From 34019fa0a2ec3e20b9256394acf54a53d5c35402 Mon Sep 17 00:00:00 2001
From: Dan Harkless <dan@harkless.org>
Date: Thu, 13 May 1999 01:24:47 +0000
Subject: [PATCH] Changed configure.in's check for sigsetjmp to properly deal
 with systems like Linux where it is a macro. From
 <elleron@servtech.com>.

---
 acconfig.h   |    3 +
 config.h.in  |    6 +-
 configure    |  213 ++++++++++++++++++++++++++++++++--------------------------
 configure.in |    8 ++-
 4 files changed, 130 insertions(+), 100 deletions(-)

diff --git a/acconfig.h b/acconfig.h
index 5c3f602..64a9da0 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -261,3 +261,6 @@
 
 /* Define to 1 if struct tm has gmtoff */
 #undef HAVE_TM_GMTOFF
+
+/* Define if your system has sigsetjmp */
+#undef HAVE_SIGSETJMP
diff --git a/config.h.in b/config.h.in
index eccfb10..eaa7f40 100644
--- a/config.h.in
+++ b/config.h.in
@@ -307,6 +307,9 @@
 /* Define to 1 if struct tm has gmtoff */
 #undef HAVE_TM_GMTOFF
 
+/* Define if your system has sigsetjmp */
+#undef HAVE_SIGSETJMP
+
 /* Define if you have the killpg function.  */
 #undef HAVE_KILLPG
 
@@ -328,9 +331,6 @@
 /* Define if you have the sigrelse function.  */
 #undef HAVE_SIGRELSE
 
-/* Define if you have the sigsetjmp function.  */
-#undef HAVE_SIGSETJMP
-
 /* Define if you have the sigsetmask function.  */
 #undef HAVE_SIGSETMASK
 
diff --git a/configure b/configure
index a84b310..c00aeb3 100755
--- a/configure
+++ b/configure
@@ -2317,16 +2317,15 @@ EOF
 fi
 
 for ac_func in waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
-               sighold sigrelse writev lstat uname tzset killpg \
-               sigsetjmp
+               sighold sigrelse writev lstat uname tzset killpg
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2325: checking for $ac_func" >&5
+echo "configure:2324: 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 2330 "configure"
+#line 2329 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2349,7 +2348,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2353: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2352: \"$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
@@ -2374,15 +2373,39 @@ fi
 done
 
 
+echo $ac_n "checking for sigsetjmp""... $ac_c" 1>&6
+echo "configure:2378: checking for sigsetjmp" >&5
+cat > conftest.$ac_ext <<EOF
+#line 2380 "configure"
+#include "confdefs.h"
+#include <setjmp.h>
+int main() {
+sigsetjmp((void *)0, 0);
+; return 0; }
+EOF
+if { (eval echo configure:2387: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  cat >> confdefs.h <<\EOF
+#define HAVE_SIGSETJMP 1
+EOF
+ echo "$ac_t""yes" 1>&6
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  echo "$ac_t""no" 1>&6
+fi
+rm -f conftest*
+
 for ac_func in snprintf strerror strdup
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2381: checking for $ac_func" >&5
+echo "configure:2404: 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 2386 "configure"
+#line 2409 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2405,7 +2428,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2409: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2432: \"$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
@@ -2433,12 +2456,12 @@ done
 
 
 echo $ac_n "checking for modf""... $ac_c" 1>&6
-echo "configure:2437: checking for modf" >&5
+echo "configure:2460: checking for modf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_modf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2442 "configure"
+#line 2465 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char modf(); below.  */
@@ -2461,7 +2484,7 @@ modf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2465: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2488: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_modf=yes"
 else
@@ -2479,7 +2502,7 @@ if eval "test \"`echo '$ac_cv_func_'modf`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for modf in -lm""... $ac_c" 1>&6
-echo "configure:2483: checking for modf in -lm" >&5
+echo "configure:2506: checking for modf in -lm" >&5
 ac_lib_var=`echo m'_'modf | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2487,7 +2510,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2491 "configure"
+#line 2514 "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
@@ -2498,7 +2521,7 @@ int main() {
 modf()
 ; return 0; }
 EOF
-if { (eval echo configure:2502: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2525: \"$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
@@ -2529,12 +2552,12 @@ fi
 
