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Explicit js mode #1941

Merged
merged 34 commits into from
Jul 22, 2019
Merged

Explicit js mode #1941

merged 34 commits into from
Jul 22, 2019

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nojb
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@nojb nojb commented Mar 13, 2019

Fixes #1675 and #1940

This is a first try at having a (explicit_js_mode) as discussed in #1675.

From a user perspective, it works as follows: when activated, .bc.js targets are only set up if the (executable ...) stanza contains js or (byte js) in its (modes ...) field.

Suggestions welcome!

src/exe.ml Outdated
{linkage with ext = ".bc"}, true
else
linkage, false
in
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What happens if we use (modes byte js)? It seems to me that the rule for the .bc is going to be produced twice.

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You are right; I will fix this.

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I pushed a commit that should fix this issue; it also avoids generating .cmo.js rules when in explicit js mode if js compilation has not been requested.

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Ok, not generating the .cmo.js rules seems good.

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ghost commented Mar 18, 2019

Just one last thing: could you try to split the js linking into a separate step? i.e. instead of passing a ?js_of_ocaml argument to link_exe, we could instead call a separate link_js function. IIRC, not much code is shared between the linking of the .bc and the .bc.js, so there is not much value in keeping both in the same function call. I believe this would lead to more straightforward code, i.e. instead of removing the byte mode when the js mode is in use, we could simply say that the js mode implies the byte mode and do exactly that in the implementation.

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nojb commented Mar 18, 2019

Just one last thing: could you try to split the js linking into a separate step? i.e. instead of passing a ?js_of_ocaml argument to link_exe, we could instead call a separate link_js function. IIRC, not much code is shared between the linking of the .bc and the .bc.js, so there is not much value in keeping both in the same function call. I believe this would lead to more straightforward code, i.e. instead of removing the byte mode when the js mode is in use, we could simply say that the js mode implies the byte mode and do exactly that in the implementation.

Yes, it is a nice cleanup, will do.

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Could you enable this explicit_js_mode in dune itself as well?

@nojb nojb force-pushed the explicit_js_mode branch 2 times, most recently from 2487b63 to 0e4dbc8 Compare March 18, 2019 19:58
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As discussed on slack, I think it would also be good if newly generated dune-project files contained this better default.

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@nojb please rebase this on master to properly see the test failure in CI. I fixed the CI scripts. Sorry about that.

@nojb nojb force-pushed the explicit_js_mode branch 2 times, most recently from e11eb5a to ae3ea7c Compare March 19, 2019 10:07
@nojb nojb requested a review from hhugo as a code owner March 27, 2019 12:40
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@nojb you need to update js_of_ocaml_rules.boot.ml.

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nojb commented Mar 27, 2019

@nojb you need to update js_of_ocaml_rules.boot.ml.

Thanks for the hint.

A small heads-up: I am currently adapting the library rules (.cma.js) which did not take the explicit_js_mode into account yet. After that, a bit more refactoring to split setup of JS rules from bytecode rules and after that I will update the .boot.ml.

@nojb nojb force-pushed the explicit_js_mode branch 2 times, most recently from c37d427 to 5357034 Compare April 4, 2019 11:37
@rgrinberg rgrinberg force-pushed the explicit_js_mode branch 4 times, most recently from bf3b93d to 4297f27 Compare April 5, 2019 07:31
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On second thought, generating project files with (explicit_js_mode) enabled is a bad idea. The issue is that it changes the build after generating the file. That seems like it will confuse the users. Instead, I've opted for adding a commented line about this feature in the generated template.

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@nojb i've added some finishing touches like docs, change log, and also re-worked a bit how @all is handled.

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We can save this work for 1.10

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ghost commented Apr 8, 2019

Well, it doesn't have to be. We can make explicit_js_mode the default when no dune-project file is present. That's the basic idea of generating with dune-project files: they remember the behaviour of dune at the time you created the project to ensure that your project will continue to build as dune evolves.

nojb added 13 commits July 22, 2019 18:14
Signed-off-by: Nicolás Ojeda Bär <[email protected]>
Signed-off-by: Nicolás Ojeda Bär <[email protected]>
Signed-off-by: Nicolás Ojeda Bär <[email protected]>
Signed-off-by: Nicolás Ojeda Bär <[email protected]>
Signed-off-by: Nicolás Ojeda Bär <[email protected]>
Signed-off-by: Nicolás Ojeda Bär <[email protected]>
Signed-off-by: Nicolás Ojeda Bär <[email protected]>
Signed-off-by: Nicolás Ojeda Bär <[email protected]>
Signed-off-by: Nicolás Ojeda Bär <[email protected]>
Signed-off-by: Nicolás Ojeda Bär <[email protected]>
Signed-off-by: Nicolás Ojeda Bär <[email protected]>
Signed-off-by: Nicolás Ojeda Bär <[email protected]>
@nojb nojb merged commit 4217520 into ocaml:master Jul 22, 2019
rgrinberg added a commit to rgrinberg/opam-repository that referenced this pull request Jul 22, 2019
CHANGES:

