Bug#952617: haskell-cmdargs: FTBFS: ln: extra operand 'debian/libghc-cmdargs-doc/usr/lib/ghc-doc/hoogle/libghc-cmdargs-doc.txt'
Lucas Nussbaum
lucas at debian.org
Wed Feb 26 16:13:47 GMT 2020
Source: haskell-cmdargs
Version: 0.10.20-2
Severity: serious
Justification: FTBFS on amd64
Tags: bullseye sid ftbfs
Usertags: ftbfs-20200225 ftbfs-bullseye
Hi,
During a rebuild of all packages in sid, your package failed to build on
amd64.
This rebuild was done by building only architecture:any binary packages
(binary-arch target of debian/rules).
Relevant part (hopefully):
> dpkg-buildpackage
> -----------------
>
> Command: dpkg-buildpackage -us -uc -b -rfakeroot
> dpkg-buildpackage: info: source package haskell-cmdargs
> dpkg-buildpackage: info: source version 0.10.20-2
> dpkg-buildpackage: info: source distribution unstable
> dpkg-buildpackage: info: source changed by Ilias Tsitsimpis <iliastsi at debian.org>
> dpkg-source --before-build .
> dpkg-buildpackage: info: host architecture amd64
> debian/rules clean
> test -x debian/rules
> dh_clean
> . /usr/share/haskell-devscripts/Dh_Haskell.sh && \
> clean_recipe
> Running rm -rf dist dist-ghc dist-ghcjs dist-hugs debian/hlibrary.setup Setup.hi Setup.ho Setup.o .\*config\*
> Running rm -f configure-ghc-stamp configure-ghcjs-stamp build-ghc-stamp build-ghcjs-stamp build-hugs-stamp build-haddock-stamp
> Running rm -rf debian/tmp-inst-ghc debian/tmp-inst-ghcjs
> Running rm -f debian/extra-depends-ghc debian/extra-depends-ghcjs
> Running rm -f debian/hlibrary.Makefile
> Running rm -rf debian/dh_haskell_shlibdeps
> Running rm -rf debian/tmp-db
> debian/rules binary
> test -x debian/rules
> dh_testroot
> dh_prep
> dh_installdirs -A
> mkdir -p "."
> CDBS WARNING: DEB_DH_STRIP_ARGS is deprecated since 0.4.85
> CDBS WARNING: DEB_COMPRESS_EXCLUDE is deprecated since 0.4.85
> . /usr/share/haskell-devscripts/Dh_Haskell.sh && \
> make_setup_recipe
> Running ghc --make Setup.hs -o debian/hlibrary.setup
> [1 of 1] Compiling Main ( Setup.hs, Setup.o )
> Linking debian/hlibrary.setup ...
> . /usr/share/haskell-devscripts/Dh_Haskell.sh && \
> configure_recipe
> Running debian/hlibrary.setup configure --ghc -v2 --package-db=/var/lib/ghc/package.conf.d --prefix=/usr --libdir=/usr/lib/haskell-packages/ghc/lib --libexecdir=/usr/lib --builddir=dist-ghc --ghc-option=-optl-Wl\,-z\,relro --haddockdir=/usr/lib/ghc-doc/haddock/cmdargs-0.10.20/ --datasubdir=cmdargs --htmldir=/usr/share/doc/libghc-cmdargs-doc/html/ --enable-library-profiling
> Using Parsec parser
> Configuring cmdargs-0.10.20...
