAVE_FREETYPE}" = "yes"; then
 
   succeeded=no
 
@@ -12931,20 +13011,20 @@ echo "${ECHO_T}no" >&6; }
      HAVE_FC=no
   fi
 
-      if test "${HAVE_FC}" = "no"; then
-                HAVE_FREETYPE=no
-      fi
+    if test "${HAVE_FC}" = "no"; then
+            HAVE_FREETYPE=no
     fi
   fi
+fi
 
-  HAVE_LIBOTF=no
-  if test "${HAVE_FREETYPE}" = "yes"; then
+HAVE_LIBOTF=no
+if test "${HAVE_FREETYPE}" = "yes"; then
 
 cat >>confdefs.h <<\_ACEOF
 #define HAVE_FREETYPE 1
 _ACEOF
 
-    if test "${with_libotf}" != "no"; then
+  if test "${with_libotf}" != "no"; then
 
   succeeded=no
 
@@ -13039,18 +13119,18 @@ echo "${ECHO_T}no" >&6; }
      HAVE_LIBOTF=no
   fi
 
-      if test "$HAVE_LIBOTF" = "yes"; then
+    if test "$HAVE_LIBOTF" = "yes"; then
 
 cat >>confdefs.h <<\_ACEOF
 #define HAVE_LIBOTF 1
 _ACEOF
 
-      fi
     fi
   fi
+fi
 
-  HAVE_M17N_FLT=no
-  if test "${with_m17n_flt}" != "no"; then
+HAVE_M17N_FLT=no
+if test "${with_m17n_flt}" != "no"; then
 
   succeeded=no
 
@@ -13145,14 +13225,14 @@ echo "${ECHO_T}no" >&6; }
      HAVE_M17N_FLT=no
   fi
 
-    if test "$HAVE_M17N_FLT" = "yes"; then
+  if test "$HAVE_M17N_FLT" = "yes"; then
 
 cat >>confdefs.h <<\_ACEOF
 #define HAVE_M17N_FLT 1
 _ACEOF
 
-    fi
   fi
+fi
 
 
 
@@ -13163,7 +13243,6 @@ _ACEOF
 
 
 
-fi                              # "${USE_FONT_BACKEND}" = "yes"
 ### End of font-backend section.
 
 ### Use -lXpm if available, unless `--with-xpm=no'.
@@ -14742,25 +14821,39 @@ fi
 
 
 
-### Use Mac OS X Carbon API to implement GUI.
-if test "${HAVE_CARBON}" = "yes"; then
+### Use NeXTstep API to implement GUI.
+if test "${HAVE_NS}" = "yes"; then
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_CARBON 1
+#define HAVE_NS 1
+_ACEOF
+
+  if test "${NS_IMPL_COCOA}" = "yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define NS_IMPL_COCOA 1
+_ACEOF
+
+  fi
+  if test "${EN_COCOA_EXPERIMENTAL_CTRL_G}" = "yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define COCOA_EXPERIMENTAL_CTRL_G 1
+_ACEOF
+
+  fi
+  if test "${NS_IMPL_GNUSTEP}" = "yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define NS_IMPL_GNUSTEP 1
 _ACEOF
 
-  ## Specify the install directory
-  carbon_appdir=
-  if test "${carbon_appdir_x}" != ""; then
-    case ${carbon_appdir_x} in
-      y | ye | yes)  carbon_appdir=/Applications ;;
-      * ) carbon_appdir=${carbon_appdir_x} ;;
-    esac
   fi
   # We also have mouse menus.
   HAVE_MENUS=yes
 fi
 
+
 ### Use session management (-lSM -lICE) if available
 HAVE_X_SM=no
 if test "${HAVE_X11}" = "yes"; then
@@ -15969,6 +16062,9 @@ done
 
 
 
+
+
+
 
 
 
@@ -15977,11 +16073,12 @@ for ac_func in gethostname getdomainname dup2 \
 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime setsid \
 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
-utimes setrlimit setpgid getcwd getwd shutdown getaddrinfo \
+utimes getrlimit setrlimit setpgid getcwd getwd shutdown getaddrinfo \
 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
 sendto recvfrom getsockopt setsockopt getsockname getpeername \
 gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
-memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign
+memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign \
+cfmakeraw cfsetspeed
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
 { echo "$as_me:$LINENO: checking for $ac_func" >&5
@@ -16502,7 +16599,6 @@ cat >>conftest.$ac_ext <<_ACEOF
 # endif
 #endif
 
