* configure.in: Restore Kerberos code deleted on 1999-05-29 that didn't need to

be deleted.  Check for the k5crypto library as well as the crypto library; MIT
Kerberos 1.1 changed the name.

3 files changed, 1001 insertions, 227 deletions

diff --git a/ChangeLog b/ChangeLog
index 0f7fe64af2b..41b7a4f5ea0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+1999-11-23  Ken Raeburn  <raeburn@gnu.org>
+
+        * configure.in: Restore Kerberos code deleted on 1999-05-29 that
+        didn't need to be deleted.  Check for the k5crypto library as well
+        as the crypto library; MIT Kerberos 1.1 changed the name.
+
 1999-11-18  Dave Love  <fx@gnu.org>
 
         * configure.in: Fix NON_GNU_CPP for Irix 6 to avoid failing tests.
diff --git a/configure b/configure
index 315d0d493a7..3850689c87c 100755
--- a/configure
+++ b/configure
@@ -16,6 +16,10 @@ ac_help="$ac_help
 ac_help="$ac_help
   --without-pop           don't support POP mail retrieval with movemail"
 ac_help="$ac_help
+  --with-kerberos         support Kerberos-authenticated POP"
+ac_help="$ac_help
+  --with-kerberos5         support Kerberos version 5 authenticated POP"
+ac_help="$ac_help
   --with-hesiod           support Hesiod to get the POP server host"
 ac_help="$ac_help
   --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)"
@@ -576,6 +580,33 @@ EOF
 
 fi
 
+# Check whether --with-kerberos or --without-kerberos was given.
+if test "${with_kerberos+set}" = set; then
+  withval="$with_kerberos"
+  cat >> confdefs.h <<\EOF
+#define KERBEROS 1
+EOF
+
+fi
+
+# Check whether --with-kerberos5 or --without-kerberos5 was given.
+if test "${with_kerberos5+set}" = set; then
+  withval="$with_kerberos5"
+  if test "${with_kerberos5+set}" = set; then
+  if test "${with_kerberos+set}" != set; then
+    with_kerberos=yes
+    cat >> confdefs.h <<\EOF
+#define KERBEROS 1
+EOF
+
+  fi
+fi
+cat >> confdefs.h <<\EOF
+#define KERBEROS5 1
+EOF
+
+fi
+
 # Check whether --with-hesiod or --without-hesiod was given.
 if test "${with_hesiod+set}" = set; then
   withval="$with_hesiod"
@@ -713,7 +744,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:717: checking host system type" >&5
+echo "configure:748: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -1659,7 +1690,7 @@ case ${with_gcc} in
   * ) # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1663: checking for $ac_word" >&5
+echo "configure:1694: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1689,7 +1720,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1693: checking for $ac_word" >&5
+echo "configure:1724: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1740,7 +1771,7 @@ fi
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1744: checking for $ac_word" >&5
+echo "configure:1775: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1772,7 +1803,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1776: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1807: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1783,12 +1814,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1787 "configure"
+#line 1818 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1792: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1823: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -1814,12 +1845,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1818: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1849: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1823: checking whether we are using GNU C" >&5
+echo "configure:1854: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1828,7 +1859,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1832: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1863: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1847,7 +1878,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1851: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1882: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1927,7 +1958,7 @@ fi
 #### #undef clause to src/config.h.in for autoconf to modify.
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:1931: checking whether ln -s works" >&5
+echo "configure:1962: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1948,7 +1979,7 @@ else
 fi
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1952: checking how to run the C preprocessor" >&5
+echo "configure:1983: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1963,13 +1994,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1967 "configure"
+#line 1998 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1973: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2004: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1980,13 +2011,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1984 "configure"
+#line 2015 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1990: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2021: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1997,13 +2028,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 2001 "configure"
+#line 2032 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2007: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2038: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2039,7 +2070,7 @@ echo "$ac_t""$CPP" 1>&6
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:2043: checking for a BSD compatible install" >&5
+echo "configure:2074: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2096,7 +2127,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2100: checking for $ac_word" >&5
+echo "configure:2131: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2128,9 +2159,9 @@ test -n "$YACC" || YACC="yacc"
 
 
 echo $ac_n "checking for AIX""... $ac_c" 1>&6
-echo "configure:2132: checking for AIX" >&5
+echo "configure:2163: checking for AIX" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2134 "configure"
+#line 2165 "configure"
 #include "confdefs.h"
 #ifdef _AIX
   yes
@@ -2157,17 +2188,17 @@ for ac_hdr in machine/soundcard.h sys/soundcard.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2161: checking for $ac_hdr" >&5
+echo "configure:2192: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2166 "configure"
+#line 2197 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2171: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2202: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2200,17 +2231,17 @@ for ac_hdr in sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2204: checking for $ac_hdr" >&5
+echo "configure:2235: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2209 "configure"
+#line 2240 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2214: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2245: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2237,12 +2268,12 @@ fi
 done
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:2241: checking for ANSI C header files" >&5
+echo "configure:2272: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2246 "configure"
+#line 2277 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -2250,7 +2281,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2254: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2285: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2267,7 +2298,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 2271 "configure"
+#line 2302 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -2285,7 +2316,7 @@ 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 <<EOF
-#line 2289 "configure"
+#line 2320 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -2306,7 +2337,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 2310 "configure"
+#line 2341 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -2317,7 +2348,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:2321: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2352: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -2341,12 +2372,12 @@ EOF
 fi
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:2345: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:2376: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2350 "configure"
+#line 2381 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -2355,7 +2386,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:2359: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2390: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -2376,12 +2407,12 @@ EOF
 fi
 
 echo $ac_n "checking for sys_siglist declaration in signal.h or unistd.h""... $ac_c" 1>&6
-echo "configure:2380: checking for sys_siglist declaration in signal.h or unistd.h" >&5
+echo "configure:2411: checking for sys_siglist declaration in signal.h or unistd.h" >&5
 if eval "test \"`echo '$''{'ac_cv_decl_sys_siglist'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2385 "configure"
+#line 2416 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -2393,7 +2424,7 @@ int main() {
 char *msg = *(sys_siglist + 1);
 ; return 0; }
 EOF
-if { (eval echo configure:2397: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2428: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_decl_sys_siglist=yes
 else
@@ -2415,12 +2446,12 @@ fi
 
 
 echo $ac_n "checking for struct utimbuf""... $ac_c" 1>&6
-echo "configure:2419: checking for struct utimbuf" >&5
+echo "configure:2450: checking for struct utimbuf" >&5
 if eval "test \"`echo '$''{'emacs_cv_struct_utimbuf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2424 "configure"
+#line 2455 "configure"
 #include "confdefs.h"
 #ifdef TIME_WITH_SYS_TIME
 #include <sys/time.h>
@@ -2439,7 +2470,7 @@ int main() {
 static struct utimbuf x; x.actime = x.modtime;
 ; return 0; }
 EOF
-if { (eval echo configure:2443: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2474: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   emacs_cv_struct_utimbuf=yes
 else
@@ -2460,12 +2491,12 @@ EOF
 fi
 
