580 lines
26 KiB
Markdown
580 lines
26 KiB
Markdown
# v0.15.2 (2020-07-23)
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This minor release includes two new features:
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* Spack install verbosity is decreased, and more debug levels are added (#17546)
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* The $spack/share/spack/keys directory contains public keys that may be optionally trusted for public binary mirrors (#17684)
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This release also includes several important fixes:
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* MPICC and related variables are now cleand in the build environment (#17450)
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* LLVM flang only builds CUDA offload components when +cuda (#17466)
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* CI pipelines no longer upload user environments that can contain secrets to the internet (#17545)
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* CI pipelines add bootstrapped compilers to the compiler config (#17536)
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* `spack buildcache list` does not exit on first failure and lists later mirrors (#17565)
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* Apple's "gcc" executable that is an apple-clang compiler does not generate a gcc compiler config (#17589)
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* Mixed compiler toolchains are merged more naturally across different compiler suffixes (#17590)
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* Cray Shasta platforms detect the OS properly (#17467)
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* Additional more minor fixes.
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# v0.15.1 (2020-07-10)
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This minor release includes several important fixes:
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* Fix shell support on Cray (#17386)
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* Fix use of externals installed with other Spack instances (#16954)
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* Fix gcc+binutils build (#9024)
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* Fixes for usage of intel-mpi (#17378 and #17382)
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* Fixes to Autotools config.guess detection (#17333 and #17356)
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* Update `spack install` message to prompt user when an environment is not
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explicitly activated (#17454)
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This release also adds a mirror for all sources that are
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fetched in Spack (#17077). It is expected to be useful when the
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official website for a Spack package is unavailable.
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# v0.15.0 (2020-06-28)
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`v0.15.0` is a major feature release.
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## Major Features in this release
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1. **Cray support** Spack will now work properly on Cray "Cluster"
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systems (non XC systems) and after a `module purge` command on Cray
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systems. See #12989
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2. **Virtual package configuration** Virtual packages are allowed in
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packages.yaml configuration. This allows users to specify a virtual
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package as non-buildable without needing to specify for each
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implementation. See #14934
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3. **New config subcommands** This release adds `spack config add` and
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`spack config remove` commands to add to and remove from yaml
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configuration files from the CLI. See #13920
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4. **Environment activation** Anonymous environments are **no longer**
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automatically activated in the current working directory. To activate
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an environment from a `spack.yaml` file in the current directory, use
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the `spack env activate .` command. This removes a concern that users
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were too easily polluting their anonymous environments with accidental
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installations. See #17258
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5. **Apple clang compiler** The clang compiler and the apple-clang
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compiler are now separate compilers in Spack. This allows Spack to
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improve support for the apple-clang compiler. See #17110
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6. **Finding external packages** Spack packages can now support an API
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for finding external installations. This allows the `spack external
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find` command to automatically add installations of those packages to
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the user's configuration. See #15158
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## Additional new features of note
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* support for using Spack with the fish shell (#9279)
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* `spack load --first` option to load first match (instead of prompting user) (#15622)
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* support the Cray cce compiler both new and classic versions (#17256, #12989)
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* `spack dev-build` command:
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* supports stopping before a specified phase (#14699)
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* supports automatically launching a shell in the build environment (#14887)
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* `spack install --fail-fast` allows builds to fail at the first error (rather than best-effort) (#15295)
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* environments: SpecList references can be dereferenced as compiler or dependency constraints (#15245)
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* `spack view` command: new support for a copy/relocate view type (#16480)
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* ci pipelines: see documentation for several improvements
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* `spack mirror -a` command now supports excluding packages (#14154)
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* `spack buildcache create` is now environment-aware (#16580)
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* module generation: more flexible format for specifying naming schemes (#16629)
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* lmod module generation: packages can be configured as core specs for lmod hierarchy (#16517)
