Opened 7 days ago

Last modified 24 hours ago

#19937 assigned enhancement

Update macOS build process

Reported by: Stereo Owned by: Don-vip
Priority: normal Milestone: 20.10
Component: Installer MacOS Version:
Keywords: Cc:

Description (last modified by Stereo)

Hi, describes the changes required to get actual macOS releases built on GitHub Actions. is the machine-readable diff.

Because the tests are currently failing, the action has been configured to only run on macos, and to build automatically instead of waiting for the tests to fail. has a few test releases. If the build number isn't the same as tested, the releases get marked as pre-releases.

The next step will be to trigger some kind of update on the main wiki page when a release is actually built.

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Change History (13)

comment:1 Changed 7 days ago by Stereo

Description: modified (diff)

comment:2 Changed 7 days ago by Stereo

On linking to the latest release: according to we can just link to

The nightlies download page can just link to all releases at to also show the ones classified as prerelease.

Last edited 3 days ago by Stereo (previous) (diff)

comment:3 Changed 3 days ago by Don-vip

In 17236/josm:

see #19937 - Update macOS build process (patch by Stereo, modified)

See See

comment:4 Changed 3 days ago by simon04

@Stereo, big thanks for taking care of the macOS build process!

comment:5 Changed 3 days ago by Stereo

Just scratching my own itch :).

As @Don-vip has pointed out, Java 14 is actually not supported anymore already. Before this can really be used for releases, we'll have to get Java 15 builds going. My previous attempts have been abominable failures:

comment:6 Changed 3 days ago by Don-vip

In 17239/josm:

see #19937 - Fix building on java 15. Disable java 14 fully, 16-ea for macOS (patch by Stereo)


comment:7 Changed 2 days ago by Stereo

Almost there! Java 15's jpackage has removed a dylib, and codesign fails on that.

Would it please be possible to delete line 73 of native/macosx/ Where it says:

app/ \

and then because I messed up the path, in .github/workflows/ant.yml update line 140 near the bottom from:

asset_path: app/josm-custom.jar


asset_path: dist/josm-custom.jar

Last edited 2 days ago by Stereo (previous) (diff)

comment:8 Changed 2 days ago by Don-vip

In 17244/josm:

see #19937 - Update macOS build process (patch by Stereo)

comment:9 Changed 2 days ago by Don-vip

Milestone: 20.10
Owner: changed from team to Don-vip
Status: newassigned

comment:10 Changed 44 hours ago by Stereo now contains a macOS app on every build. Thank you all! I'll ask people to test it to find any eventual bugs before 20.10.

comment:11 Changed 29 hours ago by Don-vip

I see only Java 15 builds, we need also to ship LTS builds (8 and 11). Also 16-ea would be very useful to test Java bugfixes.

comment:12 Changed 26 hours ago by Stereo

Since jpackager only supports 14 and up, I had no plans to do that. If someone really wants to build for Java 8 or 11 (why?), I guess they can use the legacy build process?

Noted for 16.

comment:13 in reply to:  12 Changed 24 hours ago by Don-vip

Replying to Stereo:

Since jpackager only supports 14 and up

I forgot about that, you're right. So we'll start to provide LTS builds this way with Java 17 then.

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