 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:2464: checking return type of signal handlers" >&5
+echo "configure:2495: checking return type of signal handlers" >&5
 if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2469 "configure"
+#line 2500 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -2482,7 +2513,7 @@ int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:2486: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2517: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_signal=void
 else
@@ -2502,12 +2533,12 @@ EOF
 
 
 echo $ac_n "checking for struct timeval""... $ac_c" 1>&6
-echo "configure:2506: checking for struct timeval" >&5
+echo "configure:2537: checking for struct timeval" >&5
 if eval "test \"`echo '$''{'emacs_cv_struct_timeval'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2511 "configure"
+#line 2542 "configure"
 #include "confdefs.h"
 #ifdef TIME_WITH_SYS_TIME
 #include <sys/time.h>
@@ -2523,7 +2554,7 @@ int main() {
 static struct timeval x; x.tv_sec = x.tv_usec;
 ; return 0; }
 EOF
-if { (eval echo configure:2527: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2558: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   emacs_cv_struct_timeval=yes
 else
@@ -2545,12 +2576,12 @@ EOF
 fi
 
 echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
-echo "configure:2549: checking whether struct tm is in sys/time.h or time.h" >&5
+echo "configure:2580: checking whether struct tm is in sys/time.h or time.h" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2554 "configure"
+#line 2585 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -2558,7 +2589,7 @@ int main() {
 struct tm *tp; tp->tm_sec;
 ; return 0; }
 EOF
-if { (eval echo configure:2562: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2593: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm=time.h
 else
@@ -2579,12 +2610,12 @@ EOF
 fi
 
 echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
-echo "configure:2583: checking for tm_zone in struct tm" >&5
+echo "configure:2614: checking for tm_zone in struct tm" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2588 "configure"
+#line 2619 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_cv_struct_tm>
@@ -2592,7 +2623,7 @@ int main() {
 struct tm tm; tm.tm_zone;
 ; return 0; }
 EOF
-if { (eval echo configure:2596: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2627: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm_zone=yes
 else
@@ -2612,12 +2643,12 @@ EOF
 
 else
   echo $ac_n "checking for tzname""... $ac_c" 1>&6
-echo "configure:2616: checking for tzname" >&5
+echo "configure:2647: checking for tzname" >&5
 if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2621 "configure"
+#line 2652 "configure"
 #include "confdefs.h"
 #include <time.h>
 #ifndef tzname /* For SGI.  */
@@ -2627,7 +2658,7 @@ int main() {
 atoi(*tzname);
 ; return 0; }
 EOF
-if { (eval echo configure:2631: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2662: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_var_tzname=yes
 else
@@ -2649,19 +2680,19 @@ EOF
 fi
 
 echo $ac_n "checking for tm_gmtoff in struct tm""... $ac_c" 1>&6
-echo "configure:2653: checking for tm_gmtoff in struct tm" >&5
+echo "configure:2684: checking for tm_gmtoff in struct tm" >&5
 if eval "test \"`echo '$''{'emacs_cv_tm_gmtoff'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2658 "configure"
+#line 2689 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 struct tm t; t.tm_gmtoff = 0
 ; return 0; }
 EOF
-if { (eval echo configure:2665: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2696: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   emacs_cv_tm_gmtoff=yes
 else
@@ -2682,12 +2713,12 @@ EOF
 fi
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:2686: checking for working const" >&5
+echo "configure:2717: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2691 "configure"
+#line 2722 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -2736,7 +2767,7 @@ ccp = (char const *const *) p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:2740: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2771: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -2758,7 +2789,7 @@ fi
 
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:2762: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:2793: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2786,7 +2817,7 @@ fi
 
 
 echo $ac_n "checking for long file names""... $ac_c" 1>&6
-echo "configure:2790: checking for long file names" >&5
+echo "configure:2821: checking for long file names" >&5
 if eval "test \"`echo '$''{'ac_cv_sys_long_file_names'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2837,7 +2868,7 @@ fi
 # Uses ac_ vars as temps to allow command line to override cache and checks.
 # --without-x overrides everything else, but does not touch the cache.
 echo $ac_n "checking for X""... $ac_c" 1>&6
-echo "configure:2841: checking for X" >&5
+echo "configure:2872: checking for X" >&5
 
 # Check whether --with-x or --without-x was given.
 if test "${with_x+set}" = set; then
@@ -2899,12 +2930,12 @@ if test "$ac_x_includes" = NO; then
 
   # First, try using that file with no special directory specified.
 cat > conftest.$ac_ext <<EOF
-#line 2903 "configure"
+#line 2934 "configure"
 #include "confdefs.h"
 #include <$x_direct_test_include>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2908: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2939: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2973,14 +3004,14 @@ if test "$ac_x_libraries" = NO; then
   ac_save_LIBS="$LIBS"
   LIBS="-l$x_direct_test_library $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2977 "configure"
+#line 3008 "configure"
 #include "confdefs.h"
 
 int main() {
 ${x_direct_test_function}()
 ; return 0; }
 EOF
-if { (eval echo configure:2984: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3015: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   LIBS="$ac_save_LIBS"
 # We can link X programs with no special library path.
@@ -3155,7 +3186,7 @@ fi
 echo "checking the machine- and system-dependent files to find out
  - which libraries the lib-src programs will want, and
  - whether the GNU malloc routines are usable" 1>&6
-echo "configure:3159: checking the machine- and system-dependent files to find out
+echo "configure:3190: checking the machine- and system-dependent files to find out
  - which libraries the lib-src programs will want, and
  - whether the GNU malloc routines are usable" >&5
 
