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{stdenv, fetchurl, perl, readline, ncurses, gmp}:
stdenv.mkDerivation {
name = if stdenv.system == "i686-darwin" then "ghc-6.6.1" else "ghc-6.4.2";
src =
if stdenv.system == "i686-linux" then
fetchurl {
url = http://nix.cs.uu.nl/dist/tarballs/ghc-6.4.2-i386-unknown-linux.tar.bz2;
md5 = "092fe2e25dab22b926babe97cc77db1f";
}
else if stdenv.system == "x86_64-linux" then
fetchurl {
url = http://haskell.org/ghc/dist/6.4.2/ghc-6.4.2-x86_64-unknown-linux.tar.bz2;
md5 = "8f5fe48798f715cd05214a10987bf6d5";
}
else if stdenv.system == "i686-darwin" then
fetchurl {
url = http://www.haskell.org/ghc/dist/6.6.1/ghc-6.6.1-i386-apple-darwin.tar.bz2;
sha256 = "1drbsicanr6jlykvs4vs6gbi2q9ac1bcaxz2vzwh3pfv3lfibwia";
}
else throw "cannot bootstrap GHC on this platform";
buildInputs = [perl];
dontStrip = 1;
# On Linux, use patchelf to modify the executables so that they can
# find readline/gmp.
postBuild = if stdenv.isLinux then "
find . -type f -perm +100 \\
-exec patchelf --interpreter \"$(cat $NIX_GCC/nix-support/dynamic-linker)\" \\
--set-rpath \"${readline}/lib:${ncurses}/lib:${gmp}/lib\" {} \\;
" else "";
# The binaries for Darwin use frameworks, so fake those frameworks,
# and create some wrapper scripts that set DYLD_FRAMEWORK_PATH so
# that the executables work with no special setup.
postInstall = if stdenv.isDarwin then "
ensureDir $out/frameworks/GMP.framework/Versions/A
ln -s ${gmp}/lib/libgmp.dylib $out/frameworks/GMP.framework/GMP
ln -s ${gmp}/lib/libgmp.dylib $out/frameworks/GMP.framework/Versions/A/GMP
ensureDir $out/frameworks/GNUreadline.framework/Versions/A
ln -s ${readline}/lib/libreadline.dylib $out/frameworks/GNUreadline.framework/GNUreadline
ln -s ${readline}/lib/libreadline.dylib $out/frameworks/GNUreadline.framework/Versions/A/GNUreadline
mv $out/bin $out/bin-orig
mkdir $out/bin
for i in $(cd $out/bin-orig && ls); do
echo \"#! $SHELL -e\" >> $out/bin/$i
echo \"DYLD_FRAMEWORK_PATH=$out/frameworks exec $out/bin-orig/$i -framework-path $out/frameworks \\\"\\$@\\\"\" >> $out/bin/$i
chmod +x $out/bin/$i
done
" else "";
}
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