CODEWITHSUNDEEP
ocamlopam
Tinker
Tinker

Reputation: 9860

opam fails trying to install lwt looking for pthreads

On a Ubuntu Trusty VM, I've installed opam (version 1.2.0) from the ppa recommended by Real World Ocaml set up docs.

When running 

opam install lwt

the build fails, and examing the .out file shows:

testing for pthread: ........................... unavailable
not checking for glib

The following recquired C libraries are missing: pthread.

I have the Ubuntu package libpthread-stubs0-dev installed. What do I need to install to let the install succeed?

Upvotes: 1

Views: 235

Answers (1)

Thomas Leonard
Thomas Leonard

Reputation: 7196

According to https://github.com/realworldocaml/book/wiki/Installation-Instructions:

14.04 [Trusty] comes with recent versions of ocaml and opam. No PPA needed.

The instructions worked for me in a Trusty VM.

Also, make sure you have the aspcud package installed. Otherwise, opam often chooses the wrong versions of packages, and I've seen this error once in that case.

Upvotes: 1

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