 
 echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
-echo "configure:2533: checking for gethostbyname" >&5
+echo "configure:2556: checking for gethostbyname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2538 "configure"
+#line 2561 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname(); below.  */
@@ -2557,7 +2580,7 @@ gethostbyname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2561: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2584: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyname=yes"
 else
@@ -2575,7 +2598,7 @@ if eval "test \"`echo '$ac_cv_func_'gethostbyname`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
-echo "configure:2579: checking for gethostbyname in -lnsl" >&5
+echo "configure:2602: checking for gethostbyname in -lnsl" >&5
 ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2583,7 +2606,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2587 "configure"
+#line 2610 "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
@@ -2594,7 +2617,7 @@ int main() {
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:2598: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2621: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2620,7 +2643,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for gethostbyname in -lresolv""... $ac_c" 1>&6
-echo "configure:2624: checking for gethostbyname in -lresolv" >&5
+echo "configure:2647: checking for gethostbyname in -lresolv" >&5
 ac_lib_var=`echo resolv'_'gethostbyname | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2628,7 +2651,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lresolv  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2632 "configure"
+#line 2655 "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
@@ -2639,7 +2662,7 @@ int main() {
 gethostbyname()
 ; return 0; }
 EOF
-if { (eval echo configure:2643: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2666: \"$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
@@ -2671,12 +2694,12 @@ fi
 fi
 
 echo $ac_n "checking for socket""... $ac_c" 1>&6
-echo "configure:2675: checking for socket" >&5
+echo "configure:2698: checking for socket" >&5
 if eval "test \"`echo '$''{'ac_cv_func_socket'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2680 "configure"
+#line 2703 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char socket(); below.  */
@@ -2699,7 +2722,7 @@ socket();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2703: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2726: \"$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
@@ -2717,7 +2740,7 @@ if eval "test \"`echo '$ac_cv_func_'socket`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for socket in -lsocket""... $ac_c" 1>&6
-echo "configure:2721: checking for socket in -lsocket" >&5
+echo "configure:2744: checking for socket in -lsocket" >&5
 ac_lib_var=`echo socket'_'socket | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2725,7 +2748,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2729 "configure"
+#line 2752 "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
@@ -2736,7 +2759,7 @@ int main() {
 socket()
 ; return 0; }
 EOF
-if { (eval echo configure:2740: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2763: \"$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
@@ -2768,12 +2791,12 @@ fi
 
 
 echo $ac_n "checking for ruserpass""... $ac_c" 1>&6
-echo "configure:2772: checking for ruserpass" >&5
+echo "configure:2795: checking for ruserpass" >&5
 if eval "test \"`echo '$''{'ac_cv_func_ruserpass'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2777 "configure"
+#line 2800 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char ruserpass(); below.  */
@@ -2796,7 +2819,7 @@ ruserpass();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2800: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2823: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_ruserpass=yes"
 else
@@ -2814,12 +2837,12 @@ if eval "test \"`echo '$ac_cv_func_'ruserpass`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for _ruserpass""... $ac_c" 1>&6
-echo "configure:2818: checking for _ruserpass" >&5
+echo "configure:2841: checking for _ruserpass" >&5
 if eval "test \"`echo '$''{'ac_cv_func__ruserpass'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2823 "configure"
+#line 2846 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char _ruserpass(); below.  */
@@ -2842,7 +2865,7 @@ _ruserpass();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2846: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2869: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func__ruserpass=yes"
 else
@@ -2860,7 +2883,7 @@ if eval "test \"`echo '$ac_cv_func_'_ruserpass`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for _ruserpass in -lsocket""... $ac_c" 1>&6
-echo "configure:2864: checking for _ruserpass in -lsocket" >&5
+echo "configure:2887: checking for _ruserpass in -lsocket" >&5
 ac_lib_var=`echo socket'_'_ruserpass | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2868,7 +2891,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2872 "configure"
+#line 2895 "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
@@ -2879,7 +2902,7 @@ int main() {
 _ruserpass()
 ; return 0; }
 EOF
-if { (eval echo configure:2883: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2906: \"$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
@@ -2925,7 +2948,7 @@ fi
 termcap_curses_order="termcap curses ncurses"
 for lib in $termcap_curses_order; do
   echo $ac_n "checking for tgetent in -l${lib}""... $ac_c" 1>&6
-echo "configure:2929: checking for tgetent in -l${lib}" >&5
+echo "configure:2952: checking for tgetent in -l${lib}" >&5
 ac_lib_var=`echo ${lib}'_'tgetent | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2933,7 +2956,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-l${lib}  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2937 "configure"
+#line 2960 "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
@@ -2944,7 +2967,7 @@ int main() {
 tgetent()
 ; return 0; }
 EOF
-if { (eval echo configure:2948: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2971: \"$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
@@ -2967,12 +2990,12 @@ fi
 done
 