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## Deprecations and Removals
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The following commands were deprecated in v0.13.0, and have now been removed:
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* `spack configure`
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* `spack build`
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* `spack diy`
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The following commands were deprecated in v0.14.0, and will be removed in the next major release:
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* `spack bootstrap`
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## Bugfixes
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Some of the most notable bugfixes in this release include:
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* Spack environments can now contain the string `-h` (#15429)
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* The `spack install` gracefully handles being backgrounded (#15723, #14682)
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* Spack uses `-isystem` instead of `-I` in cases that the underlying build system does as well (#16077)
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* Spack no longer prints any specs that cannot be safely copied into a Spack command (#16462)
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* Incomplete Spack environments containing python no longer cause problems (#16473)
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* Several improvements to binary package relocation
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## Package Improvements
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The Spack project is constantly engaged in routine maintenance,
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bugfixes, and improvements for the package ecosystem. Of particular
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note in this release are the following:
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* Spack now contains 4339 packages. There are 430 newly supported packages in v0.15.0
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* GCC now builds properly on ARM architectures (#17280)
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* Python: patched to support compiling mixed C/C++ python modules through distutils (#16856)
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* improvements to pytorch and py-tensorflow packages
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* improvements to major MPI implementations: mvapich2, mpich, openmpi, and others
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## Spack Project Management:
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* Much of the Spack CI infrastructure has moved from Travis to GitHub Actions (#16610, #14220, #16345)
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* All merges to the `develop` branch run E4S CI pipeline (#16338)
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* New `spack debug report` command makes reporting bugs easier (#15834)
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# v0.14.2 (2020-04-15)
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This is a minor release on the `0.14` series. It includes performance
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improvements and bug fixes:
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* Improvements to how `spack install` handles foreground/background (#15723)
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* Major performance improvements for reading the package DB (#14693, #15777)
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* No longer check for the old `index.yaml` database file (#15298)
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* Properly activate environments with '-h' in the name (#15429)
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* External packages have correct `.prefix` in environments/views (#15475)
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* Improvements to computing env modifications from sourcing files (#15791)
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* Bugfix on Cray machines when getting `TERM` env variable (#15630)
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* Avoid adding spurious `LMOD` env vars to Intel modules (#15778)
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* Don't output [+] for mock installs run during tests (#15609)
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# v0.14.1 (2020-03-20)
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This is a bugfix release on top of `v0.14.0`. Specific fixes include:
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* several bugfixes for parallel installation (#15339, #15341, #15220, #15197)
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* `spack load` now works with packages that have been renamed (#14348)
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* bugfix for `suite-sparse` installation (#15326)
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* deduplicate identical suffixes added to module names (#14920)
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* fix issues with `configure_args` during module refresh (#11084)
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* increased test coverage and test fixes (#15237, #15354, #15346)
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* remove some unused code (#15431)
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# v0.14.0 (2020-02-23)
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`v0.14.0` is a major feature release, with 3 highlighted features:
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1. **Distributed builds.** Multiple Spack instances will now coordinate
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properly with each other through locks. This works on a single node
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(where you've called `spack` several times) or across multiple nodes
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with a shared filesystem. For example, with SLURM, you could build
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`trilinos` and its dependencies on 2 24-core nodes, with 3 Spack
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instances per node and 8 build jobs per instance, with `srun -N 2 -n 6
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spack install -j 8 trilinos`. This requires a filesystem with locking
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enabled, but not MPI or any other library for parallelism.
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2. **Build pipelines.** You can also build in parallel through Gitlab
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CI. Simply create a Spack environment and push it to Gitlab to build
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on Gitlab runners. Pipeline support is now integrated into a single
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`spack ci` command, so setting it up is easier than ever. See the
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[Pipelines section](https://spack.readthedocs.io/en/v0.14.0/pipelines.html)
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in the docs.
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3. **Container builds.** The new `spack containerize` command allows you
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to create a Docker or Singularity recipe from any Spack environment.
