diff --git a/configure b/configure
index 4d36dba36..22c511bfc 100755
--- a/configure
+++ b/configure
@@ -2547,9 +2547,53 @@ else
 fi
 
 if test "$ac_cv_lib_dl_dlopen" = "yes"; then
-  cat >> confdefs.h <<\EOF
-#define HAVE_DLOPEN 1
+  echo $ac_n "checking for dlopen""... $ac_c" 1>&6
+echo "configure:2552: checking for dlopen" >&5
+if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 2557 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char dlopen(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char dlopen();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_dlopen) || defined (__stub___dlopen)
+choke me
+#else
+dlopen();
+#endif
+
+; return 0; }
 EOF
+if { (eval echo configure:2580: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+  rm -rf conftest*
+  eval "ac_cv_func_dlopen=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_dlopen=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+fi
 
   cat >> confdefs.h <<\EOF
 #define DYNAMIC_LINKING 1
@@ -2557,7 +2601,7 @@ EOF
 
 else
 echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
-echo "configure:2561: checking for dld_link in -ldld" >&5
+echo "configure:2605: checking for dld_link in -ldld" >&5
 ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2565,7 +2609,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2569 "configure"
+#line 2613 "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
@@ -2576,7 +2620,7 @@ int main() {
 dld_link()
 ; return 0; }
 EOF
-if { (eval echo configure:2580: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2624: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2609,60 +2653,53 @@ if test "$ac_cv_lib_dld_dld_link" = "yes"; then
 EOF
 
 else
-for ac_func in shl_load
-do
-echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2616: checking for $ac_func" >&5
-if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+echo $ac_n "checking for shl_load""... $ac_c" 1>&6
+echo "configure:2658: checking for shl_load" >&5
+if eval "test \"`echo '$''{'ac_cv_func_shl_load'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2621 "configure"
+#line 2663 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func(); below.  */
+    which can conflict with char shl_load(); below.  */
 #include <assert.h>
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
-char $ac_func();
+char shl_load();
 
 int main() {
 
 /* The GNU C library defines this for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
-#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+#if defined (__stub_shl_load) || defined (__stub___shl_load)
 choke me
 #else
-$ac_func();
+shl_load();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:2644: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2686: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
-  eval "ac_cv_func_$ac_func=yes"
+  eval "ac_cv_func_shl_load=yes"
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  eval "ac_cv_func_$ac_func=no"
+  eval "ac_cv_func_shl_load=no"
 fi
 rm -f conftest*
 fi
 
-if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
+if eval "test \"`echo '$ac_cv_func_'shl_load`\" = yes"; then
   echo "$ac_t""yes" 1>&6
-    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-  cat >> confdefs.h <<EOF
-#define $ac_tr_func 1
-EOF
- 
+  :
 else
   echo "$ac_t""no" 1>&6
 fi
-done
 
 if test "$ac_cv_func_shl_load" = "yes"; then
   cat >> confdefs.h <<\EOF
@@ -2670,60 +2707,53 @@ if test "$ac_cv_func_shl_load" = "yes"; then
 EOF
 
 else
-for ac_func in dlopen
-do
-echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2677: checking for $ac_func" >&5
-if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
+echo $ac_n "checking for dlopen""... $ac_c" 1>&6
+echo "configure:2712: checking for dlopen" >&5
+if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2682 "configure"
+#line 2717 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func(); below.  */
+    which can conflict with char dlopen(); below.  */
 #include <assert.h>
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
-char $ac_func();
+char dlopen();
 
 int main() {
 
 /* The GNU C library defines this for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
-#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+#if defined (__stub_dlopen) || defined (__stub___dlopen)
 choke me
 #else
-$ac_func();
+dlopen();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:2705: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2740: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
-  eval "ac_cv_func_$ac_func=yes"
+  eval "ac_cv_func_dlopen=yes"
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  eval "ac_cv_func_$ac_func=no"
+  eval "ac_cv_func_dlopen=no"
 fi
 rm -f conftest*
 fi
 
