CLI: Renjin package

[per.n...@gmail.com]

Hi,

Alex showed me something nice yesterday that I have been trying to replicate.

The Renjin cli can convert a CRAN package to a Renjin package. I cannot get it to work however. This is what I did:

1. Download a package from CRAN (i took bssm_1.1.5.tar.gz from https://cran.r-project.org/src/contrib/bssm_1.1.5.tar.gz)

2. Unzip it to a local directory

3. cd into that directory

4. type renjin package

result is

```

~/Downloads/bssm$ renjin package

[INFO]  Resolving dependencies...

[INFO]  Resolving transitive dependencies...

[INFO]  Downloading dependencies...

java.lang.UnsupportedOperationException: TODO

at org.renjin.cli.build.PackageBuild.setupNativeCompilation(PackageBuild.java:114)

at org.renjin.packaging.PackageBuilder.compileNativeSources(PackageBuilder.java:99)

at org.renjin.packaging.PackageBuilder.build(PackageBuilder.java:59)

at org.renjin.cli.build.Builder.buildPackage(Builder.java:60)

at org.renjin.cli.build.PackageBuildCommand.tryRun(PackageBuildCommand.java:32)

at org.renjin.cli.build.BuildCommand.run(BuildCommand.java:26)

at org.renjin.cli.build.Builder.execute(Builder.java:54)

at org.renjin.cli.Main.main(Main.java:51)

```

Looking in the source for PackageBuild on master line 114 indeed says 

public void setupNativeCompilation() {
    throw new UnsupportedOperationException("TODO");

} 

But I am pretty sure Alex showed it working during the google meetup yesterday. Is there some other way (e.g. it is implemented in another branch or I should use some other command) to get this to work?

Best regards,

Per

[Bertram, Alexander]

Hi Per,

The command line tool doesn't yet support packages with C/C++/Fortran sources. 

My idea was for the command line tool to launch Vagrant to run configure and make, but it's a bit tricky because Renjin's C headers need to be unpacked and made accessible on the Vagrant file system.

Might be worth publishing a separate Vagrant box with everything set up?

https://www.vagrantup.com/vagrant-cloud/boxes/create

We could just host the box on renjin.org, might be easier than setting up deployment to Vagrant cloud.

Alex

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[per.n...@gmail.com]

I see, thank you for the explanation!

Have you explored the idea of creating static versions of gcc that could be used in the "Renjin native code compiler"? If we have that then there would be no need for Vagrant I think. Not sure how feasible that would be to do for Windows but a quick search revealed that it has been done on Linux for several versions of gcc before (4.6 and 5.3)...

Best regards,

Per