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
0
votes
1 answer
Why is there this dune build error? 'cannot find -lz'
I am trying to build a project with this dune file:
src/lib/precomputed_values/gen_values/dune:
(executable
(name gen_values)
(flags -w -32)
(libraries
;; opam libraries
stdio
async_kernel
compiler-libs
core_kernel
ppxlib
…
Alien Flip
- 1
- 2
0
votes
1 answer
OUnit2 Unbound Module
I am writing my first Ocaml+OUnit2+Dune project. but in my unit test when I say open Mymaps it says "Unbound module Mymaps"
The structure of my project is as follows
mymaps
|
|-> lib
|-> dune
|-> mymaps.mli
|-> mymaps.ml
…
Knows Not Much
- 30,395
- 60
- 197
- 373
0
votes
1 answer
Dune not able to compile my first project
I followed the following steps to create my project
Create the project using the following dune command
dune init proj --kind=lib mymaps
Then added 2 files under the "lib" directory
mymaps.mli
type ('k, 'v) t
val empty : ('k, 'v) t
val insert :…
Knows Not Much
- 30,395
- 60
- 197
- 373
0
votes
1 answer
Building "hello world" with ocaml dune
Following the tutorial at https://dune.readthedocs.io/en/stable/quick-start.html, I created a file hello_world.ml containing
print_endline "Hello, world!"
and a file dune containing
(executable
(name hello_world))
and then typed
dune build…
user0
- 185
- 11
0
votes
0 answers
Freezing dependencies
What are the available solutions/practice to reduce the moving pieces and select some precise set of dependencies which were vetted somehow (nix style hash, freeze file, switch signature, etc..) ?
Context :
I checked out Base, and dune build it.
I…
nicolas
- 9,549
- 3
- 39
- 83
0
votes
1 answer
Installing OCaml bindings for LLVM
I built LLVM13 rc4 with OCaml bindings.
After running ninja install, I see the bindings is now installed in $HOME/.opam/4.12.0/lib/ocaml. However, I run dune build and it looks like the system does not realize the bindings is installed.
How do I add…
hackinghorn
- 133
- 6
0
votes
1 answer
Graphics Installation in Opam
I am trying to install graphics using opam install graphics, but I get the following error
message:
$ opam install graphics
The following actions will be performed:
∗ install graphics 5.1.1
↻ recompile ocamlfind 1.9.1 [uses graphics]
…
travisz
- 69
- 1
- 6
0
votes
1 answer
Why is dune using ocamlc when I asked to use ocamlopt?
$ dune build ./src/main.exe --profile=release
ocamlc src/.main.eobjs/byte/ast.{cmi,cmo,cmt} (exit 2)
(cd _build/default && /usr/bin/ocamlc.opt -w -40 -O3 -g -bin-annot -I src/.main.eobjs/byte -I /home/jackprograms/.opam/default/lib/cairo2 -I…
Jack Murrow
- 396
- 3
- 11
0
votes
1 answer
Dune behaviour regarding .cma files
I am experiencing some issues when trying to create a .cma file (library) with the dune utility. I have the following project tree:
.
├── _build
│ ├── default
│ │ ├── dune
│ │ └── lib
│ │ ├── a.a
│ │ ├── a.cma
│ │ …
Loutr_
- 3
- 3
0
votes
2 answers
Lack of information when OCaml crashes
I am new to OCaml which I installed via opam. My compiler is dune. Each time I build my project and run it, it crashes but I get no information from where it crashes in the code.
A friend of mine who is doing the same thing get information about the…
0
votes
1 answer
use ocamlformat with cppo and dune
to make our code work with multiple ocamlgraph versions, we are using this snippet in one of our files
#if OCAMLGRAPH_VERSION >= (2,0,0)
let module Dom = Dominator.Make_graph(struct
include G
let empty () = create ()
let add_edge…
josch
- 6,716
- 3
- 41
- 49
0
votes
1 answer
No implementations provided for the following modules (Mtime_clock, Mtime)
In my project, I'm using OCanren package which I installed as described here: https://github.com/JetBrains-Research/OCanren#Installation.
I have a file test.ml where I use OCanren:
open OCanren
let _ = inj
And a dune file in the same…
oquechy
- 51
- 4
0
votes
1 answer
What is the proper setup to build the lablgtk hello world using dune?
Can someone here help me with my OCaml project setup?
I want to create a build environment using dune, since I am working on a gui application I want to build the lablgtk example from here : GTK Hello World!
I am able to build it using the…
ptrck
- 79
- 2
- 8
0
votes
1 answer
Opam could install latest package and told 'Already up-to-date'?
I wanna use opam to install dune package whose version is 1.11.0 or higher. But it told me Already up-to-date while dune is still 1.2.1.
pasting my operations:
$ opam update
=-=- Updating package repositories…
pwxcoo
- 2,903
- 2
- 15
- 21
0
votes
1 answer
Is it possible to create solib in OCaml
I want to implement shared library for Linux/FreeBSD in OCaml and I need it to have C interface. This way I will be able to implement bindings for various languages. I have several concerns:
OCaml is garbage-collected and I'm afraid that objects…
user10359393