[GHC] #10973: Building git HEAD with a singe make job fails due to dependency problem

[GHC]

#10973: Building git HEAD with a singe make job fails due to dependency problem
-------------------------------------+-------------------------------------
           Reporter:  erikd          |             Owner:
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:  8.0.1
          Component:  Build System   |           Version:  7.11
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  Building GHC
  Unknown/Multiple                   |  failed
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 If I clone git HEAD and do:

 {{{
 perl boot && ./configure && make
 }}}

 The build fails with:

 {{{
 /usr/bin/ld: cannot find -lHSghc-boot-0.0.0.0
 collect2: error: ld returned 1 exit status
 }}}

 and it keeps failing if I run `make` without any `-j` option.

 Building with `make -j<N>` where `N` is 2 or more is fine.

 Looks like some sort of dependency problem.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10973>
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