> Flags chosen: quotation=True, testprog=False
> Dependency base >=4.4 && <5: using base-4.12.0.0
> Dependency filepath -any: using filepath-1.4.2.1
> Dependency process >=1.0: using process-1.6.5.0
> Dependency template-haskell -any: using template-haskell-2.14.0.0
> Dependency transformers >=0.2: using transformers-0.5.6.2
> Source component graph: component lib
> Configured component graph:
> component cmdargs-0.10.20-EiFbtpfcdyUCuIuL5dHJuW
> include base-4.12.0.0
> include filepath-1.4.2.1
> include process-1.6.5.0
> include template-haskell-2.14.0.0
> include transformers-0.5.6.2
> Linked component graph:
> unit cmdargs-0.10.20-EiFbtpfcdyUCuIuL5dHJuW
> include base-4.12.0.0
> include filepath-1.4.2.1
> include process-1.6.5.0
> include template-haskell-2.14.0.0
> include transformers-0.5.6.2
> System.Console.CmdArgs=cmdargs-0.10.20-EiFbtpfcdyUCuIuL5dHJuW:System.Console.CmdArgs,System.Console.CmdArgs.Annotate=cmdargs-0.10.20-EiFbtpfcdyUCuIuL5dHJuW:System.Console.CmdArgs.Annotate,System.Console.CmdArgs.Default=cmdargs-0.10.20-EiFbtpfcdyUCuIuL5dHJuW:System.Console.CmdArgs.Default,System.Console.CmdArgs.Explicit=cmdargs-0.10.20-EiFbtpfcdyUCuIuL5dHJuW:System.Console.CmdArgs.Explicit,System.Console.CmdArgs.GetOpt=cmdargs-0.10.20-EiFbtpfcdyUCuIuL5dHJuW:System.Console.CmdArgs.GetOpt,System.Console.CmdArgs.Helper=cmdargs-0.10.20-EiFbtpfcdyUCuIuL5dHJuW:System.Console.CmdArgs.Helper,System.Console.CmdArgs.Implicit=cmdargs-0.10.20-EiFbtpfcdyUCuIuL5dHJuW:System.Console.CmdArgs.Implicit,System.Console.CmdArgs.Quote=cmdargs-0.10.20-EiFbtpfcdyUCuIuL5dHJuW:System.Console.CmdArgs.Quote,System.Console.CmdArgs.Text=cmdargs-0.10.20-EiFbtpfcdyUCuIuL5dHJuW:System.Console.CmdArgs.Text,System.Console.CmdArgs.Verbosity=cmdargs-0.10.20-EiFbtpfcdyUCuIuL5dHJuW:System.Console.CmdArgs.Verbosity
> Ready component graph:
> definite cmdargs-0.10.20-EiFbtpfcdyUCuIuL5dHJuW
> depends base-4.12.0.0
> depends filepath-1.4.2.1
> depends process-1.6.5.0
> depends template-haskell-2.14.0.0
> depends transformers-0.5.6.2
> Using Cabal-2.4.0.1 compiled by ghc-8.6
> Using compiler: ghc-8.6.5
> Using install prefix: /usr
> Executables installed in: /usr/bin
> Libraries installed in:
> /usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.6.5/cmdargs-0.10.20-EiFbtpfcdyUCuIuL5dHJuW
> Dynamic Libraries installed in:
> /usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.6.5
> Private executables installed in:
> /usr/lib/x86_64-linux-ghc-8.6.5/cmdargs-0.10.20
> Data files installed in: /usr/share/cmdargs
> Documentation installed in:
> /usr/share/doc/x86_64-linux-ghc-8.6.5/cmdargs-0.10.20
> Configuration files installed in: /usr/etc
> No alex found
> Using ar found on system at: /usr/bin/x86_64-linux-gnu-ar
> No c2hs found
> No cpphs found
> No doctest found
> Using gcc version 9 found on system at: /usr/bin/x86_64-linux-gnu-gcc
> Using ghc version 8.6.5 found on system at: /usr/bin/ghc
> Using ghc-pkg version 8.6.5 found on system at: /usr/bin/ghc-pkg
> No ghcjs found
> No ghcjs-pkg found
> No greencard found
> Using haddock version 2.22.0 found on system at: /usr/bin/haddock
> No happy found
> Using haskell-suite found on system at: haskell-suite-dummy-location
> Using haskell-suite-pkg found on system at: haskell-suite-pkg-dummy-location
> No hmake found
> Using hpc version 0.67 found on system at: /usr/bin/hpc
> Using hsc2hs version 0.68.5 found on system at: /usr/bin/hsc2hs
> Using hscolour version 1.24 found on system at: /usr/bin/HsColour
> No jhc found
> Using ld found on system at: /usr/bin/x86_64-linux-gnu-ld.gold
> No pkg-config found
> Using runghc version 8.6.5 found on system at: /usr/bin/runghc
> Using strip version 2.34 found on system at: /usr/bin/strip
> Using tar found on system at: /bin/tar
> No uhc found
> touch configure-ghc-stamp
> . /usr/share/haskell-devscripts/Dh_Haskell.sh &&\
> haddock_recipe
> Running debian/hlibrary.setup haddock --builddir=dist-ghc --with-haddock=/usr/bin/haddock --with-ghc=ghc --verbose=2 --html --hoogle --haddock-options=\"--mathjax=file:///usr/share/javascript/mathjax/MathJax.js\" --hyperlink-source
> /usr/bin/haddock --version
> /usr/bin/ghc --numeric-version
> /usr/bin/haddock --ghc-version '--mathjax=file:///usr/share/javascript/mathjax/MathJax.js'
> /usr/bin/ghc --print-libdir
> /usr/bin/ghc-pkg init dist-ghc/package.conf.inplace
> creating dist-ghc/build
> creating dist-ghc/build/autogen
> creating dist-ghc/build/autogen
> Preprocessing library for cmdargs-0.10.20..
