InstallAPI's default behavior can fail by finding stale headers left in the products directory by an old build. We should adopt SRCROOT-style tapi to avoid this class of build breakage.
<rdar://problem/104501826>
Pull request: https://github.com/WebKit/WebKit/pull/9559
Committed 260390@main (76096b8d08bc): <https://commits.webkit.org/260390@main> Reviewed commits have been landed. Closing PR #9559 and removing active labels.
Committed 260408@main (1d1fa308c78b): <https://commits.webkit.org/260408@main> Reviewed commits have been landed. Closing PR #10243 and removing active labels.
Re-opening for pull request https://github.com/WebKit/WebKit/pull/10312
Committed 260548@main (8cd33528ad54): <https://commits.webkit.org/260548@main> Reviewed commits have been landed. Closing PR #10312 and removing active labels.