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Fix @all alias should only build enabled libraries #2491

Merged
merged 1 commit into from
Oct 11, 2019
Merged

Fix @all alias should only build enabled libraries #2491

merged 1 commit into from
Oct 11, 2019

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bobot
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@bobot bobot commented Jul 31, 2019

Fixes #2272

@bobot bobot requested a review from rgrinberg July 31, 2019 15:45
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bobot commented Jul 31, 2019 •
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@rgrinberg it is in fact not so simple. Because by removing the rules, it would remove the nice message when one depends one of the target of the library or ask to build it. At list it does for optional executables were we easily get program not found! instead of the reason for the dependencies for not being buildable.

A better option would be to be able to remove these target from the globing but not from the graph.

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Oh yeah, I remember now. @diml I think this is a fairly good reason why @all can't just be building all the targets in all directories recursively. We know optional targets are allowed to fail in advance, there's no reason to include them in @all.

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ghost commented Aug 1, 2019

Indeed, yeah

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This PR alters the behavior of merlin generation and also for detecting which modules belong to which stanzas. That doesn't seem right to me. Can we add some tests for these changes?

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ghost commented Aug 7, 2019

A better option would be to be able to remove these target from the globing but not from the graph.

That would be really nice! And maybe not that difficult to implement. For instance, we could flag such rules with a special marker. When collecting the list of targets in a directory, we would always skip such targets, but trying to build such a target would lead to the better error message.

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ghost commented Oct 10, 2019

We just talked about this with @rgrinberg. We decided to go for @bobot's versoin for 2.0.0, and keep the improvement discussed here for the future.

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I'll clarify my last comment purely for reference here:

  • Currently, libraries that aren't buildable will still be included in the .merlin file. That means merlin will still be able to jump to their sources if possible. Now this is no longer the case.

  • I no longer understand how the stanza <-> module relationship is affected by this PR.

@bobot @rgrinberg
Fix @all alias
f58ff40 
It should only build enabled libraries

Fixes #2272

Signed-off-by: François Bobot <francois.bobot@cea.fr>
Signed-off-by: Rudi Grinberg <rudi.grinberg@gmail.com>
@rgrinberg rgrinberg merged commit 5f65259 into master Oct 11, 2019
@rgrinberg rgrinberg deleted the fixes-2272 branch October 11, 2019 07:26
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ghost commented Oct 14, 2019

Currently, libraries that aren't buildable will still be included in the .merlin file. That means merlin will still be able to jump to their sources if possible. Now this is no longer the case.

That seems fine. It is not possible to build against an unavailable library, so we should never need to jump to the sources of an unavailable library.

I no longer understand how the stanza <-> module relationship is affected by this PR.

The module<->stanza assignment is done before that and once and for all in Dir_contents, before we know what is available and what is not, so this PR shouldn't affect it. In a distant past, we were doing that as we went using mutable state, and the old code would have indeed be broken by this PR, but the current one is fine.

rgrinberg added a commit to rgrinberg/opam-repository that referenced this pull request Oct 31, 2019
@rgrinberg
[new release] dune-build-info, dune, dune-configurator, dune-action-p…
2cf603a 
…lugin, dune-private-libs and dune-glob (2.0.0+draft1)

CHANGES:

- Introduce `alias` and `package` fields to the `rule` stanza. This is the
  preferred way of attaching rules to aliases. (ocaml/dune#2744, @rgrinberg)

- Add field `(optional)` for executable stanzas (ocaml/dune#2463, fixes ocaml/dune#2433, @bobot)

- Infer targets for rule stanzas expressed in long form (ocaml/dune#2494, fixes ocaml/dune#2469,
  @NathanReb)

- Indicate the progress of the initial file tree loading (ocaml/dune#2459, fixes ocaml/dune#2374,
  @bobot)

- Build `.cm[ox]` files for executables more eagerly. This speeds up builds at
  the cost of building unnecessary artifacts in some cases. Some of these extra
  artifacts can fail to built, so this is a breaking change. (ocaml/dune#2268, @rgrinberg)

- Do not put the `<package>.install` files in the source tree unless `-p` or
  `--promote-install-files` is passed on the command line (ocaml/dune#2329, @diml)

- Change `implicit_transive_deps` to be false. Implicit transitive deps now must
  be manually enabled (ocaml/dune#2306, @rgrinberg)

- Compilation units of user defined executables are now mangled by default. This
  is done to prevent the accidental collision with library dependencies of the
  executable. (ocaml/dune#2364, fixes ocaml/dune#2292, @rgrinberg)

- Enable `(explicit_js_mode)` by default. (ocaml/dune#1941, @nojb)

- Add an option to clear the console in-between builds with
 `--terminal-persistence=clear-on-rebuild`

- Stop symlinking object files to main directory for stanzas defined `jbuild`
  files (ocaml/dune#2440, @rgrinberg)

- Library names are now validated in a strict fashion. Previously, invalid names
  would be allowed for unwrapped libraries (ocaml/dune#2442, @rgrinberg)

- mli only modules must now be explicitly declared. This was previously a
  warning and is now an error. (ocaml/dune#2442, @rgrinberg)

- Modules filtered out from the module list via the Ordered Set Language must
  now be actual modules. (ocaml/dune#2442, @rgrinberg)

- Actions which introduce targets where new targets are forbidden (e.g.
  preprocessing) are now an error instead of a warning. (ocaml/dune#2442, @rgrinberg)

- No longer install a `jbuilder` binary. (ocaml/dune#2441, @diml)

- Stub names are no longer allowed relative paths. This was previously a warning
  and is now an error (ocaml/dune#2443, @rgrinberg).

- Define (paths ...) fields in (context ...) definitions in order to set or
  extend any PATH-like variable in the context environment. (ocaml/dune#2426, @nojb)

- The `diff` action will always normalize newlines before diffing. Perviousy, it
  would not do this normalization for rules defined in jbuild files. (ocaml/dune#2457,
  @rgrinberg)

- Modules may no longer belong to more than one stanza. This was previously
  allowed only in stanzas defined in `jbuild` files. (ocaml/dune#2458, @rgrinberg)

- Remove support for `jbuild-ignore` files. They have been replaced by the the
  `dirs` stanza in `dune` files. (ocaml/dune#2456, @rgrinberg)

- Add a new config option `sandboxing_preference`, the cli argument `--sandbox`,
  and the dep spec `sandbox` in dune language. These let the user control the level of
  sandboxing done by dune per rule and globally. The rule specification takes precedence.
  The global configuration merely specifies the default.
  (ocaml/dune#2213, @aalekseyev, @diml)

- Remove support for old style subsystems. Dune will now emit a warning to
  reinstall the library with the old style subsystem. (ocaml/dune#2480, @rgrinberg)

- Add action (with-stdin-from <file> <action>) to redirect input from <file>
  when performing <action>. (ocaml/dune#2487, @nojb)

- Change the automatically generated odoc index to only list public modules.
  This only affects unwrapped libraries (ocaml/dune#2479, @rgrinberg)

- Set up formatting rules by default. They can be configured through a new
  `(formatting)` stanza in `dune-project` (ocaml/dune#2347, fixes ocaml/dune#2315, @emillon)

- Change default target from `@install` to `@all`. (ocaml/dune#2449, fixes ocaml/dune#1220,
  @rgrinberg)

- Include building stubs in `@check` rules. (@rgrinberg, ocaml/dune#2530)

- Get rid of ad-hoc rules for guessing the version. Dune now only
  relies on the version written in the `dune-project` file and no
  longer read `VERSION` or similar files (ocaml/dune#2541, @diml)

- In `(diff? x y)` action, require `x` to exist and register a
  dependency on that file. (ocaml/dune#2486, @aalekseyev)

