include -lz and -ljpeg when testing for -ltiff

3 files changed, 140 insertions, 129 deletions

diff --git a/ChangeLog b/ChangeLog
index bcc3f88d283..be36fdd0fd6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2000-02-17  Ken Raeburn  <raeburn@gnu.org>
+
+        * configure.in: Include -lz and -ljpeg (if it's available) when
+        testing for the tiff library.
+
 2000-02-17  Gerd Moellmann  <gerd@gnu.org>
 
         * configure.in: Remove LISP_FLOAT_TYPE.
diff --git a/configure b/configure
index 5e4f5699810..9235ac35e74 100755
--- a/configure
+++ b/configure
@@ -4483,16 +4483,19 @@ rm -f conftest*
 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""... $ac_c" 1>&6
-echo "configure:4488: checking for TIFFGetVersion in -ltiff" >&5
+  tifflibs="-lX11 -lz -lm"
+      # At least one tiff package requires the jpeg library.
+      if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
+      echo $ac_n "checking for TIFFGetVersion in -ltiff""... $ac_c" 1>&6
+echo "configure:4491: checking for TIFFGetVersion in -ltiff" >&5
 ac_lib_var=`echo tiff'_'TIFFGetVersion | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
-LIBS="-ltiff -lX11 -lm $LIBS"
+LIBS="-ltiff $tifflibs $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4496 "configure"
+#line 4499 "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
@@ -4503,7 +4506,7 @@ int main() {
 TIFFGetVersion()
 ; return 0; }
 EOF
-if { (eval echo configure:4507: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4510: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4546,17 +4549,17 @@ if test "${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""... $ac_c" 1>&6
-echo "configure:4550: checking for gif_lib.h" >&5
+echo "configure:4553: checking for gif_lib.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4555 "configure"
+#line 4558 "configure"
 #include "confdefs.h"
 #include <gif_lib.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4560: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4563: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4573,7 +4576,7 @@ fi
 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   echo $ac_n "checking for DGifOpen in -lungif""... $ac_c" 1>&6
-echo "configure:4577: checking for DGifOpen in -lungif" >&5
+echo "configure:4580: checking for DGifOpen in -lungif" >&5
 ac_lib_var=`echo ungif'_'DGifOpen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4581,7 +4584,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lungif -lX11 $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4585 "configure"
+#line 4588 "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
@@ -4592,7 +4595,7 @@ int main() {
 DGifOpen()
 ; return 0; }
 EOF
-if { (eval echo configure:4596: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4599: \"$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
@@ -4629,19 +4632,19 @@ fi
 
 # If netdb.h doesn't declare h_errno, we must declare it by hand.
 echo $ac_n "checking whether netdb declares h_errno""... $ac_c" 1>&6
-echo "configure:4633: checking whether netdb declares h_errno" >&5
+echo "configure:4636: checking whether netdb declares h_errno" >&5
 if eval "test \"`echo '$''{'emacs_cv_netdb_declares_h_errno'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4638 "configure"
+#line 4641 "configure"
 #include "confdefs.h"
 #include <netdb.h>
 int main() {
 return h_errno;
 ; return 0; }
 EOF
-if { (eval echo configure:4645: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4648: \"$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
@@ -4664,19 +4667,19 @@ 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""... $ac_c" 1>&6
-echo "configure:4668: checking for working alloca.h" >&5
+echo "configure:4671: checking for working alloca.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4673 "configure"
+#line 4676 "configure"
 #include "confdefs.h"
 #include <alloca.h>
 int main() {
 char *p = alloca(2 * sizeof(int));
 ; return 0; }
 EOF
-if { (eval echo configure:4680: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4683: \"$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
@@ -4697,12 +4700,12 @@ EOF
 fi
 
 echo $ac_n "checking for alloca""... $ac_c" 1>&6
-echo "configure:4701: checking for alloca" >&5
+echo "configure:4704: checking for alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4706 "configure"
+#line 4709 "configure"
 #include "confdefs.h"
 