> Running Haddock on library for cmdargs-0.10.20..
> creating dist-ghc/doc/html/cmdargs
> creating dist-ghc/doc/html
> creating dist-ghc/doc
> creating dist-ghc/doc/html
> creating dist-ghc/doc/html/cmdargs
> /usr/bin/haddock '@dist-ghc/doc/html/cmdargs/haddock-response914-3.txt' '--mathjax=file:///usr/share/javascript/mathjax/MathJax.js'
> Warning: --source-* options are ignored when --hyperlinked-source is enabled.
> Haddock coverage:
> 100% ( 17 / 17) in 'System.Console.CmdArgs.Annotate'
> 100% ( 2 / 2) in 'System.Console.CmdArgs.Default'
> Warning: 'getArgs' is out of scope.
> If you qualify the identifier, haddock can try to link it
> it anyway.
> Warning: 'helpText' is out of scope.
> If you qualify the identifier, haddock can try to link it
> it anyway.
> Warning: 'expandArgsAt' is out of scope.
> If you qualify the identifier, haddock can try to link it
> it anyway.
> 100% ( 8 / 8) in 'System.Console.CmdArgs.Helper'
> Warning: 'flag' is out of scope.
> If you qualify the identifier, haddock can try to link it
> it anyway.
> 100% ( 5 / 5) in 'System.Console.CmdArgs.Text'
> 100% ( 8 / 8) in 'System.Console.CmdArgs.Verbosity'
> 100% ( 48 / 48) in 'System.Console.CmdArgs.Explicit'
> Warning: 'process' is out of scope.
> If you qualify the identifier, haddock can try to link it
> it anyway.
> 100% ( 50 / 50) in 'System.Console.CmdArgs.Implicit'
> 100% ( 9 / 9) in 'System.Console.CmdArgs.Quote'
> 100% ( 2 / 2) in 'System.Console.CmdArgs'
> 100% ( 8 / 8) in 'System.Console.CmdArgs.GetOpt'
> Warning: System.Console.CmdArgs.Implicit: could not find link destinations for:
> CmdArgsPrivate typeRep#
> Documentation created: dist-ghc/doc/html/cmdargs/index.html,
> dist-ghc/doc/html/cmdargs/cmdargs.txt
> creating dist-ghc/doc/html/cmdargs
> Installing README.md to dist-ghc/doc/html/cmdargs/README.md
> creating dist-ghc/doc/html/cmdargs
> Installing CHANGES.txt to dist-ghc/doc/html/cmdargs/CHANGES.txt
> touch build-haddock-stamp
> Adding cdbs dependencies to debian/libghc-cmdargs-doc.substvars
> dh_installdirs -plibghc-cmdargs-doc \
>
> . /usr/share/haskell-devscripts/Dh_Haskell.sh && \
> build_recipe
> Running debian/hlibrary.setup build --builddir=dist-ghc
> Preprocessing library for cmdargs-0.10.20..
> Building library for cmdargs-0.10.20..
