Releases · ocaml/dune

@nojb

CHANGES:

fix compatibility with ocaml.5.4.0 by avoiding shadowing sigwinch (@nojb,
#11639)

@MisterDA

CHANGES:

fix: pass pkg-config (extra) args in all pkgconfig invocations. A missing
--personality flag would result in pkgconf not finding libraries in some
contexts. (#11619, @MisterDA)

@Sylvain78

CHANGES:

Fixed

Support HaikuOS: don't call execve since it's not allowed if other pthreads
have been created. The fact that Haiku can't call execve from other threads
than the principal thread of a process (a team in haiku jargon), is a
discrepancy to POSIX and hence there is a bug about
it. (@Sylvain78, #10953)
Fix flag ordering in generated Merlin configurations (#11503, @voodoos, fixes
ocaml/merlin#1900, reported by @vouillon)

Added

Add (format-dune-file <src> <dst>) action. It provides a replacement to
dune format-dune-file command. (#11166, @nojb)
Allow the --prefix flag when configuring dune with ocaml configure.ml.
This allows to set the prefix just like $ dune install --prefix. (#11172,
@rgrinberg)
Allow arguments starting with + in preprocessing definitions (starting with
(lang dune 3.18)). (@amonteiro, #11234)
Support for opam (maintenance_intent ...) in dune-project (#11274, @art-w)
Validate opam maintenance_intent (#11308, @art-w)
Support not in package dependencies constraints (#11404, @art-w, reported
by @hannesm)

Changed

Warn when failing to discover root due to reads failing. The previous
behavior was to abort. (@KoviRobi, #11173)
Use shorter path for inline-tests artifacts. (@hhugo, #11307)
Allow dash in dune init project name (#11402, @art-w, reported by @saroupille)
On Windows, under heavy load, file delete operations can sometimes fail due to
AV programs, etc. Guard against it by retrying the operation up to 30x with a
1s waiting gap (#11437, fixes #11425, @MSoegtropIMC)
Cache: we now only store the executable permission bit for files (#11541,
fixes #11533, @ElectreAAS)
Display negative error codes on Windows in hex which is the more customary
way to display NTSTATUS codes (#11504, @MisterDA)

@Sylvain78

CHANGES:

Fixed

Support HaikuOS: don't call execve since it's not allowed if other pthreads
have been created. The fact that Haiku can't call execve from other threads
than the principal thread of a process (a team in haiku jargon), is a
discrepancy to POSIX and hence there is a bug about
it. (@Sylvain78, #10953)
Fix flag ordering in generated Merlin configurations (#11503, @voodoos, fixes
ocaml/merlin#1900, reported by @vouillon)

Added

Add (format-dune-file <src> <dst>) action. It provides a replacement to
dune format-dune-file command. (#11166, @nojb)
Allow the --prefix flag when configuring dune with ocaml configure.ml.
This allows to set the prefix just like $ dune install --prefix. (#11172,
@rgrinberg)
Allow arguments starting with + in preprocessing definitions (starting with
(lang dune 3.18)). (@amonteiro, #11234)
Support for opam (maintenance_intent ...) in dune-project (#11274, @art-w)
Validate opam maintenance_intent (#11308, @art-w)
Support not in package dependencies constraints (#11404, @art-w, reported
by @hannesm)

Changed

Warn when failing to discover root due to reads failing. The previous
behavior was to abort. (@KoviRobi, #11173)
Use shorter path for inline-tests artifacts. (@hhugo, #11307)
Allow dash in dune init project name (#11402, @art-w, reported by @saroupille)
On Windows, under heavy load, file delete operations can sometimes fail due to
AV programs, etc. Guard against it by retrying the operation up to 30x with a
1s waiting gap (#11437, fixes #11425, @MSoegtropIMC)
Cache: we now only store the executable permission bit for files (#11541,
fixes #11533, @ElectreAAS)
Display negative error codes on Windows in hex which is the more customary
way to display NTSTATUS codes (#11504, @MisterDA)

@anmonteiro

CHANGES:

Fixed

Fix a crash in the Melange rules that would prevent compiling public library
implementations of virtual libraries. (@anmonteiro, #11248)
Pass melange.emit's compile_flags to the JS emission phase. (@anmonteiro, #11252)
Disallow private implementations of public virtual libs in melange mode. (@anmonteiro, #11253)
Wasm_of_ocaml: fix the execution of tests in a sandbox. (#11304, @vouillon)

@nojb

CHANGES:

Fixed

When a library declares `(no_dynlink)`, then the `.cmxs` file for it
is no longer built. (#11176, @nojb)

Fix bug that could result in corrupted file copies by Dune, for example when
using the `copy_files#` stanza or the `copy#` action. (@nojb, #11194, fixes
#11193)

Remove useless error message when running `$ dune subst` in empty projects.
(@rgrinberg, #11204, fixes #11200)

@jchavarri

CHANGES:

Fixed

Show the context name for errors happening in non-default contexts.
(#10414, fixes #10378, @jchavarri)
Correctly declare dependencies of indexes so that they are rebuilt when
needed. (#10623, @voodoos)
Don't depend on coq-stdlib being installed when expanding variables
of the coq.version family (#10631, fixes #10629, @gares)
Error out if no files are found when using copy_files. (#10649, @jchavarri)
Re_export dune-section private library in the dune-site library stanza,
in order to avoid failure when generating and building sites modules
with implicit_transitive_deps = false. (#10650, fixes #9661, @MA0100)
Expect test fixes: support multiple modes and fix dependencies when there is
a custom runner (#10671, @vouillon)
In a (library) stanza with (extra_objects) and (foreign_stubs), avoid
double linking the extra object files in the final executable.
(#10783, fixes #10785, @nojb)
Map (re_export) library dependencies to the exports field in META files,
and vice-versa. This field was proposed in to
https://discuss.ocaml.org/t/proposal-a-new-exports-field-in-findlib-meta-files/13947.
The field is included in Dune-generated META files only when the Dune lang
version is >= 3.17.
(#10831, fixes #10830, @nojb)
Fix staged pps preprocessors on Windows (which were not working at all
previously) (#10869, fixes #10867, @nojb)
Fix dune describe when an executable is disabled with enabled_if.
(#10881, fixes #10779, @moyodiallo)
Fix an issue where C stubs would be rebuilt whenever the stderr of Dune was
redirected. (#10883, fixes #10882, @nojb)
Fix the URL opened by the command dune ocaml doc. (#10897, @gridbugs)
Fix the file referred to in the error/warning message displayed due to the
dune configuration version not supporting a particular configuration
stanza in use. (#10923, @H-ANSEN)
Fix enabled_if when it uses env variable. (#10936, fixes #10905, @moyodiallo)
Fix exec -w for relative paths with --root argument (#10982, @gridbugs)
Do not ignore the (locks ..) field in the test and tests stanza
(#11081, @rgrinberg)
Tolerate files without extension when generating merlin rules.
(#11128, @anmonteiro)

Added

Make Merlin/OCaml-LSP aware of "hidden" dependencies used by
(implicit_transitive_deps false) via the -H compiler flag. (#10535, @voodoos)
Add support for the -H flag (introduced in OCaml compiler 5.2) in dune
(requires lang versions 3.17). This adaptation gives
the correct semantics for (implicit_transitive_deps false).
(#10644, fixes #9333, ocsigen/tyxml#274, #2733, #4963, @MA0100)
Add support for specifying Gitlab organization repositories in source
stanzas (#10766, fixes #6723, @H-ANSEN)
New option to control jsoo sourcemap generation in env and executable stanza
(#10777, fixes #10673, @hhugo)
One can now control jsoo compilation_mode inside an executable stanza
(#10777, fixes #10673, @hhugo)
Add support for specifying default values of the authors, maintainers, and
license stanzas of the dune-project file via the dune config file. Default
values are set using the (project_defaults) stanza (#10835, @H-ANSEN)
Add names to source tree events in performance traces (#10884, @jchavarri)
Add codeberg as an option for defining project sources in dune-project
files. For example, (source (codeberg user/repo)). (#10904, @nlordell)
dune runtest can now run individual tests with dune runtest mytest.t
(#11041, @Alizter).
Wasm_of_ocaml support (#11093, @vouillon)
Add a coqdep_flags field to the coq field of the env stanza, and to the coq.theory stanza, allowing to configure coqdep flags.
(#11094, @rlepigre)

Changed

Remove all remnants of the experimental patch-back-source-tree. (#10771,
@rgrinberg)
Change the preset value for author and maintainer fields in the
dune-project file to encourage including emails. (#10848, @punchagan)
Tweak the preset value for tags in the dune-project file to hint at topics
not having a special meaning. (#10849, @punchagan)
Change some colors to improve readability in light-mode terminals
(#10890, @gridbugs)
Forward the linkall flag to jsoo in whole program compilation as well (#10935, @hhugo)
Configurator uses pkgconf as pkg-config implementation when available
and forwards it the target of ocamlc -config. (#10937, @pirbo)
Enable Dune cache by default. Add a new Dune cache setting
enabled-except-user-rules, which enables the Dune cache, but excludes
user-written rules from it. This is a conservative choice that can avoid
breaking rules whose dependencies are not correctly specified. This is the
current default. (#10944, #10710, @nojb, @ElectreAAS)
Do not add dune dependency in dune-project when creating projects with
dune init proj. The Dune dependency is implicitely added when generating
opam files (#11129, @Leonidas-from-XIV)

@jchavarri

CHANGES:

Fixed

Show the context name for errors happening in non-default contexts.
(#10414, fixes #10378, @jchavarri)
Correctly declare dependencies of indexes so that they are rebuilt when
needed. (#10623, @voodoos)
Don't depend on coq-stdlib being installed when expanding variables
of the coq.version family (#10631, fixes #10629, @gares)
Error out if no files are found when using copy_files. (#10649, @jchavarri)
Re_export dune-section private library in the dune-site library stanza,
in order to avoid failure when generating and building sites modules
with implicit_transitive_deps = false. (#10650, fixes #9661, @MA0100)
Expect test fixes: support multiple modes and fix dependencies when there is
a custom runner (#10671, @vouillon)
In a (library) stanza with (extra_objects) and (foreign_stubs), avoid
double linking the extra object files in the final executable.
(#10783, fixes #10785, @nojb)
Map (re_export) library dependencies to the exports field in META files,
and vice-versa. This field was proposed in to
https://discuss.ocaml.org/t/proposal-a-new-exports-field-in-findlib-meta-files/13947.
The field is included in Dune-generated META files only when the Dune lang
version is >= 3.17.
(#10831, fixes #10830, @nojb)
Fix staged pps preprocessors on Windows (which were not working at all
previously) (#10869, fixes #10867, @nojb)
Fix dune describe when an executable is disabled with enabled_if.
(#10881, fixes #10779, @moyodiallo)
Fix an issue where C stubs would be rebuilt whenever the stderr of Dune was
redirected. (#10883, fixes #10882, @nojb)
Format long lists in s-expressions to fill the line instead of formatting
them in a vertical way (#10892, fixes #10860, @nojb)
Fix the URL opened by the command dune ocaml doc. (#10897, @gridbugs)
Fix the file referred to in the error/warning message displayed due to the
dune configuration version not supporting a particular configuration
stanza in use. (#10923, @H-ANSEN)
Fix enabled_if when it uses env variable. (#10936, fixes #10905, @moyodiallo)
Fix exec -w for relative paths with --root argument (#10982, @gridbugs)
Do not ignore the (locks ..) field in the test and tests stanza
(#11081, @rgrinberg)
Tolerate files without extension when generating merlin rules.
(#11128, @anmonteiro)

Added

Make Merlin/OCaml-LSP aware of "hidden" dependencies used by
(implicit_transitive_deps false) via the -H compiler flag. (#10535, @voodoos)
Add support for the -H flag (introduced in OCaml compiler 5.2) in dune
(requires lang versions 3.17). This adaptation gives
the correct semantics for (implicit_transitive_deps false).
(#10644, fixes #9333, ocsigen/tyxml#274, #2733, #4963, @MA0100)
Add support for specifying Gitlab organization repositories in source
stanzas (#10766, fixes #6723, @H-ANSEN)
New option to control jsoo sourcemap generation in env and executable stanza
(#10777, fixes #10673, @hhugo)
One can now control jsoo compilation_mode inside an executable stanza
(#10777, fixes #10673, @hhugo)
Add support for specifying default values of the authors, maintainers, and
license stanzas of the dune-project file via the dune config file. Default
values are set using the (project_defaults) stanza (#10835, @H-ANSEN)
Add names to source tree events in performance traces (#10884, @jchavarri)
Add codeberg as an option for defining project sources in dune-project
files. For example, (source (codeberg user/repo)). (#10904, @nlordell)
dune runtest can now run individual tests with dune runtest mytest.t
(#11041, @Alizter).
Wasm_of_ocaml support (#11093, @vouillon)
Add a coqdep_flags field to the coq field of the env stanza, and to the coq.theory stanza, allowing to configure coqdep flags.
(#11094, @rlepigre)

