nixpkgs/pkgs/development/compilers/ghc-6.8/setup-hook.sh
Eelco Dolstra 2e92cabb37 * substitute: support patterns starting with a dash.
* Updated the kernel headers.
* ghc: setup hooks are now generated using substituteAll.

svn path=/nixpkgs/branches/stdenv-updates-merge/; revision=10838
2008-02-22 18:19:04 +00:00

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# Support dir for isolating GHC
ghc_support=$TMPDIR/ghc-6.8-nix-support
mkdir -p $ghc_support
# Create isolated package config
packages_db=$ghc_support/package.conf
cp @out@/lib/ghc-*/package.conf $packages_db
chmod +w $packages_db
# Generate wrappers for GHC that use the isolated package config
makeWrapper() {
wrapperName="$1"
wrapper="$ghc_support/$wrapperName"
shift #the other arguments are passed to the source app
echo '#!'"$SHELL" > "$wrapper"
echo "exec \"$ghc/bin/$wrapperName\" $@" '"$@"' > "$wrapper"
chmod +x "$wrapper"
}
makeWrapper "ghc" "-no-user-package-conf -package-conf $packages_db"
makeWrapper "ghci" "-no-user-package-conf -package-conf $packages_db"
makeWrapper "runghc" "-no-user-package-conf -package-conf $packages_db"
makeWrapper "runhaskell" "-no-user-package-conf -package-conf $packages_db"
makeWrapper "ghc-pkg" "--global-conf $packages_db"
# Add wrappers to search path
export _PATH=$ghc_support:$_PATH
# Env hook to add packages to the package config
addLibToPackageConf ()
{
local regscript=$1/nix-support/register-ghclib.sh
if test -f $regscript; then
local oldpath=$PATH
export PATH=$ghc_support:$PATH
sh $regscript $package_db
export PATH=$oldpath
fi
}
envHooks=(${envHooks[@]} addLibToPackageConf)