 echo $ac_n "checking for dbm_open""... $ac_c" 1>&6
-echo "configure:2971: checking for dbm_open" >&5
+echo "configure:2994: checking for dbm_open" >&5
 if eval "test \"`echo '$''{'ac_cv_func_dbm_open'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2976 "configure"
+#line 2999 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char dbm_open(); below.  */
@@ -2995,7 +3018,7 @@ dbm_open();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2999: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3022: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_dbm_open=yes"
 else
@@ -3013,7 +3036,7 @@ if eval "test \"`echo '$ac_cv_func_'dbm_open`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for dbm_open in -lndbm""... $ac_c" 1>&6
-echo "configure:3017: checking for dbm_open in -lndbm" >&5
+echo "configure:3040: checking for dbm_open in -lndbm" >&5
 ac_lib_var=`echo ndbm'_'dbm_open | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3021,7 +3044,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lndbm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3025 "configure"
+#line 3048 "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
@@ -3032,7 +3055,7 @@ int main() {
 dbm_open()
 ; return 0; }
 EOF
-if { (eval echo configure:3036: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3059: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3058,7 +3081,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for dbm_open in -ldbm""... $ac_c" 1>&6
-echo "configure:3062: checking for dbm_open in -ldbm" >&5
+echo "configure:3085: checking for dbm_open in -ldbm" >&5
 ac_lib_var=`echo dbm'_'dbm_open | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3066,7 +3089,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldbm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3070 "configure"
+#line 3093 "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
@@ -3077,7 +3100,7 @@ int main() {
 dbm_open()
 ; return 0; }
 EOF
-if { (eval echo configure:3081: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3104: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3115,12 +3138,12 @@ if test x$with_hesiod != x -a x$with_hesiod != xno; then
     HESIOD_LIBS="-L$with_hesiod/lib"
   fi
   echo $ac_n "checking for res_send""... $ac_c" 1>&6
-echo "configure:3119: checking for res_send" >&5
+echo "configure:3142: checking for res_send" >&5
 if eval "test \"`echo '$''{'ac_cv_func_res_send'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3124 "configure"
+#line 3147 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char res_send(); below.  */
@@ -3143,7 +3166,7 @@ res_send();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3147: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3170: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_res_send=yes"
 else
@@ -3161,7 +3184,7 @@ if eval "test \"`echo '$ac_cv_func_'res_send`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for res_send in -lresolv""... $ac_c" 1>&6
-echo "configure:3165: checking for res_send in -lresolv" >&5
+echo "configure:3188: checking for res_send in -lresolv" >&5
 ac_lib_var=`echo resolv'_'res_send | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3169,7 +3192,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lresolv  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3173 "configure"
+#line 3196 "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
@@ -3180,7 +3203,7 @@ int main() {
 res_send()
 ; return 0; }
 EOF
-if { (eval echo configure:3184: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3207: \"$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
@@ -3210,7 +3233,7 @@ fi
 fi
 
