diff --git a/configure b/configure
index df432d8..c94f2a1 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 1.385 .
+# From configure.in Revision: 1.386 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.53 for python 2.3.
 #
@@ -11132,6 +11132,15 @@
 
       fi
 
+      # Bug 662787: Using semaphores causes unexplicable hangs on Solaris 8.
+      case  $ac_sys_system/$ac_sys_release in
+      SunOS/5.8)
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_BROKEN_POSIX_SEMAPHORES 1
+_ACEOF
+;;
+      esac
+
       echo "$as_me:$LINENO: checking if PTHREAD_SCOPE_SYSTEM is supported" >&5
 echo $ECHO_N "checking if PTHREAD_SCOPE_SYSTEM is supported... $ECHO_C" >&6
       if test "${ac_cv_pthread_system_supported+set}" = set; then