5.4.10
	- reduced list of supported MPI implementations to Open MPI
	  (support for other MPI implementations are available in the latest
	   stand-alone release of VampirTrace;
	   see http://www.tu-dresden.de/zih/vampirtrace/)
	- changed meaning of configure option '--with-openmpi': this option
	  indicates an Open MPI internal build
	- fixed a bug in Fortran MPI wrappers: added conversion for MPI_BOTTOM
	  and MPI_IN_PLACE

5.4.9
	- updated version of internal OTF to 1.3.12 (see extlib/otf/ChangeLog)
	- added support for cycle counter timer on Alpha and Sparc platforms
	- install header files to 'PREFIX/include/vampirtrace' by default to
	  avoid conflicts with the OpenMPI integrated version of VT
	- added configure option '--with[out]-bfd' to control usage of BFD
	  library to get symbol information for GNU, Intel, and Pathscale
	  compiler instrumentation
	- fixed detection of Sun Studio compiler on Linux for automatic
	  instrumentation
	- fixed faulty searching for matching filter directive

5.4.8
	- added wrapper for MPI function 'MPI_Init_thread'
	- fixed potential segmentation fault during shutdown the trace
	  environment after tracing C++ programs
	- replaced usage of PATH_MAX by VT_PATH_MAX to avoid compile errors
	  on some platforms

5.4.7
	  (the cycle counter timer is not available on all Linux platforms)
	- added configure check for header file 'asm/intrinsics.h' and
	  definition of '_IA64_REG_AR_ITC' which are required to use the
	  ITC timer on IA64/Linux
	- fixed faulty timer selection in configure
	- fixed compile error on RedHat/CentOS due to missing header include
	  of 'cctype.h' in the sources of 'vtunify'

5.4.6
	- updated version of internal OTF to 1.3.11 (see extlib/otf/ChangeLog)
	- added support for Cray CNL
	- added support for automatic instrumentation by using Pathscale
	  compiler (version 3.1 or higher required)
	- fixed a bug in vtfilter where the tool dies when a counter appears
	  outside of function
	- fixed faulty shell comparison in configure which may cause an	infinite
	  loop
	- bugfix: added configure check for I/O functions functions 'fseeko()'
	  (this function is not available on NEC SX platforms)
	- enhancement to OPARI (see tools/opari/ChangeLog:14,15)

5.4.5
	- updated version of internal OTF to 1.3.10 (see extlib/otf/ChangeLog)
	- fixed a bug for LIBC's I/O tracing: argument of 'fileno()' must be
	  a valid file stream
	- added configure option '--[enable|disable]-binaries' to control
	  building of binaries (useful for multi-lib installations)

5.4.4
	- updated version of internal OTF to 1.3.9 (see extlib/otf/ChangeLog)
	- fixed a portability bug: use own implementation of function
	  'strdup()'
	- removed variadic macros (they were introduced in C99)
	- fixed potential race condition by using OpenMP + LIBC's I/O tracing
	- fixed potential missing definition records by using OpenMP and the
	  maximum number of buffer flushes was reached
	- fixed a bug in the compiler wrappers: added check for SUN's OpenMP
	  compiler flag (-xopenmp)
	- fixed a bug for determining the timer-resolution for ITC
	- added process group definition for MPI communicator MPI_COMM_SELF
	- cleanup call stack when maximum number of flushes was reached
	- added check if we can link '-lz' in order to pass either '-lotf -lz'
	  or just '-lotf' as OTF link option
	- renamed configure's option '--with[out]-mpi-io' to
	  '[enable/disable]-mpi-io' for more consistent

5.4.3
	- bugfix for Fortran compiler wrappers (vtf77, vtf90):
	  OPARI's table source file (opari.tab.c) will be compiled
	  with the C compiler and flags which were given for VT's
	  configure (CC/CFLAGS)
	  (changeable in vt*-wrapper-data.txt)
	- bugfixes in vtunify:	- keep user's created process groups
				  for MPI communicators
				- reserve sorting of global process group
				  definitions

5.4.2
	- bugfix for VPATH builds
	- added check for PAPI version to configure script
	  (only support for version 3.x)

5.4.1
	- bugfix: added check for I/O functions which are a part of the large
	  file extensions (e.g. open64, creat64, ...); disable corresponding
	  wrapper functions, if system doesn't support these
	- added environment variable VT_DEMANGLE to enable/disable GNU
	  demangling of C++ names (default: disabled, due to a bug in older
	  versions of the GNU library 'liberty')
	- disabled support for I/O tracing on MacOS

5.4.0
	- updated version of internal OTF to 1.3.8 (see extlib/otf/ChangeLog)
	- added support for user defined counters
	- if available, PAPI cycle counter can be used as timer
	  (see config.h after configure)
	- recording of events will be stopped if the maximum number of
	  buffer flushes (env. VT_MAX_FLUSHES) was reached
	- added support for LIBC's I/O tracing
	- improved autoconf's m4 scripts for cross buildings
	- default settings for the compiler wrappers will be stored
	  in share/vampirtrace/vt*-wrapper-data.txt
	- vtfilter: - direct filtering without second trace run
	            - parallelization using OpenMP

5.3.2
	- updated version of internal OTF to 1.3.7 (see extlib/otf/ChangeLog)
	- improved autoconf's m4 scripts for cross buildings
	- added support for VPATH builds