-if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
+if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
   echo "$ac_t""yes" 1>&6
-    ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-  cat >> confdefs.h <<EOF
-#define $ac_tr_func 1
-EOF
- 
+  :
 else
   echo "$ac_t""no" 1>&6
 fi
-done
 
 if test "$ac_cv_func_dlopen" = "yes"; then
   cat >> confdefs.h <<\EOF
@@ -2739,7 +2769,7 @@ fi
 
 
   echo $ac_n "checking for underscore before symbols""... $ac_c" 1>&6
-echo "configure:2743: checking for underscore before symbols" >&5
+echo "configure:2773: checking for underscore before symbols" >&5
   if eval "test \"`echo '$''{'guile_cv_uscore'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2765,7 +2795,7 @@ EOF
 
     if test $ac_cv_func_dlopen = yes -o $ac_cv_lib_dl_dlopen = yes ; then
 	echo $ac_n "checking whether dlsym always adds an underscore for us""... $ac_c" 1>&6
-echo "configure:2769: checking whether dlsym always adds an underscore for us" >&5
+echo "configure:2799: checking whether dlsym always adds an underscore for us" >&5
 	if eval "test \"`echo '$''{'guile_cv_dlsym_adds_uscore'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2773,7 +2803,7 @@ else
   guile_cv_dlsym_adds_uscore=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 2777 "configure"
+#line 2807 "configure"
 #include "confdefs.h"
 
 #include <dlfcn.h>
@@ -2784,7 +2814,7 @@ main() { void *self, *ptr1, *ptr2; self=dlopen(NULL,RTLD_LAZY);
     if(ptr1 && !ptr2) exit(0); } exit(1); } 
 
 EOF
-if { (eval echo configure:2788: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2818: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   guile_cv_dlsym_adds_uscore=yes
 	cat >> confdefs.h <<\EOF
@@ -2811,12 +2841,12 @@ fi
 for ac_func in ctermid ftime getcwd geteuid gethostent gettimeofday lstat mkdir mknod nice readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid bzero system
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2815: checking for $ac_func" >&5
+echo "configure:2845: 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 2820 "configure"
+#line 2850 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2839,7 +2869,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2843: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2873: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2867,17 +2897,17 @@ done
 
 ac_safe=`echo "sys/un.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for sys/un.h""... $ac_c" 1>&6
-echo "configure:2871: checking for sys/un.h" >&5
+echo "configure:2901: checking for sys/un.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2876 "configure"
+#line 2906 "configure"
 #include "confdefs.h"
 #include <sys/un.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2881: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2911: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2908,12 +2938,12 @@ fi
 for ac_func in socketpair getgroups setpwent pause tzset
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2912: checking for $ac_func" >&5
+echo "configure:2942: 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 2917 "configure"
+#line 2947 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2936,7 +2966,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2940: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2970: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -2967,12 +2997,12 @@ done
 for ac_func in sethostent endhostent getnetent setnetent endnetent getprotoent endprotoent getservent endservent getnetbyaddr getnetbyname inet_lnaof inet_makeaddr inet_netof
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2971: checking for $ac_func" >&5
+echo "configure:3001: 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 2976 "configure"
+#line 3006 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -2995,7 +3025,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2999: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3029: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3022,20 +3052,20 @@ done
 
 
 echo $ac_n "checking for restartable system calls""... $ac_c" 1>&6
-echo "configure:3026: checking for restartable system calls" >&5
+echo "configure:3056: checking for restartable system calls" >&5
 if eval "test \"`echo '$''{'scm_cv_restarts'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test $ac_cv_func_sigaction = yes; then
 		cat > conftest.$ac_ext <<EOF
-#line 3032 "configure"
+#line 3062 "configure"
 #include "confdefs.h"
 #include <signal.h>
 int main() {
 int a = SA_RESTART
 ; return 0; }
 EOF
-if { (eval echo configure:3039: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3069: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_restarts=yes
 else
@@ -3062,12 +3092,12 @@ if test "$ac_cv_header_regex_h" = yes ||
    test "$ac_cv_header_rxposix_h" = yes ||
    test "$ac_cv_header_rx_rxposix_h" = yes; then
   echo $ac_n "checking for regcomp""... $ac_c" 1>&6
-echo "configure:3066: checking for regcomp" >&5
+echo "configure:3096: checking for regcomp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_regcomp_norx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3071 "configure"
+#line 3101 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char regcomp(); below.  */
@@ -3090,7 +3120,7 @@ regcomp();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3094: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3124: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_regcomp_norx=yes"
 else
@@ -3108,7 +3138,7 @@ if eval "test \"`echo '$ac_cv_func_'regcomp'_'norx`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for main in -lrx""... $ac_c" 1>&6
-echo "configure:3112: checking for main in -lrx" >&5
+echo "configure:3142: checking for main in -lrx" >&5
 ac_lib_var=`echo rx'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3116,14 +3146,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lrx  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3120 "configure"
+#line 3150 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3127: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3157: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3151,12 +3181,12 @@ else
 fi
 
