diff -ur gnuplot-3.7.1.orig/config.hin gnuplot-3.7.1/config.hin
--- gnuplot-3.7.1.orig/config.hin	Fri Oct 22 19:29:08 1999
+++ gnuplot-3.7.1/config.hin	Fri Dec  3 20:47:50 1999
@@ -210,6 +210,9 @@
 /*  Define if you want to use a newer version of libgrx under MSDOS/djgpp.  */
 #undef GRX21
 
+/*  Define on FreeBSD to suppress SIGFPE on divide by zero.  */
+#undef SUPPRESS_386_SIGFPE
+
 /*  Define if <errno.h> declares errno.  */
 #undef EXTERN_ERRNO
 
diff -ur gnuplot-3.7.1.orig/configure gnuplot-3.7.1/configure
--- gnuplot-3.7.1.orig/configure	Sun Nov  7 15:57:22 1999
+++ gnuplot-3.7.1/configure	Sun Dec  5 21:15:56 1999
@@ -3132,10 +3132,58 @@
 fi
 
 
+ac_safe=`echo "floatingpoint.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for floatingpoint.h""... $ac_c" 1>&6
+echo "configure:3138: checking for floatingpoint.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3143 "configure"
+#include "confdefs.h"
+#include <floatingpoint.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:3148: \"$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
+  cat > conftest.$ac_ext <<EOF
+#line 3165 "configure"
+#include "confdefs.h"
+#include <floatingpoint.h>
+EOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  egrep "__fpsetreg" >/dev/null 2>&1; then
+  rm -rf conftest*
+  cat >> confdefs.h <<\EOF
+#define SUPPRESS_386_SIGFPE 1
+EOF
+
+fi
+rm -f conftest*
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+
 echo $ac_n "checking for unistd.h""... $ac_c" 1>&6
-echo "configure:3137: checking for unistd.h" >&5
+echo "configure:3185: checking for unistd.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 3139 "configure"
+#line 3187 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 EOF
@@ -3154,9 +3202,9 @@
 
 
 echo $ac_n "checking if errno variable is declared""... $ac_c" 1>&6
-echo "configure:3158: checking if errno variable is declared" >&5
+echo "configure:3206: checking if errno variable is declared" >&5
 cat > conftest.$ac_ext <<EOF
-#line 3160 "configure"
+#line 3208 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #ifdef HAVE_ERRNO_H
@@ -3166,7 +3214,7 @@
 errno=0
 ; return 0; }
 EOF
-if { (eval echo configure:3170: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3218: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 else
@@ -3183,12 +3231,12 @@
 rm -f conftest*
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:3187: checking for size_t" >&5
+echo "configure:3235: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3192 "configure"
+#line 3240 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -3216,9 +3264,9 @@
 fi
 
 echo $ac_n "checking for time_t in time.h""... $ac_c" 1>&6
-echo "configure:3220: checking for time_t in time.h" >&5
+echo "configure:3268: checking for time_t in time.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 3222 "configure"
+#line 3270 "configure"
 #include "confdefs.h"
 #include <time.h>
 EOF
@@ -3229,12 +3277,12 @@
 else
   rm -rf conftest*
      echo "$ac_t""no" 1>&6 echo $ac_n "checking for time_t""... $ac_c" 1>&6
-echo "configure:3233: checking for time_t" >&5
+echo "configure:3281: checking for time_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_time_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3238 "configure"
+#line 3286 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -3265,12 +3313,12 @@
 rm -f conftest*
 
 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:3269: checking return type of signal handlers" >&5
+echo "configure:3317: checking return type of signal handlers" >&5
 if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3274 "configure"
+#line 3322 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -3287,7 +3335,7 @@
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:3291: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3339: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_signal=void
 else
@@ -3312,12 +3360,12 @@
   strerror strchr index strrchr rindex strstr
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3316: checking for $ac_func" >&5
+echo "configure:3364: 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 3321 "configure"
+#line 3369 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3340,7 +3388,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:3344: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3392: \"$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
@@ -3369,12 +3417,12 @@
   strncasecmp strnicmp sysinfo tcgetattr
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3373: checking for $ac_func" >&5
+echo "configure:3421: 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 3378 "configure"
+#line 3426 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3397,7 +3445,7 @@
 
 ; 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:3449: \"$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
@@ -3431,12 +3479,12 @@
 for ac_func in select
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3435: checking for $ac_func" >&5
+echo "configure:3483: 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 3440 "configure"
+#line 3488 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3459,7 +3507,7 @@
 