- On Windows, an .exe suffix is no longer added implicitly to binary names that
  already end in .exe. Second, when resolving binary names, .opt variants are no
  longer chosen automatically. (ocaml/dune#2543, @nojb)

- Make `(diff? x y)` move the correction file (`y`) away from the build
  directory to promotion staging area. This makes corrections work with
  sandboxing and in general reduces build directory pollution. (ocaml/dune#2486,
  @aalekseyev, fixes ocaml/dune#2482)

- `c_flags`, `c_names` and `cxx_names` are now supported in `executable`
  and `executables` stanzas. (ocaml/dune#2562, @nojb)
  Note: this feature has been subsequently extended into a separate
  `foreign_stubs` field. (ocaml/dune#2659, RFC ocaml/dune#2650, @snowleopard)

- Remove git integration from `$ dune upgrade` (ocaml/dune#2565, @rgrinberg)

- Add a `--disable-promotion` to disable all modification to the source
  directory. There's also a corresponding `DUNE_DISABLE_PROMOTION` environment
  variable. (ocaml/dune#2588, fix ocaml/dune#2568, @rgrinberg)

- Add a `forbidden_libraries` field to prevent some library from being
  linked in an executable. This help detecting who accidently pulls in
  `unix` for instance (ocaml/dune#2570, @diml)

- Fix incorrect error message when a variable is expanded in static context:
  `%{lib:lib:..}` when the library does not exist. (ocaml/dune#2597, fix ocaml/dune#1541,
  @rgrinberg)

- Add `--sections` option to `$ dune install` to install subsections of .install
  files. This is useful for installing only the binaries in a workspace for
  example. (ocaml/dune#2609, fixes ocaml/dune#2554, @rgrinberg)

- Drop support for `jbuild` and `jbuild-ignore` files (ocaml/dune#2607, @diml)

- Add a `dune-action-plugin` library for describing dependencies direcly in
  the executable source. Programs that use this feature can be run by a new
  action (dynamic-run <progn> ...). (ocaml/dune#2635, @staronj, @aalekseyev)

- Stop installing the `ocaml-syntax-shims` binary. In order to use
  `future_syntax`, one now need to depend on the `ocaml-syntax-shims`
  package (ocaml/dune#2654, @diml)

- Add support for dependencies that are re-exported. Such dependencies
  are marked with`re_export` and will automatically be provided to
  users of a library (ocaml/dune#2605, @rgrinberg)

- Add a `deprecated_library_name` stanza to redirect old names after a
  library has been renamed (ocaml/dune#2528, @diml)

- Error out when a `preprocessor_deps` field is present but not
  `preprocess` field is. It is a warning with Dune 1.x projects
  (ocaml/dune#2660, @Julow)

- Dune will use `-output-complete-exe` instead of `-custom` when compiling
  self-contained bytecode executables whenever this options is available
  (OCaml version >= 4.10) (ocaml/dune#2692, @nojb)

- Add action `(with-accepted-exit-codes <pred> <action>)` to specify the set of
  successful exit codes of `<action>`. `<pred>` is specified using the predicate
  language. (ocaml/dune#2699, @nojb)

- Do not setup rules for disabled libraries (ocaml/dune#2491, fixes ocaml/dune#2272, @bobot)

- Configurator: filter out empty flags from `pkg-config` (ocaml/dune#2716, @AltGr)

- `no_keep_locs` is a no-op for projects that use `lang dune` older than 2.0. In
  projects where the language is at least `2.0`, the field is now forbidden.
  (ocaml/dune#2752, fixes ocaml/dune#2747, @rgrinberg)

- Extend support for foreign sources and archives via the `(foreign_library ...)`
  stanza as well as the `(foreign_stubs ...)` and `(foreign_archives ...)` fields.
  (ocaml/dune#2659, RFC ocaml/dune#2650, @snowleopard)

- Add (deprecated_package_names) field to (package) declaration in
  dune-project. The names declared here can be used in the (old_public_name)
  field of (deprecated_library_name) stanza. These names are interpreted as
  library names (not prefixed by a package name) and appropiate redirections are
  setup in their META files. This feaure is meant to migrate old libraries which
  do not follow Dune's convention of prefixing libraries with the package
  name. (ocaml/dune#2696, @nojb)

- The fields `license`, `authors`, `maintainers`, `source`, `bug_reports`,
  `homepage`, and `documentation` of `dune-project` can now be overriden on a
  per-package basis. (ocaml/dune#2774, @nojb)
@rgrinberg rgrinberg mentioned this pull request Oct 31, 2019
Closed
rgrinberg added a commit to rgrinberg/opam-repository that referenced this pull request Oct 31, 2019
@rgrinberg
[new release] dune-build-info, dune, dune-configurator, dune-action-p…
3f9d2d3 
…lugin, dune-private-libs and dune-glob (2.0.0+draft1)

CHANGES:

- Introduce `alias` and `package` fields to the `rule` stanza. This is the
  preferred way of attaching rules to aliases. (ocaml/dune#2744, @rgrinberg)

- Add field `(optional)` for executable stanzas (ocaml/dune#2463, fixes ocaml/dune#2433, @bobot)

- Infer targets for rule stanzas expressed in long form (ocaml/dune#2494, fixes ocaml/dune#2469,
  @NathanReb)

- Indicate the progress of the initial file tree loading (ocaml/dune#2459, fixes ocaml/dune#2374,
  @bobot)

- Build `.cm[ox]` files for executables more eagerly. This speeds up builds at
  the cost of building unnecessary artifacts in some cases. Some of these extra
  artifacts can fail to built, so this is a breaking change. (ocaml/dune#2268, @rgrinberg)

- Do not put the `<package>.install` files in the source tree unless `-p` or
  `--promote-install-files` is passed on the command line (ocaml/dune#2329, @diml)

- Change `implicit_transive_deps` to be false. Implicit transitive deps now must
  be manually enabled (ocaml/dune#2306, @rgrinberg)

- Compilation units of user defined executables are now mangled by default. This
  is done to prevent the accidental collision with library dependencies of the
  executable. (ocaml/dune#2364, fixes ocaml/dune#2292, @rgrinberg)

- Enable `(explicit_js_mode)` by default. (ocaml/dune#1941, @nojb)

- Add an option to clear the console in-between builds with
 `--terminal-persistence=clear-on-rebuild`

- Stop symlinking object files to main directory for stanzas defined `jbuild`
  files (ocaml/dune#2440, @rgrinberg)

- Library names are now validated in a strict fashion. Previously, invalid names
  would be allowed for unwrapped libraries (ocaml/dune#2442, @rgrinberg)

- mli only modules must now be explicitly declared. This was previously a
  warning and is now an error. (ocaml/dune#2442, @rgrinberg)

- Modules filtered out from the module list via the Ordered Set Language must
  now be actual modules. (ocaml/dune#2442, @rgrinberg)

- Actions which introduce targets where new targets are forbidden (e.g.
  preprocessing) are now an error instead of a warning. (ocaml/dune#2442, @rgrinberg)

- No longer install a `jbuilder` binary. (ocaml/dune#2441, @diml)

- Stub names are no longer allowed relative paths. This was previously a warning
  and is now an error (ocaml/dune#2443, @rgrinberg).