5.3.1
	- set default trace call limit for all regions/functions to 100000

5.3.0
	- updated version of internal OTF to 1.3.4 (see extlib/otf/ChangeLog)
	- added support for automatic instrumentation by using Intel compiler
	  version 10.x (uses new compiler flag '-finstrument-functions')
	- added support for binary instrumentation by using Dyninst
	- added support for GLIBC's memory allocation tracing
	  (see doc/UserManual*)
	- bugfix: corrected process id for OpenMP collective operations
	- changed default function/region group from 'USR' to 'Application'
	- if only MPI-functions are instrumented, then entry-record of
	  function 'user' will be generated before MPI_Init
	- added trace filter generator tool 'vtfilter'
	  (see doc/USAGE.vtfilter)
	- added support for multiple compiler-instrumentations from one
	  installation of VampirTrace (see INSTALL)
	- replaced vtinst, vtinst-pomp, and vtinst-dyn by VT's compiler
	  wrapper (see doc/UserManual* and doc/USAGE.compinst)
	- added simple example applications
	- changed install directory of documentations from '$prefix/info'
	  to '$prefix/share/vampirtrace/doc'
	- changed install directory of metrics-, filter-, and grouping
	  configuration from '$prefix/doc' to '$prefix/share/vampirtrace'

5.2.5
	- fixed potentially race condition by tracing OpenMP apps.
	- fixed some little memory leaks
	- fixed native counter issue on IA64 systems
	- added check for header files 'stdint.h' and 'inttypes.h'; if none of
	  these files found, then own integer types will be defined

5.2.4
	- updated version of internal OTF to 1.2.19 (see extlib/otf/ChangeLog)
	- fixed compile error, which occurred by using old SUN compilers
	- added a configure summary
	- added HP MPI support
	- renamed Fortran MPI wrapper library to 'libvt.fmpi' to avoid possible
	  name conflicts
	- fixed a bug (integer overflow) in mechanism for getting timer on
	  Linux systems

5.2.3
	- changed install directory of documentations from 'doc' to 'info'
	  (adjustable by configure option '--infodir')
	- forward configure options '--exec-prefix', '--bindir', '--libdir', ',
	  '--includedir', and '--infodir' to configure command of internal OTF
	- added checking for CPP-Style Fortran preprocessor of gfortran
	- added checking for location of 'mmtimer.h'
	- made sure that peers of events (e.g. msg. send enter + msg. send)
	  have the same timestamp
	- clock synchronization can be forced
	  (see config.h after configure)

5.2.2
	- fixed a bug in region filter which occurred by tracing OpenMP apps.
	  instrumented by compiler (vtinst)
	- added option '-k' for vtunify to keep input trace files

5.2.1
	- fixed several performance issues
	- improved mechanism for getting clock cycles on IBM PPC64 machines
	- the user can specify the mechanism, which used for getting timer
	  (only for Linux, SGI Altix, IBM AIX, Cray X1
	   - see config.h after configure)

5.2.0
	- updated version of internal OTF to 1.2.18 (see extlib/otf/ChangeLog)
	- replaced build system by GNU Autoconf/Automake
	- changed base name (e.g. environment variables, source files) to VT...
	  (see doc/USAGE)
	- added OpenMP support by using OPARI instrumentation tool
	- write process group records, which contain the location of processes
	  (node name)
	- added tool 'vtconfig' to simplify determining the right compiler and
	  linker flags

5.1.7
	- updated version of internal OTF to 1.2.13

5.1.6
	- updated version of internal OTF to 1.2.11
	- fixed a bug: record the REAL buffer-length of a MPI non-blocking 
	  receive operation
	- added wrapper for MPI function 'MPI_Probe'
	- added Open MPI support
	- added a simple "configure" command
	  (see INSTALL)

5.1.5
	- fixed a bug in elg_otfunify time synchronization

5.1.4
	- updated version of internal OTF to 1.1.9
	- fixed a bug in elg_otfunify which occurred if compiled with PGI
	  and used OMP parallelization
	- enhanced progress display of elg_otfunify

5.1.3
	- fixed little bugs in build system, which occurred if multiple
	  mode building used (Makefile.32-64)
	- added support for clusters of IBM Power3/4 machines
	  and Linux PPC cluster with IBM compilers

5.1.2
	- updated version of internal OTF to 1.1.8

5.1.1
	- write list of filtered regions to file (*.x.filt)
	- specified flags of 'ar' in Makefile.defs (AFLAG) will
	  be assign to internal OTF configure script

5.1.0
	- counter event record will be wrote before leave event record
	- added region filter and grouping managment

5.0.6
	- added creator informations of tracefile (tracelib, version, date
	  and time)
	- reduced offset of process group token
	- improved name of process groups

5.0.5
	- fixed a bug in elg_otfunify which occurred if the environment
	  variable ELG_PFORM_DIR was set

5.0.4
	- fixed a bug which occurred on Opteron systems (faulty timestamps)
	- made sure that the ids of process groups and processes are
	  different (for analyzing trace files)

5.0.3
	- updated version of internal OTF to 1.1.5
	- fixed a bug in GNU compiler interface which might have caused
	  a segmentation fault during flushing the trace buffer

5.0.2
	- updated version of internal OTF to 1.1.4

5.0.1
	- updated version of internal OTF to 1.1.3

5.0.0
	- initial version
