Liblinear 247

[UnixJunkie]

No description provided.

[UnixJunkie]

At install I get a permission denied at the cp stage (there are two). But I suspect this is due to my environment, not due to the opam package. If someone else could test this package, that would be helpful.

[UnixJunkie]

related to #26774

[UnixJunkie]

I'll try installing on the local disk as a test.

[UnixJunkie]

I still have a copy error if installing on the local disk

[UnixJunkie]

I could try the .install file method, but everything in the opam file is not bad either: it is centralized.

…

On Fri, Oct 25, 2024 at 4:05 PM Marcello Seri ***@***.***> wrote: ***@***.**** commented on this pull request. ------------------------------ In packages/liblinear/liblinear.2.47/opam <#26781 (comment)> : > @@ -6,8 +6,8 @@ bug-reports: "https://github.com/ocaml/opam-repository/issues" license: "BSD-3-Clause" build: [ ["sh" "-c" "make -C liblinear-247"] - ["cp" "-d" "--preserve=all" "liblinear-247/train" "%{bin}%/liblinear-train"] - ["cp" "-d" "--preserve=all" "liblinear-247/predict" "%{bin}%/liblinear-predict"] + ["install" "liblinear-247/train" "%{bin}%/liblinear-train"] + ["install" "liblinear-247/predict" "%{bin}%/liblinear-predict"] ] What if instead you generate a .install file and let opam do the copy? — Reply to this email directly, view it on GitHub <#26781 (review)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAFUFAECPHRFQFYBSHDIVSLZ5HUQ5AVCNFSM6AAAAABQQZKTZGVHI2DSMVQWIX3LMV43YUDVNRWFEZLROVSXG5CSMV3GSZLXHMZDGOJUGM4DQNZZGU> . You are receiving this because you authored the thread.Message ID: ***@***.***>

[mseri]

I was just suggesting it to see if it avoids the network disk issue

[UnixJunkie]

There were some errors in the opam file (depexts instead of depends); my mistake.
But, I still get the error:

# install: cannot create regular file '~/.opam/4.14.1/bin/liblinear-train': Read-only file system

If someone can test on a computer that's not using NFS for the homedir, that might be helpful.

[UnixJunkie]

Is there an example of a .install file somewhere? I did not find in opam-repos.

…

On Mon, Oct 28, 2024 at 9:59 AM Marcello Seri ***@***.***> wrote: ***@***.**** commented on this pull request. ------------------------------ In packages/liblinear/liblinear.2.47/opam <#26781 (comment)> : > @@ -6,8 +6,8 @@ bug-reports: "https://github.com/ocaml/opam-repository/issues" license: "BSD-3-Clause" build: [ ["sh" "-c" "make -C liblinear-247"] - ["cp" "-d" "--preserve=all" "liblinear-247/train" "%{bin}%/liblinear-train"] - ["cp" "-d" "--preserve=all" "liblinear-247/predict" "%{bin}%/liblinear-predict"] + ["install" "liblinear-247/train" "%{bin}%/liblinear-train"] + ["install" "liblinear-247/predict" "%{bin}%/liblinear-predict"] ] https://opam.ocaml.org/doc/Manual.html#lt-pkgname-gt-install — Reply to this email directly, view it on GitHub <#26781 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAFUFAFCB2XGN6FHMH7P7Q3Z5X4HLAVCNFSM6AAAAABQQZKTZGVHI2DSMVQWIX3LMV43YUDVNRWFEZLROVSXG5CSMV3GSZLXHMZDGOJYGU3TOOJXGY> . You are receiving this because you authored the thread.Message ID: ***@***.***>

[shonfeder]

Is there an example of a .install file somewhere? I did not find in opam-repos.

Perhaps

opam-repository/packages/xmlm/xmlm.1.1.0/opam

Lines 31 to 38 in 56e31a3

	extra-source "xmlm.install" {
	src:
	"https://raw.githubusercontent.com/ocaml/opam-source-archives/main/patches/xmlm/xmlm.install"
	checksum: [
	"sha256=5c91837e40cda04047271ed7a71360c00abb8fcbda9a4436d3baab320bc5246e"
	"md5=17cae44846e3d0dbc0c4cb294723369b"
	]
	}

?

I am able to find many other examples in the opam repo using rg '\.install' too, in case that is helpful.

[mseri]

@UnixJunkie this works!!

[shonfeder]

Are we OK to merge this one?

(the ci errors are inaccurate results due to some ongoing churn in the images).

[mseri]

Let’s wait a moment. @UnixJunkie does this version work with NFS?

[shonfeder]

Kindly ping to, @UnixJunkie.

[UnixJunkie]

This should be merged.
I know there is a problem w/ the NFS I am forced to use, but this has nothing to do w/ this clean opam package.
The fact that opam can install liblinear in user-space is a step forward to make packages relying on liblinear easier to install (there is the linwrap package for example).

[UnixJunkie]

Once this is merged, I will replicate the recipe to create a user-space installer for libsvm.
For people who don't know, liblinear is kind of a chainsaw for machine-learning.
Libsvm is another very famous library (by the same author/research group at Taiwan national university) for the same kind of tasks, is a little bit slower but sometimes allows to get better models.

[shonfeder]

Lovely. Thanks for all your work to make this available to the community!