 ; return 0; }
 EOF
-if { (eval echo configure:3463: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3511: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3488,17 +3536,17 @@
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3492: checking for $ac_hdr" >&5
+echo "configure:3540: 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 3497 "configure"
+#line 3545 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3502: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3550: \"$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*
@@ -3525,7 +3573,7 @@
 done
 
   echo $ac_n "checking argument types of select()""... $ac_c" 1>&6
-echo "configure:3529: checking argument types of select()" >&5
+echo "configure:3577: checking argument types of select()" >&5
   if eval "test \"`echo '$''{'ac_cv_type_fd_set_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3536,7 +3584,7 @@
         for ac_cv_type_fd_set_size_t in 'int' 'size_t' 'unsigned long' 'unsigned'; do
 	  for ac_type_timeval in 'struct timeval' 'const struct timeval'; do
             cat > conftest.$ac_ext <<EOF
-#line 3540 "configure"
+#line 3588 "configure"
 #include "confdefs.h"
 #ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
@@ -3566,7 +3614,7 @@
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:3570: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3618: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_found=yes ; break 3
 else
@@ -3598,7 +3646,7 @@
     # FD_SET macros, but insist that you cast the argument to select.  I don't
     # understand why that might be, but it means we cannot define fd_set.
     cat > conftest.$ac_ext <<EOF
-#line 3602 "configure"
+#line 3650 "configure"
 #include "confdefs.h"
 #ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
@@ -3642,9 +3690,9 @@
 
 if test "$with_linux_vga" = yes; then
   echo $ac_n "checking for linux vga library""... $ac_c" 1>&6
-echo "configure:3646: checking for linux vga library" >&5
+echo "configure:3694: checking for linux vga library" >&5
   echo $ac_n "checking for vga_init in -lvga""... $ac_c" 1>&6
-echo "configure:3648: checking for vga_init in -lvga" >&5
+echo "configure:3696: checking for vga_init in -lvga" >&5
 ac_lib_var=`echo vga'_'vga_init | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3652,7 +3700,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lvga  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3656 "configure"
+#line 3704 "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
@@ -3663,7 +3711,7 @@
 vga_init()
 ; return 0; }
 EOF
-if { (eval echo configure:3667: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3715: \"$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
@@ -3696,7 +3744,7 @@
             gp_tcap=""
     for termlib in ncurses curses termcap terminfo termlib; do
       echo $ac_n "checking for tputs in -l${termlib}""... $ac_c" 1>&6
-echo "configure:3700: checking for tputs in -l${termlib}" >&5
+echo "configure:3748: checking for tputs in -l${termlib}" >&5
 ac_lib_var=`echo ${termlib}'_'tputs | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3704,7 +3752,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-l${termlib}  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3708 "configure"
+#line 3756 "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
@@ -3715,7 +3763,7 @@
 tputs()
 ; return 0; }
 EOF
-if { (eval echo configure:3719: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3767: \"$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
@@ -3744,7 +3792,7 @@
 