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There are options to customize the build if you need them. See the
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[Container Images section](https://spack.readthedocs.io/en/latest/containers.html)
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in the docs.
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In addition, there are several other new commands, many bugfixes and
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improvements, and `spack load` no longer requires modules, so you can use
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it the same way on your laptop or on your supercomputer.
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Spack grew by over 300 packages since our last release in November 2019,
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and the project grew to over 500 contributors. Thanks to all of you for
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making yet another great release possible. Detailed notes below.
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## Major new core features
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* Distributed builds: spack instances coordinate and build in parallel (#13100)
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* New `spack ci` command to manage CI pipelines (#12854)
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* Generate container recipes from environments: `spack containerize` (#14202)
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* `spack load` now works without using modules (#14062, #14628)
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* Garbage collect old/unused installations with `spack gc` (#13534)
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* Configuration files all set environment modifications the same way (#14372,
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[docs](https://spack.readthedocs.io/en/v0.14.0/configuration.html#environment-modifications))
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* `spack commands --format=bash` auto-generates completion (#14393, #14607)
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* Packages can specify alternate fetch URLs in case one fails (#13881)
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## Improvements
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* Improved locking for concurrency with environments (#14676, #14621, #14692)
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* `spack test` sends args to `pytest`, supports better listing (#14319)
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* Better support for aarch64 and cascadelake microarch (#13825, #13780, #13820)
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* Archspec is now a separate library (see https://github.com/archspec/archspec)
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* Many improvements to the `spack buildcache` command (#14237, #14346,
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#14466, #14467, #14639, #14642, #14659, #14696, #14698, #14714, #14732,
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#14929, #15003, #15086, #15134)
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## Selected Bugfixes
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* Compilers now require an exact match on version (#8735, #14730, #14752)
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* Bugfix for patches that specified specific versions (#13989)
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* `spack find -p` now works in environments (#10019, #13972)
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* Dependency queries work correctly in `spack find` (#14757)
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* Bugfixes for locking upstream Spack instances chains (#13364)
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* Fixes for PowerPC clang optimization flags (#14196)
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* Fix for issue with compilers and specific microarchitectures (#13733, #14798)
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## New commands and options
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* `spack ci` (#12854)
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* `spack containerize` (#14202)
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* `spack gc` (#13534)
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* `spack load` accepts `--only package`, `--only dependencies` (#14062, #14628)
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* `spack commands --format=bash` (#14393)
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* `spack commands --update-completion` (#14607)
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* `spack install --with-cache` has new option: `--no-check-signature` (#11107)
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* `spack test` now has `--list`, `--list-long`, and `--list-names` (#14319)
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* `spack install --help-cdash` moves CDash help out of the main help (#13704)
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## Deprecations
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* `spack release-jobs` has been rolled into `spack ci`
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* `spack bootstrap` will be removed in a future version, as it is no longer
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needed to set up modules (see `spack load` improvements above)
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## Documentation
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* New section on building container images with Spack (see
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[docs](https://spack.readthedocs.io/en/latest/containers.html))
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* New section on using `spack ci` command to build pipelines (see
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[docs](https://spack.readthedocs.io/en/latest/pipelines.html))
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* Document how to add conditional dependencies (#14694)
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* Document how to use Spack to replace Homebrew/Conda (#13083, see
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[docs](https://spack.readthedocs.io/en/latest/workflows.html#using-spack-to-replace-homebrew-conda))
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## Important package changes
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* 3,908 total packages (345 added since 0.13.0)
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* Added first cut at a TensorFlow package (#13112)
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* We now build R without "recommended" packages, manage them w/Spack (#12015)
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* Elpa and OpenBLAS now leverage microarchitecture support (#13655, #14380)
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* Fix `octave` compiler wrapper usage (#14726)
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* Enforce that packages in `builtin` aren't missing dependencies (#13949)
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# v0.13.4 (2020-02-07)
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This release contains several bugfixes:
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* bugfixes for invoking python in various environments (#14349, #14496, #14569)
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* brought tab completion up to date (#14392)
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* bugfix for removing extensions from views in order (#12961)
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* bugfix for nondeterministic hashing for specs with externals (#14390)
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# v0.13.3 (2019-12-23)
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This release contains more major performance improvements for Spack
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environments, as well as bugfixes for mirrors and a `python` issue with
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RHEL8.
