* Package:    dev-lang/epic-0.9.3.3
 * Repository: gentoo
 * Maintainer: haskell@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking epic-0.9.3.3.tar.gz to /var/tmp/portage/dev-lang/epic-0.9.3.3/work
>>> Source unpacked in /var/tmp/portage/dev-lang/epic-0.9.3.3/work
>>> Preparing source in /var/tmp/portage/dev-lang/epic-0.9.3.3/work/epic-0.9.3.3 ...
 * Applying respect-user-cflags.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-lang/epic-0.9.3.3/work/epic-0.9.3.3 ...
 * Using cabal-1.20.0.2.
 * Prepending /usr/lib64/ghc-7.8.4 to LD_LIBRARY_PATH
/usr/bin/ghc -package Cabal-1.20.0.2 --make /var/tmp/portage/dev-lang/epic-0.9.3.3/work/epic-0.9.3.3/Setup.hs -dynamic -o setup
[1 of 1] Compiling Main             ( /var/tmp/portage/dev-lang/epic-0.9.3.3/work/epic-0.9.3.3/Setup.hs, /var/tmp/portage/dev-lang/epic-0.9.3.3/work/epic-0.9.3.3/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=epic-0.9.3.3/ghc-7.8.4 --datadir=/usr/share/ --datasubdir=epic-0.9.3.3/ghc-7.8.4 --ghc-option=-j1 --ghc-option=-optc-march=native --ghc-option=-optc-O2 --ghc-option=-optc-pipe --ghc-option=-optl-Wl,-O1 --ghc-option=-optl-Wl,--as-needed --disable-executable-stripping --docdir=/usr/share/doc/epic-0.9.3.3 --verbose --sysconfdir=/etc --disable-library-stripping
Configuring epic-0.9.3.3...
Dependency Cabal -any: using Cabal-1.20.0.2
Dependency array -any: using array-0.5.0.0
Dependency base ==4.*: using base-4.7.0.2
Dependency directory -any: using directory-1.2.1.0
Dependency mtl -any: using mtl-2.2.1
Dependency process -any: using process-1.2.0.0
Using Cabal-1.20.0.2 compiled by ghc-7.8
Using compiler: ghc-7.8.4
Using install prefix: /usr
Binaries installed in: /usr/bin
Libraries installed in: /usr/lib64/epic-0.9.3.3/ghc-7.8.4
Private binaries installed in: /usr/libexec
Data files installed in: /usr/share/epic-0.9.3.3/ghc-7.8.4
Documentation installed in: /usr/share/doc/epic-0.9.3.3
Configuration files installed in: /etc
No alex found
Using ar found on system at: /usr/bin/ar
No c2hs found
No cpphs found
No ffihugs found
Using gcc version 4.9.3 found on system at: /usr/bin/gcc
Using ghc version 7.8.4 given by user at: /usr/bin/ghc
Using ghc-pkg version 7.8.4 given by user at: /usr/bin/ghc-pkg
No greencard found
No haddock found
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 0.67 found on system at: /usr/bin/hsc2hs
No hscolour found
No hugs found
No jhc found
Using ld found on system at: /usr/bin/ld
No lhc found
No lhc-pkg found
No nhc98 found
Using pkg-config version 0.28 found on system at: /usr/bin/pkg-config
Using strip found on system at: /usr/bin/strip
Using tar found on system at: /bin/tar
No uhc found
make: Entering directory '/var/tmp/portage/dev-lang/epic-0.9.3.3/work/epic-0.9.3.3/evm'
rm -f closure.o stdfuns.o emalloc.o sparks.o libevm.a
make: Leaving directory '/var/tmp/portage/dev-lang/epic-0.9.3.3/work/epic-0.9.3.3/evm'
>>> Source configured.
>>> Compiling source in /var/tmp/portage/dev-lang/epic-0.9.3.3/work/epic-0.9.3.3 ...
./setup build
Building epic-0.9.3.3...
Preprocessing library epic-0.9.3.3...
setup: The program 'happy' is required but it could not be found
 * ERROR: dev-lang/epic-0.9.3.3::gentoo failed (compile phase):
 *   setup build failed
 * 
 * Call stack:
 *     ebuild.sh, line   93:  Called src_compile
 *   environment, line 2807:  Called haskell-cabal_src_compile
 *   environment, line 1921:  Called cabal_src_compile
 *   environment, line  757:  Called cabal-build
 *   environment, line  509:  Called die
 * The specific snippet of code:
 *       ./setup "$@" || die "setup build failed"
 * 
 * If you need support, post the output of `emerge --info '=dev-lang/epic-0.9.3.3::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-lang/epic-0.9.3.3::gentoo'`.
 * The complete build log is located at '/var/log/portage/dev-lang:epic-0.9.3.3:20150720-021425.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-lang/epic-0.9.3.3/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-lang/epic-0.9.3.3/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-lang/epic-0.9.3.3/work/epic-0.9.3.3'
 * S: '/var/tmp/portage/dev-lang/epic-0.9.3.3/work/epic-0.9.3.3'