pkgs/development/compilers/ghc/with-packages.nix: simply this wrapper on top of buildenv
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@ -1,122 +1,38 @@
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{stdenv, ghc, packages ? [], makeWrapper}:
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{ stdenv, ghc, packages, buildEnv, makeWrapper }:
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stdenv.mkDerivation rec {
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assert packages != [];
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let
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ghc761OrLater = stdenv.lib.versionOlder "7.6.1" ghc.version;
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packageDBFlag = if ghc761OrLater then "--package-db" else "--package-conf";
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libDir = "$out/lib/ghc-${ghc.version}";
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packageCfgDir = "${libDir}/package.conf.d";
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in
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buildEnv {
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name = "haskell-env-${ghc.name}";
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allPackages = stdenv.lib.closePropagation packages;
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buildInputs = allPackages ++ [makeWrapper];
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propagatedBuildInputs = packages;
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unpackPhase = "true";
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installPhase = ''
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numversion=$(${ghc}/bin/ghc --numeric-version)
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majorversion=''${numversion%%.*}
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minorversion=''${numversion#*.}
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minorversion=''${minorversion%%.*}
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if [[ $majorversion -gt 6 ]] && [[ $minorversion -gt 4 ]]; then
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globalConf="--global-package-db"
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else
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globalConf="--global-conf"
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fi
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originalTopDir="${ghc}/lib/ghc-${ghc.version}"
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originalPkgDir="$originalTopDir/package.conf.d"
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linkedTopDir="$out/lib"
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linkedPkgDir="$linkedTopDir/package.conf.d"
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mkdir -p $out/bin
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mkdir -p $linkedTopDir
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mkdir -p $linkedPkgDir
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echo "Linking GHC core libraries:"
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echo -n "Linking $originalTopDir "
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for f in "$originalTopDir/"*; do
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if test -f $f; then
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ln -s $f $linkedTopDir
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echo -n .
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fi
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done
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echo
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echo -n "Linking $originalPkgDir "
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for f in "$originalPkgDir/"*.conf; do
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ln -s $f $linkedPkgDir
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echo -n .
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done
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echo
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echo "Linking selected packages and dependencies:"
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for currentPath in ${stdenv.lib.concatStringsSep " " allPackages}; do
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currentPkgDir="$currentPath/lib/ghc-${ghc.version}/package.conf.d/"
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# Check if current path is a Cabal package for the current GHC
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if test -d $currentPkgDir; then
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echo -n "Linking $currentPath "
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for f in "$currentPath/bin/"*; do
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ln -s $f $out/bin
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echo -n .
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done
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for f in "$currentPath/etc/bash_completion.d/"*; do
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mkdir -p $out/etc/bash_completion.d
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ln -s $f $out/etc/bash_completion.d/
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echo -n .
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done
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for s in 1 2 3 4 5 6 7 8 9; do
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for f in "$currentPath/share/man/man$s/"*; do
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mkdir -p $out/share/man/man$s
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ln -sv $f $out/share/man/man$s/
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echo -n .
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done
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done
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for f in "$currentPath/share/emacs/site-lisp/"*; do
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mkdir -p $out/share/emacs/site-lisp
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ln -s $f $out/share/emacs/site-lisp/
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echo -n .
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done
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for f in "$currentPkgDir/"*.conf; do
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ln -s $f $linkedPkgDir
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echo -n .
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done
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echo
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fi
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done
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echo -n "Generating package cache "
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${ghc}/bin/ghc-pkg $globalConf $linkedPkgDir recache
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echo .
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echo -n "Generating wrappers "
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paths = stdenv.lib.closePropagation (packages ++ [ghc]);
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postBuild = ''
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. ${makeWrapper}/nix-support/setup-hook
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for prg in ghc ghci ghc-${ghc.version} ghci-${ghc.version}; do
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# The NIX env-vars are picked up by our patched version of ghc-paths.
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makeWrapper ${ghc}/bin/$prg $out/bin/$prg \
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--add-flags "-B$linkedTopDir" \
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--set "NIX_GHC" "$out/bin/ghc" \
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--set "NIX_GHCPKG" "$out/bin/ghc-pkg" \
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--set "NIX_GHC_LIBDIR" "$linkedTopDir"
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echo -n .
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rm -f $out/bin/$prg
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makeWrapper ${ghc}/bin/$prg $out/bin/$prg \
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--add-flags '"-B$NIX_GHC_LIBDIR"' \
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--set "NIX_GHC" "$out/bin/ghc" \
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--set "NIX_GHCPKG" "$out/bin/ghc-pkg" \
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--set "NIX_GHC_LIBDIR" "${libDir}"
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done
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for prg in runghc runhaskell; do
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rm -f $out/bin/$prg
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makeWrapper ${ghc}/bin/$prg $out/bin/$prg --add-flags "-f $out/bin/ghc"
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echo -n .
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done
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for prg in ghc-pkg ghc-pkg-${ghc.version}; do
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makeWrapper ${ghc}/bin/$prg $out/bin/$prg --add-flags "$globalConf $linkedPkgDir"
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echo -n .
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rm -f $out/bin/$prg
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makeWrapper ${ghc}/bin/$prg $out/bin/$prg --add-flags "${packageDBFlag} ${packageCfgDir}"
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done
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for prg in hp2ps hpc hasktags hsc2hs haddock haddock-${ghc.version}; do
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if test -x ${ghc}/bin/$prg -a ! -x $out/bin/$prg; then
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ln -s ${ghc}/bin/$prg $out/bin/$prg && echo -n .
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fi
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done
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echo
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$out/bin/ghc-pkg recache
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'';
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meta = ghc.meta;
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}
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