--- configure.orig	Tue Dec  5 19:32:37 2000
+++ configure	Wed Mar 14 16:09:46 2001
@@ -2973,10 +2973,10 @@
 	# Not available on all versions:  check for include file.
 	if test -f /usr/include/dlfcn.h; then
 	    SHLIB_CFLAGS="-fpic"
-	    SHLIB_LD_LIBS=""
+	    SHLIB_LD_LIBS="${LIBS}"
 	    SHLIB_SUFFIX=".so"
 	    DL_LIBS=""
-	    VTK_SHLIB_LINK_FLAGS="-shared"
+	    VTK_SHLIB_BUILD_FLAGS="-shared"
 	else
 	    SHLIB_CFLAGS=""
 	    SHLIB_LD_LIBS=""
@@ -3393,6 +3393,46 @@
 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   THREAD_LIBS="-lpthread"
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+    echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
+echo "configure:3191: checking for pthread_create in -lc_r" >&5
+ac_lib_var=`echo c_r'_'pthread_create | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lc_r  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3199 "configure"
+#include "confdefs.h"
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char pthread_create();
+
+int main() {
+pthread_create()
+; return 0; }
+EOF
+if { (eval echo configure:3210: \"$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
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  THREAD_LIBS="-lc_r"
 else
   echo "$ac_t""no" 1>&6
 fi