@@ -3285,12 +3316,12 @@ UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
 GNU_MALLOC=yes
 doug_lea_malloc=yes
 echo $ac_n "checking for malloc_get_state""... $ac_c" 1>&6
-echo "configure:3289: checking for malloc_get_state" >&5
+echo "configure:3320: checking for malloc_get_state" >&5
 if eval "test \"`echo '$''{'ac_cv_func_malloc_get_state'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3294 "configure"
+#line 3325 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char malloc_get_state(); below.  */
@@ -3299,7 +3330,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char malloc_get_state();
-char (*f)();
 
 int main() {
 
@@ -3309,12 +3339,12 @@ int main() {
 #if defined (__stub_malloc_get_state) || defined (__stub___malloc_get_state)
 choke me
 #else
-f = malloc_get_state;
+malloc_get_state();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3318: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3348: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_malloc_get_state=yes"
 else
@@ -3335,12 +3365,12 @@ doug_lea_malloc=no
 fi
 
 echo $ac_n "checking for malloc_set_state""... $ac_c" 1>&6
-echo "configure:3339: checking for malloc_set_state" >&5
+echo "configure:3369: checking for malloc_set_state" >&5
 if eval "test \"`echo '$''{'ac_cv_func_malloc_set_state'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3344 "configure"
+#line 3374 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char malloc_set_state(); below.  */
@@ -3349,7 +3379,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char malloc_set_state();
-char (*f)();
 
 int main() {
 
@@ -3359,12 +3388,12 @@ int main() {
 #if defined (__stub_malloc_set_state) || defined (__stub___malloc_set_state)
 choke me
 #else
-f = malloc_set_state;
+malloc_set_state();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3368: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3397: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_malloc_set_state=yes"
 else
@@ -3385,19 +3414,19 @@ doug_lea_malloc=no
 fi
 
 echo $ac_n "checking whether __after_morecore_hook exists""... $ac_c" 1>&6
-echo "configure:3389: checking whether __after_morecore_hook exists" >&5
+echo "configure:3418: checking whether __after_morecore_hook exists" >&5
 if eval "test \"`echo '$''{'emacs_cv_var___after_morecore_hook'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3394 "configure"
+#line 3423 "configure"
 #include "confdefs.h"
 extern void (* __after_morecore_hook)();
 int main() {
 __after_morecore_hook = 0
 ; return 0; }
 EOF
-if { (eval echo configure:3401: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3430: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   emacs_cv_var___after_morecore_hook=yes
 else
@@ -3447,7 +3476,7 @@ fi
 LIBS="$libsrc_libs $LIBS"
 
 echo $ac_n "checking for dnet_ntoa in -ldnet""... $ac_c" 1>&6
-echo "configure:3451: checking for dnet_ntoa in -ldnet" >&5
+echo "configure:3480: checking for dnet_ntoa in -ldnet" >&5
 ac_lib_var=`echo dnet'_'dnet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3455,7 +3484,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldnet  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3459 "configure"
+#line 3488 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3466,7 +3495,7 @@ int main() {
 dnet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:3470: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3499: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3495,7 +3524,7 @@ fi
 
 
 echo $ac_n "checking for main in -lXbsd""... $ac_c" 1>&6
-echo "configure:3499: checking for main in -lXbsd" >&5
+echo "configure:3528: checking for main in -lXbsd" >&5
 ac_lib_var=`echo Xbsd'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3503,14 +3532,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXbsd  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3507 "configure"
+#line 3536 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3514: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3543: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3532,7 +3561,7 @@ fi
 
 
 echo $ac_n "checking for cma_open in -lpthreads""... $ac_c" 1>&6
-echo "configure:3536: checking for cma_open in -lpthreads" >&5
+echo "configure:3565: checking for cma_open in -lpthreads" >&5
 ac_lib_var=`echo pthreads'_'cma_open | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3540,7 +3569,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthreads  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3544 "configure"
+#line 3573 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3551,7 +3580,7 @@ int main() {
 cma_open()
 ; return 0; }
 EOF
-if { (eval echo configure:3555: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3584: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3580,7 +3609,7 @@ fi
 
 
 echo $ac_n "checking for XFree86 in /usr/X386""... $ac_c" 1>&6
-echo "configure:3584: checking for XFree86 in /usr/X386" >&5
+echo "configure:3613: checking for XFree86 in /usr/X386" >&5
 if test -d /usr/X386/include; then
   HAVE_XFREE386=yes
   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
@@ -3609,16 +3638,16 @@ if test "${HAVE_X11}" = "yes"; then
 
   if test "${opsys}" = "gnu-linux"; then
     echo $ac_n "checking whether X on GNU/Linux needs -b to link""... $ac_c" 1>&6
-echo "configure:3613: checking whether X on GNU/Linux needs -b to link" >&5
+echo "configure:3642: checking whether X on GNU/Linux needs -b to link" >&5
     cat > conftest.$ac_ext <<EOF
-#line 3615 "configure"
+#line 3644 "configure"
 #include "confdefs.h"
 
 int main() {
 XOpenDisplay ("foo");
 ; return 0; }
 EOF
-if { (eval echo configure:3622: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3651: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   xlinux_first_failure=no
 else
@@ -3638,14 +3667,14 @@ rm -f conftest*
       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
       LIBS="$LIBS -b i486-linuxaout"
       cat > conftest.$ac_ext <<EOF
-#line 3642 "configure"
+#line 3671 "configure"
 #include "confdefs.h"
 
 int main() {
 XOpenDisplay ("foo");
 ; return 0; }
 EOF
-if { (eval echo configure:3649: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3678: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   xlinux_second_failure=no
 else
@@ -3675,12 +3704,12 @@ rm -f conftest*
 XScreenNumberOfScreen XSetWMProtocols
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3679: checking for $ac_func" >&5
+echo "configure:3708: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3684 "configure"
+#line 3713 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3689,7 +3718,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -3699,12 +3727,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:3708: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3736: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3732,12 +3760,12 @@ fi
 
 if test "${window_system}" = "x11"; then
   echo $ac_n "checking X11 version 6""... $ac_c" 1>&6
-echo "configure:3736: checking X11 version 6" >&5
+echo "configure:3764: checking X11 version 6" >&5
   if eval "test \"`echo '$''{'emacs_cv_x11_version_6'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3741 "configure"
+#line 3769 "configure"
 #include "confdefs.h"
 #include <X11/Xlib.h>
 int main() {
@@ -3747,7 +3775,7 @@ fail;
 
