build system

Simon Peyton Jones simonpj at
Tue Jul 21 20:21:06 UTC 2015

With the new build system I get this kind of output

  HC [stage 1] compiler/stage2/build/SPARC/AddrMode.o

  HC [stage 1] compiler/stage2/build/CmmContFlowOpt.o

  HC [stage 1] compiler/stage2/build/CmmImplementSwitchPlans.o

  AR libraries/Cabal/Cabal/dist-install/build/libHSCabal-

C:\fp\HP-2014-\mingw\bin\ar.exe: creating libraries/Cabal/Cabal/dist-install/build/libHSCabal-

  LD libraries/Cabal/Cabal/dist-install/build/HSCabal-

  HC [stage 1] utils/ghc-cabal/dist-install/build/Main.o

WARNING: file compiler\specialise\Specialise.hs, line 724
But I have no idea which module caused the WARNING, nor do I have a command-line to copy/paste to reproduce it.  (With the old module-at-a-time system I could copy/paste the command line for the specific module.)
Is there a way to

*        make things sequential so I can tell which warnings from which module

*        get a command line to copy/paste to compile that module?
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