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* mirror bugfixes: symlinks, duplicate patches, and exception handling (#13789)
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* don't try to fetch `BundlePackages` (#13908)
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* avoid re-fetching patches already added to a mirror (#13908)
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* avoid re-fetching already added patches (#13908)
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* avoid re-fetching already added patches (#13908)
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* allow repeated invocations of `spack mirror create` on the same dir (#13908)
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* bugfix for RHEL8 when `python` is unavailable (#14252)
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* improve concretization performance in environments (#14190)
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* improve installation performance in environments (#14263)
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# v0.13.2 (2019-12-04)
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This release contains major performance improvements for Spack environments, as
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well as some bugfixes and minor changes.
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* allow missing modules if they are blacklisted (#13540)
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* speed up environment activation (#13557)
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* mirror path works for unknown versions (#13626)
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* environments: don't try to modify run-env if a spec is not installed (#13589)
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* use semicolons instead of newlines in module/python command (#13904)
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* verify.py: os.path.exists exception handling (#13656)
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* Document use of the maintainers field (#13479)
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* bugfix with config caching (#13755)
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* hwloc: added 'master' version pointing at the HEAD of the master branch (#13734)
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* config option to allow gpg warning suppression (#13744)
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* fix for relative symlinks when relocating binary packages (#13727)
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* allow binary relocation of strings in relative binaries (#13724)
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# v0.13.1 (2019-11-05)
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This is a bugfix release on top of `v0.13.0`. Specific fixes include:
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* `spack find` now displays variants and other spec constraints
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* bugfix: uninstall should find concrete specs by DAG hash (#13598)
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* environments: make shell modifications partially unconditional (#13523)
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* binary distribution: relocate text files properly in relative binaries (#13578)
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* bugfix: fetch prefers to fetch local mirrors over remote resources (#13545)
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* environments: only write when necessary (#13546)
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* bugfix: spack.util.url.join() now handles absolute paths correctly (#13488)
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* sbang: use utf-8 for encoding when patching (#13490)
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* Specs with quoted flags containing spaces are parsed correctly (#13521)
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* targets: print a warning message before downgrading (#13513)
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* Travis CI: Test Python 3.8 (#13347)
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* Documentation: Database.query methods share docstrings (#13515)
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* cuda: fix conflict statements for x86-64 targets (#13472)
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* cpu: fix clang flags for generic x86_64 (#13491)
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* syaml_int type should use int.__repr__ rather than str.__repr__ (#13487)
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* elpa: prefer 2016.05.004 until sse/avx/avx2 issues are resolved (#13530)
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* trilinos: temporarily constrain netcdf@:4.7.1 (#13526)
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# v0.13.0 (2019-10-25)
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`v0.13.0` is our biggest Spack release yet, with *many* new major features.
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From facility deployment to improved environments, microarchitecture
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support, and auto-generated build farms, this release has features for all of
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our users.
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Spack grew by over 700 packages in the past year, and the project now has
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over 450 contributors. Thanks to all of you for making this release possible.
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## Major new core features
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- Chaining: use dependencies from external "upstream" Spack instances
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- Environments now behave more like virtualenv/conda
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- Each env has a *view*: a directory with all packages symlinked in
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- Activating an environment sets `PATH`, `LD_LIBRARY_PATH`, `CPATH`,
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`CMAKE_PREFIX_PATH`, `PKG_CONFIG_PATH`, etc. to point to this view.
