https://commits.webkit.org/252143@main ("Stop passing build settings on the command line to avoid invalidating IDE builds") broke workflows where GCC_PREPROCESSOR_ADDITIONS is set from outside of the Makefile (like in `build-jsc`).
Pull request: https://github.com/WebKit/WebKit/pull/2296
Committed 252348@main (ab59fcd01122): <https://commits.webkit.org/252348@main> Reviewed commits have been landed. Closing PR #2296 and removing active labels.
<rdar://problem/96838065>