[GHC] #10476: Wrong ar during cross-compilation

[GHC]

#10476: Wrong ar during cross-compilation
-------------------------------------+-------------------------------------
        Reporter:  jakzale           |                   Owner:  thomie
            Type:  bug               |                  Status:  new
        Priority:  low               |               Milestone:
       Component:  Build System      |                 Version:  7.11
      Resolution:                    |                Keywords:  cross-
                                     |  compiling
Operating System:  MacOS X           |            Architecture:
 Type of failure:  Building GHC      |  Unknown/Multiple
  failed                             |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:  Phab:D1231        |  Differential Revisions:
-------------------------------------+-------------------------------------

Comment (by Thomas Miedema <thomasmiedema@…>):

 In [changeset:"864a9c4f83156caacae5777b3ad6b93b4da9c242/ghc" 864a9c4/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="864a9c4f83156caacae5777b3ad6b93b4da9c242"
 Build system: remove hack for Mac OSX in configure.ac (#10476)

 Cross-compilation on Mac OSX currently doesn't work. While building
 stage 1, the build system uses the `ar` for the target architecture
 instead of the `ar` for build/host architecture.

 The cause is a hack added in 24746fe78024a1edab843bc710c79c55998ab134
 (2010), to supporting bootstrap compilers built with older versions of
 Xcode. Xcode 4.3 started installing command line tools in a different
 location. Assuming this all behind us now, and the paths didn't change
 again (you never now), we can delete the hack.

 Deleting the hack fixes the cross compilation issue. Tested by Trac user
 jakzale.

 Reviewed by: austin

 Differential Revision: https://phabricator.haskell.org/D1231
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10476#comment:9>
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