- Define (paths ...) fields in (context ...) definitions in order to set or
  extend any PATH-like variable in the context environment. (ocaml/dune#2426, @nojb)

- The `diff` action will always normalize newlines before diffing. Perviousy, it
  would not do this normalization for rules defined in jbuild files. (ocaml/dune#2457,
  @rgrinberg)

- Modules may no longer belong to more than one stanza. This was previously
  allowed only in stanzas defined in `jbuild` files. (ocaml/dune#2458, @rgrinberg)

- Remove support for `jbuild-ignore` files. They have been replaced by the the
  `dirs` stanza in `dune` files. (ocaml/dune#2456, @rgrinberg)

- Add a new config option `sandboxing_preference`, the cli argument `--sandbox`,
  and the dep spec `sandbox` in dune language. These let the user control the level of
  sandboxing done by dune per rule and globally. The rule specification takes precedence.
  The global configuration merely specifies the default.
  (ocaml/dune#2213, @aalekseyev, @diml)

- Remove support for old style subsystems. Dune will now emit a warning to
  reinstall the library with the old style subsystem. (ocaml/dune#2480, @rgrinberg)

- Add action (with-stdin-from <file> <action>) to redirect input from <file>
  when performing <action>. (ocaml/dune#2487, @nojb)

- Change the automatically generated odoc index to only list public modules.
  This only affects unwrapped libraries (ocaml/dune#2479, @rgrinberg)

- Set up formatting rules by default. They can be configured through a new
  `(formatting)` stanza in `dune-project` (ocaml/dune#2347, fixes ocaml/dune#2315, @emillon)

- Change default target from `@install` to `@all`. (ocaml/dune#2449, fixes ocaml/dune#1220,
  @rgrinberg)

- Include building stubs in `@check` rules. (@rgrinberg, ocaml/dune#2530)

- Get rid of ad-hoc rules for guessing the version. Dune now only
  relies on the version written in the `dune-project` file and no
  longer read `VERSION` or similar files (ocaml/dune#2541, @diml)

- In `(diff? x y)` action, require `x` to exist and register a
  dependency on that file. (ocaml/dune#2486, @aalekseyev)

- On Windows, an .exe suffix is no longer added implicitly to binary names that
  already end in .exe. Second, when resolving binary names, .opt variants are no
  longer chosen automatically. (ocaml/dune#2543, @nojb)

- Make `(diff? x y)` move the correction file (`y`) away from the build
  directory to promotion staging area. This makes corrections work with
  sandboxing and in general reduces build directory pollution. (ocaml/dune#2486,
  @aalekseyev, fixes ocaml/dune#2482)

- `c_flags`, `c_names` and `cxx_names` are now supported in `executable`
  and `executables` stanzas. (ocaml/dune#2562, @nojb)
  Note: this feature has been subsequently extended into a separate
  `foreign_stubs` field. (ocaml/dune#2659, RFC ocaml/dune#2650, @snowleopard)

- Remove git integration from `$ dune upgrade` (ocaml/dune#2565, @rgrinberg)

- Add a `--disable-promotion` to disable all modification to the source
  directory. There's also a corresponding `DUNE_DISABLE_PROMOTION` environment
  variable. (ocaml/dune#2588, fix ocaml/dune#2568, @rgrinberg)

- Add a `forbidden_libraries` field to prevent some library from being
  linked in an executable. This help detecting who accidently pulls in
  `unix` for instance (ocaml/dune#2570, @diml)

- Fix incorrect error message when a variable is expanded in static context:
  `%{lib:lib:..}` when the library does not exist. (ocaml/dune#2597, fix ocaml/dune#1541,
  @rgrinberg)

- Add `--sections` option to `$ dune install` to install subsections of .install
  files. This is useful for installing only the binaries in a workspace for
  example. (ocaml/dune#2609, fixes ocaml/dune#2554, @rgrinberg)

- Drop support for `jbuild` and `jbuild-ignore` files (ocaml/dune#2607, @diml)

- Add a `dune-action-plugin` library for describing dependencies direcly in
  the executable source. Programs that use this feature can be run by a new
  action (dynamic-run <progn> ...). (ocaml/dune#2635, @staronj, @aalekseyev)

- Stop installing the `ocaml-syntax-shims` binary. In order to use
  `future_syntax`, one now need to depend on the `ocaml-syntax-shims`
  package (ocaml/dune#2654, @diml)

- Add support for dependencies that are re-exported. Such dependencies
  are marked with`re_export` and will automatically be provided to
  users of a library (ocaml/dune#2605, @rgrinberg)

- Add a `deprecated_library_name` stanza to redirect old names after a
  library has been renamed (ocaml/dune#2528, @diml)

- Error out when a `preprocessor_deps` field is present but not
  `preprocess` field is. It is a warning with Dune 1.x projects
  (ocaml/dune#2660, @Julow)

- Dune will use `-output-complete-exe` instead of `-custom` when compiling
  self-contained bytecode executables whenever this options is available
  (OCaml version >= 4.10) (ocaml/dune#2692, @nojb)

- Add action `(with-accepted-exit-codes <pred> <action>)` to specify the set of
  successful exit codes of `<action>`. `<pred>` is specified using the predicate
  language. (ocaml/dune#2699, @nojb)

- Do not setup rules for disabled libraries (ocaml/dune#2491, fixes ocaml/dune#2272, @bobot)

- Configurator: filter out empty flags from `pkg-config` (ocaml/dune#2716, @AltGr)

- `no_keep_locs` is a no-op for projects that use `lang dune` older than 2.0. In
  projects where the language is at least `2.0`, the field is now forbidden.
  (ocaml/dune#2752, fixes ocaml/dune#2747, @rgrinberg)

- Extend support for foreign sources and archives via the `(foreign_library ...)`
  stanza as well as the `(foreign_stubs ...)` and `(foreign_archives ...)` fields.
  (ocaml/dune#2659, RFC ocaml/dune#2650, @snowleopard)

- Add (deprecated_package_names) field to (package) declaration in
  dune-project. The names declared here can be used in the (old_public_name)
  field of (deprecated_library_name) stanza. These names are interpreted as
  library names (not prefixed by a package name) and appropiate redirections are
  setup in their META files. This feaure is meant to migrate old libraries which
  do not follow Dune's convention of prefixing libraries with the package
  name. (ocaml/dune#2696, @nojb)

- The fields `license`, `authors`, `maintainers`, `source`, `bug_reports`,
  `homepage`, and `documentation` of `dune-project` can now be overriden on a
  per-package basis. (ocaml/dune#2774, @nojb)
rgrinberg added a commit to rgrinberg/opam-repository that referenced this pull request Oct 31, 2019
@rgrinberg
[new release] dune-build-info, dune, dune-configurator, dune-action-p…
5a591dc 
…lugin, dune-private-libs and dune-glob (2.0.0+draft1)

CHANGES:

- Introduce `alias` and `package` fields to the `rule` stanza. This is the
  preferred way of attaching rules to aliases. (ocaml/dune#2744, @rgrinberg)

- Add field `(optional)` for executable stanzas (ocaml/dune#2463, fixes ocaml/dune#2433, @bobot)

- Infer targets for rule stanzas expressed in long form (ocaml/dune#2494, fixes ocaml/dune#2469,
  @NathanReb)

- Indicate the progress of the initial file tree loading (ocaml/dune#2459, fixes ocaml/dune#2374,
  @bobot)

- Build `.cm[ox]` files for executables more eagerly. This speeds up builds at
  the cost of building unnecessary artifacts in some cases. Some of these extra
  artifacts can fail to built, so this is a breaking change. (ocaml/dune#2268, @rgrinberg)

- Do not put the `<package>.install` files in the source tree unless `-p` or
  `--promote-install-files` is passed on the command line (ocaml/dune#2329, @diml)

- Change `implicit_transive_deps` to be false. Implicit transitive deps now must
  be manually enabled (ocaml/dune#2306, @rgrinberg)

- Compilation units of user defined executables are now mangled by default. This
  is done to prevent the accidental collision with library dependencies of the
  executable. (ocaml/dune#2364, fixes ocaml/dune#2292, @rgrinberg)