    echo $ac_n "checking for regcomp""... $ac_c" 1>&6
-echo "configure:3155: checking for regcomp" >&5
+echo "configure:3185: checking for regcomp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_regcomp_rx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3160 "configure"
+#line 3190 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char regcomp(); below.  */
@@ -3179,7 +3209,7 @@ regcomp();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3183: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3213: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_regcomp_rx=yes"
 else
@@ -3213,12 +3243,12 @@ fi
 for ac_func in inet_aton putenv strerror
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:3217: checking for $ac_func" >&5
+echo "configure:3247: 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 3222 "configure"
+#line 3252 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3241,7 +3271,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3245: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3275: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3274,19 +3304,19 @@ done
 # 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""... $ac_c" 1>&6
-echo "configure:3278: checking for working alloca.h" >&5
+echo "configure:3308: checking for working alloca.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3283 "configure"
+#line 3313 "configure"
 #include "confdefs.h"
 #include <alloca.h>
 int main() {
 char *p = alloca(2 * sizeof(int));
 ; return 0; }
 EOF
-if { (eval echo configure:3290: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3320: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   ac_cv_header_alloca_h=yes
 else
@@ -3307,12 +3337,12 @@ EOF
 fi
 
 echo $ac_n "checking for alloca""... $ac_c" 1>&6
-echo "configure:3311: checking for alloca" >&5
+echo "configure:3341: checking for alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3316 "configure"
+#line 3346 "configure"
 #include "confdefs.h"
 
 #ifdef __GNUC__
@@ -3335,7 +3365,7 @@ int main() {
 char *p = (char *) alloca(1);
 ; return 0; }
 EOF
-if { (eval echo configure:3339: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3369: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   ac_cv_func_alloca_works=yes
 else
@@ -3367,12 +3397,12 @@ EOF
 
 
 echo $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6
-echo "configure:3371: checking whether alloca needs Cray hooks" >&5
+echo "configure:3401: checking whether alloca needs Cray hooks" >&5
 if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3376 "configure"
+#line 3406 "configure"
 #include "confdefs.h"
 #if defined(CRAY) && ! defined(CRAY2)
 webecray
@@ -3397,12 +3427,12 @@ 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:3401: checking for $ac_func" >&5
+echo "configure:3431: 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 3406 "configure"
+#line 3436 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -3425,7 +3455,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3429: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3459: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -3452,7 +3482,7 @@ done
 fi
 
 echo $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6
-echo "configure:3456: checking stack direction for C alloca" >&5
+echo "configure:3486: checking stack direction for C alloca" >&5
 if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3460,7 +3490,7 @@ else
   ac_cv_c_stack_direction=0
 else
   cat > conftest.$ac_ext <<EOF
-#line 3464 "configure"
+#line 3494 "configure"
 #include "confdefs.h"
 find_stack_direction ()
 {
@@ -3479,7 +3509,7 @@ main ()
   exit (find_stack_direction() < 0);
 }
 EOF
-if { (eval echo configure:3483: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3513: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_stack_direction=1
 else
@@ -3503,12 +3533,12 @@ fi
 if test "$ALLOCA" = "alloca.o"; then LIBOBJS="alloca.o $LIBOBJS"; fi
 
