source $stdenv/setup makeWrapper() { wrapperBase="$1" wrapperName="$2" wrapper="$out/$wrapperName" shift; shift #the other arguments are passed to the source app echo '#!'"$SHELL" > "$wrapper" echo "exec \"$wrapperBase/$wrapperName\" $@" '"$@"' > "$wrapper" chmod +x "$wrapper" } mkdir -p $out/nix-support $out/bin packages_db=$out/nix-support/package.conf #create packages database (start with compiler base packages) cp $ghc/lib/ghc-*/package.conf $packages_db chmod +w $packages_db for lib in $libraries; do sh $lib/nix-support/register.sh $packages_db || exit 1 done rm -f $packages_db.old #create the wrappers #NB: The double dash for ghc-pkg is not a typo! makeWrapper $ghc "bin/ghc" "-package-conf" $packages_db makeWrapper $ghc "bin/ghci" "-package-conf" $packages_db makeWrapper $ghc "bin/runghc" "-package-conf" $packages_db makeWrapper $ghc "bin/runhaskell" "-package-conf" $packages_db makeWrapper $ghc "bin/ghc-pkg" "--global-conf" $packages_db # todo: link all other binaries of ghc