 #ifdef __GNUC__
@@ -4730,7 +4733,7 @@ int main() {
 char *p = (char *) alloca(1);
 ; return 0; }
 EOF
-if { (eval echo configure:4734: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4737: \"$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
@@ -4762,12 +4765,12 @@ EOF
 
 
 echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
-echo "configure:4766: checking whether alloca needs Cray hooks" >&5
+echo "configure:4769: checking whether alloca needs Cray hooks" >&5
 if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4771 "configure"
+#line 4774 "configure"
 #include "confdefs.h"
 #if defined(CRAY) && ! defined(CRAY2)
 webecray
@@ -4792,12 +4795,12 @@ 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:4796: checking for $ac_func" >&5
+echo "configure:4799: 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 4801 "configure"
+#line 4804 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4820,7 +4823,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4824: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4827: \"$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
@@ -4847,7 +4850,7 @@ done
 fi
 
 echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
-echo "configure:4851: checking stack direction for C alloca" >&5
+echo "configure:4854: checking stack direction for C alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4855,7 +4858,7 @@ else
   ac_cv_c_stack_direction=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 4859 "configure"
+#line 4862 "configure"
 #include "confdefs.h"
 find_stack_direction ()
 {
@@ -4874,7 +4877,7 @@ main ()
   exit (find_stack_direction() < 0);
 }
 EOF
-if { (eval echo configure:4878: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:4881: \"$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
@@ -4899,7 +4902,7 @@ 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""... $ac_c" 1>&6
-echo "configure:4903: checking for sqrt in -lm" >&5
+echo "configure:4906: checking for sqrt in -lm" >&5
 ac_lib_var=`echo m'_'sqrt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4907,7 +4910,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4911 "configure"
+#line 4914 "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
@@ -4918,7 +4921,7 @@ int main() {
 sqrt()
 ; return 0; }
 EOF
-if { (eval echo configure:4922: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4925: \"$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
@@ -4948,7 +4951,7 @@ fi
 
 # Check for mail-locking functions in a "mail" library
 echo $ac_n "checking for maillock in -lmail""... $ac_c" 1>&6
-echo "configure:4952: checking for maillock in -lmail" >&5
+echo "configure:4955: checking for maillock in -lmail" >&5
 ac_lib_var=`echo mail'_'maillock | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4956,7 +4959,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lmail  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4960 "configure"
+#line 4963 "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
@@ -4967,7 +4970,7 @@ int main() {
 maillock()
 ; return 0; }
 EOF
-if { (eval echo configure:4971: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4974: \"$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
@@ -4995,7 +4998,7 @@ else
 fi
 
 echo $ac_n "checking for maillock in -llockfile""... $ac_c" 1>&6
-echo "configure:4999: checking for maillock in -llockfile" >&5
+echo "configure:5002: checking for maillock in -llockfile" >&5
 ac_lib_var=`echo lockfile'_'maillock | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5003,7 +5006,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-llockfile  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5007 "configure"
+#line 5010 "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
@@ -5014,7 +5017,7 @@ int main() {
 maillock()
 ; return 0; }
 EOF
-if { (eval echo configure:5018: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5021: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5048,7 +5051,7 @@ if test "$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:5052: checking for $ac_word" >&5
+echo "configure:5055: 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
@@ -5089,12 +5092,12 @@ fi
 for ac_func in touchlock
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5093: checking for $ac_func" >&5
+echo "configure:5096: 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 5098 "configure"
+#line 5101 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5117,7 +5120,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5121: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5124: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5145,17 +5148,17 @@ for ac_hdr in maillock.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5149: checking for $ac_hdr" >&5
+echo "configure:5152: 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 5154 "configure"
+#line 5157 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5159: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5162: \"$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*
@@ -5190,12 +5193,12 @@ utimes setrlimit setpgid getcwd shutdown strftime getaddrinfo \
 __fpending ftello getloadavg mblen mbrlen strsignal setitimer ualarm
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5194: checking for $ac_func" >&5
+echo "configure:5197: 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 5199 "configure"
+#line 5202 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5218,7 +5221,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5222: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5225: \"$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
@@ -5248,7 +5251,7 @@ 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""... $ac_c" 1>&6
-echo "configure:5252: checking for tparm in -lncurses" >&5
+echo "configure:5255: checking for tparm in -lncurses" >&5
 ac_lib_var=`echo ncurses'_'tparm | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5256,7 +5259,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lncurses  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5260 "configure"
+#line 5263 "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
@@ -5267,7 +5270,7 @@ int main() {
 tparm()
 ; return 0; }
 EOF
-if { (eval echo configure:5271: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5274: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5298,7 +5301,7 @@ fi
 # These tell us which Kerberos-related libraries to use.
 if test "${with_kerberos+set}" = set; then
   echo $ac_n "checking for com_err in -lcom_err""... $ac_c" 1>&6
-echo "configure:5302: checking for com_err in -lcom_err" >&5
+echo "configure:5305: checking for com_err in -lcom_err" >&5
 ac_lib_var=`echo com_err'_'com_err | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5306,7 +5309,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lcom_err  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5310 "configure"
+#line 5313 "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
@@ -5317,7 +5320,7 @@ int main() {
 com_err()
 ; return 0; }
 EOF
-if { (eval echo configure:5321: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5324: \"$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
@@ -5345,7 +5348,7 @@ else
 fi
 