 echo $ac_n "checking for st_rdev in struct stat""... $ac_c" 1>&6
-echo "configure:3507: checking for st_rdev in struct stat" >&5
+echo "configure:3537: checking for st_rdev in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_rdev'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3512 "configure"
+#line 3542 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -3516,7 +3546,7 @@ int main() {
 struct stat s; s.st_rdev;
 ; return 0; }
 EOF
-if { (eval echo configure:3520: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3550: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_rdev=yes
 else
@@ -3537,12 +3567,12 @@ EOF
 fi
 
 echo $ac_n "checking for st_blksize in struct stat""... $ac_c" 1>&6
-echo "configure:3541: checking for st_blksize in struct stat" >&5
+echo "configure:3571: checking for st_blksize in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_blksize'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3546 "configure"
+#line 3576 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -3550,7 +3580,7 @@ int main() {
 struct stat s; s.st_blksize;
 ; return 0; }
 EOF
-if { (eval echo configure:3554: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3584: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_blksize=yes
 else
@@ -3574,12 +3604,12 @@ fi
 # We could use AC_STRUCT_ST_BLOCKS here, but that adds fileblocks.o to
 # LIBOBJS, which we don't need.  This seems more direct. 
 echo $ac_n "checking for st_blocks in struct stat""... $ac_c" 1>&6
-echo "configure:3578: checking for st_blocks in struct stat" >&5
+echo "configure:3608: checking for st_blocks in struct stat" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_st_blocks'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3583 "configure"
+#line 3613 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -3587,7 +3617,7 @@ int main() {
 struct stat s; s.st_blocks;
 ; return 0; }
 EOF
-if { (eval echo configure:3591: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3621: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_st_blocks=yes
 else
@@ -3608,12 +3638,12 @@ EOF
 fi
 
 echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
-echo "configure:3612: checking whether struct tm is in sys/time.h or time.h" >&5
+echo "configure:3642: checking whether struct tm is in sys/time.h or time.h" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3617 "configure"
+#line 3647 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -3621,7 +3651,7 @@ int main() {
 struct tm *tp; tp->tm_sec;
 ; return 0; }
 EOF
-if { (eval echo configure:3625: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3655: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm=time.h
 else
@@ -3642,12 +3672,12 @@ EOF
 fi
 
 echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
-echo "configure:3646: checking for tm_zone in struct tm" >&5
+echo "configure:3676: checking for tm_zone in struct tm" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3651 "configure"
+#line 3681 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_cv_struct_tm>
@@ -3655,7 +3685,7 @@ int main() {
 struct tm tm; tm.tm_zone;
 ; return 0; }
 EOF
-if { (eval echo configure:3659: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3689: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm_zone=yes
 else
@@ -3675,12 +3705,12 @@ EOF
 
 else
   echo $ac_n "checking for tzname""... $ac_c" 1>&6
-echo "configure:3679: checking for tzname" >&5
+echo "configure:3709: checking for tzname" >&5
 if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3684 "configure"
+#line 3714 "configure"
 #include "confdefs.h"
 #include <time.h>
 #ifndef tzname /* For SGI.  */
@@ -3690,7 +3720,7 @@ int main() {
 atoi(*tzname);
 ; return 0; }
 EOF
-if { (eval echo configure:3694: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:3724: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   ac_cv_var_tzname=yes
 else
@@ -3713,12 +3743,12 @@ fi
 
 
   echo $ac_n "checking whether we need POSIX to get struct utimbuf""... $ac_c" 1>&6
-echo "configure:3717: checking whether we need POSIX to get struct utimbuf" >&5
+echo "configure:3747: checking whether we need POSIX to get struct utimbuf" >&5
 if eval "test \"`echo '$''{'guile_cv_struct_utimbuf_needs_posix'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3722 "configure"
+#line 3752 "configure"
 #include "confdefs.h"
 
 #ifdef __EMX__
@@ -3730,7 +3760,7 @@ struct utime blah;
 