 ; return 0; }
 EOF
-if { (eval echo configure:3751: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3779: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   emacs_cv_x11_version_6=yes
 else
@@ -3772,12 +3800,12 @@ fi
 
 if test "${window_system}" = "x11"; then
   echo $ac_n "checking X11 version 5""... $ac_c" 1>&6
-echo "configure:3776: checking X11 version 5" >&5
+echo "configure:3804: checking X11 version 5" >&5
   if eval "test \"`echo '$''{'emacs_cv_x11_version_5'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3781 "configure"
+#line 3809 "configure"
 #include "confdefs.h"
 #include <X11/Xlib.h>
 int main() {
@@ -3787,7 +3815,7 @@ fail;
 
 ; return 0; }
 EOF
-if { (eval echo configure:3791: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3819: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   emacs_cv_x11_version_5=yes
 else
@@ -3815,12 +3843,12 @@ fi
 if test x"${USE_X_TOOLKIT}" = xmaybe; then
   if test x"${HAVE_X11R5}" = xyes; then
     echo $ac_n "checking X11 version 5 with Xaw""... $ac_c" 1>&6
-echo "configure:3819: checking X11 version 5 with Xaw" >&5
+echo "configure:3847: checking X11 version 5 with Xaw" >&5
     if eval "test \"`echo '$''{'emacs_cv_x11_version_5_with_xaw'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3824 "configure"
+#line 3852 "configure"
 #include "confdefs.h"
 
 #include <X11/Intrinsic.h>
@@ -3829,7 +3857,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:3833: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3861: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   emacs_cv_x11_version_5_with_xaw=yes
 else
@@ -3857,12 +3885,12 @@ X_TOOLKIT_TYPE=$USE_X_TOOLKIT
 
 if test "${USE_X_TOOLKIT}" != "none"; then
   echo $ac_n "checking X11 toolkit version""... $ac_c" 1>&6
-echo "configure:3861: checking X11 toolkit version" >&5
+echo "configure:3889: checking X11 toolkit version" >&5
   if eval "test \"`echo '$''{'emacs_cv_x11_toolkit_version_6'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3866 "configure"
+#line 3894 "configure"
 #include "confdefs.h"
 #include <X11/Intrinsic.h>
 int main() {
@@ -3872,7 +3900,7 @@ fail;
 
 ; return 0; }
 EOF
-if { (eval echo configure:3876: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3904: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   emacs_cv_x11_toolkit_version_6=yes
 else
@@ -3902,7 +3930,7 @@ EOF
     LIBS="-lXt $LIBS"
   fi
   echo $ac_n "checking for XmuConvertStandardSelection in -lXmu""... $ac_c" 1>&6
-echo "configure:3906: checking for XmuConvertStandardSelection in -lXmu" >&5
+echo "configure:3934: checking for XmuConvertStandardSelection in -lXmu" >&5
 ac_lib_var=`echo Xmu'_'XmuConvertStandardSelection | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3910,7 +3938,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXmu  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3914 "configure"
+#line 3942 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3921,7 +3949,7 @@ int main() {
 XmuConvertStandardSelection()
 ; return 0; }
 EOF
-if { (eval echo configure:3925: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3953: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3953,12 +3981,12 @@ fi
 
 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
   echo $ac_n "checking for Motif version 2.1""... $ac_c" 1>&6
-echo "configure:3957: checking for Motif version 2.1" >&5
+echo "configure:3985: checking for Motif version 2.1" >&5
 if eval "test \"`echo '$''{'emacs_cv_motif_version_2_1'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3962 "configure"
+#line 3990 "configure"
 #include "confdefs.h"
 #include <Xm/Xm.h>
 int main() {
@@ -3969,7 +3997,7 @@ Motif version prior to 2.1.
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:3973: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4001: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   emacs_cv_motif_version_2_1=yes
 else
@@ -3989,7 +4017,7 @@ echo "$ac_t""$emacs_cv_motif_version_2_1" 1>&6
 EOF
 