   echo $ac_n "checking for hes_resolve in -lhesiod""... $ac_c" 1>&6
-echo "configure:3214: checking for hes_resolve in -lhesiod" >&5
+echo "configure:3237: checking for hes_resolve in -lhesiod" >&5
 ac_lib_var=`echo hesiod'_'hes_resolve | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3218,7 +3241,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lhesiod $HESIOD_LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3222 "configure"
+#line 3245 "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
@@ -3229,7 +3252,7 @@ int main() {
 hes_resolve()
 ; return 0; }
 EOF
-if { (eval echo configure:3233: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3256: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3263,7 +3286,7 @@ if test x$with_krb4 != x -a x$with_krb4 != xno; then
     KRB4_INCLUDES="-I/usr/include/kerberosIV"
   fi
   echo $ac_n "checking for krb_rd_req in -lkrb4""... $ac_c" 1>&6
-echo "configure:3267: checking for krb_rd_req in -lkrb4" >&5
+echo "configure:3290: checking for krb_rd_req in -lkrb4" >&5
 ac_lib_var=`echo krb4'_'krb_rd_req | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3271,7 +3294,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lkrb4 $KRB4_LIBS -ldes425 -lkrb5 -lcrypto -lcom_err $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3275 "configure"
+#line 3298 "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
@@ -3282,7 +3305,7 @@ int main() {
 krb_rd_req()
 ; return 0; }
 EOF
-if { (eval echo configure:3286: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3309: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3301,7 +3324,7 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for krb_rd_req in -lkrb""... $ac_c" 1>&6
-echo "configure:3305: checking for krb_rd_req in -lkrb" >&5
+echo "configure:3328: checking for krb_rd_req in -lkrb" >&5
 ac_lib_var=`echo krb'_'krb_rd_req | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3309,7 +3332,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lkrb $KRB4_LIBS -ldes $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3313 "configure"
+#line 3336 "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
@@ -3320,7 +3343,7 @@ int main() {
 krb_rd_req()
 ; return 0; }
 EOF
-if { (eval echo configure:3324: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3347: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3350,12 +3373,12 @@ nmh_save_LIBS="$LIBS"
 LIBS="$TERMLIB $LIBS"
 
 echo $ac_n "checking if an include file defines ospeed""... $ac_c" 1>&6
-echo "configure:3354: checking if an include file defines ospeed" >&5
+echo "configure:3377: checking if an include file defines ospeed" >&5
 if eval "test \"`echo '$''{'nmh_cv_decl_ospeed_include_defines'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3359 "configure"
+#line 3382 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if HAVE_TERMIOS_H
@@ -3368,7 +3391,7 @@ int main() {
 ospeed = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3372: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3395: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   nmh_cv_decl_ospeed_include_defines=yes
 else
@@ -3384,19 +3407,19 @@ echo "$ac_t""$nmh_cv_decl_ospeed_include_defines" 1>&6
  
 if test $nmh_cv_decl_ospeed_include_defines = no; then
   echo $ac_n "checking if you must define ospeed""... $ac_c" 1>&6
-echo "configure:3388: checking if you must define ospeed" >&5
+echo "configure:3411: checking if you must define ospeed" >&5
 if eval "test \"`echo '$''{'nmh_cv_decl_ospeed_must_define'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3393 "configure"
+#line 3416 "configure"
 #include "confdefs.h"
 
 int main() {
 extern short ospeed; ospeed = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3400: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3423: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   nmh_cv_decl_ospeed_must_define=yes
 else
@@ -3431,12 +3454,12 @@ fi
 LIBS="$nmh_save_LIBS"
 
 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:3435: checking return type of signal handlers" >&5
+echo "configure:3458: checking return type of signal handlers" >&5
 if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3440 "configure"
+#line 3463 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -3453,7 +3476,7 @@ int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:3457: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3480: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_signal=void
 else
@@ -3472,12 +3495,12 @@ EOF
 
 
 echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:3476: checking for pid_t" >&5
+echo "configure:3499: checking for pid_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3481 "configure"
+#line 3504 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -3505,12 +3528,12 @@ EOF
 fi
 
 echo $ac_n "checking for off_t""... $ac_c" 1>&6
-echo "configure:3509: checking for off_t" >&5
+echo "configure:3532: checking for off_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_off_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3514 "configure"
+#line 3537 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -3538,12 +3561,12 @@ EOF
 fi
 