   echo $ac_n "checking for mit_des_cbc_encrypt in -lk5crypto""... $ac_c" 1>&6
-echo "configure:5349: checking for mit_des_cbc_encrypt in -lk5crypto" >&5
+echo "configure:5352: checking for mit_des_cbc_encrypt in -lk5crypto" >&5
 ac_lib_var=`echo k5crypto'_'mit_des_cbc_encrypt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5353,7 +5356,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lk5crypto  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5357 "configure"
+#line 5360 "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
@@ -5364,7 +5367,7 @@ int main() {
 mit_des_cbc_encrypt()
 ; return 0; }
 EOF
-if { (eval echo configure:5368: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5371: \"$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
@@ -5392,7 +5395,7 @@ else
 fi
 
   echo $ac_n "checking for mit_des_cbc_encrypt in -lcrypto""... $ac_c" 1>&6
-echo "configure:5396: checking for mit_des_cbc_encrypt in -lcrypto" >&5
+echo "configure:5399: checking for mit_des_cbc_encrypt in -lcrypto" >&5
 ac_lib_var=`echo crypto'_'mit_des_cbc_encrypt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5400,7 +5403,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lcrypto  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5404 "configure"
+#line 5407 "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
@@ -5411,7 +5414,7 @@ int main() {
 mit_des_cbc_encrypt()
 ; return 0; }
 EOF
-if { (eval echo configure:5415: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5418: \"$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
@@ -5439,7 +5442,7 @@ else
 fi
 
   echo $ac_n "checking for krb5_init_context in -lkrb5""... $ac_c" 1>&6
-echo "configure:5443: checking for krb5_init_context in -lkrb5" >&5
+echo "configure:5446: checking for krb5_init_context in -lkrb5" >&5
 ac_lib_var=`echo krb5'_'krb5_init_context | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5447,7 +5450,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lkrb5  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5451 "configure"
+#line 5454 "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
@@ -5458,7 +5461,7 @@ int main() {
 krb5_init_context()
 ; return 0; }
 EOF
-if { (eval echo configure:5462: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5465: \"$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
@@ -5487,7 +5490,7 @@ fi
 
   if test "${with_kerberos5+set}" != set; then
     echo $ac_n "checking for des_cbc_encrypt in -ldes425""... $ac_c" 1>&6
-echo "configure:5491: checking for des_cbc_encrypt in -ldes425" >&5
+echo "configure:5494: checking for des_cbc_encrypt in -ldes425" >&5
 ac_lib_var=`echo des425'_'des_cbc_encrypt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5495,7 +5498,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldes425  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5499 "configure"
+#line 5502 "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
@@ -5506,7 +5509,7 @@ int main() {
 des_cbc_encrypt()
 ; return 0; }
 EOF
-if { (eval echo configure:5510: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5513: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5532,7 +5535,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for des_cbc_encrypt in -ldes""... $ac_c" 1>&6
-echo "configure:5536: checking for des_cbc_encrypt in -ldes" >&5
+echo "configure:5539: checking for des_cbc_encrypt in -ldes" >&5
 ac_lib_var=`echo des'_'des_cbc_encrypt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5540,7 +5543,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldes  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5544 "configure"
+#line 5547 "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
@@ -5551,7 +5554,7 @@ int main() {
 des_cbc_encrypt()
 ; return 0; }
 EOF
-if { (eval echo configure:5555: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5558: \"$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
@@ -5581,7 +5584,7 @@ fi
 fi
 