     if test "$with_readline" = gnu; then
       echo $ac_n "checking for readline in -lreadline""... $ac_c" 1>&6
-echo "configure:3748: checking for readline in -lreadline" >&5
+echo "configure:3796: checking for readline in -lreadline" >&5
 ac_lib_var=`echo readline'_'readline | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3752,7 +3800,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lreadline ${gp_tcap} $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3756 "configure"
+#line 3804 "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
@@ -3763,7 +3811,7 @@
 readline()
 ; return 0; }
 EOF
-if { (eval echo configure:3767: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3815: \"$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
@@ -3788,7 +3836,7 @@
   gp_tr_lib=HAVE_LIB`echo readline | sed -e 's/[^a-zA-Z0-9_]/_/g' \
     -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
 echo $ac_n "checking for readline in -lreadline""... $ac_c" 1>&6
-echo "configure:3792: checking for readline in -lreadline" >&5
+echo "configure:3840: checking for readline in -lreadline" >&5
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3804,7 +3852,7 @@
 ac_save_LIBS="$LIBS"
 LIBS="$TERMLIBS $TERMXLIBS -lreadline ${gp_tcap} $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3808 "configure"
+#line 3856 "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
@@ -3815,7 +3863,7 @@
 readline()
 ; return 0; }
 EOF
-if { (eval echo configure:3819: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3867: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3879,7 +3927,7 @@
 if test "$with_plot" != no; then
   if test "$with_plot" = yes; then
         echo $ac_n "checking for openpl in -lplot""... $ac_c" 1>&6
-echo "configure:3883: checking for openpl in -lplot" >&5
+echo "configure:3931: checking for openpl in -lplot" >&5
 ac_lib_var=`echo plot'_'openpl | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3887,7 +3935,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lplot  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3891 "configure"
+#line 3939 "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
@@ -3898,7 +3946,7 @@
 openpl()
 ; return 0; }
 EOF
-if { (eval echo configure:3902: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3950: \"$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
@@ -3929,7 +3977,7 @@
   gp_tr_lib=HAVE_LIB`echo plot | sed -e 's/[^a-zA-Z0-9_]/_/g' \
     -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
 echo $ac_n "checking for pl_textangle in -lplot""... $ac_c" 1>&6
-echo "configure:3933: checking for pl_textangle in -lplot" >&5
+echo "configure:3981: checking for pl_textangle in -lplot" >&5
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3945,7 +3993,7 @@
 ac_save_LIBS="$LIBS"
 LIBS="$TERMLIBS $TERMXLIBS -lplot $TERMXLIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3949 "configure"
+#line 3997 "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
@@ -3956,7 +4004,7 @@
 pl_textangle()
 ; return 0; }
 EOF
-if { (eval echo configure:3960: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4008: \"$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
@@ -3996,7 +4044,7 @@
   gp_tr_lib=HAVE_LIB`echo plot | sed -e 's/[^a-zA-Z0-9_]/_/g' \
     -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
 echo $ac_n "checking for textangle in -lplot""... $ac_c" 1>&6
-echo "configure:4000: checking for textangle in -lplot" >&5
+echo "configure:4048: checking for textangle in -lplot" >&5
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4012,7 +4060,7 @@
 ac_save_LIBS="$LIBS"
 LIBS="$TERMLIBS $TERMXLIBS -lplot $TERMXLIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4016 "configure"
+#line 4064 "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
@@ -4023,7 +4071,7 @@
 textangle()
 ; return 0; }
 EOF
-if { (eval echo configure:4027: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4075: \"$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
@@ -4064,7 +4112,7 @@
   gp_tr_lib=HAVE_LIB`echo plot | sed -e 's/[^a-zA-Z0-9_]/_/g' \
     -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
 echo $ac_n "checking for rotate in -lplot""... $ac_c" 1>&6
-echo "configure:4068: checking for rotate in -lplot" >&5
+echo "configure:4116: checking for rotate in -lplot" >&5
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4080,7 +4128,7 @@
 ac_save_LIBS="$LIBS"
 LIBS="$TERMLIBS $TERMXLIBS -lplot  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4084 "configure"
+#line 4132 "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
@@ -4091,7 +4139,7 @@
 rotate()
 ; return 0; }
 EOF
-if { (eval echo configure:4095: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4143: \"$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
@@ -4139,7 +4187,7 @@
       ac_safe=`echo "plotcompat.h" | sed 'y%./+-%__p_%'`
   ac_tr_hdr=HAVE_`echo plotcompat.h | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
 echo $ac_n "checking for plotcompat.h""... $ac_c" 1>&6
-echo "configure:4143: checking for plotcompat.h" >&5
+echo "configure:4191: checking for plotcompat.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4154,12 +4202,12 @@
 for ac_dir in $gp_h_list '' /usr/local/include ; do
   test x${ac_dir} != x && CPPFLAGS="$gp_save_CPPFLAGS -I${ac_dir}"
   cat > conftest.$ac_ext <<EOF
-#line 4158 "configure"
+#line 4206 "configure"
 #include "confdefs.h"
 #include <plotcompat.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4163: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4211: \"$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*
@@ -4221,7 +4269,7 @@
   gp_tr_lib=HAVE_LIB`echo gd | sed -e 's/[^a-zA-Z0-9_]/_/g' \
     -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
 echo $ac_n "checking for gdImageCreate in -lgd""... $ac_c" 1>&6
-echo "configure:4225: checking for gdImageCreate in -lgd" >&5
+echo "configure:4273: checking for gdImageCreate in -lgd" >&5
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4237,7 +4285,7 @@
 ac_save_LIBS="$LIBS"
 LIBS="$TERMLIBS $TERMXLIBS -lgd  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4241 "configure"
+#line 4289 "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
@@ -4248,7 +4296,7 @@
 gdImageCreate()
 ; return 0; }
 EOF
-if { (eval echo configure:4252: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4300: \"$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
@@ -4287,7 +4335,7 @@
     ac_safe=`echo "gd.h" | sed 'y%./+-%__p_%'`
   ac_tr_hdr=HAVE_`echo gd.h | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
 echo $ac_n "checking for gd.h""... $ac_c" 1>&6
-echo "configure:4291: checking for gd.h" >&5
+echo "configure:4339: checking for gd.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4302,12 +4350,12 @@
 for ac_dir in $gp_h_list '' /usr/local/include ; do
   test x${ac_dir} != x && CPPFLAGS="$gp_save_CPPFLAGS -I${ac_dir}"
   cat > conftest.$ac_ext <<EOF
-#line 4306 "configure"
+#line 4354 "configure"
 #include "confdefs.h"
 #include <gd.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4311: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4359: \"$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*
@@ -4357,7 +4405,7 @@
   gp_tr_lib=HAVE_LIB`echo png | sed -e 's/[^a-zA-Z0-9_]/_/g' \
     -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
 echo $ac_n "checking for png_info_init in -lpng""... $ac_c" 1>&6
-echo "configure:4361: checking for png_info_init in -lpng" >&5
+echo "configure:4409: checking for png_info_init in -lpng" >&5
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4373,7 +4421,7 @@
 ac_save_LIBS="$LIBS"
 LIBS="$TERMLIBS $TERMXLIBS -lpng -lz $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4377 "configure"
+#line 4425 "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
@@ -4384,7 +4432,7 @@
 png_info_init()
 ; return 0; }
 EOF
-if { (eval echo configure:4388: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4436: \"$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
@@ -4424,7 +4472,7 @@
     ac_safe=`echo "png.h" | sed 'y%./+-%__p_%'`
   ac_tr_hdr=HAVE_`echo png.h | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
 echo $ac_n "checking for png.h""... $ac_c" 1>&6
-echo "configure:4428: checking for png.h" >&5
+echo "configure:4476: checking for png.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4439,12 +4487,12 @@
 for ac_dir in $gp_h_list '' /usr/local/include ; do
   test x${ac_dir} != x && CPPFLAGS="$gp_save_CPPFLAGS -I${ac_dir}"
   cat > conftest.$ac_ext <<EOF
-#line 4443 "configure"
+#line 4491 "configure"
 #include "confdefs.h"
 #include <png.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4448: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4496: \"$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*
@@ -4485,7 +4533,7 @@
     ac_safe=`echo "zlib.h" | sed 'y%./+-%__p_%'`
   ac_tr_hdr=HAVE_`echo zlib.h | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
 echo $ac_n "checking for zlib.h""... $ac_c" 1>&6
-echo "configure:4489: checking for zlib.h" >&5
+echo "configure:4537: checking for zlib.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4500,12 +4548,12 @@
 for ac_dir in $gp_h_list '' /usr/local/include ; do
   test x${ac_dir} != x && CPPFLAGS="$gp_save_CPPFLAGS -I${ac_dir}"
   cat > conftest.$ac_ext <<EOF
-#line 4504 "configure"
+#line 4552 "configure"
 #include "confdefs.h"
 #include <zlib.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4509: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4557: \"$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*
@@ -4545,7 +4593,7 @@
 
