[ISSUE] Missing Matting Levin engine in Gimp

[ISSUE] Missing Matting Levin engine in Gimp

[nuckle]

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New issue by nuckle on void-packages repository

https://github.com/void-linux/void-packages/issues/54263

Description:
### Is this a new report?

Yes

### System Info

Void 6.12.7_1 x86_64 GenuineIntel notuptodate rrmFFFFFF

### Package(s) Affected

gimp-2.10.38_3 gegl-0.4.46_2

### Does a report exist for this bug with the project's home (upstream) and/or another distro?

I've tried to find some information about this, and seems like Void doesn't include this option into `gegl` during the build process
[pixls](https://discuss.pixls.us/t/gimp-2-10-0-release-candidate-1-available/7097/9)
[linuxquestions](https://www.linuxquestions.org/questions/slackware-14/requests-for-current-next-15-0-15-1-a-4175706801/page453.html#post6547494)


### Expected behaviour

An ability to change an engine from Matting Global to Matting Levin

### Actual behaviour

Only Matting Global is presented 

![Image](https://github.com/user-attachments/assets/58ac38d8-271d-4b80-9ed5-3a0e284b5612)

### Steps to reproduce

1. Launch Gimp
2. Choose a "Foreground Select Tool"
3. See "Tool options"
4. Can't change an engine

Re: Missing Matting Levin engine in Gimp

[oreo639]

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New comment by oreo639 on void-packages repository

https://github.com/void-linux/void-packages/issues/54263#issuecomment-2646354844

Comment:
https://gitlab.gnome.org/GNOME/gimp/-/blob/master/INSTALL.in#L68
https://github.com/void-linux/void-packages/blob/5971ae8cc48ab547f26f071df6a144cce2697d25/srcpkgs/gegl/template#L10
Yeah Matting Levin requires `-Dumfpack=enabled`.

Re: [ISSUE] [CLOSED] Missing Matting Levin engine in Gimp

[classabbyamp]

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Closed issue by nuckle on void-packages repository

https://github.com/void-linux/void-packages/issues/54263

Description:
### Is this a new report?

Yes

### System Info

Void 6.12.7_1 x86_64 GenuineIntel notuptodate rrmFFFFFF

### Package(s) Affected

gimp-2.10.38_3 gegl-0.4.46_2

### Does a report exist for this bug with the project's home (upstream) and/or another distro?

I've tried to find some information about this, and seems like Void doesn't include this option into `gegl` during the build process
[pixls](https://discuss.pixls.us/t/gimp-2-10-0-release-candidate-1-available/7097/9)
[linuxquestions](https://www.linuxquestions.org/questions/slackware-14/requests-for-current-next-15-0-15-1-a-4175706801/page453.html#post6547494)


### Expected behaviour

An ability to change an engine from Matting Global to Matting Levin

### Actual behaviour

Only Matting Global is presented 

![Image](https://github.com/user-attachments/assets/58ac38d8-271d-4b80-9ed5-3a0e284b5612)

### Steps to reproduce

1. Launch Gimp
2. Choose a "Foreground Select Tool"
3. See "Tool options"
4. Can't change an engine