[webkit-dev] Build issues due to anonymous namespace

Filip Pizlo fpizlo at apple.com
Sun Dec 3 08:52:22 PST 2017

Maybe just give that DestroyFunc a more unique name like JSSegmentedVariableObjectDestroyFunc. Cc me on such a patch and I’ll happily review it. 


> On Dec 3, 2017, at 8:44 AM, Caio Lima <ticaiolima at gmail.com> wrote:
> Hi guys. I'm working in a Patch that is adding some files to JSC and I faced following issue:
> ./runtime/JSStringHeapCellType.cpp:36:8: error: redefinition of 'DestroyFunc'
> ...
> In file included from /Users/caiolima/open_projects/WebKit/WebKitBuild/Debug/DerivedSources/JavaScriptCore/unified-sources/UnifiedSource109.cpp:1:
> ./runtime/JSSegmentedVariableObjectHeapCellType.cpp:36:8: note: previous definition is here
> That is my UnifiedSource109.cpp content:
> #include "runtime/JSSegmentedVariableObjectHeapCellType.cpp"
> #include "runtime/JSSet.cpp"
> #include "runtime/JSSetIterator.cpp"
> #include "runtime/JSSourceCode.cpp"
> #include "runtime/JSString.cpp"
> #include "runtime/JSStringHeapCellType.cpp"
> #include "runtime/JSStringIterator.cpp"
> #include "runtime/JSStringJoiner.cpp"
> So, I tried to use "namespace FILENAME" magic, but it doesn't seem working, mainly because there is no other file using it. 
> What are the actions do I need to take in such case to fix it properly?
> Regards,
> Caio.
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