pkgs/development/compilers/ghc/with-packages.nix: simply this wrapper on top of buildenv

This commit is contained in:
Peter Simons 2013-03-15 21:11:31 +01:00
parent d09269a22e
commit 90fc42c2f2

View file

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