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- Spack detects and builds specifically for your microarchitecture
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- named, understandable targets like `skylake`, `broadwell`, `power9`, `zen2`
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- Spack knows which compilers can build for which architectures
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- Packages can easily query support for features like `avx512` and `sse3`
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- You can pick a target with, e.g. `spack install foo target=icelake`
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- Spack stacks: combinatorial environments for facility deployment
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- Environments can now build cartesian products of specs (with `matrix:`)
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- Conditional syntax support to exclude certain builds from the stack
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- Projections: ability to build easily navigable symlink trees environments
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- Support no-source packages (BundlePackage) to aggregate related packages
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- Extensions: users can write custom commands that live outside of Spack repo
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- Support ARM and Fujitsu compilers
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## CI/build farm support
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- `spack release-jobs` can detect `package.py` changes and generate
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`.gitlab-ci.yml` to create binaries for an environment or stack
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in parallel (initial support -- will change in future release).
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- Results of build pipelines can be uploaded to a CDash server.
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- Spack can now upload/fetch from package mirrors in Amazon S3
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## New commands/options
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- `spack mirror create --all` downloads *all* package sources/resources/patches
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- `spack dev-build` runs phases of the install pipeline on the working directory
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- `spack deprecate` permanently symlinks an old, unwanted package to a new one
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- `spack verify` chcecks that packages' files match what was originally installed
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- `spack find --json` prints `JSON` that is easy to parse with, e.g. `jq`
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- `spack find --format FORMAT` allows you to flexibly print package metadata
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- `spack spec --json` prints JSON version of `spec.yaml`
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## Selected improvements
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- Auto-build requested compilers if they do not exist
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- Spack automatically adds `RPATHs` needed to make executables find compiler
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runtime libraries (e.g., path to newer `libstdc++` in `icpc` or `g++`)
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- setup-env.sh is now compatible with Bash, Dash, and Zsh
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- Spack now caps build jobs at min(16, ncores) by default
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- `spack compiler find` now also throttles number of spawned processes
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- Spack now writes stage directories directly to `$TMPDIR` instead of
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symlinking stages within `$spack/var/spack/cache`.
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- Improved and more powerful `spec` format strings
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- You can pass a `spec.yaml` file anywhere in the CLI you can type a spec.
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- Many improvements to binary caching
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- Gradually supporting new features from Environment Modules v4
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- `spack edit` respects `VISUAL` environment variable
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- Simplified package syntax for specifying build/run environment modifications
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- Numerous improvements to support for environments across Spack commands
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- Concretization improvements
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## Documentation
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- Multi-lingual documentation (Started a Japanese translation)
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- Tutorial now has its own site at spack-tutorial.readthedocs.io
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- This enables us to keep multiple versions of the tutorial around
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## Deprecations
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- Spack no longer supports dotkit (LLNL's homegrown, now deprecated module tool)
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- `spack build`, `spack configure`, `spack diy` deprecated in favor of
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`spack dev-build` and `spack install`
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## Important package changes
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- 3,563 total packages (718 added since 0.12.1)
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- Spack now defaults to Python 3 (previously preferred 2.7 by default)
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- Much improved ARM support thanks to Fugaku (RIKEN) and SNL teams
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- Support new special versions: master, trunk, and head (in addition to develop)
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- Better finding logic for libraries and headers
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# v0.12.1 (2018-11-13)
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This is a minor bugfix release, with a minor fix in the tutorial and a `flake8` fix.