> [ 1 of 25] Compiling Data.Generics.Any ( Data/Generics/Any.hs, dist-ghc/build/Data/Generics/Any.o )
> [ 2 of 25] Compiling Data.Generics.Any.Prelude ( Data/Generics/Any/Prelude.hs, dist-ghc/build/Data/Generics/Any/Prelude.o )
> [ 3 of 25] Compiling System.Console.CmdArgs.Annotate ( System/Console/CmdArgs/Annotate.hs, dist-ghc/build/System/Console/CmdArgs/Annotate.o )
> [ 4 of 25] Compiling System.Console.CmdArgs.Default ( System/Console/CmdArgs/Default.hs, dist-ghc/build/System/Console/CmdArgs/Default.o )
> [ 5 of 25] Compiling System.Console.CmdArgs.Explicit.ExpandArgsAt ( System/Console/CmdArgs/Explicit/ExpandArgsAt.hs, dist-ghc/build/System/Console/CmdArgs/Explicit/ExpandArgsAt.o )
> [ 6 of 25] Compiling System.Console.CmdArgs.Explicit.SplitJoin ( System/Console/CmdArgs/Explicit/SplitJoin.hs, dist-ghc/build/System/Console/CmdArgs/Explicit/SplitJoin.o )
> [ 7 of 25] Compiling System.Console.CmdArgs.Explicit.Type ( System/Console/CmdArgs/Explicit/Type.hs, dist-ghc/build/System/Console/CmdArgs/Explicit/Type.o )
> [ 8 of 25] Compiling System.Console.CmdArgs.Explicit.Process ( System/Console/CmdArgs/Explicit/Process.hs, dist-ghc/build/System/Console/CmdArgs/Explicit/Process.o )
> [ 9 of 25] Compiling System.Console.CmdArgs.Explicit.Complete ( System/Console/CmdArgs/Explicit/Complete.hs, dist-ghc/build/System/Console/CmdArgs/Explicit/Complete.o )
> [10 of 25] Compiling System.Console.CmdArgs.Helper ( System/Console/CmdArgs/Helper.hs, dist-ghc/build/System/Console/CmdArgs/Helper.o )
> [11 of 25] Compiling System.Console.CmdArgs.Implicit.Ann ( System/Console/CmdArgs/Implicit/Ann.hs, dist-ghc/build/System/Console/CmdArgs/Implicit/Ann.o )
> [12 of 25] Compiling System.Console.CmdArgs.Implicit.UI ( System/Console/CmdArgs/Implicit/UI.hs, dist-ghc/build/System/Console/CmdArgs/Implicit/UI.o )
> [13 of 25] Compiling System.Console.CmdArgs.Text ( System/Console/CmdArgs/Text.hs, dist-ghc/build/System/Console/CmdArgs/Text.o )
> [14 of 25] Compiling System.Console.CmdArgs.Explicit.Help ( System/Console/CmdArgs/Explicit/Help.hs, dist-ghc/build/System/Console/CmdArgs/Explicit/Help.o )
> [15 of 25] Compiling System.Console.CmdArgs.Verbosity ( System/Console/CmdArgs/Verbosity.hs, dist-ghc/build/System/Console/CmdArgs/Verbosity.o )
> [16 of 25] Compiling System.Console.CmdArgs.Implicit.Type ( System/Console/CmdArgs/Implicit/Type.hs, dist-ghc/build/System/Console/CmdArgs/Implicit/Type.o )
> [17 of 25] Compiling System.Console.CmdArgs.Explicit ( System/Console/CmdArgs/Explicit.hs, dist-ghc/build/System/Console/CmdArgs/Explicit.o )
> [18 of 25] Compiling System.Console.CmdArgs.Implicit.Reader ( System/Console/CmdArgs/Implicit/Reader.hs, dist-ghc/build/System/Console/CmdArgs/Implicit/Reader.o )
> [19 of 25] Compiling System.Console.CmdArgs.Implicit.Local ( System/Console/CmdArgs/Implicit/Local.hs, dist-ghc/build/System/Console/CmdArgs/Implicit/Local.o )
> [20 of 25] Compiling System.Console.CmdArgs.Implicit.Reform ( System/Console/CmdArgs/Implicit/Reform.hs, dist-ghc/build/System/Console/CmdArgs/Implicit/Reform.o )
