Re: [GHC] #910: --make should have a -j flag for parallel building

#910: --make should have a -j flag for parallel building -------------------------------------+------------------------------------- Reporter: igloo | Owner: Type: feature request | Status: closed Priority: normal | Milestone: ⊥ Component: Compiler | Version: 6.4.2 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: N/A Blocked By: 8184, 8235 | Blocking: Related Tickets: #9221 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by rrnewton): I want to raise one more issue on this topic. Nowadays most people implicitly call ghc under layers of tooling (stack, cabal, ghc-mod, haskell-mode, etc). For example, with stack, at this particular moment in time I can't find a place to stick `-j3` such that all my builds on a machine will see it. This question of internal parallelism is an internal implementation issue, and shouldn't change semantics. Thus I think it would be safe for it to be optionally controlled by an environment variable. If I could just set "GHC_MAKE_CORES=3" on a given system, then I could get the desired behavior irrespective of what tools I'm using on top of GHC. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/910#comment:63 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
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