[GHC] #11586: GHC 8.0 can't be bootstrapped with GHC 8.0

[GHC]

#11586: GHC 8.0 can't be bootstrapped with GHC 8.0
-------------------------------------+-------------------------------------
           Reporter:  bgamari        |             Owner:
               Type:  bug            |            Status:  new
           Priority:  highest        |         Milestone:  8.0.1
          Component:  Build System   |           Version:  7.10.3
           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:
-------------------------------------+-------------------------------------
 It seems that GHC 8.0 can't bootstrap itself. With a clean `ghc-8.0` tree
 and `ghc` from the 8.0.1-rc2 release in `PATH` on x86-64 Debian things
 fall apart quite quickly,
 {{{
 $ ghc -V
 The Glorious Glasgow Haskell Compilation System, version 8.0.0.20160204
 $ ./boot
 $ ./configure
 $ make -j2
 + test -f mk/config.mk.old
 + cmp -s mk/config.mk mk/config.mk.old
 + cp -p mk/config.mk mk/config.mk.old
 touch -r mk/config.mk.old mk/config.mk
 + test -f mk/project.mk.old
 + cmp -s mk/project.mk mk/project.mk.old
 touch -r mk/project.mk.old mk/project.mk
 + test -f compiler/ghc.cabal.old
 + cmp -s compiler/ghc.cabal compiler/ghc.cabal.old
 touch -r compiler/ghc.cabal.old compiler/ghc.cabal
 ===--- building phase 0
 make --no-print-directory -f ghc.mk phase=0 phase_0_builds
 "rm" -f compiler/stage1/build/Config.hs
 "inplace/bin/ghc-cabal" configure libraries/ghc-boot dist-boot "" --with-
 ghc="/opt/exp/ghc/roots/8.0.1-rc2/bin/ghc" --with-ghc-
 pkg="/opt/exp/ghc/roots/8.0.1-rc2/bin/ghc-pkg"  --package-
 db=/opt/exp/ghc/ghc-8.0/libraries/bootstrapping.conf --disable-library-
 for-ghci --enable-library-vanilla --disable-library-profiling --disable-
 shared --with-hscolour="/home/ben/.cabal/bin/HsColour" --configure-
 option=CFLAGS="-Wall -fno-stack-protector    -Werror=unused-but-set-
 variable -Wno-error=inline" --configure-option=LDFLAGS="  " --configure-
 option=CPPFLAGS="   " --gcc-options="-Wall -fno-stack-protector    -Werror
 =unused-but-set-variable -Wno-error=inline   "   --constraint "binary ==
 0.8.2.0"   --constraint "Cabal == 1.23.1.0"   --constraint "hpc ==
 0.6.0.3"   --constraint "ghc-boot == 8.0.0.20160211"   --constraint "hoopl
 == 3.10.2.1"   --constraint "transformers == 0.5.1.0"   --constraint
 "template-haskell == 2.11.0.0"   --constraint "terminfo == 0.4.0.2"
 --with-gcc="/usr/bin/gcc" --with-ar="/usr/bin/ar" --with-
 alex="/home/ben/.cabal/bin/alex" --with-happy="/home/ben/.cabal/bin/happy"
 Creating compiler/stage1/build/Config.hs ...
 Configuring ghc-boot-8.0.0.20160211...
 done.
 ghc-cabal: ghc-pkg dump failed
 libraries/ghc-boot/ghc.mk:3: recipe for target 'libraries/ghc-boot/dist-
 boot/package-data.mk' failed
 make[1]: *** [libraries/ghc-boot/dist-boot/package-data.mk] Error 1
 Makefile:129: recipe for target 'all' failed
 make: *** [all] Error 2
 }}}

 In particular the failing command is
 {{{
 $ /opt/exp/ghc/roots/8.0.1-rc2/bin/ghc-pkg dump --package-
 db=/opt/exp/ghc/ghc-8.0/libraries/bootstrapping.conf -v2
 GHC package manager version 8.0.0.20160204
 Timestamp 2016-02-12 09:21:06.076187903 UTC for
 /opt/exp/ghc/ghc-8.0/libraries/bootstrapping.conf/package.cache
 Timestamp 2016-02-12 09:21:06.076187903 UTC for
 /opt/exp/ghc/ghc-8.0/libraries/bootstrapping.conf (same as cache)
 using cache:
 /opt/exp/ghc/ghc-8.0/libraries/bootstrapping.conf/package.cache
 ghc-pkg: /opt/exp/ghc/ghc-8.0/libraries/bootstrapping.conf/package.cache:
 GHC.PackageDb.readPackageDb: inappropriate type (Not a valid Unicode code
 point!)
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11586>
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