Changed

Remove all remnants of the experimental patch-back-source-tree. (#10771,
@rgrinberg)
Change the preset value for author and maintainer fields in the
dune-project file to encourage including emails. (#10848, @punchagan)
Tweak the preset value for tags in the dune-project file to hint at topics
not having a special meaning. (#10849, @punchagan)
Change some colors to improve readability in light-mode terminals
(#10890, @gridbugs)
Forward the linkall flag to jsoo in whole program compilation as well (#10935, @hhugo)
Configurator uses pkgconf as pkg-config implementation when available
and forwards it the target of ocamlc -config. (#10937, @pirbo)
Enable Dune cache by default. Add a new Dune cache setting
enabled-except-user-rules, which enables the Dune cache, but excludes
user-written rules from it. This is a conservative choice that can avoid
breaking rules whose dependencies are not correctly specified. This is the
current default. (#10944, #10710, @nojb, @ElectreAAS)
Do not add dune dependency in dune-project when creating projects with
dune init proj. The Dune dependency is implicitely added when generating
opam files (#11129, @Leonidas-from-XIV)

@kit-ty-kate

CHANGES:

Fixed

Call the C++ compiler with -std=c++11 when using OCaml >= 5.0
(#10962, @kit-ty-kate)

@anmonteiro

CHANGES:

Added

allow libraries with the same (name ..) in projects as long as they don't
conflict during resolution (via enabled_if). (#10307, @anmonteiro,
@jchavarri)
dune describe pp now finds the exact module and the stanza it belongs to,
instead of guessing the name of the preprocessed file. (#10321, @anmonteiro)
Print the result of dune describe pp with the respective dialect printer.
(#10322, @anmonteiro)
Add new flag --context to dune ocaml-merlin, which allows to select a
Dune context when requesting Merlin config. Add dune describe contexts
subcommand. Introduce a field generate_merlin_rules for contexts declared
in th 8132 e workspace, that allows to optionally produce Merlin rules for other
contexts besides the one selected for Merlin (#10324, @jchavarri)
melange: add include paths for private library .cmj files during JS
emission. (#10416, @anmonteiro)
dune ocaml-merlin: communicate additional directives SOURCE_ROOT,
UNIT_NAME (the actual name with wrapping) and INDEX with the paths to the
index(es). (#10422, @voodoos)
Add a new alias @ocaml-index that uses the ocaml-index binary to generate
indexes that can be read by tools such as Merlin to provide project-wide
references search. (#10422, @voodoos)
merlin: add optional (merlin_reader CMD) construct to (dialect) stanza to
configure a merlin reader (#8567, @andreypopp)

Changed

melange: treat private libraries with (package ..) as public libraries,
fixing an issue where import paths were wrongly emitted. (#10415,
@anmonteiro)
install .glob files for Coq theories too (#10602, @ejgallego)

Fixed

Don't try to document non-existent libraries in doc-new target (#10319, fixes
#10056, @jonludlam)
Make dune-site's load_all function look for META files so that it
doesn't fail on empty directories in the plugin directory (#10458, fixes
#10457, @shym)
Fix incorrect warning for libraries defined inside non-existant directories
using (subdir ..) and used by executables using dune-build-info (#10525,
@rgrinberg)
Don't try to take build lock when running coq top --no-build (#10547, fixes
#7671, @lzy0505)
Make sure to truncate dune's lock file after locking and unlocking so that
users cannot observe incorrect pid's (#10575, @rgrinberg)
mdx: link mdx binary with byte_complete. This fixes (libraries) with
foreign archives on Linux. (#10586, fixes #10582, @anmonteiro)
virtual libraries: fix an issue where linking an executable involving several
virtual libries would cause an error. (#10581, fixes #10460, @rgrinberg)

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