[GHC] #16023: Can't bootstrap GHC HEAD with GHC 8.6 on Windows

[GHC]

#16023: Can't bootstrap GHC HEAD with GHC 8.6 on Windows
-------------------------------------+-------------------------------------
           Reporter:  bgamari        |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  highest        |         Milestone:  8.6.3
          Component:  Compiler       |           Version:  8.6.2
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 Attempting to bootstrap GHC HEAD with GHC 8.6 on Windows fails shortly
 after starting the build with
 {{{
 ...
 Configuring hsc2hs-0.68.4.1...
 "inplace/bin/ghc-cabal.exe" configure utils/gen-dll dist --with-
 ghc="/home/ben/ghc-8.6.3-amd64/bin/ghc.exe" --with-ghc-
 pkg="/home/ben/ghc-8.6.3-amd64/bin/ghc-pkg"  --packag
 e-db=C:/msys64/home/ben/ghc/libraries/bootstrapping.conf --disable-
 library-for-ghci --disable-library-vanilla --disable-library-profiling
 --disable-shared --configure-optio
 n=CFLAGS="-Wall -fno-stack-protector    -Wno-error=inline" --configure-
 option=LDFLAGS="  " --configure-option=CPPFLAGS="   " --gcc-options="-Wall
 -fno-stack-protector    -W
 no-error=inline   "   --constraint "binary == 0.8.6.0"   --constraint
 "text == 1.2.3.1"   --constraint "transformers == 0.5.5.0"   --constraint
 "mtl == 2.2.2"   --constrain
 t "parsec == 3.1.13.0"   --constraint "Cabal == 2.5.0.0"   --constraint
 "hpc == 0.6.0.3"   --constraint "ghc-boot-th == 8.7"   --constraint "ghc-
 boot == 8.7"   --constraint
  "template-haskell == 2.15.0.0"   --constraint "ghc-heap == 8.7"
 --constraint "ghci == 8.7" --with-
 gcc="C:\\msys64\\home\\ben\\ghc-8.6.3-amd64\\lib\\../mingw/bin/gcc.exe"
  --with-
 ld="C:\\msys64\\home\\ben\\ghc-8.6.3-amd64\\lib\\../mingw/bin/ld.exe"
 --with-
 ar="C:\\msys64\\home\\ben\\ghc-8.6.3-amd64\\lib\\../mingw/bin/ar.exe"
 --with-alex="\Use
 rs\ben\AppData\Roaming/cabal/bin/alex" --with-
 happy="\Users\ben\AppData\Roaming/cabal/bin/happy"
 Configuring gen-dll-0.1...
 ghc-cabal.exe: Encountered missing dependencies:
 containers ==0.5.*

 make[1]: *** [utils/gen-dll/ghc.mk:19: utils/gen-dll/dist/package-data.mk]
 Error 1
 make: *** [Makefile:124: all] Error 2


 }}}

 Given that the build succeeds when bootstrapping with GHC 8.4, I suspect
 that this is a regression in the Cabal released with 8.6.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16023>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler