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Discrepancy between jsoo whole program compilation and separate compilation. #3622

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dbuenzli opened this issue Jul 12, 2020 · 1 comment · Fixed by #3626 or ocaml/opam-repository#17005
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@dbuenzli
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There's a discrepancy between jsoo whole program compilation and separate compilation. You need to add a compile of std_exit.cmo at the end of the link phase, see this issue in js_of_ocaml.

> echo 'let () = print_string {|bla|}' > main.ml   
> echo '(executable (name main) (modes js))' > dune
> dune build --profile=release ./main.bc.js        
> node _build/default/main.bc.js 
bla
> dune build --profile=dev ./main.bc.js
> node _build/default/main.bc.js  
>

Versions:

> js_of_ocaml --version 
3.6.0
> dune --version 
2.5.1
@ghost
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ghost commented Jul 13, 2020

Indeed, thanks for the report

@ghost ghost assigned rgrinberg Jul 13, 2020
rgrinberg added a commit to rgrinberg/jbuilder that referenced this issue Jul 14, 2020
Signed-off-by: Rudi Grinberg <[email protected]>
rgrinberg added a commit to rgrinberg/jbuilder that referenced this issue Jul 14, 2020
Compile std_exit to js and link it last

Signed-off-by: Rudi Grinberg <[email protected]>
rgrinberg added a commit to rgrinberg/jbuilder that referenced this issue Jul 14, 2020
Compile std_exit to js and link it last

Signed-off-by: Rudi Grinberg <[email protected]>
rgrinberg added a commit to rgrinberg/jbuilder that referenced this issue Jul 14, 2020
Signed-off-by: Rudi Grinberg <[email protected]>
rgrinberg added a commit to rgrinberg/jbuilder that referenced this issue Jul 14, 2020
Compile std_exit to js and link it last

Signed-off-by: Rudi Grinberg <[email protected]>
rgrinberg added a commit to rgrinberg/jbuilder that referenced this issue Jul 15, 2020
Compile std_exit to js and link it last

Signed-off-by: Rudi Grinberg <[email protected]>
aalekseyev pushed a commit to aalekseyev/dune that referenced this issue Aug 4, 2020
Signed-off-by: Rudi Grinberg <[email protected]>
aalekseyev pushed a commit to aalekseyev/dune that referenced this issue Aug 4, 2020
Compile std_exit to js and link it last

Signed-off-by: Rudi Grinberg <[email protected]>
rgrinberg added a commit to rgrinberg/opam-repository that referenced this issue Aug 14, 2020
…lugin, dune-private-libs and dune-glob (2.7.0)

CHANGES:

- Write intermediate files in a `.mdx` folder for each `mdx` stanza
  to prevent the corresponding actions to be executed as part of the `@all`
  alias (ocaml/dune#3659, @NathanReb)

- Read Coq flags from `env` (ocaml/dune#3547 , fixes ocaml/dune#3486, @gares)

- Allow bisect_ppx to be enabled/disabled via dune-workspace. (ocaml/dune#3404,
  @stephanieyou)

- Formatting of dune files is now done in the executing dune process instead of
  in a separate process. (ocaml/dune#3536, @nojb)

- Add a `--debug-artifact-substution` flag to help debug problem with
  version not being captured by `dune-build-info` (ocaml/dune#3589,
  @jeremiedimino)

- Allow the use of the `context_name` variable in the `enabled_if` fields of
  executable(s) and install stanzas. (ocaml/dune#3568, fixes ocaml/dune#3566, @voodoos)

- Fix compatibility with OCaml 4.12.0 when compiling empty archives; no .a file
  is generated. (ocaml/dune#3576, @dra27)

- `$ dune utop` no longer tries to load optional libraries that are unavailable
  (ocaml/dune#3612, fixes ocaml/dune#3188, @anuragsoni)

- Fix dune-build-info on 4.10.0+flambda (ocaml/dune#3599, @emillon, @jeremiedimino).

- Allow multiple libraries with `inline_tests` to be defined in the same
  directory (ocaml/dune#3621, @rgrinberg)

- Run exit hooks in jsoo separate compilation mode (ocaml/dune#3626, fixes ocaml/dune#3622,
  @rgrinberg)

- Add (alias ...), (mode ...) fields to (copy_fields ...) stanza (ocaml/dune#3631, @nojb)

- (copy_files ...) now supports copying files from outside the workspace using
  absolute file names (ocaml/dune#3639, @nojb)

- Dune does not use `ocamlc` as an intermediary to call C compiler anymore.
  Configuration flags `ocamlc_cflags` and `ocamlc_cppflags` are always prepended
  to the compiler arguments. (ocaml/dune#3565, fixes ocaml/dune#3346, @voodoos)

