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Set lto = "thin" for metadata build to fix linkme on macOS #1200

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merged 3 commits into from
Jul 24, 2023

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@ascjones ascjones commented Jul 6, 2023

use-ink/ink#1827 uses linkme to collect events from external crates. However there is a known issue on macOS which can cause some events from external crates not to be added to the ink_metadata::EVENTS distributed slice.

This PR attempts to fix this by setting lto = "thin" for the release target when building the metadata.

Notes:

  • any user supplied value of lto in profile.release will override this default value
  • I have made the fields and types of Profile public so that these can be set upon construction of the Profile
  • I have made the fields of Profile all optional, so that if not set then the default cargo profile settings will be used, see https://doc.rust-lang.org/cargo/reference/profiles.html#default-profiles

@ascjones ascjones mentioned this pull request Jul 6, 2023
@ascjones ascjones merged commit 96092f5 into master Jul 24, 2023
@ascjones ascjones deleted the aj/events2-linking branch July 24, 2023 14:25
This was referenced Jul 26, 2023
@smiasojed smiasojed mentioned this pull request Mar 4, 2024
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2 participants