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nixpkgs/pkgs/development/compilers/ghc/6.10.1-binary.nix
2011-08-09 07:41:10 +00:00

109 lines
3.8 KiB
Nix

{stdenv, fetchurl, perl, libedit, ncurses, gmp}:
let
supportedPlatforms = ["i686-darwin" "x86_64-linux" "i686-linux"];
in
assert stdenv.lib.elem stdenv.system supportedPlatforms;
stdenv.mkDerivation rec {
version = "6.10.1";
name = "ghc-${version}-binary";
src =
if stdenv.system == "i686-linux" then
fetchurl {
# This binary requires libedit.so.0 (rather than libedit.so.2).
url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-i386-unknown-linux.tar.bz2";
sha256 = "18l0vwlf7y86s65klpdvz4ccp8kydvcmyh03c86hld8jvx16q7zz";
}
else if stdenv.system == "x86_64-linux" then
fetchurl {
# Idem.
url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-x86_64-unknown-linux.tar.bz2";
sha256 = "14jvvn333i36wm7mmvi47jr93f5hxrw1h2dpjvqql0rp00svhzzg";
}
else if stdenv.system == "i686-darwin" then
fetchurl {
# Idem.
url = "http://haskell.org/ghc/dist/${version}/maeder/ghc-${version}-i386-apple-darwin.tar.bz2";
sha256 = "0lax61cfzxkrjb7an3magdax6c8fygsirpw9qfmc651k2sfby1mq";
}
else throw "cannot bootstrap GHC on this platform";
buildInputs = [perl];
postUnpack =
# Strip is harmful, see also below. It's important that this happens
# first. The GHC Cabal build system makes use of strip by default and
# has hardcoded paths to /usr/bin/strip in many places. We replace
# those below, making them point to our dummy script.
''
mkdir "$TMP/bin"
for i in strip; do
echo '#!/bin/sh' >> "$TMP/bin/$i"
chmod +x "$TMP/bin/$i"
PATH="$TMP/bin:$PATH"
done
'' +
# On Linux, use patchelf to modify the executables so that they can
# find editline/gmp.
(if stdenv.isLinux then ''
find . -type f -perm +100 \
-exec patchelf --interpreter "$(cat $NIX_GCC/nix-support/dynamic-linker)" \
--set-rpath "${libedit}/lib:${ncurses}/lib:${gmp}/lib" {} \;
for prog in ld ar gcc strip ranlib; do
find . -name "setup-config" -exec sed -i "s@/usr/bin/$prog@$(type -p $prog)@g" {} \;
done
'' else "");
configurePhase = ''
${if stdenv.isDarwin then "export DYLD_LIBRARY_PATH=${gmp}/lib" else ""}
cp $(type -P pwd) utils/pwd/pwd
./configure --prefix=$out --with-gmp-libraries=${gmp}/lib --with-gmp-includes=${gmp}/include
'';
# Stripping combined with patchelf breaks the executables (they die
# with a segfault or the kernel even refuses the execve). (NIXPKGS-85)
dontStrip = true;
# No building is necessary, but calling make without flags ironically
# calls install-strip ...
buildPhase = "true";
# 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
''
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 "export DYLD_LIBRARY_PATH=\"${gmp}/lib:${libedit}/lib\"" >> $out/bin/$i
echo "exec $out/bin-orig/$i \"\$@\"" >> $out/bin/$i
chmod +x $out/bin/$i
done
'' else "")
+
''
# bah, the passing gmp doesn't work, so let's add it to the final package.conf in a quick but dirty way
sed -i "s@^\(.*pkgName = PackageName \"rts\".*\libraryDirs = \\[\)\(.*\)@\\1\"${gmp}/lib\",\2@" $out/lib/ghc-${version}/package.conf
# Sanity check, can ghc create executables?
cd $TMP
mkdir test-ghc; cd test-ghc
cat > main.hs << EOF
module Main where
main = putStrLn "yes"
EOF
$out/bin/ghc --make main.hs
echo compilation ok
[ $(./main) == "yes" ]
'';
meta.platforms = supportedPlatforms;
}