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Bugfixes
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* Add `r` back to regex strings in binary distribution
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* Fix gcc install version in the tutorial
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# v0.12.0 (2018-11-13)
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## Major new features
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- Spack environments
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- `spack.yaml` and `spack.lock` files for tracking dependencies
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- Custom configurations via command line
|
|
- Better support for linking Python packages into view directories
|
|
- Packages have more control over compiler flags via flag handlers
|
|
- Better support for module file generation
|
|
- Better support for Intel compilers, Intel MPI, etc.
|
|
- Many performance improvements, improved startup time
|
|
|
|
## License
|
|
- As of this release, all of Spack is permissively licensed under Apache-2.0 or MIT, at the user's option.
|
|
- Consents from over 300 contributors were obtained to make this relicense possible.
|
|
- Previous versions were distributed under the LGPL license, version 2.1.
|
|
|
|
## New packages
|
|
Over 2,900 packages (800 added since last year)
|
|
|
|
Spack would not be possible without our community. Thanks to all of our
|
|
[contributors](https://github.com/spack/spack/graphs/contributors) for the
|
|
new features and packages in this release!
|
|
|
|
|
|
# v0.11.2 (2018-02-07)
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|
|
|
This release contains the following fixes:
|
|
|
|
* Fixes for `gfortran` 7 compiler detection (#7017)
|
|
* Fixes for exceptions thrown during module generation (#7173)
|
|
|
|
|
|
# v0.11.1 (2018-01-19)
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|
|
|
This release contains bugfixes for compiler flag handling. There were issues in `v0.11.0` that caused some packages to be built without proper optimization.
|
|
|
|
Fixes:
|
|
* Issue #6999: FFTW installed with Spack 0.11.0 gets built without optimisations
|
|
|
|
Includes:
|
|
* PR #6415: Fixes for flag handling behavior
|
|
* PR #6960: Fix type issues with setting flag handlers
|
|
* 880e319: Upstream fixes to `list_url` in various R packages
|
|
|
|
|
|
# v0.11.0 (2018-01-17)
|
|
|
|
Spack v0.11.0 contains many improvements since v0.10.0.
|
|
Below is a summary of the major features, broken down by category.
|
|
|
|
## New packages
|
|
- Spack now has 2,178 packages (from 1,114 in v0.10.0)
|
|
- Many more Python packages (356) and R packages (471)
|
|
- 48 Exascale Proxy Apps (try `spack list -t proxy-app`)
|
|
|
|
|
|
## Core features for users
|
|
- Relocatable binary packages (`spack buildcache`, #4854)
|
|
- Spack now fully supports Python 3 (#3395)
|
|
- Packages can be tagged and searched by tags (#4786)
|
|
- Custom module file templates using Jinja (#3183)
|
|
- `spack bootstrap` command now sets up a basic module environment (#3057)
|
|
- Simplified and better organized help output (#3033)
|
|
- Improved, less redundant `spack install` output (#5714, #5950)
|
|
- Reworked `spack dependents` and `spack dependencies` commands (#4478)
|
|
|
|
|
|
## Major new features for packagers
|
|
- Multi-valued variants (#2386)
|
|
- New `conflicts()` directive (#3125)
|
|
- New dependency type: `test` dependencies (#5132)
|
|
- Packages can require their own patches on dependencies (#5476)
|
|
- `depends_on(..., patches=<patch list>)`
|
|
- Build interface for passing linker information through Specs (#1875)
|
|
- Major packages that use blas/lapack now use this interface
|
|
- Flag handlers allow packages more control over compiler flags (#6415)
|
|
- Package subclasses support many more build systems:
|
|
- autotools, perl, qmake, scons, cmake, makefile, python, R, WAF
|
|
- package-level support for installing Intel HPC products (#4300)
|
|
- `spack blame` command shows contributors to packages (#5522)
|
|