- Don't select all local implementations in `dune utop`. Instead, let the
  default implementation selection do its job. (ocaml/dune#2327, fixes ocaml/dune#2323, @TheLortex,
  review by @rgrinberg)

- Check that selected implementations (either by variants or default
  implementations) are indeed implementations. (ocaml/dune#2328, @TheLortex, review by
  @rgrinberg)

- Don't reserve the `Ppx` toplevel module name for ppx rewriters (ocaml/dune#2242, @diml)

- Redesign of the library variant feature according to the ocaml/dune#2134 proposal. The
  set of variants is now computed when the virtual library is installed.
  Introducing a new `external_variant` stanza. (ocaml/dune#2169, fixes ocaml/dune#2134, @TheLortex,
  review by @diml)

- Add proper line directives when copying `.cc` and `.cxx` sources (ocaml/dune#2275,
  @rgrinberg)

- Fix error message for missing C++ sources. The `.cc` extension was always
  ignored before. (ocaml/dune#2275, @rgrinberg)

- Add `$ dune init project` subcommand to create project boilerplate according
  to a common template. (ocaml/dune#2185, fixes ocaml/dune#159, @shonfeder)

- Allow to run inline tests in javascript with nodejs (ocaml/dune#2266, @hhugo)

- Build `ppx.exe` as compiling host binary. (ocaml/dune#2286, fixes ocaml/dune#2252, @toots, review
  by @rgrinberg and @diml)

- Add a `cinaps` extension and stanza for better integration with the
  [cinaps tool](https://github.com/janestreet/cinaps) tool (ocaml/dune#2269,
  @diml)

- Allow to embed build info in executables such as version and list
  and version of statically linked libraries (ocaml/dune#2224, @diml)

- Set version in `META` and `dune-package` files to the one read from
  the vcs when no other version is available (ocaml/dune#2224, @diml)

- Add a variable `%{target}` to be used in situations where the context
  requires at most one word, so `%{targets}` can be confusing; stdout
  redirections and "-o" arguments of various tools are the main use
  case; also, introduce a separate field `target` that must be used
  instead of `targets` in those situations.  (ocaml/dune#2341, @aalekseyev)

- Fix dependency graph of wrapped_compat modules. Previously, the dependency on
  the user written entry module was omitted. (ocaml/dune#2305, @rgrinberg)

- Allow to promote executables built with an `executable` stanza
  (ocaml/dune#2379, @diml)

- When instantiating an implementation with a variant, make sure it matches
  virtual library's list of known implementations. (ocaml/dune#2361, fixes ocaml/dune#2322,
  @TheLortex, review by @rgrinberg)

- Add a variable `%{ignoring_promoted_rules}` that is `true` when
  `--ingore-promoted-rules` is passed on the command line and false
  otherwise (ocaml/dune#2382, @diml)

- Fix a bug in `future_syntax` where the characters `@` and `&` were
  not distinguished in the names of binding operators (`let@` was the
  same as `let&`) (ocaml/dune#2376, @aalekseyev, @diml)

- Workspaces with non unique project names are now supported. (ocaml/dune#2377, fix ocaml/dune#2325,
  @rgrinberg)

- Improve opam generation to include the `dune` dependncies with the minimum
  constraint set based on the dune language version specified in the
  `dune-project` file. (2383, @avsm)

- The order of fields in the generated opam file now follows order preferred in
  opam-lib. (@avsm, ocaml/dune#2380)

- Fix coloring of error messages from the compiler (@diml, ocaml/dune#2384)

- Add warning `66` to default set of warnings starting for dune projects with
  language verison >= `1.11` (@rgrinberg, @diml, fixes ocaml/dune#2299)

- Add (dialect ...) stanza
  (@nojb, ocaml/dune#2404)

- Add a `--context` argument to `dune install/uninstall` (@diml, ocaml/dune#2412)

- Do not warn about merlin files pre 1.9. This warning can only be disabled in
  1.9 (ocaml/dune#2421, fixes ocaml/dune#2399, @emillon)

- Add a new `inline_tests` field in the env stanza to control inline_tests
  framework with a variable (ocaml/dune#2313, @mlasson, original idea by @diml, review
  by @rgrinberg).

- New binary kind `js` for executables in order to explicitly enable Javascript
  targets, and a switch `(explicit_js_mode)` to require this mode in order to
  declare JS targets corresponding to executables. (ocaml/dune#1941, @nojb)
@nojb nojb deleted the explicit_js_mode branch August 1, 2019 07:32
rgrinberg added a commit to rgrinberg/opam-repository that referenced this pull request Oct 31, 2019
…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
…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
…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
…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 Nov 12, 2019
…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
…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)
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@all should not try to build -custom bytecode executables
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