Use for questions relating to dune, previously jbuilder, a build system for [ocaml] and [reason]
Dune is a build system for ocaml and reason.
Questions tagged [ocaml-dune]
96 questions
1
vote
1 answer
How to require a module in jane street Ocaml
I'm working through http://dev.realworldocaml.org/records.html and am having a problem with require
#require "re.posix";;
(* open Base ;;
open Core ;; *)
(* type =
{
: ;
: ;
} *)
type…
LeftN
- 37
- 1
- 5
1
vote
2 answers
Unable to build a program using lablgtk2 with jbuilder
I would like to use jbuilder when compiling with lablgtk2 but I am having problems getting these error messages:
File "_none_", line 1:
Error: No implementations provided for the following modules:
Thread referenced from…
Hadil Sabbagh
- 23
- 2
1
vote
1 answer
jbuilder install fails: no opam-installer tool
I am trying to run jbuilder install to install opam packages that I just built using jbuilder build @install (which generated a bunch of *.install files for me). However, I get the following error:
$ jbuilder install
Sorry, you need the…
plafer
- 185
- 12
0
votes
1 answer
Static linking of library into a dynamically-linked binding with OCaml's dune
I have an OCaml library that has a C binding. The C binding has a dependency on a native component that I would like to also build with dune. At the moment, the dune file looks like:
(rule
(deps
(source_tree vendor))
(targets libexample.a)
…
namesis
- 157
- 10
0
votes
1 answer
Unbound Module when using Dream eml pre-processor
I'm trying to learn OCaml by way of building a website with this lovely library I found called Dream (https://aantron.github.io/dream/), but I've run into an issue when trying to work with the template preprocessor! My code
is copied straight from…
0
votes
1 answer
How to structure project for testing in dune
I've created an OCaml project using dune with the intent of running through these exercises:
dune init project ocaml_exercises
I've then created two lib files, last.ml and last_two.ml which contain one function a piece:
let rec last list =
match…
ScottishTapWater
- 3,656
- 4
- 38
- 81
0
votes
0 answers
Using dune to copy files from one directory to another
I know about the copy_files stanza, but I'm stuck trying to copy files from one subdirectory to another (e.g. the root). Specifically, I'm trying to copy %{workspace_root}/static/ to _build/default/ instead of _build/default/static.
Doing so from…
s1gtrap
- 162
- 2
- 10
0
votes
1 answer
What does (depends ...) in dune-project do?
I wanted to specify the versions of my dependencies in my dune-project file explicitly, to avoid any breakages due to newer versions (in the same way I might list Java dependencies in a Gradle build file, if that means anything to you).
The…
ndc85430
- 1,395
- 3
- 11
- 17
0
votes
1 answer
Can't compile an OCaml program that uses sqlite3 module using dune
I wanted to test the Sqlite3 bindings in OCaml.
I have downloaded the appropriate package with opam, it works fine using utop.
I have tested it like this:
#use "topfind";;
#require "sqlite3";;
#show Sqlite3;;
open Sqlite3
let db = db_open…
zajer
- 649
- 6
- 17
0
votes
2 answers
How to include contents of a directory in Ocaml?
How do you include a file's content / module from a directory in Ocaml ?
└── bin
├── file_1.ml
└── directory
└── file_2.ml
In this example, how do you access file_2 contents in file_1.
I can't figure it out, even though it seems…
Dav
- 17
- 4
0
votes
1 answer
How to use go-to-definition with ocamlbuild on VS code?
I am trying to explore the project: https://github.com/kupl/VeriSmart-public. I am trying to use the go-to-definition feature of VS code but it is not working even with the offical Ocaml extension installed.
I've installed opam and used switch ocaml…
GreenieQwQ
- 1
- 1
0
votes
1 answer
foreign non-C library
I want to use a library built as a .a file in my dune project (exposing some needed functions...), but the dune documentation specifies only how to use foreign C code.
How can one use a non-C built library with dune?
What I am currently trying to do…
user13123535
- 67
- 6
0
votes
1 answer
OCaml v5.0, "Module `Str' is unavailable"
Im trying to use the Ocaml Str library in Ocaml v5.0 (for regexp) by importing using "open Str" but I keep getting this error
"Module `Str' is unavailable"
followed by this alert
"
OCaml's lib directory layout changed in 5.0. The str subdirectory…
Benjamin Borg
- 39
- 4
0
votes
1 answer
Calculating height of a logical expression
I have a task of calculating the height of a logical expression (like a∧(b∨c)). I have an algorithm, however there is a mistake that causes 2 errors
this function application is partial
This expression has type int * int -> int * int
but an…
PRO grmr
- 1
- 1
0
votes
0 answers
Does this github action workflow contain redundant steps?
Writing github workflow files is for me a tedious, error prone, exhausting and time consuming task. For that reason, I have a lot of github workflow files that are monstruosities born from random copy paste, or that were modified from some random…
Danielo515
- 5,996
- 4
- 32
- 66