Enable thread safety

Enable thread safety on all platforms.  This will either be followed up
by a more extensive patch, or reverted, depending on the build farm
results.

configure

@@ -1497,7 +1497,7 @@ Optional Features:
   --enable-dtrace         build with DTrace support
   --enable-depend         turn on automatic dependency tracking
   --enable-cassert        enable assertion checks (for debugging)
-  --enable-thread-safety  make client libraries thread-safe
+  --disable-thread-safety make client libraries thread-safe
   --enable-thread-safety-force
                           force thread-safety despite thread test failure
   --disable-float4-byval  disable float4 passed by value
@@ -4859,34 +4859,6 @@ IFS=$ac_save_IFS
 #
 { $as_echo "$as_me:$LINENO: checking allow thread-safe client libraries" >&5
 $as_echo_n "checking allow thread-safe client libraries... " >&6; }
-if test "$PORTNAME" != "win32"; then
-
-
-# Check whether --enable-thread-safety was given.
-if test "${enable_thread_safety+set}" = set; then
-  enableval=$enable_thread_safety;
-  case $enableval in
-    yes)
-      :
-      ;;
-    no)
-      :
-      ;;
-    *)
-      { { $as_echo "$as_me:$LINENO: error: no argument expected for --enable-thread-safety option" >&5
-$as_echo "$as_me: error: no argument expected for --enable-thread-safety option" >&2;}
-   { (exit 1); exit 1; }; }
-      ;;
-  esac
-
-else
-  enable_thread_safety=no
-
-fi
-
-
-else
-# Win32 should always use threads
 
 
 # Check whether --enable-thread-safety was given.
@@ -4912,7 +4884,6 @@ else
 fi
 
 
-fi
 
 
 

configure.in

@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-dnl $PostgreSQL: pgsql/configure.in,v 1.613 2009/11/30 16:50:38 momjian Exp $
+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
@@ -558,12 +558,7 @@ IFS=$ac_save_IFS
 # Enable thread-safe client libraries
 #
 AC_MSG_CHECKING([allow thread-safe client libraries])
-if test "$PORTNAME" != "win32"; then
-PGAC_ARG_BOOL(enable, thread-safety, no, [make client libraries thread-safe])
-else
-# Win32 should always use threads
 PGAC_ARG_BOOL(enable, thread-safety, yes, [make client libraries thread-safe])
-fi
 
 PGAC_ARG_BOOL(enable, thread-safety-force, no, [force thread-safety despite thread test failure])
 if test "$enable_thread_safety" = yes -o \