- Enable `(explicit_js_mode)` by default. (ocaml/dune#1941, @nojb)

- Add an option to clear the console in-between builds with
 `--terminal-persistence=clear-on-rebuild`

- Stop symlinking object files to main directory for stanzas defined `jbuild`
  files (ocaml/dune#2440, @rgrinberg)

- Library names are now validated in a strict fashion. Previously, invalid names
  would be allowed for unwrapped libraries (ocaml/dune#2442, @rgrinberg)

- mli only modules must now be explicitly declared. This was previously a
  warning and is now an error. (ocaml/dune#2442, @rgrinberg)

- Modules filtered out from the module list via the Ordered Set Language must
  now be actual modules. (ocaml/dune#2442, @rgrinberg)

- Actions which introduce targets where new targets are forbidden (e.g.
  preprocessing) are now an error instead of a warning. (ocaml/dune#2442, @rgrinberg)

- No longer install a `jbuilder` binary. (ocaml/dune#2441, @diml)

- Stub names are no longer allowed relative paths. This was previously a warning
  and is now an error (ocaml/dune#2443, @rgrinberg).

- Define (paths ...) fields in (context ...) definitions in order to set or
  extend any PATH-like variable in the context environment. (ocaml/dune#2426, @nojb)

- The `diff` action will always normalize newlines before diffing. Perviousy, it
  would not do this normalization for rules defined in jbuild files. (ocaml/dune#2457,
  @rgrinberg)

- Modules may no longer belong to more than one stanza. This was previously
  allowed only in stanzas defined in `jbuild` files. (ocaml/dune#2458, @rgrinberg)

- Remove support for `jbuild-ignore` files. They have been replaced by the the
  `dirs` stanza in `dune` files. (ocaml/dune#2456, @rgrinberg)

- Add a new config option `sandboxing_preference`, the cli argument `--sandbox`,
  and the dep spec `sandbox` in dune language. These let the user control the level of
  sandboxing done by dune per rule and globally. The rule specification takes precedence.
  The global configuration merely specifies the default.
  (ocaml/dune#2213, @aalekseyev, @diml)

- Remove support for old style subsystems. Dune will now emit a warning to
  reinstall the library with the old style subsystem. (ocaml/dune#2480, @rgrinberg)

- Add action (with-stdin-from <file> <action>) to redirect input from <file>
  when performing <action>. (ocaml/dune#2487, @nojb)

- Change the automatically generated odoc index to only list public modules.
  This only affects unwrapped libraries (ocaml/dune#2479, @rgrinberg)

- Set up formatting rules by default. They can be configured through a new
  `(formatting)` stanza in `dune-project` (ocaml/dune#2347, fixes ocaml/dune#2315, @emillon)

- Change default target from `@install` to `@all`. (ocaml/dune#2449, fixes ocaml/dune#1220,
  @rgrinberg)

- Include building stubs in `@check` rules. (@rgrinberg, ocaml/dune#2530)

- Get rid of ad-hoc rules for guessing the version. Dune now only
  relies on the version written in the `dune-project` file and no
  longer read `VERSION` or similar files (ocaml/dune#2541, @diml)

- In `(diff? x y)` action, require `x` to exist and register a
  dependency on that file. (ocaml/dune#2486, @aalekseyev)

- On Windows, an .exe suffix is no longer added implicitly to binary names that
  already end in .exe. Second, when resolving binary names, .opt variants are no
  longer chosen automatically. (ocaml/dune#2543, @nojb)

- Make `(diff? x y)` move the correction file (`y`) away from the build
  directory to promotion staging area. This makes corrections work with
  sandboxing and in general reduces build directory pollution. (ocaml/dune#2486,
  @aalekseyev, fixes ocaml/dune#2482)

- `c_flags`, `c_names` and `cxx_names` are now supported in `executable`
  and `executables` stanzas. (ocaml/dune#2562, @nojb)
  Note: this feature has been subsequently extended into a separate
  `foreign_stubs` field. (ocaml/dune#2659, RFC ocaml/dune#2650, @snowleopard)

- Remove git integration from `$ dune upgrade` (ocaml/dune#2565, @rgrinberg)

- Add a `--disable-promotion` to disable all modification to the source
  directory. There's also a corresponding `DUNE_DISABLE_PROMOTION` environment
  variable. (ocaml/dune#2588, fix ocaml/dune#2568, @rgrinberg)

- Add a `forbidden_libraries` field to prevent some library from being
  linked in an executable. This help detecting who accidently pulls in
  `unix` for instance (ocaml/dune#2570, @diml)

- Fix incorrect error message when a variable is expanded in static context:
  `%{lib:lib:..}` when the library does not exist. (ocaml/dune#2597, fix ocaml/dune#1541,
  @rgrinberg)

- Add `--sections` option to `$ dune install` to install subsections of .install
  files. This is useful for installing only the binaries in a workspace for
  example. (ocaml/dune#2609, fixes ocaml/dune#2554, @rgrinberg)

- Drop support for `jbuild` and `jbuild-ignore` files (ocaml/dune#2607, @diml)

- Add a `dune-action-plugin` library for describing dependencies direcly in
  the executable source. Programs that use this feature can be run by a new
  action (dynamic-run <progn> ...). (ocaml/dune#2635, @staronj, @aalekseyev)

- Stop installing the `ocaml-syntax-shims` binary. In order to use
  `future_syntax`, one now need to depend on the `ocaml-syntax-shims`
  package (ocaml/dune#2654, @diml)

- Add support for dependencies that are re-exported. Such dependencies
  are marked with`re_export` and will automatically be provided to
  users of a library (ocaml/dune#2605, @rgrinberg)

- Add a `deprecated_library_name` stanza to redirect old names after a
  library has been renamed (ocaml/dune#2528, @diml)

- Error out when a `preprocessor_deps` field is present but not
  `preprocess` field is. It is a warning with Dune 1.x projects
  (ocaml/dune#2660, @Julow)

- Dune will use `-output-complete-exe` instead of `-custom` when compiling
  self-contained bytecode executables whenever this options is available
  (OCaml version >= 4.10) (ocaml/dune#2692, @nojb)

- Add action `(with-accepted-exit-codes <pred> <action>)` to specify the set of
  successful exit codes of `<action>`. `<pred>` is specified using the predicate
  language. (ocaml/dune#2699, @nojb)

- Do not setup rules for disabled libraries (ocaml/dune#2491, fixes ocaml/dune#2272, @bobot)

- Configurator: filter out empty flags from `pkg-config` (ocaml/dune#2716, @AltGr)

- `no_keep_locs` is a no-op for projects that use `lang dune` older than 2.0. In
  projects where the language is at least `2.0`, the field is now forbidden.
  (ocaml/dune#2752, fixes ocaml/dune#2747, @rgrinberg)

- Extend support for foreign sources and archives via the `(foreign_library ...)`
  stanza as well as the `(foreign_stubs ...)` and `(foreign_archives ...)` fields.
  (ocaml/dune#2659, RFC ocaml/dune#2650, @snowleopard)

- Add (deprecated_package_names) field to (package) declaration in
  dune-project. The names declared here can be used in the (old_public_name)
  field of (deprecated_library_name) stanza. These names are interpreted as
  library names (not prefixed by a package name) and appropiate redirections are
  setup in their META files. This feaure is meant to migrate old libraries which
  do not follow Dune's convention of prefixing libraries with the package
  name. (ocaml/dune#2696, @nojb)