- Revert the build optimization in ocaml/dune#2268. This optimization slows down building
  individual executables when they're part of an `executables` stanza group
  (ocaml/dune#3644, @rgrinberg)

- Use `{dev}` rather than `{pinned}` in the generated `.opam` file. (ocaml/dune#3647,
  @kit-ty-kate)

- Insert correct extension name when editing `dune-project` files. Previously,
  dune would just insert the stanza name. (ocaml/dune#3649, fixes ocaml/dune#3624, @rgrinberg)

- Fix crash when evaluating an `mdx` stanza that depends on unavailable
  packages. (ocaml/dune#3650, @craigfe)

- Fix typo in `cache-check-probablity` field in dune config files. This field
  now requires 2.7 as it wasn't usable before this version. (ocaml/dune#3652, @edwintorok)

- Add `"odoc" {with-doc}` to the dependencies in the generated `.opam` files.
  (ocaml/dune#3667, @kit-ty-kate)

- Do not allow user actions to capture dune's stdin (ocaml/dune#3677, fixes ocaml/dune#3672,
  @rgrinberg)

- `(subdir ...)` stanzas can now appear in dune files used via `(include ...)`.
  (ocaml/dune#3676, @nojb)
rgrinberg added a commit to rgrinberg/opam-repository that referenced this issue Aug 14, 2020
…lugin, dune-private-libs and dune-glob (2.7.0)

CHANGES:

- Write intermediate files in a `.mdx` folder for each `mdx` stanza
  to prevent the corresponding actions to be executed as part of the `@all`
  alias (ocaml/dune#3659, @NathanReb)

- Read Coq flags from `env` (ocaml/dune#3547 , fixes ocaml/dune#3486, @gares)

- Add instrumentation framework to toggle instrumentation by `bisect_ppx`,
  `landmarks`, etc, via dune-workspace and/or the command-line. (ocaml/dune#3404, ocaml/dune#3526
  @stephanieyou, @nojb)

- Formatting of dune files is now done in the executing dune process instead of
  in a separate process. (ocaml/dune#3536, @nojb)

- Add a `--debug-artifact-substution` flag to help debug problem with
  version not being captured by `dune-build-info` (ocaml/dune#3589,
  @jeremiedimino)

- Allow the use of the `context_name` variable in the `enabled_if` fields of
  executable(s) and install stanzas. (ocaml/dune#3568, fixes ocaml/dune#3566, @voodoos)

- Fix compatibility with OCaml 4.12.0 when compiling empty archives; no .a file
  is generated. (ocaml/dune#3576, @dra27)

- `$ dune utop` no longer tries to load optional libraries that are unavailable
  (ocaml/dune#3612, fixes ocaml/dune#3188, @anuragsoni)

- Fix dune-build-info on 4.10.0+flambda (ocaml/dune#3599, @emillon, @jeremiedimino).

- Allow multiple libraries with `inline_tests` to be defined in the same
  directory (ocaml/dune#3621, @rgrinberg)

- Run exit hooks in jsoo separate compilation mode (ocaml/dune#3626, fixes ocaml/dune#3622,
  @rgrinberg)

- Add (alias ...), (mode ...) fields to (copy_fields ...) stanza (ocaml/dune#3631, @nojb)

- (copy_files ...) now supports copying files from outside the workspace using
  absolute file names (ocaml/dune#3639, @nojb)

- Dune does not use `ocamlc` as an intermediary to call C compiler anymore.
  Configuration flags `ocamlc_cflags` and `ocamlc_cppflags` are always prepended
  to the compiler arguments. (ocaml/dune#3565, fixes ocaml/dune#3346, @voodoos)

- Revert the build optimization in ocaml/dune#2268. This optimization slows down building
  individual executables when they're part of an `executables` stanza group
  (ocaml/dune#3644, @rgrinberg)

- Use `{dev}` rather than `{pinned}` in the generated `.opam` file. (ocaml/dune#3647,
  @kit-ty-kate)

- Insert correct extension name when editing `dune-project` files. Previously,
  dune would just insert the stanza name. (ocaml/dune#3649, fixes ocaml/dune#3624, @rgrinberg)

- Fix crash when evaluating an `mdx` stanza that depends on unavailable
  packages. (ocaml/dune#3650, @craigfe)

- Fix typo in `cache-check-probablity` field in dune config files. This field
  now requires 2.7 as it wasn't usable before this version. (ocaml/dune#3652, @edwintorok)

- Add `"odoc" {with-doc}` to the dependencies in the generated `.opam` files.
  (ocaml/dune#3667, @kit-ty-kate)

- Do not allow user actions to capture dune's stdin (ocaml/dune#3677, fixes ocaml/dune#3672,
  @rgrinberg)

- `(subdir ...)` stanzas can now appear in dune files used via `(include ...)`.
  (ocaml/dune#3676, @nojb)
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