[GHC] #14512: System-wide installed profile build cannot load libHSghc-prim.0.5.2.0.so

[GHC]

#14512: System-wide installed profile build cannot load libHSghc-prim.0.5.2.0.so
-------------------------------------+-------------------------------------
           Reporter:  tdammers       |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Build System   |           Version:  8.3
           Keywords:                 |  Operating System:  Linux
       Architecture:  x86_64         |   Type of failure:  Compile-time
  (amd64)                            |  crash or panic
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 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`:

 {{{#!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

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14512>
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