It seems that the `hasktags` ebuild is missing a dependency: >>> Configuring source in /var/tmp/portage/dev-haskell/hasktags-0.69.1/work/hasktags-0.69.1 ... * Using cabal-1.24.2.0. * Prepending /usr/lib64/ghc-8.0.2 to LD_LIBRARY_PATH /usr/bin/ghc -package Cabal-1.24.2.0 --make /var/tmp/portage/dev-haskell/hasktags-0.69.1/work/hasktags-0.69.1/Setup.hs -threaded -dynamic -o setup [1 of 1] Compiling Main ( /var/tmp/portage/dev-haskell/hasktags-0.69.1/work/hasktags-0.69.1/Setup.hs, /var/tmp/portage/dev-haskell/hasktags-0.69.1/work/hasktags-0.69.1/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=hasktags-0.69.1/ghc-8.0.2 --datadir=/usr/share/ --datasubdir=hasktags-0.69.1/ghc-8.0.2 --ghc-option=-j4 --ghc-option=-optc-march=core-avx2 --ghc-option=-optc-O2 --ghc-option=-optc-pipe --ghc-option=-optc-mabm --ghc-option=-optc-madx --ghc-option=-optc-mavx256-split-unaligned-load --ghc-option=-optc-mavx256-split-unaligned-store --ghc-option=-optc-mprfchw --ghc-option=-optc-mrdseed --ghc-option=-optc-fstack-protector-strong --ghc-option=-optl-Wl,-O1 --ghc-option=-optl-Wl,--as-needed --disable-executable-stripping --docdir=/usr/share/doc/hasktags-0.69.1 --verbose --enable-shared --enable-executable-dynamic --sysconfdir=/etc --disable-library-stripping --flags=-debug Configuring hasktags-0.69.1... setup: Encountered missing dependencies: directory >=1.1 && <1.3
Seems like there is no hasktags in the main tree. Did you grab this from haskell overlay?
haskell overlay has =dev-haskell/hasktags-0.69.3 version.
Please check if you have ebuild repositories synced properly.