[GHC] #10374: Can't build GHC with a dynamic only GHC installation

[GHC]

#10374: Can't build GHC with a dynamic only GHC installation
-------------------------------------+-------------------------------------
              Reporter:  jessicah    |             Owner:
                  Type:  bug         |            Status:  new
              Priority:  normal      |         Milestone:
             Component:  Build       |           Version:  7.10.1
  System                             |  Operating System:  Unknown/Multiple
              Keywords:              |   Type of failure:  Building GHC
          Architecture:              |  failed
  Unknown/Multiple                   |        Blocked By:
             Test Case:              |   Related Tickets:
              Blocking:              |
Differential Revisions:              |
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 When an installation of GHC doesn't include the vanilla "way", GHC cannot
 be built from this existing installation of GHC.

 E.g. using the following mk/build.mk:
 {{{
     V = 0
     GhcLibWays = dyn
     SRC_HC_OPTS = -O -H64m
     GhcStage1HcOpts = -O -fasm
     GhcStage2HcOpts = -O2 -fasm
     GhcHcOpts = -Rghc-timing
     GhcLibHcOpts = -O2

     DYNAMIC_BY_DEFAULT = YES

     NoFibWays =
     STRIP_CMD = :
 }}}

 Steps to reproduce:
 1. build & install GHC using above configuration
 2. rebuild GHC using above configuration, --with-ghc pointing to the
 installation created in step 1

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10374>
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