- The fields `license`, `authors`, `maintainers`, `source`, `bug_reports`,
  `homepage`, and `documentation` of `dune-project` can now be overriden on a
  per-package basis. (ocaml/dune#2774, @nojb)
rgrinberg added a commit to rgrinberg/opam-repository that referenced this pull request Oct 31, 2019
@rgrinberg
[new release] dune-build-info, dune, dune-configurator, dune-action-p…
f8bd086 
…lugin, dune-private-libs and dune-glob (2.0.0+draft1)

CHANGES:

- Introduce `alias` and `package` fields to the `rule` stanza. This is the
  preferred way of attaching rules to aliases. (ocaml/dune#2744, @rgrinberg)

- Add field `(optional)` for executable stanzas (ocaml/dune#2463, fixes ocaml/dune#2433, @bobot)

- Infer targets for rule stanzas expressed in long form (ocaml/dune#2494, fixes ocaml/dune#2469,
  @NathanReb)

- Indicate the progress of the initial file tree loading (ocaml/dune#2459, fixes ocaml/dune#2374,
  @bobot)

- Build `.cm[ox]` files for executables more eagerly. This speeds up builds at
  the cost of building unnecessary artifacts in some cases. Some of these extra
  artifacts can fail to built, so this is a breaking change. (ocaml/dune#2268, @rgrinberg)

- Do not put the `<package>.install` files in the source tree unless `-p` or
  `--promote-install-files` is passed on the command line (ocaml/dune#2329, @diml)

- Change `implicit_transive_deps` to be false. Implicit transitive deps now must
  be manually enabled (ocaml/dune#2306, @rgrinberg)

- Compilation units of user defined executables are now mangled by default. This
  is done to prevent the accidental collision with library dependencies of the
  executable. (ocaml/dune#2364, fixes ocaml/dune#2292, @rgrinberg)

- Enable `(explicit_js_mode)` by default. (ocaml/dune#1941, @nojb)

- Add an option to clear the console in-between builds with
 `--terminal-persistence=clear-on-rebuild`

- Stop symlinking object files to main directory for stanzas defined `jbuild`
  files (ocaml/dune#2440, @rgrinberg)

- Library names are now validated in a strict fashion. Previously, invalid names
  would be allowed for unwrapped libraries (ocaml/dune#2442, @rgrinberg)

- mli only modules must now be explicitly declared. This was previously a
  warning and is now an error. (ocaml/dune#2442, @rgrinberg)

- Modules filtered out from the module list via the Ordered Set Language must
  now be actual modules. (ocaml/dune#2442, @rgrinberg)

- Actions which introduce targets where new targets are forbidden (e.g.
  preprocessing) are now an error instead of a warning. (ocaml/dune#2442, @rgrinberg)

- No longer install a `jbuilder` binary. (ocaml/dune#2441, @diml)

- Stub names are no longer allowed relative paths. This was previously a warning
  and is now an error (ocaml/dune#2443, @rgrinberg).

- Define (paths ...) fields in (context ...) definitions in order to set or
  extend any PATH-like variable in the context environment. (ocaml/dune#2426, @nojb)

- The `diff` action will always normalize newlines before diffing. Perviousy, it
  would not do this normalization for rules defined in jbuild files. (ocaml/dune#2457,
  @rgrinberg)

- Modules may no longer belong to more than one stanza. This was previously
  allowed only in stanzas defined in `jbuild` files. (ocaml/dune#2458, @rgrinberg)

- Remove support for `jbuild-ignore` files. They have been replaced by the the
  `dirs` stanza in `dune` files. (ocaml/dune#2456, @rgrinberg)

- Add a new config option `sandboxing_preference`, the cli argument `--sandbox`,
  and the dep spec `sandbox` in dune language. These let the user control the level of
  sandboxing done by dune per rule and globally. The rule specification takes precedence.
  The global configuration merely specifies the default.
  (ocaml/dune#2213, @aalekseyev, @diml)

- Remove support for old style subsystems. Dune will now emit a warning to
  reinstall the library with the old style subsystem. (ocaml/dune#2480, @rgrinberg)

- Add action (with-stdin-from <file> <action>) to redirect input from <file>
  when performing <action>. (ocaml/dune#2487, @nojb)

- Change the automatically generated odoc index to only list public modules.
  This only affects unwrapped libraries (ocaml/dune#2479, @rgrinberg)

- Set up formatting rules by default. They can be configured through a new
  `(formatting)` stanza in `dune-project` (ocaml/dune#2347, fixes ocaml/dune#2315, @emillon)

- Change default target from `@install` to `@all`. (ocaml/dune#2449, fixes ocaml/dune#1220,
  @rgrinberg)

- Include building stubs in `@check` rules. (@rgrinberg, ocaml/dune#2530)

- Get rid of ad-hoc rules for guessing the version. Dune now only
  relies on the version written in the `dune-project` file and no
  longer read `VERSION` or similar files (ocaml/dune#2541, @diml)

- In `(diff? x y)` action, require `x` to exist and register a
  dependency on that file. (ocaml/dune#2486, @aalekseyev)

- On Windows, an .exe suffix is no longer added implicitly to binary names that
  already end in .exe. Second, when resolving binary names, .opt variants are no
  longer chosen automatically. (ocaml/dune#2543, @nojb)

- Make `(diff? x y)` move the correction file (`y`) away from the build
  directory to promotion staging area. This makes corrections work with
  sandboxing and in general reduces build directory pollution. (ocaml/dune#2486,
  @aalekseyev, fixes ocaml/dune#2482)

- `c_flags`, `c_names` and `cxx_names` are now supported in `executable`
  and `executables` stanzas. (ocaml/dune#2562, @nojb)
  Note: this feature has been subsequently extended into a separate
  `foreign_stubs` field. (ocaml/dune#2659, RFC ocaml/dune#2650, @snowleopard)

- Remove git integration from `$ dune upgrade` (ocaml/dune#2565, @rgrinberg)

- Add a `--disable-promotion` to disable all modification to the source
  directory. There's also a corresponding `DUNE_DISABLE_PROMOTION` environment
  variable. (ocaml/dune#2588, fix ocaml/dune#2568, @rgrinberg)

- Add a `forbidden_libraries` field to prevent some library from being
  linked in an executable. This help detecting who accidently pulls in
  `unix` for instance (ocaml/dune#2570, @diml)

- Fix incorrect error message when a variable is expanded in static context:
  `%{lib:lib:..}` when the library does not exist. (ocaml/dune#2597, fix ocaml/dune#1541,
  @rgrinberg)

- Add `--sections` option to `$ dune install` to install subsections of .install
  files. This is useful for installing only the binaries in a workspace for
  example. (ocaml/dune#2609, fixes ocaml/dune#2554, @rgrinberg)

- Drop support for `jbuild` and `jbuild-ignore` files (ocaml/dune#2607, @diml)

- Add a `dune-action-plugin` library for describing dependencies direcly in
  the executable source. Programs that use this feature can be run by a new
  action (dynamic-run <progn> ...). (ocaml/dune#2635, @staronj, @aalekseyev)

- Stop installing the `ocaml-syntax-shims` binary. In order to use
  `future_syntax`, one now need to depend on the `ocaml-syntax-shims`
  package (ocaml/dune#2654, @diml)

- Add support for dependencies that are re-exported. Such dependencies
  are marked with`re_export` and will automatically be provided to
  users of a library (ocaml/dune#2605, @rgrinberg)

- Add a `deprecated_library_name` stanza to redirect old names after a
  library has been renamed (ocaml/dune#2528, @diml)

- Error out when a `preprocessor_deps` field is present but not
  `preprocess` field is. It is a warning with Dune 1.x projects
  (ocaml/dune#2660, @Julow)

- Dune will use `-output-complete-exe` instead of `-custom` when compiling
  self-contained bytecode executables whenever this options is available
  (OCaml version >= 4.10) (ocaml/dune#2692, @nojb)