     echo $ac_n "checking for krb_get_cred in -lkrb4""... $ac_c" 1>&6
-echo "configure:5585: checking for krb_get_cred in -lkrb4" >&5
+echo "configure:5588: checking for krb_get_cred in -lkrb4" >&5
 ac_lib_var=`echo krb4'_'krb_get_cred | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5589,7 +5592,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lkrb4  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5593 "configure"
+#line 5596 "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
@@ -5600,7 +5603,7 @@ int main() {
 krb_get_cred()
 ; return 0; }
 EOF
-if { (eval echo configure:5604: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5607: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5626,7 +5629,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for krb_get_cred in -lkrb""... $ac_c" 1>&6
-echo "configure:5630: checking for krb_get_cred in -lkrb" >&5
+echo "configure:5633: checking for krb_get_cred in -lkrb" >&5
 ac_lib_var=`echo krb'_'krb_get_cred | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5634,7 +5637,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lkrb  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5638 "configure"
+#line 5641 "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
@@ -5645,7 +5648,7 @@ int main() {
 krb_get_cred()
 ; return 0; }
 EOF
-if { (eval echo configure:5649: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5652: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5681,17 +5684,17 @@ fi
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5685: checking for $ac_hdr" >&5
+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 5690 "configure"
+#line 5693 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5695: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5698: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5722,17 +5725,17 @@ done
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5726: checking for $ac_hdr" >&5
+echo "configure:5729: 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 5731 "configure"
+#line 5734 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5736: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5739: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5759,17 +5762,17 @@ for ac_hdr in kerberosIV/des.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5763: checking for $ac_hdr" >&5
+echo "configure:5766: 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 5768 "configure"
+#line 5771 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5773: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5776: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5796,17 +5799,17 @@ for ac_hdr in kerberos/des.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5800: checking for $ac_hdr" >&5
+echo "configure:5803: 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 5805 "configure"
+#line 5808 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5810: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5813: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5842,17 +5845,17 @@ done
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5846: checking for $ac_hdr" >&5
+echo "configure:5849: 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 5851 "configure"
+#line 5854 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5856: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5859: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5879,17 +5882,17 @@ for ac_hdr in kerberosIV/krb.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5883: checking for $ac_hdr" >&5
+echo "configure:5886: 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 5888 "configure"
+#line 5891 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5893: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5896: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5916,17 +5919,17 @@ for ac_hdr in kerberos/krb.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5920: checking for $ac_hdr" >&5
+echo "configure:5923: 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 5925 "configure"
+#line 5928 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5930: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5933: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5963,17 +5966,17 @@ done
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5967: checking for $ac_hdr" >&5
+echo "configure:5970: 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 5972 "configure"
+#line 5975 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5977: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5980: \"$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*
@@ -6004,7 +6007,7 @@ fi
 # Solaris requires -lintl if you want strerror (which calls dgettext)
 # to return localized messages.
 echo $ac_n "checking for dgettext in -lintl""... $ac_c" 1>&6
-echo "configure:6008: checking for dgettext in -lintl" >&5
+echo "configure:6011: checking for dgettext in -lintl" >&5
 ac_lib_var=`echo intl'_'dgettext | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6012,7 +6015,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lintl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6016 "configure"
+#line 6019 "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
@@ -6023,7 +6026,7 @@ int main() {
 dgettext()
 ; return 0; }
 EOF
-if { (eval echo configure:6027: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6030: \"$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
@@ -6052,7 +6055,7 @@ fi
 
 
 echo $ac_n "checking whether localtime caches TZ""... $ac_c" 1>&6
-echo "configure:6056: checking whether localtime caches TZ" >&5
+echo "configure:6059: checking whether localtime caches TZ" >&5
 if eval "test \"`echo '$''{'emacs_cv_localtime_cache'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6062,7 +6065,7 @@ if test "$cross_compiling" = yes; then
 emacs_cv_localtime_cache=yes
 else
   cat > conftest.$ac_ext <<EOF
-#line 6066 "configure"
+#line 6069 "configure"
 #include "confdefs.h"
 #include <time.h>
 extern char **environ;
@@ -6094,7 +6097,7 @@ main()
   exit (0);
 }
 EOF
-if { (eval echo configure:6098: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6101: \"$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
@@ -6122,12 +6125,12 @@ fi
 
 if test "x$HAVE_TIMEVAL" = xyes; then
 echo $ac_n "checking whether gettimeofday can accept two arguments""... $ac_c" 1>&6
-echo "configure:6126: checking whether gettimeofday can accept two arguments" >&5
+echo "configure:6129: checking whether gettimeofday can accept two arguments" >&5
 if eval "test \"`echo '$''{'emacs_cv_gettimeofday_two_arguments'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6131 "configure"
+#line 6134 "configure"
 #include "confdefs.h"
 
