Merge hundin.mysql.fi:/my/mysql-3.23

into hundin.mysql.fi:/my/bk/mysql-4.0

Docs/manual.texi

@@ -50922,6 +50922,8 @@ not yet 100% confident in this code.
 @item
 Fixed problem with @code{UNSIGNED BIGINT} on AIX (again).
 @item
+Fixed bug in pthread_mutex_trylock() on HPUX 11.0
+@item
 Multithreaded stress tests for InnoDB.
 @end itemize
 

configure.in

@@ -892,8 +892,8 @@ case $SYSTEM_TYPE in
     ;;
   *hpux10.20*)
     echo "Enabling workarounds for hpux 10.20"
-    CFLAGS="$CFLAGS -DHAVE_BROKEN_SNPRINTF -DSIGNALS_DONT_BREAK_READ -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHPUX -DSIGNAL_WITH_VIO_CLOSE -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT"
-    CXXFLAGS="$CXXFLAGS -DHAVE_BROKEN_SNPRINTF -D_INCLUDE_LONGLONG -DSIGNALS_DONT_BREAK_READ -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHPUX -DSIGNAL_WITH_VIO_CLOSE -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT"
+    CFLAGS="$CFLAGS -DHAVE_BROKEN_SNPRINTF -DSIGNALS_DONT_BREAK_READ -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHPUX -DSIGNAL_WITH_VIO_CLOSE -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT -DHAVE_POSIX1003_4a_MUTEX"
+    CXXFLAGS="$CXXFLAGS -DHAVE_BROKEN_SNPRINTF -D_INCLUDE_LONGLONG -DSIGNALS_DONT_BREAK_READ -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHPUX -DSIGNAL_WITH_VIO_CLOSE -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT HAVE_POSIX1003_4a_MUTEX"
     if test "$with_named_thread" = "no"
     then 
       echo "Using --with-named-thread=-lpthread"