> [21 of 25] Compiling System.Console.CmdArgs.Implicit.Global ( System/Console/CmdArgs/Implicit/Global.hs, dist-ghc/build/System/Console/CmdArgs/Implicit/Global.o )
> [22 of 25] Compiling System.Console.CmdArgs.Implicit ( System/Console/CmdArgs/Implicit.hs, dist-ghc/build/System/Console/CmdArgs/Implicit.o )
> [23 of 25] Compiling System.Console.CmdArgs.Quote ( System/Console/CmdArgs/Quote.hs, dist-ghc/build/System/Console/CmdArgs/Quote.o )
> [24 of 25] Compiling System.Console.CmdArgs ( System/Console/CmdArgs.hs, dist-ghc/build/System/Console/CmdArgs.o )
> [25 of 25] Compiling System.Console.CmdArgs.GetOpt ( System/Console/CmdArgs/GetOpt.hs, dist-ghc/build/System/Console/CmdArgs/GetOpt.o )
> [ 1 of 25] Compiling Data.Generics.Any ( Data/Generics/Any.hs, dist-ghc/build/Data/Generics/Any.p_o )
> [ 2 of 25] Compiling Data.Generics.Any.Prelude ( Data/Generics/Any/Prelude.hs, dist-ghc/build/Data/Generics/Any/Prelude.p_o )
> [ 3 of 25] Compiling System.Console.CmdArgs.Annotate ( System/Console/CmdArgs/Annotate.hs, dist-ghc/build/System/Console/CmdArgs/Annotate.p_o )
> [ 4 of 25] Compiling System.Console.CmdArgs.Default ( System/Console/CmdArgs/Default.hs, dist-ghc/build/System/Console/CmdArgs/Default.p_o )
> [ 5 of 25] Compiling System.Console.CmdArgs.Explicit.ExpandArgsAt ( System/Console/CmdArgs/Explicit/ExpandArgsAt.hs, dist-ghc/build/System/Console/CmdArgs/Explicit/ExpandArgsAt.p_o )
> [ 6 of 25] Compiling System.Console.CmdArgs.Explicit.SplitJoin ( System/Console/CmdArgs/Explicit/SplitJoin.hs, dist-ghc/build/System/Console/CmdArgs/Explicit/SplitJoin.p_o )
> [ 7 of 25] Compiling System.Console.CmdArgs.Explicit.Type ( System/Console/CmdArgs/Explicit/Type.hs, dist-ghc/build/System/Console/CmdArgs/Explicit/Type.p_o )
> [ 8 of 25] Compiling System.Console.CmdArgs.Explicit.Process ( System/Console/CmdArgs/Explicit/Process.hs, dist-ghc/build/System/Console/CmdArgs/Explicit/Process.p_o )
> [ 9 of 25] Compiling System.Console.CmdArgs.Explicit.Complete ( System/Console/CmdArgs/Explicit/Complete.hs, dist-ghc/build/System/Console/CmdArgs/Explicit/Complete.p_o )
> [10 of 25] Compiling System.Console.CmdArgs.Helper ( System/Console/CmdArgs/Helper.hs, dist-ghc/build/System/Console/CmdArgs/Helper.p_o )
> [11 of 25] Compiling System.Console.CmdArgs.Implicit.Ann ( System/Console/CmdArgs/Implicit/Ann.hs, dist-ghc/build/System/Console/CmdArgs/Implicit/Ann.p_o )
> [12 of 25] Compiling System.Console.CmdArgs.Implicit.UI ( System/Console/CmdArgs/Implicit/UI.hs, dist-ghc/build/System/Console/CmdArgs/Implicit/UI.p_o )
> [13 of 25] Compiling System.Console.CmdArgs.Text ( System/Console/CmdArgs/Text.hs, dist-ghc/build/System/Console/CmdArgs/Text.p_o )
> [14 of 25] Compiling System.Console.CmdArgs.Explicit.Help ( System/Console/CmdArgs/Explicit/Help.hs, dist-ghc/build/System/Console/CmdArgs/Explicit/Help.p_o )
> [15 of 25] Compiling System.Console.CmdArgs.Verbosity ( System/Console/CmdArgs/Verbosity.hs, dist-ghc/build/System/Console/CmdArgs/Verbosity.p_o )
> [16 of 25] Compiling System.Console.CmdArgs.Implicit.Type ( System/Console/CmdArgs/Implicit/Type.hs, dist-ghc/build/System/Console/CmdArgs/Implicit/Type.p_o )
