*** pgsql/configure.in	2009/12/02 14:07:25	1.615
--- pgsql/configure.in	2009/12/11 02:21:21	1.616
***************
*** 1,5 ****
  dnl Process this file with autoconf to produce a configure script.
! dnl $PostgreSQL: pgsql/configure.in,v 1.614 2009/12/01 23:02:44 momjian Exp $
  dnl
  dnl Developers, please strive to achieve this order:
  dnl
--- 1,5 ----
  dnl Process this file with autoconf to produce a configure script.
! dnl $PostgreSQL: pgsql/configure.in,v 1.615 2009/12/02 14:07:25 momjian Exp $
  dnl
  dnl Developers, please strive to achieve this order:
  dnl
*************** IFS=$ac_save_IFS
*** 559,564 ****
--- 559,568 ----
  #
  AC_MSG_CHECKING([allow thread-safe client libraries])
  PGAC_ARG_BOOL(enable, thread-safety, yes, [disable thread-safety in client libraries])
+ if test "$enable_thread_safety" = yes; then
+   AC_DEFINE([ENABLE_THREAD_SAFETY], 1,
+           [Define to 1 to build client libraries as thread-safe code. (--enable-thread-safety)])
+ fi
  AC_MSG_RESULT([$enable_thread_safety])
  AC_SUBST(enable_thread_safety)