HEAD: Build failure in ghc-prim

Building GHC at changeset:21efbc75 I see the following message:

checking whether GCC supports __atomic_ builtins... no
configure: creating ./config.status
config.status: error: cannot find input file: `ghc-prim.buildinfo.in'
libraries/ghc-prim/ghc.mk:4: recipe for target 'libraries/ghc-prim/dist-install/package-data.mk' failed

And indeed there is no file ghc-prim.buildinfo.in in libraries/ghc-prim. There is no 8.7 for version so I am leaving it empty.

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Trac field	Value
Version
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
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HEAD: Build failure in ghc-prim