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3734: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3764: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3763,13 +3793,13 @@ if test "$cross_compiling" = yes; then
   echo "configure: warning: Guessing that stack grows down -- see scmconfig.h.in" 1>&2
 else
   cat > conftest.$ac_ext <<EOF
-#line 3767 "configure"
+#line 3797 "configure"
 #include "confdefs.h"
 aux (l) unsigned long l;
 	     { int x; exit (l >= ((unsigned long)&x)); }
 	   main () { int q; aux((unsigned long)&q); }
 EOF
-if { (eval echo configure:3773: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3803: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   cat >> confdefs.h <<\EOF
 #define SCM_STACK_GROWS_UP 1
@@ -3792,11 +3822,11 @@ EOF
 	   echo "configure: warning: Guessing that sizeof(long) == sizeof(float) -- see scmconfig.h.in" 1>&2
 else
   cat > conftest.$ac_ext <<EOF
-#line 3796 "configure"
+#line 3826 "configure"
 #include "confdefs.h"
 main () { exit (sizeof(float) != sizeof(long)); }
 EOF
-if { (eval echo configure:3800: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3830: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   cat >> confdefs.h <<\EOF
 #define SCM_SINGLES 1
@@ -3811,12 +3841,12 @@ fi
 
 
 echo $ac_n "checking for struct linger""... $ac_c" 1>&6
-echo "configure:3815: checking for struct linger" >&5
+echo "configure:3845: checking for struct linger" >&5
 if eval "test \"`echo '$''{'scm_cv_struct_linger'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3820 "configure"
+#line 3850 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -3825,7 +3855,7 @@ int main() {
 struct linger lgr;  lgr.l_linger = 100
 ; return 0; }
 EOF
-if { (eval echo configure:3829: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3859: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_struct_linger="yes"
 else
@@ -3852,19 +3882,19 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking how to set a stream file descriptor""... $ac_c" 1>&6
-echo "configure:3856: checking how to set a stream file descriptor" >&5
+echo "configure:3886: checking how to set a stream file descriptor" >&5
 if eval "test \"`echo '$''{'scm_cv_fd_setter'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3861 "configure"
+#line 3891 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 stdout->_file = 1
 ; return 0; }
 EOF
-if { (eval echo configure:3868: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3898: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_fd_setter="_file"
 else
@@ -3872,14 +3902,14 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 3876 "configure"
+#line 3906 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 stdout->_fileno = 1
 ; return 0; }
 EOF
-if { (eval echo configure:3883: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3913: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_fd_setter="_fileno"
 else
@@ -3917,19 +3947,19 @@ fi
 #--------------------------------------------------------------------
 
 echo $ac_n "checking how to get buffer char count from FILE structure""... $ac_c" 1>&6
-echo "configure:3921: checking how to get buffer char count from FILE structure" >&5
+echo "configure:3951: checking how to get buffer char count from FILE structure" >&5
 if eval "test \"`echo '$''{'scm_cv_struct_file_count'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3926 "configure"
+#line 3956 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 FILE *f = stdin; f->_cnt = 0
 ; return 0; }
 EOF
-if { (eval echo configure:3933: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3963: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_struct_file_count="_cnt"
 else
@@ -3937,14 +3967,14 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 3941 "configure"
+#line 3971 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 FILE *f = stdin; f->_r = 0
 ; return 0; }
 EOF
-if { (eval echo configure:3948: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3978: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_struct_file_count="_r"
 else
@@ -3952,14 +3982,14 @@ else
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 3956 "configure"
+#line 3986 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 FILE *f = stdin; f->readCount = 0
 ; return 0; }
 EOF
-if { (eval echo configure:3963: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3993: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_struct_file_count="readCount"
 else
@@ -3986,14 +4016,14 @@ if eval "test \"`echo '$''{'scm_cv_struct_file_gptr'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3990 "configure"
+#line 4020 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 FILE *f = stdin; f->_gptr = f->egptr;
 ; return 0; }
 EOF
-if { (eval echo configure:3997: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4027: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_struct_file_gptr=1
 else
@@ -4016,14 +4046,14 @@ if eval "test \"`echo '$''{'scm_cv_struct_file_readptr'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4020 "configure"
+#line 4050 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
 FILE *f = stdin; f->_IO_read_ptr = f->_IO_read_end;
 ; return 0; }
 EOF
-if { (eval echo configure:4027: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4057: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   scm_cv_struct_file_readptr=1
 else
@@ -4053,7 +4083,7 @@ fi
 