     if test "$ac_cv_header_png_h" != no; then
       cat > conftest.$ac_ext <<EOF
-#line 4549 "configure"
+#line 4597 "configure"
 #include "confdefs.h"
 #include "png.h"
 #if PNG_LIBPNG_VER < 89
@@ -4580,7 +4628,7 @@
 
 
 cat > conftest.$ac_ext <<EOF
-#line 4584 "configure"
+#line 4632 "configure"
 #include "confdefs.h"
 #ifdef SCO
 yes
@@ -4591,7 +4639,7 @@
   egrep "yes" >/dev/null 2>&1; then
   rm -rf conftest*
   echo $ac_n "checking for v_opnwk in -lccgi""... $ac_c" 1>&6
-echo "configure:4595: checking for v_opnwk in -lccgi" >&5
+echo "configure:4643: checking for v_opnwk in -lccgi" >&5
 ac_lib_var=`echo ccgi'_'v_opnwk | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4599,7 +4647,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lccgi  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4603 "configure"
+#line 4651 "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
@@ -4610,7 +4658,7 @@
 v_opnwk()
 ; 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:4662: \"$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
@@ -4638,7 +4686,7 @@
 
 
 cat > conftest.$ac_ext <<EOF
-#line 4642 "configure"
+#line 4690 "configure"
 #include "confdefs.h"
 #ifdef sun
 yes
@@ -4649,7 +4697,7 @@
   egrep "yes" >/dev/null 2>&1; then
   rm -rf conftest*
   echo $ac_n "checking for window_create in -lsuntool""... $ac_c" 1>&6
-echo "configure:4653: checking for window_create in -lsuntool" >&5
+echo "configure:4701: checking for window_create in -lsuntool" >&5
 ac_lib_var=`echo suntool'_'window_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4657,7 +4705,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lsuntool     -lsunwindow -lpixrect $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4661 "configure"
+#line 4709 "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
@@ -4668,7 +4716,7 @@
 window_create()
 ; return 0; }
 EOF
-if { (eval echo configure:4672: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4720: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4685,17 +4733,17 @@
   echo "$ac_t""yes" 1>&6
       ac_safe=`echo "suntool/sunview.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for suntool/sunview.h""... $ac_c" 1>&6
-echo "configure:4689: checking for suntool/sunview.h" >&5
+echo "configure:4737: checking for suntool/sunview.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4694 "configure"
+#line 4742 "configure"
 #include "confdefs.h"
 #include <suntool/sunview.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4699: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4747: \"$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*
@@ -4737,7 +4785,7 @@
 
