ogen

ogen is a generator of OCaml source of build configuration file.
The configuration file will generate dune configuration file.

Basic usage

Generate opam configuration

Create an opam project file, execute the following command.

ogen opam my_package

By default, an opam file and Makefile are generated.

ls -a
my_package.opam
Makefile

Generate library configuration

You can use the lib command to generate a build configuration file for the library.
In the example below, we create a dune file named package_xyz in lib/xyz.

ogen lib package_xyz -p package.xyz -o lib/xyz

Contents of output dune

(library
  (name        package_xyz)
  (public_name package.xyz)
)

Generate module file

You can generate modules using the mod command.
The following example creates a module file named example in lib/xyz.

ogen mod -o lib/xyz example

Install

You can install using opam.
The compiler version of OCaml must be 4.09.0 or higher.

opam switch create 4.09.0
opam pin add ogen https://github.com/holyshared/ogen.git

Build

Install and build the required dependent libraries.

opam install -y dune sexplib sexp_pretty cmdliner ppx_jane ppxlib mustache
make build

Run the test

The test only executes the test command.

opam install -y dune sexplib sexp_pretty cmdliner ppx_jane ppxlib mustache
make test