Hi Rémi,

IIUC the only way to confirm that all requirements are added to the module descriptor is to compile the module-info file together with its sources. A correct and complete module-info is the base of the modular system.
That's the reason why I chose for the first option.

thanks,
Robert

On Sat, 25 Mar 2017 21:32:18 +0100, Remi Forax <fo...@univ-mlv.fr> wrote:

Robert,
they are two ways to compile a project with a version which is not java 9, let say 8 and a module-info with java 9.

Either, like the Maven compiler plugin, you compile twice the source, once with java 9 and once with java 8 excluding the module-info.java, or you compile once with java 8 excluding the module-info and you then compile only the module-info.java with java 9 (it's what Ceki has used).

The later solution is usually faster and avoid subtle bugs like if between java x and java 9, the code of javac changes the way a synthetic class is named (you will have the two versions with the compiler plugin).

cheers,
Rémi
----- Mail original -----
De: "Robert Scholte" <rfscho...@apache.org>
À: jigsaw-dev@openjdk.java.net
Envoyé: Samedi 25 Mars 2017 18:56:50
Objet: Re: Progress report on SLF4J project modularization

On Sat, 25 Mar 2017 15:38:27 +0100, Ceki Gulcu <c...@qos.ch> wrote:

Following the recipe at [2], it all seems to work.

Good to read that the recipe works. If we need to add things to this
recipe to improve it, just let me know.
Although in general I don't think we'll be helping developers if we show
the javac with its commandline arguments, especially since most of it is
hidden or calculated inside the maven-compiler-plugin.

thanks,
Robert

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