 if test "$enable_iris" = yes; then
   echo $ac_n "checking for winopen in -lgl_s""... $ac_c" 1>&6
-echo "configure:4741: checking for winopen in -lgl_s" >&5
+echo "configure:4789: checking for winopen in -lgl_s" >&5
 ac_lib_var=`echo gl_s'_'winopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4745,7 +4793,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lgl_s  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4749 "configure"
+#line 4797 "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
@@ -4756,7 +4804,7 @@
 winopen()
 ; return 0; }
 EOF
-if { (eval echo configure:4760: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4808: \"$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
@@ -4785,7 +4833,7 @@
 
 if test "$enable_mgr" = yes; then
   echo $ac_n "checking for m_getinfo in -lmgr""... $ac_c" 1>&6
-echo "configure:4789: checking for m_getinfo in -lmgr" >&5
+echo "configure:4837: checking for m_getinfo in -lmgr" >&5
 ac_lib_var=`echo mgr'_'m_getinfo | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4793,7 +4841,7 @@
   ac_save_LIBS="$LIBS"
 LIBS="-lmgr -lpixrect $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4797 "configure"
+#line 4845 "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
@@ -4804,7 +4852,7 @@
 m_getinfo()
 ; return 0; }
 EOF
-if { (eval echo configure:4808: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4856: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
diff -ur gnuplot-3.7.1.orig/configure.in gnuplot-3.7.1/configure.in
--- gnuplot-3.7.1.orig/configure.in	Thu Nov  4 17:21:00 1999
+++ gnuplot-3.7.1/configure.in	Sun Dec  5 21:15:38 1999
@@ -159,6 +159,16 @@
   sys/systeminfo.h sys/utsname.h libc.h malloc.h sgtty.h termios.h values.h)
 test "$ac_cv_header_sys_stat_h" = yes && AC_HEADER_STAT
 
+dnl Need this for SIGFPE handling on FreeBSD
+dnl Test case:
+dnl gnuplot> set auto
+dnl gnuplot> plot 1+sin(x)*1e-9
+dnl Floating point exception
+AC_CHECK_HEADER(floatingpoint.h,
+  AC_EGREP_HEADER(__fpsetreg,floatingpoint.h,
+    AC_DEFINE(SUPPRESS_386_SIGFPE, 1,
+              [ Define on FreeBSD to suppress SIGFPE on divide by zero. ])))
+
 dnl check if unistd actually declares anything. On NeXT 3.2 unistd is
 dnl conditionalized for _POSIX_SOURCE
 AC_MSG_CHECKING(for unistd.h)
diff -ur gnuplot-3.7.1.orig/plot.c gnuplot-3.7.1/plot.c
--- gnuplot-3.7.1.orig/plot.c	Thu Sep 23 14:26:36 1999
+++ gnuplot-3.7.1/plot.c	Fri Dec  3 20:50:41 1999
@@ -73,6 +73,11 @@
 # endif
 #endif /* _Windows */
 
+/* This is really for FreeBSD */
+#ifdef SUPPRESS_386_SIGFPE
+# include <floatingpoint.h>
+#endif
+
 extern FILE *gpoutfile;
 
 TBOOLEAN interactive = TRUE;	/* FALSE if stdin not a terminal */
@@ -346,6 +351,11 @@
     }
 #endif
 
+#ifdef SUPPRESS_386_SIGFPE
+    /* allow divide by zero -- Inf */
+    fpsetmask(fpgetmask() & ~(FP_X_DZ|FP_X_INV));
+#endif
+
 /* malloc large blocks, otherwise problems with fragmented mem */
 #ifdef OSK
     _mallocmin(102400);
@@ -542,6 +552,11 @@
     }
 
     term_reset();
+
+#ifdef SUPPRESS_386_SIGFPE
+    fpresetsticky(FP_X_DZ|FP_X_INV);
+    fpsetmask(FP_X_DZ|FP_X_INV);
+#endif
 
 #ifdef OS2
     if (_osmode == OS2_MODE)