     echo $ac_n "checking for XpCreateContext in -lXp""... $ac_c" 1>&6
-echo "configure:3993: checking for XpCreateContext in -lXp" >&5
+echo "configure:4021: checking for XpCreateContext in -lXp" >&5
 ac_lib_var=`echo Xp'_'XpCreateContext | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3997,7 +4025,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXp  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4001 "configure"
+#line 4029 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4008,7 +4036,7 @@ int main() {
 XpCreateContext()
 ; return 0; }
 EOF
-if { (eval echo configure:4012: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4040: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4046,17 +4074,17 @@ if test "${HAVE_X11}" = "yes"; then
     CFLAGS="${LD_SWITCH_X_SITE}"
     ac_safe=`echo "X11/Xaw3d/Scrollbar.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for X11/Xaw3d/Scrollbar.h""... $ac_c" 1>&6
-echo "configure:4050: checking for X11/Xaw3d/Scrollbar.h" >&5
+echo "configure:4078: checking for X11/Xaw3d/Scrollbar.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4055 "configure"
+#line 4083 "configure"
 #include "confdefs.h"
 #include <X11/Xaw3d/Scrollbar.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4060: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4088: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4073,7 +4101,7 @@ fi
 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   echo $ac_n "checking for XawScrollbarSetThumb in -lXaw3d""... $ac_c" 1>&6
-echo "configure:4077: checking for XawScrollbarSetThumb in -lXaw3d" >&5
+echo "configure:4105: checking for XawScrollbarSetThumb in -lXaw3d" >&5
 ac_lib_var=`echo Xaw3d'_'XawScrollbarSetThumb | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4081,7 +4109,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXaw3d -lX11 $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4085 "configure"
+#line 4113 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4092,7 +4120,7 @@ int main() {
 XawScrollbarSetThumb()
 ; return 0; }
 EOF
-if { (eval echo configure:4096: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4124: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4156,17 +4184,17 @@ if test "${HAVE_X11}" = "yes"; then
     CFLAGS="${LD_SWITCH_X_SITE}"
     ac_safe=`echo "X11/xpm.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for X11/xpm.h""... $ac_c" 1>&6
-echo "configure:4160: checking for X11/xpm.h" >&5
+echo "configure:4188: checking for X11/xpm.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4165 "configure"
+#line 4193 "configure"
 #include "confdefs.h"
 #include <X11/xpm.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4170: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4198: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4183,7 +4211,7 @@ fi
 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   echo $ac_n "checking for XpmReadFileToPixmap in -lXpm""... $ac_c" 1>&6
-echo "configure:4187: checking for XpmReadFileToPixmap in -lXpm" >&5
+echo "configure:4215: checking for XpmReadFileToPixmap in -lXpm" >&5
 ac_lib_var=`echo Xpm'_'XpmReadFileToPixmap | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4191,7 +4219,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lXpm -lX11 $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4195 "configure"
+#line 4223 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4202,7 +4230,7 @@ int main() {
 XpmReadFileToPixmap()
 ; return 0; }
 EOF
-if { (eval echo configure:4206: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4234: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4244,7 +4272,7 @@ if test "${HAVE_X11}" = "yes"; then
     old_c_flags="${CFLAGS}"
     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
     echo $ac_n "checking for jpeg_destroy_compress in -ljpeg""... $ac_c" 1>&6
-echo "configure:4248: checking for jpeg_destroy_compress in -ljpeg" >&5
+echo "configure:4276: checking for jpeg_destroy_compress in -ljpeg" >&5
 ac_lib_var=`echo jpeg'_'jpeg_destroy_compress | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4252,7 +4280,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ljpeg -lX11 $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4256 "configure"
+#line 4284 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4263,7 +4291,7 @@ int main() {
 jpeg_destroy_compress()
 ; return 0; }
 EOF
-if { (eval echo configure:4267: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4295: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4302,17 +4330,17 @@ if test "${HAVE_X11}" = "yes"; then
     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
     ac_safe=`echo "png.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for png.h""... $ac_c" 1>&6
-echo "configure:4306: checking for png.h" >&5
+echo "configure:4334: checking for png.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4311 "configure"
+#line 4339 "configure"
 #include "confdefs.h"
 #include <png.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4316: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4344: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4329,7 +4357,7 @@ fi
 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   echo $ac_n "checking for png_set_expand in -lpng""... $ac_c" 1>&6
-echo "configure:4333: checking for png_set_expand in -lpng" >&5
+echo "configure:4361: checking for png_set_expand in -lpng" >&5
 ac_lib_var=`echo png'_'png_set_expand | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4337,7 +4365,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpng -lX11 -lz -lm $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4341 "configure"
+#line 4369 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4348,7 +4376,7 @@ int main() {
 png_set_expand()
 ; return 0; }
 EOF
-if { (eval echo configure:4352: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4380: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4391,17 +4419,17 @@ if test "${HAVE_X11}" = "yes"; then
     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
     ac_safe=`echo "tiffio.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for tiffio.h""... $ac_c" 1>&6
-echo "configure:4395: checking for tiffio.h" >&5
+echo "configure:4423: checking for tiffio.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4400 "configure"
+#line 4428 "configure"
 #include "confdefs.h"
 #include <tiffio.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4405: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4433: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4418,7 +4446,7 @@ fi
 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   echo $ac_n "checking for TIFFGetVersion in -ltiff""... $ac_c" 1>&6
-echo "configure:4422: checking for TIFFGetVersion in -ltiff" >&5
+echo "configure:4450: checking for TIFFGetVersion in -ltiff" >&5
 ac_lib_var=`echo tiff'_'TIFFGetVersion | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4426,7 +4454,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ltiff -lX11 -lm $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4430 "configure"
+#line 4458 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4437,7 +4465,7 @@ int main() {
 TIFFGetVersion()
 ; return 0; }
 EOF
-if { (eval echo configure:4441: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4469: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4480,17 +4508,17 @@ if test "${HAVE_X11}" = "yes"; then
     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
     ac_safe=`echo "gif_lib.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for gif_lib.h""... $ac_c" 1>&6
-echo "configure:4484: checking for gif_lib.h" >&5
+echo "configure:4512: checking for gif_lib.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4489 "configure"
+#line 4517 "configure"
 #include "confdefs.h"
 #include <gif_lib.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4494: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4522: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4507,7 +4535,7 @@ fi
 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   echo $ac_n "checking for DGifOpenFileName in -lungif""... $ac_c" 1>&6
-echo "configure:4511: checking for DGifOpenFileName in -lungif" >&5
+echo "configure:4539: checking for DGifOpenFileName in -lungif" >&5
 ac_lib_var=`echo ungif'_'DGifOpenFileName | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4515,7 +4543,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lungif -lX11 $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4519 "configure"
+#line 4547 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4526,7 +4554,7 @@ int main() {
 DGifOpenFileName()
 ; return 0; }
 EOF
-if { (eval echo configure:4530: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4558: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4563,19 +4591,19 @@ fi
 