> [17 of 25] Compiling System.Console.CmdArgs.Explicit ( System/Console/CmdArgs/Explicit.hs, dist-ghc/build/System/Console/CmdArgs/Explicit.p_o )
> [18 of 25] Compiling System.Console.CmdArgs.Implicit.Reader ( System/Console/CmdArgs/Implicit/Reader.hs, dist-ghc/build/System/Console/CmdArgs/Implicit/Reader.p_o )
> [19 of 25] Compiling System.Console.CmdArgs.Implicit.Local ( System/Console/CmdArgs/Implicit/Local.hs, dist-ghc/build/System/Console/CmdArgs/Implicit/Local.p_o )
> [20 of 25] Compiling System.Console.CmdArgs.Implicit.Reform ( System/Console/CmdArgs/Implicit/Reform.hs, dist-ghc/build/System/Console/CmdArgs/Implicit/Reform.p_o )
> [21 of 25] Compiling System.Console.CmdArgs.Implicit.Global ( System/Console/CmdArgs/Implicit/Global.hs, dist-ghc/build/System/Console/CmdArgs/Implicit/Global.p_o )
> [22 of 25] Compiling System.Console.CmdArgs.Implicit ( System/Console/CmdArgs/Implicit.hs, dist-ghc/build/System/Console/CmdArgs/Implicit.p_o )
> [23 of 25] Compiling System.Console.CmdArgs.Quote ( System/Console/CmdArgs/Quote.hs, dist-ghc/build/System/Console/CmdArgs/Quote.p_o )
> [24 of 25] Compiling System.Console.CmdArgs ( System/Console/CmdArgs.hs, dist-ghc/build/System/Console/CmdArgs.p_o )
> [25 of 25] Compiling System.Console.CmdArgs.GetOpt ( System/Console/CmdArgs/GetOpt.hs, dist-ghc/build/System/Console/CmdArgs/GetOpt.p_o )
> touch build-ghc-stamp
> debian/hlibrary.setup copy --builddir=dist-ghc --destdir=debian/tmp-inst-ghc
> Installing library in debian/tmp-inst-ghc/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.6.5/cmdargs-0.10.20-EiFbtpfcdyUCuIuL5dHJuW
> . /usr/share/haskell-devscripts/Dh_Haskell.sh && \
> extra_depends_recipe ghc
> Running dh_haskell_extra_depends ghc cmdargs-0.10.20.conf
> . /usr/share/haskell-devscripts/Dh_Haskell.sh && \
> install_doc_recipe "libghc-cmdargs-doc"
> Running mkdir -p debian/libghc-cmdargs-doc/usr/share/doc/libghc-cmdargs-doc/html/
> Running cd debian/tmp-inst-ghc/
> Running find ./usr/share/doc/libghc-cmdargs-doc/html/ \! -name \*.haddock \! -type d -exec install -Dm 644 \{\} ../libghc-cmdargs-doc/\{\} \;
> Running mkdir -p debian/libghc-cmdargs-doc/usr/lib/ghc-doc/haddock/cmdargs-0.10.20/
> Running cp -r debian/tmp-inst-ghc/usr/lib/ghc-doc/haddock/cmdargs-0.10.20//cmdargs.haddock debian/libghc-cmdargs-doc/usr/lib/ghc-doc/haddock/cmdargs-0.10.20/
> Running mkdir -p debian/libghc-cmdargs-doc/usr/lib/ghc-doc/hoogle
> Running ln -rs -T debian/libghc-cmdargs-doc/usr/share/doc/libghc-cmdargs-doc/html/CHANGES.txt debian/libghc-cmdargs-doc/usr/share/doc/libghc-cmdargs-doc/html/cmdargs.txt debian/libghc-cmdargs-doc/usr/lib/ghc-doc/hoogle/libghc-cmdargs-doc.txt
> ln: extra operand 'debian/libghc-cmdargs-doc/usr/lib/ghc-doc/hoogle/libghc-cmdargs-doc.txt'
> Try 'ln --help' for more information.
> make: *** [/usr/share/cdbs/1/class/hlibrary.mk:220: install/libghc-cmdargs-doc] Error 1
The full build log is available from:
http://qa-logs.debian.net/2020/02/25/haskell-cmdargs_0.10.20-2_unstable.log
A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!
About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.
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