[Webkit-unassigned] [Bug 189274] New: JSC Build error when changing CPU type: offlineasm: No magic values found. Skipping assembly file generation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=189274

            Bug ID: 189274
           Summary: JSC Build error when changing CPU type: offlineasm: No
                    magic values found. Skipping assembly file generation
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: msaboff at apple.com

If you successfully build JSC with:
$ Tools/Scripts/build-jsc --debug
and then try building with:
Tools/Scripts/build-jsc --debug ARCHS=i386
you'll get

offlineasm: No magic values found. Skipping assembly file generation.
Command /bin/sh failed with exit code 1

This is due to the build dependency checking seeing the derived file LLIntDesiredOffsets.h from the prior build and not generating one for the current architecture.

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