 # If netdb.h doesn't declare h_errno, we must declare it by hand.
 echo $ac_n "checking whether netdb declares h_errno""... $ac_c" 1>&6
-echo "configure:4567: checking whether netdb declares h_errno" >&5
+echo "configure:4595: checking whether netdb declares h_errno" >&5
 if eval "test \"`echo '$''{'emacs_cv_netdb_declares_h_errno'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4572 "configure"
+#line 4600 "configure"
 #include "confdefs.h"
 #include <netdb.h>
 int main() {
 return h_errno;
 ; return 0; }
 EOF
-if { (eval echo configure:4579: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4607: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   emacs_cv_netdb_declares_h_errno=yes
 else
@@ -4598,19 +4626,19 @@ fi
 # The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
 # for constant arguments.  Useless!
 echo $ac_n "checking for working alloca.h""... $ac_c" 1>&6
-echo "configure:4602: checking for working alloca.h" >&5
+echo "configure:4630: checking for working alloca.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4607 "configure"
+#line 4635 "configure"
 #include "confdefs.h"
 #include <alloca.h>
 int main() {
 char *p = alloca(2 * sizeof(int));
 ; return 0; }
 EOF
-if { (eval echo configure:4614: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4642: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_header_alloca_h=yes
 else
@@ -4631,12 +4659,12 @@ EOF
 fi
 
 echo $ac_n "checking for alloca""... $ac_c" 1>&6
-echo "configure:4635: checking for alloca" >&5
+echo "configure:4663: checking for alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4640 "configure"
+#line 4668 "configure"
 #include "confdefs.h"
 
 #ifdef __GNUC__
@@ -4664,7 +4692,7 @@ int main() {
 char *p = (char *) alloca(1);
 ; return 0; }
 EOF
-if { (eval echo configure:4668: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4696: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_func_alloca_works=yes
 else
@@ -4696,12 +4724,12 @@ EOF
 
 
 echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
-echo "configure:4700: checking whether alloca needs Cray hooks" >&5
+echo "configure:4728: checking whether alloca needs Cray hooks" >&5
 if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4705 "configure"
+#line 4733 "configure"
 #include "confdefs.h"
 #if defined(CRAY) && ! defined(CRAY2)
 webecray
@@ -4726,12 +4754,12 @@ echo "$ac_t""$ac_cv_os_cray" 1>&6
 if test $ac_cv_os_cray = yes; then
 for ac_func in _getb67 GETB67 getb67; do
   echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4730: checking for $ac_func" >&5
+echo "configure:4758: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4735 "configure"
+#line 4763 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4740,7 +4768,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -4750,12 +4777,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:4759: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4786: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4782,7 +4809,7 @@ done
 fi
 
 echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
-echo "configure:4786: checking stack direction for C alloca" >&5
+echo "configure:4813: checking stack direction for C alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4790,7 +4817,7 @@ else
   ac_cv_c_stack_direction=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 4794 "configure"
+#line 4821 "configure"
 #include "confdefs.h"
 find_stack_direction ()
 {
@@ -4809,7 +4836,7 @@ main ()
   exit (find_stack_direction() < 0);
 }
 EOF
-if { (eval echo configure:4813: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4840: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_stack_direction=1
 else
@@ -4834,7 +4861,7 @@ fi
 # fmod, logb, and frexp are found in -lm on most systems.
 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
 echo $ac_n "checking for sqrt in -lm""... $ac_c" 1>&6
-echo "configure:4838: checking for sqrt in -lm" >&5
+echo "configure:4865: checking for sqrt in -lm" >&5
 ac_lib_var=`echo m'_'sqrt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4842,7 +4869,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4846 "configure"
+#line 4873 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4853,7 +4880,7 @@ int main() {
 sqrt()
 ; return 0; }
 EOF
-if { (eval echo configure:4857: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4884: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4883,7 +4910,7 @@ fi
 
 # Check for mail-locking functions in a "mail" library
 echo $ac_n "checking for maillock in -lmail""... $ac_c" 1>&6
-echo "configure:4887: checking for maillock in -lmail" >&5
+echo "configure:4914: checking for maillock in -lmail" >&5
 ac_lib_var=`echo mail'_'maillock | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4891,7 +4918,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lmail  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4895 "configure"
+#line 4922 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4902,7 +4929,7 @@ int main() {
 maillock()
 ; return 0; }
 EOF
-if { (eval echo configure:4906: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4933: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4930,7 +4957,7 @@ else
 fi
 
 echo $ac_n "checking for maillock in -llockfile""... $ac_c" 1>&6
-echo "configure:4934: checking for maillock in -llockfile" >&5
+echo "configure:4961: checking for maillock in -llockfile" >&5
 ac_lib_var=`echo lockfile'_'maillock | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4938,7 +4965,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-llockfile  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4942 "configure"
+#line 4969 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4949,7 +4976,7 @@ int main() {
 maillock()
 ; return 0; }
 EOF
-if { (eval echo configure:4953: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4980: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4983,7 +5010,7 @@ if test "$ac_cv_lib_lockfile_maillock" = no; then
       # Extract the first word of "liblockfile.so", so it can be a program name with args.
 set dummy liblockfile.so; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4987: checking for $ac_word" >&5
+echo "configure:5014: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_liblockfile'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5024,12 +5051,12 @@ fi
 for ac_func in touchlock
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5028: checking for $ac_func" >&5
+echo "configure:5055: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5033 "configure"
+#line 5060 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5038,7 +5065,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -5048,12 +5074,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:5057: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5083: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5081,17 +5107,17 @@ for ac_hdr in maillock.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5085: checking for $ac_hdr" >&5
+echo "configure:5111: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5090 "configure"
+#line 5116 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5095: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5121: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5126,12 +5152,12 @@ utimes setrlimit setpgid getcwd shutdown strftime getaddrinfo \
 __fpending ftello getloadavg mblen mbrlen strsignal
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5130: checking for $ac_func" >&5
+echo "configure:5156: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5135 "configure"
+#line 5161 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5140,7 +5166,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
-char (*f)();
 
 int main() {
 
@@ -5150,12 +5175,12 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
-f = $ac_func;
+$ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:5159: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5184: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5185,7 +5210,7 @@ done
 # It's better to believe a function is not available
 # than to expect to find it in ncurses.
 echo $ac_n "checking for tparm in -lncurses""... $ac_c" 1>&6
-echo "configure:5189: checking for tparm in -lncurses" >&5
+echo "configure:5214: checking for tparm in -lncurses" >&5
 ac_lib_var=`echo ncurses'_'tparm | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5193,7 +5218,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lncurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5197 "configure"
+#line 5222 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -5204,7 +5229,7 @@ int main() {
 tparm()
 ; return 0; }
 EOF
-if { (eval echo configure:5208: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5233: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5232,10 +5257,716 @@ else
 fi
 
