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Docs after efischer edited, but before merging with @adamjsteward's stuff.

Spack version 0.8.17

Minor release with documentation updates to Master.

v0.8.16 Release Notes
=========================

5 new packages since 0.8.15:
---------------------------------
 - cram
 - metis
 - otf
 - ravel
 - scotch
 - Fix for SAMRAI fetch URL.

For packagers
---------------------
  - MPICH now sets up MPICH_CC, MPICH_CXX, etc. in dependent environment
    so that dependency builds use Spack compiler wrappers.
  - Simpler build error messages on fail (no more python stacktrace)
  - Disable CMake policy warnings in `std_cmake_args`.
  - Remove superfluous compiler wrapper links (g++ link interfered with icpc)
  - Several new packaging helper functions:
    - `install_tree`
    - `traverse_tree`
    - `force_symlink`

v0.8.15 Release Notes
=========================

100 new packages since 0.8.11:
---------------------------------
Mitos       gtkplus        mpfr          py-matplotlib        py-shiboken
R           harfbuzz       mpibash       py-mpi4py            py-sip
atk         icu            muster        py-mx                py-six
bison       icu4c          nasm          py-nose              py-sympy
bzip2       isl            netcdf        py-numpy             py-virtualenv
cairo       jdk            nettle        py-pexpect           python
cloog       lcms           pango         py-pil               qhull
dbus        libdrm         pcre          py-pmw               qt
dri2proto   libffi         pixman        py-pychecker         qthreads
flex        libgcrypt      ppl           py-pygments          readline
gasnet      libgpg-error   py-basemap    py-pylint            rose
gcc         libjpeg-turbo  py-biopython  py-pyparsing         ruby
gdk-pixbuf  libmng         py-cython     py-pyqt              tcl
geos        libxcb         py-dateutil   py-pyside            tk
git         libxml2        py-epydoc     py-pytz              util-linux
glib        libxshmfence   py-gnuplot    py-rpy2              vtk
gmp         libxslt        py-h5py       py-scientificpython  wget
gnutls      memaxes        py-ipython    py-scikit-learn      xcb-proto
gperf       mesa           py-libxml2    py-scipy             xz
gperftools  mpc            py-mako       py-setuptools        yasm

For users
---------------------
  - Support for Python and Python extensions.
  - Python extensions can be activated/deactivated in an installation.
  - Updated documentation
  - Clearer 'spack find' output
  - Bugfixes for mirroring
  - Graphing dependencies with spack graph
  - ROSE Compiler (http://rosecompiler.org)
  - New commands:
      - spack extensions
      - spack activate
      - spack deactivate
      - spack clean (behaves like old clean -d)
      - spack restage (behaves like old clean -w)

For packagers
---------------------
  - Package extensions, e.g.: extends('python')
  - Extensible activation/deactivation of extensions
  - Dependencies can set variables/build options for dependents
      - setup_dependent_environment()
  - Support fetch URLs with query strings.
  - New commands:
      - spack env
      - spack graph

Bugfix release
- spack inadvertently required git, hg, svn, and svnadmin.
- this version doens't require them unless they're used.

v0.8.10: Fancy fetching

=======================
v0.8.10 Release Notes
=======================

For users
-----------------------
  - Packages can now fetch source from git, svn, and hg repositories.
  - Environment module support, docs.
  - Extensive additions to online documentation.
  - 18 new packages

For packagers
-----------------------
  - Versions in ranges are now more permissive, fixing some long-standing
    bugs.  pkg@:1 will now match pkg@1.0, pkg@1.1, pkg@1.9.1, etc.
    Previously "@:1" would not match any minor or patch versions above 1.
  - Github-aware list urls (spack will find releases tab on github)

Commands
-----------------------
  - spack list can now do globs (e.g., spack list mpi*)
  - spack md5 command does single-file checksums
  - spack info -r autogenerates package list for documentation.
  - spack edit -c can edit Spack commands by name.

Robustness
-----------------------
  - Extensive new unit tests (for fetching and mirroring)
  - MPI installs can work without fortran compilers
  - Version updates fix long-standing test failure. Tests all pass now.
  - Many bugfixes

18 new packages
-----------------------
  ImageMagick  automake   fontconfig  libNBC   libtool  netgauge
  autoconf     bib2xhtml  freetype    libpng   lwm2     sundials
  automaded    coreutils  jpeg        libtiff  mpe2     swig

Spack version 0.8.5

New features for users:
- Integration with TCL modules and dotkit
  - spack use/unuse, spcak load/unload
- Works with Python 2.6 (as well as 2.7 like before)
- 24 new packages:
  adept-utils  extrae      libmonitor  ompss    papi        scorep
  clang        hwloc       llvm        opari2   paraver     sqlite
  cube         libarchive  llvm-lld    openssl  postgresql  wx
  dtcmp        libcircle   lwgrp       otf2     scalasca    wxpropgrid

New features for packagers and developers:
- Per-version URLs
- Compiler-dependent C++11 flag
- CMAKE_PREFIX_PATH and PKG_CONFIG_PATH now set before install()
- Improved spec design, more stability
- New commands:
  - spack pkg
  - spack cd
  - spack location