- Add action `(with-accepted-exit-codes <pred> <action>)` to specify the set of
  successful exit codes of `<action>`. `<pred>` is specified using the predicate
  language. (ocaml/dune#2699, @nojb)

- Do not setup rules for disabled libraries (ocaml/dune#2491, fixes ocaml/dune#2272, @bobot)

- Configurator: filter out empty flags from `pkg-config` (ocaml/dune#2716, @AltGr)

- `no_keep_locs` is a no-op for projects that use `lang dune` older than 2.0. In
  projects where the language is at least `2.0`, the field is now forbidden.
  (ocaml/dune#2752, fixes ocaml/dune#2747, @rgrinberg)

- Extend support for foreign sources and archives via the `(foreign_library ...)`
  stanza as well as the `(foreign_stubs ...)` and `(foreign_archives ...)` fields.
  (ocaml/dune#2659, RFC ocaml/dune#2650, @snowleopard)

- Add (deprecated_package_names) field to (package) declaration in
  dune-project. The names declared here can be used in the (old_public_name)
  field of (deprecated_library_name) stanza. These names are interpreted as
  library names (not prefixed by a package name) and appropiate redirections are
  setup in their META files. This feaure is meant to migrate old libraries which
  do not follow Dune's convention of prefixing libraries with the package
  name. (ocaml/dune#2696, @nojb)

- The fields `license`, `authors`, `maintainers`, `source`, `bug_reports`,
  `homepage`, and `documentation` of `dune-project` can now be overriden on a
  per-package basis. (ocaml/dune#2774, @nojb)
@rgrinberg rgrinberg mentioned this pull request Oct 31, 2019
Closed
@rgrinberg rgrinberg mentioned this pull request Nov 12, 2019
Closed
rgrinberg added a commit to rgrinberg/opam-repository that referenced this pull request Nov 12, 2019
@rgrinberg
[new release] dune-build-info, dune, dune-configurator, dune-action-p…
f7fd561 
…lugin, dune-private-libs and dune-glob (2.0.0+draft2)

CHANGES:

- The `action` field in the `alias` stanza is not available starting `lang dune
  2.0`. The `alias` field in the `rule` stanza is a replacement. (ocaml/dune#2846, fixes
  2681, @rgrinberg)

- Introduce `alias` and `package` fields to the `rule` stanza. This is the
  preferred way of attaching rules to aliases. (ocaml/dune#2744, @rgrinberg)

- Add field `(optional)` for executable stanzas (ocaml/dune#2463, fixes ocaml/dune#2433, @bobot)

- Infer targets for rule stanzas expressed in long form (ocaml/dune#2494, fixes ocaml/dune#2469,
  @NathanReb)

- Indicate the progress of the initial file tree loading (ocaml/dune#2459, fixes ocaml/dune#2374,
  @bobot)

- Build `.cm[ox]` files for executables more eagerly. This speeds up builds at
  the cost of building unnecessary artifacts in some cases. Some of these extra
  artifacts can fail to built, so this is a breaking change. (ocaml/dune#2268, @rgrinberg)

- Do not put the `<package>.install` files in the source tree unless `-p` or
  `--promote-install-files` is passed on the command line (ocaml/dune#2329, @diml)

- Change `implicit_transive_deps` to be false. Implicit transitive deps now must
  be manually enabled (ocaml/dune#2306, @rgrinberg)

- Compilation units of user defined executables are now mangled by default. This
  is done to prevent the accidental collision with library dependencies of the
  executable. (ocaml/dune#2364, fixes ocaml/dune#2292, @rgrinberg)

- Enable `(explicit_js_mode)` by default. (ocaml/dune#1941, @nojb)

- Add an option to clear the console in-between builds with
 `--terminal-persistence=clear-on-rebuild`

- Stop symlinking object files to main directory for stanzas defined `jbuild`
  files (ocaml/dune#2440, @rgrinberg)

- Library names are now validated in a strict fashion. Previously, invalid names
  would be allowed for unwrapped libraries (ocaml/dune#2442, @rgrinberg)

- mli only modules must now be explicitly declared. This was previously a
  warning and is now an error. (ocaml/dune#2442, @rgrinberg)

- Modules filtered out from the module list via the Ordered Set Language must
  now be actual modules. (ocaml/dune#2442, @rgrinberg)

- Actions which introduce targets where new targets are forbidden (e.g.
  preprocessing) are now an error instead of a warning. (ocaml/dune#2442, @rgrinberg)

- No longer install a `jbuilder` binary. (ocaml/dune#2441, @diml)

- Stub names are no longer allowed relative paths. This was previously a warning
  and is now an error (ocaml/dune#2443, @rgrinberg).

- Define (paths ...) fields in (context ...) definitions in order to set or
  extend any PATH-like variable in the context environment. (ocaml/dune#2426, @nojb)

- The `diff` action will always normalize newlines before diffing. Perviousy, it
  would not do this normalization for rules defined in jbuild files. (ocaml/dune#2457,
  @rgrinberg)

- Modules may no longer belong to more than one stanza. This was previously
  allowed only in stanzas defined in `jbuild` files. (ocaml/dune#2458, @rgrinberg)

- Remove support for `jbuild-ignore` files. They have been replaced by the the
  `dirs` stanza in `dune` files. (ocaml/dune#2456, @rgrinberg)

- Add a new config option `sandboxing_preference`, the cli argument `--sandbox`,
  and the dep spec `sandbox` in dune language. These let the user control the level of
  sandboxing done by dune per rule and globally. The rule specification takes precedence.
  The global configuration merely specifies the default.
  (ocaml/dune#2213, @aalekseyev, @diml)

- Remove support for old style subsystems. Dune will now emit a warning to
  reinstall the library with the old style subsystem. (ocaml/dune#2480, @rgrinberg)

- Add action (with-stdin-from <file> <action>) to redirect input from <file>
  when performing <action>. (ocaml/dune#2487, @nojb)

- Change the automatically generated odoc index to only list public modules.
  This only affects unwrapped libraries (ocaml/dune#2479, @rgrinberg)

- Set up formatting rules by default. They can be configured through a new
  `(formatting)` stanza in `dune-project` (ocaml/dune#2347, fixes ocaml/dune#2315, @emillon)

- Change default target from `@install` to `@all`. (ocaml/dune#2449, fixes ocaml/dune#1220,
  @rgrinberg)

- Include building stubs in `@check` rules. (@rgrinberg, ocaml/dune#2530)

- Get rid of ad-hoc rules for guessing the version. Dune now only
  relies on the version written in the `dune-project` file and no
  longer read `VERSION` or similar files (ocaml/dune#2541, @diml)

- In `(diff? x y)` action, require `x` to exist and register a
  dependency on that file. (ocaml/dune#2486, @aalekseyev)

- On Windows, an .exe suffix is no longer added implicitly to binary names that
  already end in .exe. Second, when resolving binary names, .opt variants are no
  longer chosen automatically. (ocaml/dune#2543, @nojb)

- Make `(diff? x y)` move the correction file (`y`) away from the build
  directory to promotion staging area. This makes corrections work with
  sandboxing and in general reduces build directory pollution. (ocaml/dune#2486,
  @aalekseyev, fixes ocaml/dune#2482)

- `c_flags`, `c_names` and `cxx_names` are now supported in `executable`
  and `executables` stanzas. (ocaml/dune#2562, @nojb)
  Note: this feature has been subsequently extended into a separate
  `foreign_stubs` field. (ocaml/dune#2659, RFC ocaml/dune#2650, @snowleopard)

- Remove git integration from `$ dune upgrade` (ocaml/dune#2565, @rgrinberg)

