* Package:    dev-haskell/stringbuilder-0.5.0
 * Repository: gentoo
 * Maintainer: haskell@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc hscolour kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking stringbuilder-0.5.0.tar.gz to /var/tmp/portage/dev-haskell/stringbuilder-0.5.0/work
>>> Source unpacked in /var/tmp/portage/dev-haskell/stringbuilder-0.5.0/work
>>> Preparing source in /var/tmp/portage/dev-haskell/stringbuilder-0.5.0/work/stringbuilder-0.5.0 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-haskell/stringbuilder-0.5.0/work/stringbuilder-0.5.0 ...
 * Using cabal-3.0.1.0.
 * Prepending /usr/lib64/ghc-8.8.4 to LD_LIBRARY_PATH
/usr/bin/ghc -package Cabal-3.0.1.0 --make /var/tmp/portage/dev-haskell/stringbuilder-0.5.0/work/stringbuilder-0.5.0/Setup.lhs -j1 +RTS -A256M -qb0 -RTS -threaded -dynamic -o setup
[1 of 1] Compiling Main             ( /var/tmp/portage/dev-haskell/stringbuilder-0.5.0/work/stringbuilder-0.5.0/Setup.lhs, /var/tmp/portage/dev-haskell/stringbuilder-0.5.0/work/stringbuilder-0.5.0/Setup.o )
Linking setup ...
./setup configure --ghc --prefix=/usr --with-compiler=/usr/bin/ghc --with-hc-pkg=/usr/bin/ghc-pkg --prefix=/usr --libdir=/usr/lib64 --libsubdir=stringbuilder-0.5.0/ghc-8.8.4 --datadir=/usr/share/ --datasubdir=stringbuilder-0.5.0/ghc-8.8.4 --disable-tests --ghc-options=-j1 +RTS -A256M -qb0 -RTS --with-ar=x86_64-pc-linux-gnu-ar --ghc-option=-optc-O2 --ghc-option=-optc-pipe --ghc-option=-optc-march=native --ghc-option=-optc-fno-diagnostics-color --ghc-option=-optl-Wl,-O1 --ghc-option=-optl-Wl,--as-needed --ghc-option=-optl-Wl,--defsym=__gentoo_check_ldflags__=0 --disable-executable-stripping --docdir=/usr/share/doc/stringbuilder-0.5.0 --verbose --enable-shared --enable-executable-dynamic --sysconfdir=/etc --disable-library-stripping
Using Parsec parser
Configuring stringbuilder-0.5.0...
Dependency base ==4.*: using base-4.13.0.0
Source component graph: component lib
Configured component graph:
    component stringbuilder-0.5.0-6O48eRV7wZiBIoO7XkoKbF
        include base-4.13.0.0
Linked component graph:
    unit stringbuilder-0.5.0-6O48eRV7wZiBIoO7XkoKbF
        include base-4.13.0.0
        Data.String.Builder=stringbuilder-0.5.0-6O48eRV7wZiBIoO7XkoKbF:Data.String.Builder
Ready component graph:
    definite stringbuilder-0.5.0-6O48eRV7wZiBIoO7XkoKbF
        depends base-4.13.0.0
Using Cabal-3.0.1.0 compiled by ghc-8.8
Using compiler: ghc-8.8.4
Using install prefix: /usr
Executables installed in: /usr/bin
Libraries installed in: /usr/lib64/stringbuilder-0.5.0/ghc-8.8.4
Dynamic Libraries installed in: /usr/lib64/x86_64-linux-ghc-8.8.4
Private executables installed in:
/usr/libexec/x86_64-linux-ghc-8.8.4/stringbuilder-0.5.0
Data files installed in: /usr/share/stringbuilder-0.5.0/ghc-8.8.4
Documentation installed in: /usr/share/doc/stringbuilder-0.5.0
Configuration files installed in: /etc
Using alex version 3.2.5 found on system at: /usr/bin/alex
Using ar given by user at: /usr/bin/x86_64-pc-linux-gnu-ar
Using c2hs version 0.28.6 found on system at: /usr/bin/c2hs
No cpphs found
No doctest found
Using gcc version 10.2.0 found on system at: /usr/bin/x86_64-pc-linux-gnu-gcc
Using ghc version 8.8.4 given by user at: /usr/bin/ghc
Using ghc-pkg version 8.8.4 given by user at: /usr/bin/ghc-pkg
No ghcjs found
No ghcjs-pkg found
No greencard found
Using haddock version 2.23.0 found on system at: /usr/bin/haddock-ghc-8.8.4
Using happy version 1.19.12 found on system at: /usr/bin/happy
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 0.68.7 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-pc-linux-gnu-ld
Using pkg-config version 1.7.3 found on system at: /usr/bin/pkg-config
Using runghc version 8.8.4 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
>>> Source configured.
>>> Compiling source in /var/tmp/portage/dev-haskell/stringbuilder-0.5.0/work/stringbuilder-0.5.0 ...
./setup build
Preprocessing library for stringbuilder-0.5.0..
Building library for stringbuilder-0.5.0..
[1 of 1] Compiling Data.String.Builder ( src/Data/String/Builder.hs, dist/build/Data/String/Builder.o )

src/Data/String/Builder.hs:44:10: error:
    • No instance for (Semigroup Builder)
        arising from the superclasses of an instance declaration
    • In the instance declaration for ‘Monoid Builder’
   |
44 | instance Monoid Builder where
   |          ^^^^^^^^^^^^^^
 * ERROR: dev-haskell/stringbuilder-0.5.0::gentoo failed (compile phase):
 *   setup build failed
 * 
 * Call stack:
 *     ebuild.sh, line  125:  Called src_compile
 *   environment, line 2646:  Called haskell-cabal_src_compile
 *   environment, line 1870:  Called cabal_src_compile
 *   environment, line  756:  Called cabal-build
 *   environment, line  514:  Called die
 * The specific snippet of code:
 *       ./setup "$@" || die "setup build failed"
 * 
 * If you need support, post the output of `emerge --info '=dev-haskell/stringbuilder-0.5.0::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-haskell/stringbuilder-0.5.0::gentoo'`.
 * The complete build log is located at '/var/log/portage/dev-haskell:stringbuilder-0.5.0:20200803-234854.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-haskell/stringbuilder-0.5.0/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-haskell/stringbuilder-0.5.0/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-haskell/stringbuilder-0.5.0/work/stringbuilder-0.5.0'
 * S: '/var/tmp/portage/dev-haskell/stringbuilder-0.5.0/work/stringbuilder-0.5.0'