 #ifdef TIME_WITH_SYS_TIME
@@ -6149,7 +6152,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:6153: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6156: \"$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
@@ -6172,12 +6175,12 @@ fi
 
 ok_so_far=yes
 echo $ac_n "checking for socket""... $ac_c" 1>&6
-echo "configure:6176: checking for socket" >&5
+echo "configure:6179: checking for socket" >&5
 if eval "test \"`echo '$''{'ac_cv_func_socket'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6181 "configure"
+#line 6184 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char socket(); below.  */
@@ -6200,7 +6203,7 @@ socket();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6204: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6207: \"$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
@@ -6223,17 +6226,17 @@ 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""... $ac_c" 1>&6
-echo "configure:6227: checking for netinet/in.h" >&5
+echo "configure:6230: checking for netinet/in.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6232 "configure"
+#line 6235 "configure"
 #include "confdefs.h"
 #include <netinet/in.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6237: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6240: \"$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*
@@ -6259,17 +6262,17 @@ 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""... $ac_c" 1>&6
-echo "configure:6263: checking for arpa/inet.h" >&5
+echo "configure:6266: checking for arpa/inet.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6268 "configure"
+#line 6271 "configure"
 #include "confdefs.h"
 #include <arpa/inet.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6273: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6276: \"$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*
@@ -6307,7 +6310,7 @@ EOF
 fi
 
 echo $ac_n "checking whether system supports dynamic ptys""... $ac_c" 1>&6
-echo "configure:6311: checking whether system supports dynamic ptys" >&5
+echo "configure:6314: checking whether system supports dynamic ptys" >&5
 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
   echo "$ac_t""yes" 1>&6
   cat >> confdefs.h <<\EOF
@@ -6319,12 +6322,12 @@ else
 fi
 
 echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:6323: checking for pid_t" >&5
+echo "configure:6326: checking for pid_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6328 "configure"
+#line 6331 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -6353,17 +6356,17 @@ fi
 
 ac_safe=`echo "vfork.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for vfork.h""... $ac_c" 1>&6
-echo "configure:6357: checking for vfork.h" >&5
+echo "configure:6360: checking for vfork.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6362 "configure"
+#line 6365 "configure"
 #include "confdefs.h"
 #include <vfork.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:6367: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:6370: \"$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*
@@ -6388,18 +6391,18 @@ else
 fi
 
 echo $ac_n "checking for working vfork""... $ac_c" 1>&6
-echo "configure:6392: checking for working vfork" >&5
+echo "configure:6395: checking for working vfork" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vfork_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$cross_compiling" = yes; then
   echo $ac_n "checking for vfork""... $ac_c" 1>&6
-echo "configure:6398: checking for vfork" >&5
+echo "configure:6401: checking for vfork" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vfork'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6403 "configure"
+#line 6406 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vfork(); below.  */
@@ -6422,7 +6425,7 @@ vfork();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6426: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6429: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_vfork=yes"
 else
@@ -6444,7 +6447,7 @@ fi
 ac_cv_func_vfork_works=$ac_cv_func_vfork
 else
   cat > conftest.$ac_ext <<EOF
-#line 6448 "configure"
+#line 6451 "configure"
 #include "confdefs.h"
 /* Thanks to Paul Eggert for this test.  */
 #include <stdio.h>
@@ -6539,7 +6542,7 @@ main() {
   }
 }
 EOF
-if { (eval echo configure:6543: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6546: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_vfork_works=yes
 else
diff --git a/configure.in b/configure.in
index 81393e1145c..2c999c2ce5f 100644
--- a/configure.in
+++ b/configure.in
@@ -1740,7 +1740,10 @@ if test "${HAVE_X11}" = "yes"; then
     old_c_flags="${CFLAGS}"
     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
     AC_CHECK_HEADER(tiffio.h,
-      AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , -lX11 -lm))
+      tifflibs="-lX11 -lz -lm"
+      # At least one tiff package requires the jpeg library.
+      if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
+      AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
     CFLAGS="${old_c_flags}"
   fi