- Add a `--disable-promotion` to disable all modification to the source
  directory. There's also a corresponding `DUNE_DISABLE_PROMOTION` environment
  variable. (ocaml/dune#2588, fix ocaml/dune#2568, @rgrinberg)

- Add a `forbidden_libraries` field to prevent some library from being
  linked in an executable. This help detecting who accidently pulls in
  `unix` for instance (ocaml/dune#2570, @diml)

- Fix incorrect error message when a variable is expanded in static context:
  `%{lib:lib:..}` when the library does not exist. (ocaml/dune#2597, fix ocaml/dune#1541,
  @rgrinberg)

- Add `--sections` option to `$ dune install` to install subsections of .install
  files. This is useful for installing only the binaries in a workspace for
  example. (ocaml/dune#2609, fixes ocaml/dune#2554, @rgrinberg)

- Drop support for `jbuild` and `jbuild-ignore` files (ocaml/dune#2607, @diml)

- Add a `dune-action-plugin` library for describing dependencies direcly in
  the executable source. Programs that use this feature can be run by a new
  action (dynamic-run <progn> ...). (ocaml/dune#2635, @staronj, @aalekseyev)

- Stop installing the `ocaml-syntax-shims` binary. In order to use
  `future_syntax`, one now need to depend on the `ocaml-syntax-shims`
  package (ocaml/dune#2654, @diml)

- Add support for dependencies that are re-exported. Such dependencies
  are marked with`re_export` and will automatically be provided to
  users of a library (ocaml/dune#2605, @rgrinberg)

- Add a `deprecated_library_name` stanza to redirect old names after a
  library has been renamed (ocaml/dune#2528, @diml)

- Error out when a `preprocessor_deps` field is present but not
  `preprocess` field is. It is a warning with Dune 1.x projects
  (ocaml/dune#2660, @Julow)

- Dune will use `-output-complete-exe` instead of `-custom` when compiling
  self-contained bytecode executables whenever this options is available
  (OCaml version >= 4.10) (ocaml/dune#2692, @nojb)

- Add action `(with-accepted-exit-codes <pred> <action>)` to specify the set of
  successful exit codes of `<action>`. `<pred>` is specified using the predicate
  language. (ocaml/dune#2699, @nojb)

- Do not setup rules for disabled libraries (ocaml/dune#2491, fixes ocaml/dune#2272, @bobot)

- Configurator: filter out empty flags from `pkg-config` (ocaml/dune#2716, @AltGr)

- `no_keep_locs` is a no-op for projects that use `lang dune` older than 2.0. In
  projects where the language is at least `2.0`, the field is now forbidden.
  (ocaml/dune#2752, fixes ocaml/dune#2747, @rgrinberg)

- Extend support for foreign sources and archives via the `(foreign_library ...)`
  stanza as well as the `(foreign_stubs ...)` and `(foreign_archives ...)` fields.
  (ocaml/dune#2659, RFC ocaml/dune#2650, @snowleopard)

- Add (deprecated_package_names) field to (package) declaration in
  dune-project. The names declared here can be used in the (old_public_name)
  field of (deprecated_library_name) stanza. These names are interpreted as
  library names (not prefixed by a package name) and appropiate redirections are
  setup in their META files. This feaure is meant to migrate old libraries which
  do not follow Dune's convention of prefixing libraries with the package
  name. (ocaml/dune#2696, @nojb)

- The fields `license`, `authors`, `maintainers`, `source`, `bug_reports`,
  `homepage`, and `documentation` of `dune-project` can now be overriden on a
  per-package basis. (ocaml/dune#2774, @nojb)

- Change the default `modes` field of executables to `(mode exe)`. If
  one wants to build a bytecode program, it now needs to be explicitly
  requested via `(modes byte exe)`. (ocaml/dune#2851, @diml)

- Allow `ccomp_type` as a variable for evaluating `enabled_if`. (ocaml/dune#2855, @dra27,
  @rgrinberg)

- Stricter validation of file names in `select`. The file names of conditional
  sources must match the prefix and the extension of the resultant filename.
  (ocaml/dune#2867, @rgrinberg)

- Add flag `disable_dynamically_linked_foreign_archives` to the workspace file.
  If the flag is set to `true` then: (i) when installing libraries, we do not
  install dynamic foreign archives `dll*.so`; (ii) when building executables in
  the `byte` mode, we statically link in foreign archives into the runtime
  system; (iii) we do not generate any `dll*.so` rules. (ocaml/dune#2864, @snowleopard)

- Reimplement the bootstrap procedure. The new procedure is faster and
  should no longer stack overflow (ocaml/dune#2854, @dra27, @diml)
rgrinberg added a commit to rgrinberg/opam-repository that referenced this pull request Nov 20, 2019
@rgrinberg
[new release] dune-build-info, dune, dune-configurator, dune-action-p…
72b4304 
…lugin, dune-private-libs and dune-glob (2.0.0)

CHANGES:

- Remove existing destination files in `install`  before installing the new
  ones. (ocaml/dune#2885, fixes ocaml/dune#2883, @bschommer)

- The `action` field in the `alias` stanza is not available starting `lang dune
  2.0`. The `alias` field in the `rule` stanza is a replacement. (ocaml/dune#2846, fixes
  2681, @rgrinberg)

- Introduce `alias` and `package` fields to the `rule` stanza. This is the
  preferred way of attaching rules to aliases. (ocaml/dune#2744, @rgrinberg)

- Add field `(optional)` for executable stanzas (ocaml/dune#2463, fixes ocaml/dune#2433, @bobot)

- Infer targets for rule stanzas expressed in long form (ocaml/dune#2494, fixes ocaml/dune#2469,
  @NathanReb)

- Indicate the progress of the initial file tree loading (ocaml/dune#2459, fixes ocaml/dune#2374,
  @bobot)

- Build `.cm[ox]` files for executables more eagerly. This speeds up builds at
  the cost of building unnecessary artifacts in some cases. Some of these extra
  artifacts can fail to built, so this is a breaking change. (ocaml/dune#2268, @rgrinberg)

- Do not put the `<package>.install` files in the source tree unless `-p` or
  `--promote-install-files` is passed on the command line (ocaml/dune#2329, @diml)

- Compilation units of user defined executables are now mangled by default. This
  is done to prevent the accidental collision with library dependencies of the
  executable. (ocaml/dune#2364, fixes ocaml/dune#2292, @rgrinberg)

- Enable `(explicit_js_mode)` by default. (ocaml/dune#1941, @nojb)

- Add an option to clear the console in-between builds with
 `--terminal-persistence=clear-on-rebuild`

- Stop symlinking object files to main directory for stanzas defined `jbuild`
  files (ocaml/dune#2440, @rgrinberg)

- Library names are now validated in a strict fashion. Previously, invalid names
  would be allowed for unwrapped libraries (ocaml/dune#2442, @rgrinberg)

- mli only modules must now be explicitly declared. This was previously a
  warning and is now an error. (ocaml/dune#2442, @rgrinberg)

- Modules filtered out from the module list via the Ordered Set Language must
  now be actual modules. (ocaml/dune#2442, @rgrinberg)

- Actions which introduce targets where new targets are forbidden (e.g.
  preprocessing) are now an error instead of a warning. (ocaml/dune#2442, @rgrinberg)

- No longer install a `jbuilder` binary. (ocaml/dune#2441, @diml)

- Stub names are no longer allowed relative paths. This was previously a warning
  and is now an error (ocaml/dune#2443, @rgrinberg).