 
+# These tell us which Kerberos-related libraries to use.
+if test "${with_kerberos+set}" = set; then
+  echo $ac_n "checking for com_err in -lcom_err""... $ac_c" 1>&6
+echo "configure:5264: checking for com_err in -lcom_err" >&5
+ac_lib_var=`echo com_err'_'com_err | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lcom_err  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 5272 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char com_err();
+
+int main() {
+com_err()
+; return 0; }
+EOF
+if { (eval echo configure:5283: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_lib=HAVE_LIB`echo com_err | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_lib 1
+EOF
+
+  LIBS="-lcom_err $LIBS"
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  echo $ac_n "checking for mit_des_cbc_encrypt in -lk5crypto""... $ac_c" 1>&6
+echo "configure:5311: checking for mit_des_cbc_encrypt in -lk5crypto" >&5
+ac_lib_var=`echo k5crypto'_'mit_des_cbc_encrypt | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lk5crypto  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 5319 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char mit_des_cbc_encrypt();
+
+int main() {
+mit_des_cbc_encrypt()
+; return 0; }
+EOF
+if { (eval echo configure:5330: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_lib=HAVE_LIB`echo k5crypto | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_lib 1
+EOF
+
+  LIBS="-lk5crypto $LIBS"
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  echo $ac_n "checking for mit_des_cbc_encrypt in -lcrypto""... $ac_c" 1>&6
+echo "configure:5358: checking for mit_des_cbc_encrypt in -lcrypto" >&5
+ac_lib_var=`echo crypto'_'mit_des_cbc_encrypt | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lcrypto  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 5366 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char mit_des_cbc_encrypt();
+
+int main() {
+mit_des_cbc_encrypt()
+; return 0; }
+EOF
+if { (eval echo configure:5377: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_lib=HAVE_LIB`echo crypto | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_lib 1
+EOF
+
+  LIBS="-lcrypto $LIBS"
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  echo $ac_n "checking for krb5_init_context in -lkrb5""... $ac_c" 1>&6
+echo "configure:5405: checking for krb5_init_context in -lkrb5" >&5
+ac_lib_var=`echo krb5'_'krb5_init_context | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lkrb5  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 5413 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char krb5_init_context();
+
+int main() {
+krb5_init_context()
+; return 0; }
+EOF
+if { (eval echo configure:5424: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_lib=HAVE_LIB`echo krb5 | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_lib 1
+EOF
+
+  LIBS="-lkrb5 $LIBS"
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  if test "${with_kerberos5+set}" != set; then
+    echo $ac_n "checking for des_cbc_encrypt in -ldes425""... $ac_c" 1>&6
+echo "configure:5453: checking for des_cbc_encrypt in -ldes425" >&5
+ac_lib_var=`echo des425'_'des_cbc_encrypt | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-ldes425  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 5461 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char des_cbc_encrypt();
+
+int main() {
+des_cbc_encrypt()
+; return 0; }
+EOF
+if { (eval echo configure:5472: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_lib=HAVE_LIB`echo des425 | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_lib 1
+EOF
+
+  LIBS="-ldes425 $LIBS"
+
+else
+  echo "$ac_t""no" 1>&6
+echo $ac_n "checking for des_cbc_encrypt in -ldes""... $ac_c" 1>&6
+echo "configure:5498: checking for des_cbc_encrypt in -ldes" >&5
+ac_lib_var=`echo des'_'des_cbc_encrypt | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-ldes  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 5506 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char des_cbc_encrypt();
+
+int main() {
+des_cbc_encrypt()
+; return 0; }
+EOF
+if { (eval echo configure:5517: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_lib=HAVE_LIB`echo des | sed -e 's/^a-zA-Z0-9_/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_lib 1
+EOF
+
+  LIBS="-ldes $LIBS"
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+fi
+
+    echo $ac_n "checking for krb_get_cred in -lkrb4""... $ac_c" 1>&6
+echo "configure:5547: checking for krb_get_cred in -lkrb4" >&5
+ac_lib_var=`echo krb4'_'krb_get_cred | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lkrb4  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 5555 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char krb_get_cred();
+
+int main() {
+krb_get_cred()
+; return 0; }
+EOF
+if { (eval echo configure:5566: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_lib=HAVE_LIB`echo krb4 | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_lib 1
+EOF
+
+  LIBS="-lkrb4 $LIBS"
+
+else
+  echo "$ac_t""no" 1>&6
+echo $ac_n "checking for krb_get_cred in -lkrb""... $ac_c" 1>&6
+echo "configure:5592: checking for krb_get_cred in -lkrb" >&5
+ac_lib_var=`echo krb'_'krb_get_cred | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lkrb  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 5600 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char krb_get_cred();
+
+int main() {
+krb_get_cred()
+; return 0; }
+EOF
+if { (eval echo configure:5611: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_lib=HAVE_LIB`echo krb | sed -e 's/^a-zA-Z0-9_/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_lib 1
+EOF
+
+  LIBS="-lkrb $LIBS"
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+fi
+
+  fi
+
+  if test "${with_kerberos5+set}" = set; then
+    for ac_hdr in krb5.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:5647: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5652 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:5657: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
+fi
+done
+
+  else
+    for ac_hdr in des.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:5688: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5693 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:5698: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
+for ac_hdr in kerberosIV/des.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:5725: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5730 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:5735: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
+for ac_hdr in kerberos/des.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:5762: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5767 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:5772: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
+fi
+done
+
+fi
+done
+
+fi
+done
+
+    for ac_hdr in krb.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:5808: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5813 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:5818: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
+for ac_hdr in kerberosIV/krb.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:5845: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5850 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:5855: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
+for ac_hdr in kerberos/krb.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:5882: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5887 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:5892: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
+fi
+done
+
+fi
+done
+
+fi
+done
+
+  fi
+  for ac_hdr in com_err.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:5929: checking for $ac_hdr" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5934 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:5939: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+ 
+else
+  echo "$ac_t""no" 1>&6
+fi
+done
+
+fi
+
 # Solaris requires -lintl if you want strerror (which calls dgettext)
 # to return localized messages.
 echo $ac_n "checking for dgettext in -lintl""... $ac_c" 1>&6
-echo "configure:5239: checking for dgettext in -lintl" >&5
+echo "configure:5970: checking for dgettext in -lintl" >&5
 ac_lib_var=`echo intl'_'dgettext | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5243,7 +5974,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lintl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5247 "configure"
+#line 5978 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -5254,7 +5985,7 @@ int main() {
 dgettext()
 ; return 0; }
 EOF
-if { (eval echo configure:5258: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5989: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5283,7 +6014,7 @@ fi
 
