System-wide installed profile build cannot load libHSghc-prim.0.5.2.0.so

Steps to reproduce:

1. Make a pristine git checkout
2. Follow the steps outlined in https://ghc.haskell.org/trac/ghc/wiki/Building/QuickStart, uncommenting the BuildFlavour = prof line in build.mk, to build and install ghc.
3. Check ghc version to verify that this ghc build is the one in /usr/local/bin
4. Try to compile the following hello.hs:

{-# LANGUAGE TemplateHaskell #-}

import Language.Haskell.TH

main = putStrLn $(litE (stringL "Hello"))

It should fail with an error message similar to:

<no location info>: error:
    ghc: panic! (the 'impossible' happened)
  (GHC version 8.3.20171120 for x86_64-unknown-linux):
	Dynamic linker not initialised
CallStack (from -prof):
  Linker.CAF (<entire-module>)

Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug

and:

<no location info>: error:
    <command line>: can't load .so/.DLL for: libHSghc-prim-0.5.2.0.so (libHSghc-prim-0.5.2.0.so: cannot open shared object file: No such file or directory)

By contrast, the following do *not* trigger the error:

• Building GHC without uncommenting the BuildFlavour line in build.mk
• Compiling with the inplace/bin/ghc-stage2 in the GHC source tree
• Compiling a hello.hs that does not use TemplateHaskell

Further system info:

• Debian 9
• Cabal version 1.24
• GHC 8.0.1

Trac metadata

Trac field	Value
Version	8.3
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Build System
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