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GeezerVison is showing github.com — Gradle 9 compatibility by letorbi · Pull Request #1535 · processing/processing4

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@letorbi

@letorbi letorbi commented Jun 29, 2026

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Currently the build process fails with Gradle 9 due to a depreciated statement in app/build.gradle.kt. The relevant part of the error message is:

Script compilation errors:

  Line 566:             exec {
                        ^ Unresolved reference 'exec'.

  Line 567:                 commandLine("codesign", "--timestamp", "--force", "--deep","--options=runtime", "--entitlements", entitlements, "--sign", "Developer ID Application", file)
                            ^ Unresolved reference 'commandLine'.

2 errors

This PR enables Gradle 9 compatibility by replacing the commandLine(...) statement with Runtime.getRuntime().exec(arrayOf(...)). After this, the build process runs smoothly on Linux.

Important: Even though I am pretty sure that the new statement will work, I was not able to test it on MacOS, which seems to be the only system that actually executes the modified line. This should be done by a reviewer before merging the PR.

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@letorbi
Replace commandLine call with compatible Gradle 9 statement
076477b
@letorbi

letorbi commented Jun 29, 2026

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@catilac I've read in PR #1523 that you are currently working on the build system, so this PR might be interesting for you.
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@catilac

catilac commented Jun 29, 2026

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We are upgrading to gradle 9 in a different branch. Also I don't feel comfortable with a first-time contributor making changes to our build system. I recommend you read CONTRIBUTION.md. Thank you!
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@catilac catilac closed this Jun 29, 2026
@letorbi

letorbi commented Jun 29, 2026 •
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Ok, good to know that you are already on it.

I searched for Gradle relates issues and branches before creating the PR, but didn't find anything, therefore I assumed it was fine to create the PR - I am sorry, if not. I am also not exactly a first-time contributor: Ben merged a PR from me in 2021 (b1eed96) and I am the maintainer of the Processing packages for Arch Linux since a least six years.

Anyway, since I am also not exactly a regular contributor, I re-read the contribution guidelines, but I still do not really see an obvious mistake I made by creating the PR. Maybe the fact, that I was not able to test the change on a Mac or should I have created an issue before creating the PR? Could you please point me to the thing I am missing?

Last question: Is there an issue regarding the Gradle 9 migration I could subscribe to? The Arch packages I maintain contain my patch right now to avoid the heavy Gradle 8 dependency, but I'd like to remove it as soon as your branch has been merged into main.
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@catilac

catilac commented Jun 30, 2026

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@letorbi No need to be sorry! I think it's helpful to open up an issue. The project is somewhat disorganized right now (my fault). Also I didn't realize you had contributed in the past. I think that's great.

I'm happy you're here. We have been discussing gradle 9 in the discord, and it's also come up here: #1514

I wouldn't call that well documented. I'll create a proper issue, because we do want to upgrade and I need help figuring out what would break if we suddenly made that upgrade.
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@catilac catilac reopened this Jun 30, 2026
@catilac
catilac merged commit e40819e into processing:main Jun 30, 2026
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@catilac

catilac commented Jun 30, 2026

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@letorbi merged thank you
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@letorbi

letorbi commented Jul 1, 2026

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@catilac Thank you for merging my PR. I've also subscribed to the issue you've mentioned and joined the Discord server. See you there.
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@letorbi @catilac
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