 
 echo $ac_n "checking whether localtime caches TZ""... $ac_c" 1>&6
-echo "configure:5287: checking whether localtime caches TZ" >&5
+echo "configure:6018: checking whether localtime caches TZ" >&5
 if eval "test \"`echo '$''{'emacs_cv_localtime_cache'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5293,7 +6024,7 @@ if test "$cross_compiling" = yes; then
 emacs_cv_localtime_cache=yes
 else
   cat > conftest.$ac_ext <<EOF
-#line 5297 "configure"
+#line 6028 "configure"
 #include "confdefs.h"
 #include <time.h>
 extern char **environ;
@@ -5325,7 +6056,7 @@ main()
   exit (0);
 }
 EOF
-if { (eval echo configure:5329: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6060: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   emacs_cv_localtime_cache=no
 else
@@ -5353,12 +6084,12 @@ fi
 
 if test "x$HAVE_TIMEVAL" = xyes; then
 echo $ac_n "checking whether gettimeofday can accept two arguments""... $ac_c" 1>&6
-echo "configure:5357: checking whether gettimeofday can accept two arguments" >&5
+echo "configure:6088: checking whether gettimeofday can accept two arguments" >&5
 if eval "test \"`echo '$''{'emacs_cv_gettimeofday_two_arguments'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5362 "configure"
+#line 6093 "configure"
 #include "confdefs.h"
 
 #ifdef TIME_WITH_SYS_TIME
@@ -5380,7 +6111,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:5384: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6115: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   emacs_cv_gettimeofday_two_arguments=yes
 else
@@ -5403,12 +6134,12 @@ fi
 
 ok_so_far=yes
 echo $ac_n "checking for socket""... $ac_c" 1>&6
-echo "configure:5407: checking for socket" >&5
+echo "configure:6138: checking for socket" >&5
 if eval "test \"`echo '$''{'ac_cv_func_socket'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5412 "configure"
+#line 6143 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char socket(); below.  */
@@ -5417,7 +6148,6 @@ else
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char socket();
-char (*f)();
 
 int main() {
 
@@ -5427,12 +6157,12 @@ int main() {
 #if defined (__stub_socket) || defined (__stub___socket)
 choke me
 #else
-f = socket;
+socket();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:5436: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6166: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_socket=yes"
 else
@@ -5455,17 +6185,17 @@ fi
 if test $ok_so_far = yes; then
   ac_safe=`echo "netinet/in.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for netinet/in.h""... $ac_c" 1>&6
-echo "configure:5459: checking for netinet/in.h" >&5
+echo "configure:6189: checking for netinet/in.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5464 "configure"
+#line 6194 "configure"
 #include "confdefs.h"
 #include <netinet/in.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5469: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6199: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5491,17 +6221,17 @@ fi
 if test $ok_so_far = yes; then
   ac_safe=`echo "arpa/inet.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for arpa/inet.h""... $ac_c" 1>&6
-echo "configure:5495: checking for arpa/inet.h" >&5
+echo "configure:6225: checking for arpa/inet.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5500 "configure"
+#line 6230 "configure"
 #include "confdefs.h"
 #include <arpa/inet.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5505: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6235: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5539,7 +6269,7 @@ EOF
 fi
 
 echo $ac_n "checking whether system supports dynamic ptys""... $ac_c" 1>&6
-echo "configure:5543: checking whether system supports dynamic ptys" >&5
+echo "configure:6273: checking whether system supports dynamic ptys" >&5
 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
   echo "$ac_t""yes" 1>&6
   cat >> confdefs.h <<\EOF
diff --git a/configure.in b/configure.in
index 826c8d50272..7fce1785bf1 100644
--- a/configure.in
+++ b/configure.in
@@ -43,6 +43,18 @@ AC_ARG_WITH(pop,
 else :
 fi],
 AC_DEFINE(MAIL_USE_POP))
+AC_ARG_WITH(kerberos,
+[  --with-kerberos         support Kerberos-authenticated POP],
+[AC_DEFINE(KERBEROS)])
+AC_ARG_WITH(kerberos5,
+[  --with-kerberos5         support Kerberos version 5 authenticated POP],
+[if test "${with_kerberos5+set}" = set; then
+  if test "${with_kerberos+set}" != set; then
+    with_kerberos=yes
+    AC_DEFINE(KERBEROS)
+  fi
+fi
+AC_DEFINE(KERBEROS5)])
 AC_ARG_WITH(hesiod,
 [  --with-hesiod           support Hesiod to get the POP server host],
 [AC_DEFINE(HESIOD)])
@@ -1797,6 +1809,32 @@ __fpending ftello getloadavg mblen mbrlen strsignal)
 # than to expect to find it in ncurses.
 AC_CHECK_LIB(ncurses, tparm)
 
+# These tell us which Kerberos-related libraries to use.
+if test "${with_kerberos+set}" = set; then
+  AC_CHECK_LIB(com_err, com_err)
+  AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
+  AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
+  AC_CHECK_LIB(krb5, krb5_init_context)
+  if test "${with_kerberos5+set}" != set; then
+    AC_CHECK_LIB(des425, des_cbc_encrypt,,
+                 AC_CHECK_LIB(des, des_cbc_encrypt))
+    AC_CHECK_LIB(krb4, krb_get_cred,,
+                 AC_CHECK_LIB(krb, krb_get_cred))
+  fi
+
+  if test "${with_kerberos5+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(krb.h,,
+                     AC_CHECK_HEADERS(kerberosIV/krb.h,,
+                                      AC_CHECK_HEADERS(kerberos/krb.h)))
+  fi
+  AC_CHECK_HEADERS(com_err.h)
+fi
+
 # Solaris requires -lintl if you want strerror (which calls dgettext)
 # to return localized messages.
 AC_CHECK_LIB(intl, dgettext)