Re: [Paparazzi-devel] Build Failure on OS X Yosemite

[Gautier Hattenberger]

Hi,

So, it appears that the error comes from a change in the API of lablgtk 
(and probably Gtk itself). A parameter that was previously an int32 (in 
version 2.16.0 and below) has now the type Gdk.native_window (in version 
2.18.x).
Unbuntu only package 2.16.0, but opam install by default the latest 
version 2.18.3. You can still get an older version with opam (opam 
install -v lablgtk.2.16.0, maybe remove the 2.18.3 version first).
It is really annoying to deal with this kind of stuff in ocaml, but I 
still need to make something for this because we'll face this problem in 
Unbuntu one day or another.

Gautier

Le 07/11/2014 10:48, liangchao a écrit :
> Hi, Wangyeee:
>
> On Ubuntu 14.04, I could build successfully. But after I've installed opam
> manually, the same error as yours have raised.
>
> OC gcs.ml
> findlib: [WARNING] Interface glibIvy.cmi occurs in several directories:
> /Users/wang/.opam/system/lib/glibivy, /opt/local/lib/ocaml
> findlib: [WARNING] Interface ivy.cmi occurs in several directories:
> /Users/wang/.opam/system/lib/glibivy, /opt/local/lib/ocaml
> File "gcs.ml", line 632, characters 23-29:
> Error: This expression has type int32 but an expression was expected of type
>           Gdk.native_window
> make: *** [gcs.cmo] Error 2
>
> After roll back the environment variables and remove the opam, it could be
> build again.
>
>
>
>
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