 
 echo $ac_n "checking "threads package type"""... $ac_c" 1>&6
-echo "configure:4057: checking "threads package type"" >&5
+echo "configure:4087: checking "threads package type"" >&5
 if eval "test \"`echo '$''{'cy_cv_threads_package'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4112,7 +4142,7 @@ if test "$use_threads" != no; then
     LDFLAGS="-L$use_threads/lib"
     LIBS="-lgthreads -lmalloc"
     cat > conftest.$ac_ext <<EOF
-#line 4116 "configure"
+#line 4146 "configure"
 #include "confdefs.h"
 #include <pthread.h>
 int main() {
@@ -4121,7 +4151,7 @@ pthread_equal(NULL,NULL);
 
 ; return 0; }
 EOF
-if { (eval echo configure:4125: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4155: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   threads_package=FSU
 else
@@ -4133,7 +4163,7 @@ rm -f conftest*
   if test "$threads_package" = unknown; then
     LIBS="-lpthread"
     cat > conftest.$ac_ext <<EOF
-#line 4137 "configure"
+#line 4167 "configure"
 #include "confdefs.h"
 #include <pthread.h>
 int main() {
@@ -4142,7 +4172,7 @@ pthread_equal(NULL,NULL);
 
 ; return 0; }
 EOF
-if { (eval echo configure:4146: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4176: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   threads_package=MIT
 else
@@ -4154,7 +4184,7 @@ rm -f conftest*
   if test "$threads_package" = unknown; then
     LIBS="-lpthreads"
     cat > conftest.$ac_ext <<EOF
-#line 4158 "configure"
+#line 4188 "configure"
 #include "confdefs.h"
 #include <pthread.h>
 int main() {
@@ -4163,7 +4193,7 @@ pthread_equal(NULL,NULL);
 
 ; return 0; }
 EOF
-if { (eval echo configure:4167: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:4197: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   threads_package=PCthreads
 else
@@ -4258,7 +4288,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4262: checking for $ac_word" >&5
+echo "configure:4292: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AWK'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4319,7 +4349,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:4323: checking host system type" >&5
+echo "configure:4353: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
diff --git a/configure.in b/configure.in
index 69f685ca9..2590126cc 100644
--- a/configure.in
+++ b/configure.in
@@ -70,18 +70,18 @@ if test "$enable_dynamic_linking" = "yes"; then
 
 AC_CHECK_LIB(dl,dlopen)
 if test "$ac_cv_lib_dl_dlopen" = "yes"; then
-  AC_DEFINE(HAVE_DLOPEN)
+  AC_CHECK_FUNC(dlopen)
   AC_DEFINE(DYNAMIC_LINKING)
 else
 AC_CHECK_LIB(dld,dld_link)
 if test "$ac_cv_lib_dld_dld_link" = "yes"; then
   AC_DEFINE(DYNAMIC_LINKING)
 else
-AC_CHECK_FUNCS(shl_load)
+AC_CHECK_FUNC(shl_load)
 if test "$ac_cv_func_shl_load" = "yes"; then
   AC_DEFINE(DYNAMIC_LINKING)
 else
-AC_CHECK_FUNCS(dlopen)
+AC_CHECK_FUNC(dlopen)
 if test "$ac_cv_func_dlopen" = "yes"; then
   AC_DEFINE(DYNAMIC_LINKING)
 fi
diff --git a/libguile/scmconfig.h.in b/libguile/scmconfig.h.in
index 68b517a1b..fe841648f 100644
--- a/libguile/scmconfig.h.in
+++ b/libguile/scmconfig.h.in
@@ -176,9 +176,6 @@
 /* Define if you have the ctermid function.  */
 #undef HAVE_CTERMID
 
-/* Define if you have the dlopen function.  */
-#undef HAVE_DLOPEN
-
 /* Define if you have the endhostent function.  */
 #undef HAVE_ENDHOSTENT
 
@@ -290,9 +287,6 @@
 /* Define if you have the setsid function.  */
 #undef HAVE_SETSID
 
-/* Define if you have the shl_load function.  */
-#undef HAVE_SHL_LOAD
-
 /* Define if you have the sigaction function.  */
 #undef HAVE_SIGACTION