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:3542: checking for uid_t in sys/types.h" >&5
+echo "configure:3565: checking for uid_t in sys/types.h" >&5
 if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3547 "configure"
+#line 3570 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -3572,12 +3595,12 @@ EOF
 fi
 
 echo $ac_n "checking for mode_t""... $ac_c" 1>&6
-echo "configure:3576: checking for mode_t" >&5
+echo "configure:3599: checking for mode_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3581 "configure"
+#line 3604 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -3605,12 +3628,12 @@ EOF
 fi
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:3609: checking for size_t" >&5
+echo "configure:3632: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3614 "configure"
+#line 3637 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -3639,12 +3662,12 @@ fi
 
 
 echo $ac_n "checking for sigset_t""... $ac_c" 1>&6
-echo "configure:3643: checking for sigset_t" >&5
+echo "configure:3666: checking for sigset_t" >&5
 if eval "test \"`echo '$''{'nmh_cv_type_sigset_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3648 "configure"
+#line 3671 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -3652,7 +3675,7 @@ int main() {
 sigset_t tempsigset;
 ; return 0; }
 EOF
-if { (eval echo configure:3656: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3679: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   nmh_cv_type_sigset_t=yes
 else
@@ -3673,12 +3696,12 @@ EOF
 fi
 
 echo $ac_n "checking for st_blksize in struct stat""... $ac_c" 1>&6
-echo "configure:3677: checking for st_blksize in struct stat" >&5
+echo "configure:3700: checking for st_blksize in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_blksize'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3682 "configure"
+#line 3705 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -3686,7 +3709,7 @@ int main() {
 struct stat s; s.st_blksize;
 ; return 0; }
 EOF
-if { (eval echo configure:3690: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3713: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_blksize=yes
 else
@@ -3708,12 +3731,12 @@ fi
 
 
 echo $ac_n "checking for tm_gmtoff in struct tm""... $ac_c" 1>&6
-echo "configure:3712: checking for tm_gmtoff in struct tm" >&5
+echo "configure:3735: checking for tm_gmtoff in struct tm" >&5
 if eval "test \"`echo '$''{'nmh_cv_struct_tm_gmtoff'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3717 "configure"
+#line 3740 "configure"
 #include "confdefs.h"
 #ifdef TIME_WITH_SYS_TIME
 # include <sys/time.h>
@@ -3729,7 +3752,7 @@ int main() {
 struct tm temptm; temptm.tm_gmtoff = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3733: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3756: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   nmh_cv_struct_tm_gmtoff=yes
 else
@@ -3750,7 +3773,7 @@ EOF
 fi
 
 echo $ac_n "checking what style of signals to use""... $ac_c" 1>&6
-echo "configure:3754: checking what style of signals to use" >&5
+echo "configure:3777: checking what style of signals to use" >&5
 if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then
   signals_style=POSIX_SIGNALS
   cat >> confdefs.h <<\EOF
@@ -3788,7 +3811,7 @@ fi
 echo "$ac_t""$signals_style" 1>&6
 
 echo $ac_n "checking where signal.h is located""... $ac_c" 1>&6
-echo "configure:3792: checking where signal.h is located" >&5
+echo "configure:3815: checking where signal.h is located" >&5
 if eval "test \"`echo '$''{'nmh_cv_path_signal_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
diff --git a/configure.in b/configure.in
index dd5ebdc..fec2eab 100644
--- a/configure.in
+++ b/configure.in
@@ -270,8 +270,12 @@ dnl CHECK FUNCTIONS
 dnl ---------------
 AC_FUNC_VFORK
 AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
-               sighold sigrelse writev lstat uname tzset killpg \
-               sigsetjmp)
+               sighold sigrelse writev lstat uname tzset killpg)
+
+dnl sigsetjmp may be a macro
+AC_MSG_CHECKING(for sigsetjmp)
+AC_TRY_LINK([#include <setjmp.h>], [sigsetjmp((void *)0, 0);],
+        [AC_DEFINE(HAVE_SIGSETJMP) AC_MSG_RESULT(yes)], AC_MSG_RESULT(no))
 
 AC_REPLACE_FUNCS(snprintf strerror strdup)
 
-- 
1.7.10.4