- Define (paths ...) fields in (context ...) definitions in order to set or
  extend any PATH-like variable in the context environment. (ocaml/dune#2426, @nojb)

- The `diff` action will always normalize newlines before diffing. Perviousy, it
  would not do this normalization for rules defined in jbuild files. (ocaml/dune#2457,
  @rgrinberg)

- Modules may no longer belong to more than one stanza. This was previously
  allowed only in stanzas defined in `jbuild` files. (ocaml/dune#2458, @rgrinberg)

- Remove support for `jbuild-ignore` files. They have been replaced by the the
  `dirs` stanza in `dune` files. (ocaml/dune#2456, @rgrinberg)

- Add a new config option `sandboxing_preference`, the cli argument `--sandbox`,
  and the dep spec `sandbox` in dune language. These let the user control the level of
  sandboxing done by dune per rule and globally. The rule specification takes precedence.
  The global configuration merely specifies the default.
  (ocaml/dune#2213, @aalekseyev, @diml)

- Remove support for old style subsystems. Dune will now emit a warning to
  reinstall the library with the old style subsystem. (ocaml/dune#2480, @rgrinberg)

- Add action (with-stdin-from <file> <action>) to redirect input from <file>
  when performing <action>. (ocaml/dune#2487, @nojb)

- Change the automatically generated odoc index to only list public modules.
  This only affects unwrapped libraries (ocaml/dune#2479, @rgrinberg)

- Set up formatting rules by default. They can be configured through a new
  `(formatting)` stanza in `dune-project` (ocaml/dune#2347, fixes ocaml/dune#2315, @emillon)

- Change default target from `@install` to `@all`. (ocaml/dune#2449, fixes ocaml/dune#1220,
  @rgrinberg)

- Include building stubs in `@check` rules. (@rgrinberg, ocaml/dune#2530)

- Get rid of ad-hoc rules for guessing the version. Dune now only
  relies on the version written in the `dune-project` file and no
  longer read `VERSION` or similar files (ocaml/dune#2541, @diml)

- In `(diff? x y)` action, require `x` to exist and register a
  dependency on that file. (ocaml/dune#2486, @aalekseyev)

- On Windows, an .exe suffix is no longer added implicitly to binary names that
  already end in .exe. Second, when resolving binary names, .opt variants are no
  longer chosen automatically. (ocaml/dune#2543, @nojb)

- Make `(diff? x y)` move the correction file (`y`) away from the build
  directory to promotion staging area. This makes corrections work with
  sandboxing and in general reduces build directory pollution. (ocaml/dune#2486,
  @aalekseyev, fixes ocaml/dune#2482)

- `c_flags`, `c_names` and `cxx_names` are now supported in `executable`
  and `executables` stanzas. (ocaml/dune#2562, @nojb)
  Note: this feature has been subsequently extended into a separate
  `foreign_stubs` field. (ocaml/dune#2659, RFC ocaml/dune#2650, @snowleopard)

- Remove git integration from `$ dune upgrade` (ocaml/dune#2565, @rgrinberg)

- Add a `--disable-promotion` to disable all modification to the source
  directory. There's also a corresponding `DUNE_DISABLE_PROMOTION` environment
  variable. (ocaml/dune#2588, fix ocaml/dune#2568, @rgrinberg)

- Add a `forbidden_libraries` field to prevent some library from being
  linked in an executable. This help detecting who accidently pulls in
  `unix` for instance (ocaml/dune#2570, @diml)

- Fix incorrect error message when a variable is expanded in static context:
  `%{lib:lib:..}` when the library does not exist. (ocaml/dune#2597, fix ocaml/dune#1541,
  @rgrinberg)

- Add `--sections` option to `$ dune install` to install subsections of .install
  files. This is useful for installing only the binaries in a workspace for
  example. (ocaml/dune#2609, fixes ocaml/dune#2554, @rgrinberg)

- Drop support for `jbuild` and `jbuild-ignore` files (ocaml/dune#2607, @diml)

- Add a `dune-action-plugin` library for describing dependencies direcly in
  the executable source. Programs that use this feature can be run by a new
  action (dynamic-run <progn> ...). (ocaml/dune#2635, @staronj, @aalekseyev)

- Stop installing the `ocaml-syntax-shims` binary. In order to use
  `future_syntax`, one now need to depend on the `ocaml-syntax-shims`
  package (ocaml/dune#2654, @diml)

- Add support for dependencies that are re-exported. Such dependencies
  are marked with`re_export` and will automatically be provided to
  users of a library (ocaml/dune#2605, @rgrinberg)

- Add a `deprecated_library_name` stanza to redirect old names after a
  library has been renamed (ocaml/dune#2528, @diml)

- Error out when a `preprocessor_deps` field is present but not
  `preprocess` field is. It is a warning with Dune 1.x projects
  (ocaml/dune#2660, @Julow)

- Dune will use `-output-complete-exe` instead of `-custom` when compiling
  self-contained bytecode executables whenever this options is available
  (OCaml version >= 4.10) (ocaml/dune#2692, @nojb)

- Add action `(with-accepted-exit-codes <pred> <action>)` to specify the set of
  successful exit codes of `<action>`. `<pred>` is specified using the predicate
  language. (ocaml/dune#2699, @nojb)

- Do not setup rules for disabled libraries (ocaml/dune#2491, fixes ocaml/dune#2272, @bobot)

- Configurator: filter out empty flags from `pkg-config` (ocaml/dune#2716, @AltGr)

- `no_keep_locs` is a no-op for projects that use `lang dune` older than 2.0. In
  projects where the language is at least `2.0`, the field is now forbidden.
  (ocaml/dune#2752, fixes ocaml/dune#2747, @rgrinberg)

- Extend support for foreign sources and archives via the `(foreign_library ...)`
  stanza as well as the `(foreign_stubs ...)` and `(foreign_archives ...)` fields.
  (ocaml/dune#2659, RFC ocaml/dune#2650, @snowleopard)

- Add (deprecated_package_names) field to (package) declaration in
  dune-project. The names declared here can be used in the (old_public_name)
  field of (deprecated_library_name) stanza. These names are interpreted as
  library names (not prefixed by a package name) and appropiate redirections are
  setup in their META files. This feaure is meant to migrate old libraries which
  do not follow Dune's convention of prefixing libraries with the package
  name. (ocaml/dune#2696, @nojb)

- The fields `license`, `authors`, `maintainers`, `source`, `bug_reports`,
  `homepage`, and `documentation` of `dune-project` can now be overriden on a
  per-package basis. (ocaml/dune#2774, @nojb)

- Change the default `modes` field of executables to `(mode exe)`. If
  one wants to build a bytecode program, it now needs to be explicitly
  requested via `(modes byte exe)`. (ocaml/dune#2851, @diml)

- Allow `ccomp_type` as a variable for evaluating `enabled_if`. (ocaml/dune#2855, @dra27,
  @rgrinberg)

- Stricter validation of file names in `select`. The file names of conditional
  sources must match the prefix and the extension of the resultant filename.
  (ocaml/dune#2867, @rgrinberg)

- Add flag `disable_dynamically_linked_foreign_archives` to the workspace file.
  If the flag is set to `true` then: (i) when installing libraries, we do not
  install dynamic foreign archives `dll*.so`; (ii) when building executables in
  the `byte` mode, we statically link in foreign archives into the runtime
  system; (iii) we do not generate any `dll*.so` rules. (ocaml/dune#2864, @snowleopard)

- Reimplement the bootstrap procedure. The new procedure is faster and
  should no longer stack overflow (ocaml/dune#2854, @dra27, @diml)

- Allow `.opam.template` files to be generated using rules (ocaml/dune#2866, @rgrinberg)
@rgrinberg rgrinberg mentioned this pull request Nov 20, 2019
Merged
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@all doesn't work with enabled_if on libraries
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@bobot @rgrinberg