Patch #618347: Work around Solaris 2.6 pthread.h bug. Will backport to 2.2.
diff --git a/configure b/configure
index 9c995c3..181c983 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 1.348 .
+# From configure.in Revision: 1.349 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.53.
 #
@@ -10885,6 +10885,17 @@
         OSF1) LDLAST=-threads;;
         esac
     fi
+
+    if test "$posix_threads" = yes -a \
+		"$ac_sys_system" = "SunOS" -a \
+		"$ac_sys_release" = "5.6"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_PTHREAD_DESTRUCTOR 1
+_ACEOF
+
+	fi
+
 fi
 
 # Check for enable-ipv6