-#include <limits.h>
 #include <stdlib.h>
 
 #ifdef HAVE_UNISTD_H
@@ -16651,15 +16747,12 @@ main ()
      isn't worth using anyway.  */
   alarm (60);
 
-  for (;;)
-    {
-      t = (time_t_max << 1) + 1;
-      if (t <= time_t_max)
-	break;
-      time_t_max = t;
-    }
-  time_t_min = - ((time_t) ~ (time_t) 0 == (time_t) -1) - time_t_max;
-
+  for (time_t_max = 1; 0 < time_t_max; time_t_max *= 2)
+    continue;
+  time_t_max--;
+  if ((time_t) -1 < 0)
+    for (time_t_min = -1; (time_t) (time_t_min * 2) < 0; time_t_min *= 2)
+      continue;
   delta = time_t_max / 997; /* a suitable prime number */
   for (i = 0; i < N_STRINGS; i++)
     {
@@ -16674,12 +16767,10 @@ main ()
 	     && mktime_test ((time_t) (60 * 60 * 24))))
 	return 1;
 
-      for (j = 1; ; j <<= 1)
+      for (j = 1; 0 < j; j *= 2)
 	if (! bigtime_test (j))
 	  return 1;
-	else if (INT_MAX / 2 < j)
-	  break;
-      if (! bigtime_test (INT_MAX))
+      if (! bigtime_test (j - 1))
 	return 1;
     }
   return ! (irix_6_4_bug () && spring_forward_gap () && year_2050_test ());
@@ -18588,11 +18679,13 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <stdio.h>
+#include <sys/types.h> /* for off_t */
+     #include <stdio.h>
 int
 main ()
 {
-return fseeko (stdin, 0, 0) && (fseeko) (stdin, 0, 0);
+int (*fp) (FILE *, off_t, int) = fseeko;
+     return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
   ;
   return 0;
 }
@@ -18632,11 +18725,13 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 #define _LARGEFILE_SOURCE 1
-#include <stdio.h>
+#include <sys/types.h> /* for off_t */
+     #include <stdio.h>
 int
 main ()
 {
-return fseeko (stdin, 0, 0) && (fseeko) (stdin, 0, 0);
+int (*fp) (FILE *, off_t, int) = fseeko;
+     return fseeko (stdin, 0, 0) && fp (stdin, 0, 0);
   ;
   return 0;
 }
@@ -19780,7 +19875,7 @@ _ACEOF
 fi
 
 # Do we need the Hesiod library to provide the support routines?
-if test "$with_hesiod" = yes ; then
+if test "$with_hesiod" != no ; then
   # Don't set $LIBS here -- see comments above.
   { echo "$as_me:$LINENO: checking for res_send" >&5
 echo $ECHO_N "checking for res_send... $ECHO_C" >&6; }
@@ -20259,7 +20354,7 @@ _ACEOF
 fi
 
 # These tell us which Kerberos-related libraries to use.
-if test "${with_kerberos+set}" = set; then
+if test "${with_kerberos}" != no; then
 
 { echo "$as_me:$LINENO: checking for com_err in -lcom_err" >&5
 echo $ECHO_N "checking for com_err in -lcom_err... $ECHO_C" >&6; }
@@ -20544,7 +20639,7 @@ _ACEOF
 
 fi
 
-  if test "${with_kerberos5+set}" != set; then
+  if test "${with_kerberos5}" = no; then
 
 { echo "$as_me:$LINENO: checking for des_cbc_encrypt in -ldes425" >&5
 echo $ECHO_N "checking for des_cbc_encrypt in -ldes425... $ECHO_C" >&6; }
@@ -20833,7 +20928,7 @@ fi
 
   fi
 
-  if test "${with_kerberos5+set}" = set; then
+  if test "${with_kerberos5}" != no; then
 
 for ac_header in krb5.h
 do
@@ -23768,6 +23863,10 @@ fi
 
 
 
+
+
+
+
 
 
 
@@ -23826,6 +23925,19 @@ cat >>confdefs.h <<\_ACEOF
 #define USE_X_TOOLKIT 1
 _ACEOF
 
+  if test "${USE_X_TOOLKIT}" = "LUCID"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define USE_LUCID 1
+_ACEOF
+
+  elif test "${USE_X_TOOLKIT}" = "MOTIF"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define USE_MOTIF 1
+_ACEOF
+
+  fi
 fi
 if test "${HAVE_X11}" = "yes" ; then
 