- `spack create` now guesses many more build systems (#2707)
|
|
- Better URL parsing to guess package version URLs (#2972)
|
|
- Much improved `PythonPackage` support (#3367)
|
|
|
|
|
|
## Core
|
|
- Much faster concretization (#5716, #5783)
|
|
- Improved output redirection (redirecting build output works properly #5084)
|
|
- Numerous improvements to internal structure and APIs
|
|
|
|
|
|
## Tutorials & Documentation
|
|
- Many updates to documentation
|
|
- [New tutorial material from SC17](https://spack.readthedocs.io/en/latest/tutorial.html)
|
|
- configuration
|
|
- build systems
|
|
- build interface
|
|
- working with module generation
|
|
- Documentation on docker workflows and best practices
|
|
|
|
|
|
## Selected improvements and bug fixes
|
|
- No longer build Python eggs -- installations are plain directories (#3587)
|
|
- Improved filtering of system paths from build PATHs and RPATHs (#2083, #3910)
|
|
- Git submodules are properly handled on fetch (#3956)
|
|
- Can now set default number of parallel build jobs in `config.yaml`
|
|
- Improvements to `setup-env.csh` (#4044)
|
|
- Better default compiler discovery on Mac OS X (#3427)
|
|
- clang will automatically mix with gfortran
|
|
- Improved compiler detection on Cray machines (#3075)
|
|
- Better support for IBM XL compilers
|
|
- Better tab completion
|
|
- Resume gracefully after prematurely terminated partial installs (#4331)
|
|
- Better mesa support (#5170)
|
|
|
|
|
|
Spack would not be possible without our community. Thanks to all of our
|
|
[contributors](https://github.com/spack/spack/graphs/contributors) for the
|
|
new features and packages in this release!
|
|
|
|
|
|
# v0.10.0 (2017-01-17)
|
|
|
|
This is Spack `v0.10.0`. With this release, we will start to push Spack
|
|
releases more regularly. This is the last Spack release without
|
|
automated package testing. With the next release, we will begin to run
|
|
package tests in addition to unit tests.
|
|
|
|
Spack has grown rapidly from 422 to
|
|
[1,114 packages](https://spack.readthedocs.io/en/v0.10.0/package_list.html),
|
|
thanks to the hard work of over 100 contributors. Below is a condensed
|
|
version of all the changes since `v0.9.1`.
|
|
|
|
### Packages
|
|
- Grew from 422 to 1,114 packages
|
|
- Includes major updates like X11, Qt
|
|
- Expanded HPC, R, and Python ecosystems
|
|
|
|
### Core
|
|
- Major speed improvements for spack find and concretization
|
|
- Completely reworked architecture support
|
|
- Platforms can have front-end and back-end OS/target combinations
|
|
- Much better support for Cray and BG/Q cross-compiled environments
|
|
- Downloads are now cached locally
|
|
- Support installations in deeply nested directories: patch long shebangs using `sbang`
|
|
|
|
### Basic usage
|
|
- Easier global configuration via config.yaml
|
|
- customize install, stage, and cache locations
|
|
- Hierarchical configuration scopes: default, site, user
|
|
- Platform-specific scopes allow better per-platform defaults
|
|
- Ability to set `cflags`, `cxxflags`, `fflags` on the command line
|
|
- YAML-configurable support for both Lmod and tcl modules in mainline
|
|
- `spack install` supports --dirty option for emergencies
|
|
|
|
### For developers
|
|
- Support multiple dependency types: `build`, `link`, and `run`
|
|
- Added `Package` base classes for custom build systems
|
|
- `AutotoolsPackage`, `CMakePackage`, `PythonPackage`, etc.
|
|
- `spack create` now guesses many more build systems
|
|
- Development environment integration with `spack setup`
|
|
- New interface to pass linking information via `spec` objects
|
|
- Currently used for `BLAS`/`LAPACK`/`SCALAPACK` libraries
|
|
- Polymorphic virtual dependency attributes: `spec['blas'].blas_libs`
|
|
|
|
### Testing & Documentation
|
|
- Unit tests run continuously on Travis CI for Mac and Linux
|
|
- Switched from `nose` to `pytest` for unit tests.
|
|
- Unit tests take 1 minute now instead of 8
|
|
- Massively expanded documentation
|
|
- Docs are now hosted on [spack.readthedocs.io](http://spack.readthedocs.io)
|