@@ -23902,14 +24014,12 @@ echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
 echo "  Does Emacs use -lrsvg-2?                                ${HAVE_RSVG}"
 echo "  Does Emacs use -lgpm?                                   ${HAVE_GPM}"
 echo "  Does Emacs use -ldbus?                                  ${HAVE_DBUS}"
-echo "  Does Emacs use a font backend?                          ${USE_FONT_BACKEND}"
 
-if test "${USE_FONT_BACKEND}" = "yes"; then
-  echo "  Does Emacs use -lfreetype?                              ${HAVE_FREETYPE}"
-  echo "  Does Emacs use -lm17n-flt?                              ${HAVE_M17N_FLT}"
-  echo "  Does Emacs use -lotf?                                   ${HAVE_LIBOTF}"
-  echo "  Does Emacs use -lxft?                                   ${HAVE_XFT}"
-fi
+echo "  Does Emacs use -lfreetype?                              ${HAVE_FREETYPE}"
+echo "  Does Emacs use -lm17n-flt?                              ${HAVE_M17N_FLT}"
+echo "  Does Emacs use -lotf?                                   ${HAVE_LIBOTF}"
+echo "  Does Emacs use -lxft?                                   ${HAVE_XFT}"
+
 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
 echo
 
@@ -23918,11 +24028,6 @@ if test $USE_XASSERTS = yes; then
    CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
 fi
 
-if test $USE_SYNC_INPUT = yes; then
-   echo "  Compiling with sync input."
-   CPPFLAGS="$CPPFLAGS -DSYNC_INPUT=1"
-fi
-
 echo
 
 if test "$USE_X_TOOLKIT" = GTK; then
@@ -23935,12 +24040,18 @@ if test "$USE_X_TOOLKIT" = GTK; then
   esac
 fi
 
-
-if test "$HAVE_CARBON" = "yes"; then
+if test "$HAVE_NS" = "yes"; then
    echo
-   echo "Warning: The Mac Carbon port is currently unsupported and has
-known problems.  It is not recommended for use by non-developers.
-Read the emacs-devel archives for more information."
+   echo "You must run \"make install\" in order to test the built application.
+The installed application will go to nextstep/Emacs.app and can be
+run or moved from there."
+   if test "$EN_NS_SELF_CONTAINED" = "yes"; then
+      echo "The application will be fully self-contained."
+    else
+      echo "The lisp resources for the application will be installed under ${prefix}.
+You may need to run \"make install\" with sudo.  The application will fail
+to run if these resources are not installed."
+   fi
    echo
 fi
 
@@ -23956,6 +24067,16 @@ test "${prefix}" != NONE &&
 test "${exec_prefix}" != NONE &&
   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
 
+# 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.
+cpp_undefs="`echo $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'`"
+
 ## 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
@@ -24534,7 +24655,7 @@ cat >>$CONFIG_STATUS <<_ACEOF
 #
 # INIT-COMMANDS
 #
-GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"
+GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS" cpp_undefs="$cpp_undefs"
 
 _ACEOF
 
@@ -24777,11 +24898,15 @@ C_SWITCH_X_SITE!$C_SWITCH_X_SITE$ac_delim
 X_TOOLKIT_TYPE!$X_TOOLKIT_TYPE$ac_delim
 machfile!$machfile$ac_delim
 opsysfile!$opsysfile$ac_delim
-carbon_appdir!$carbon_appdir$ac_delim
+ns_appdir!$ns_appdir$ac_delim
+ns_appbindir!$ns_appbindir$ac_delim
+ns_appresdir!$ns_appresdir$ac_delim
+ns_appsrc!$ns_appsrc$ac_delim
+GNUSTEP_MAKEFILES!$GNUSTEP_MAKEFILES$ac_delim
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 22; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 26; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
@@ -25195,17 +25320,6 @@ 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.
 
-# 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 $canonical |
-sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
-    -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
-`"
-
 echo creating src/epaths.h
 ${MAKE-make} epaths-force
 
@@ -25224,7 +25338,7 @@ echo creating lib-src/Makefile
   sed -e '1,/start of cpp stuff/d'\
       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
       < Makefile.c > junk.c
-  $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
+  $CPP $cpp_undefs -I. -I$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
@@ -25240,7 +25354,7 @@ echo creating src/Makefile
   sed -e '1,/start of cpp stuff/d'\
       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
       < Makefile.c > junk.c
-  $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
+  $CPP $cpp_undefs -I. -I$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
@@ -25253,9 +25367,6 @@ if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
   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
-
  ;;
 
   esac