nixpkgs/pkgs/development/compilers/ghc/boot610.nix

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{stdenv, fetchurl, perl, editline, ncurses, gmp, makeWrapper}:
stdenv.mkDerivation rec {
version = "6.10.1";
name = "ghc-${version}";
src =
if stdenv.system == "i686-linux" then
fetchurl {
# libedit .so.0
url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-i386-unknown-linux.tar.bz2";
sha256 = "18l0vwlf7y86s65klpdvz4ccp8kydvcmyh03c86hld8jvx16q7zz";
}
else if stdenv.system == "x86_64-linux" then
fetchurl {
# libedit .so.0
url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-x86_64-unknown-linux.tar.bz2";
sha256 = "14jvvn333i36wm7mmvi47jr93f5hxrw1h2dpjvqql0rp00svhzzg";
}
else if stdenv.system == "i686-darwin" then
fetchurl {
# update
# untested
}
else throw "cannot bootstrap GHC on this platform";
buildInputs = [perl makeWrapper];
postUnpack =
# Strip is harmful, see also below. It's important that this happens
# first. The GHC Cabal build system makes use of strip by default and
# has hardcoded paths to /usr/bin/strip in many places. We replace
# those below, making them point to our dummy script.
''
mkdir "$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 $NIX_GCC/nix-support/dynamic-linker)" \
--set-rpath "${editline}/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 $prog)@g" {} \;
done
'' else "");
configurePhase = ''
./configure --prefix=$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 = ":";
# 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/GNUeditline.framework/Versions/A
ln -s ${editline}/lib/libeditline.dylib $out/frameworks/GNUeditline.framework/GNUeditline
ln -s ${editline}/lib/libeditline.dylib $out/frameworks/GNUeditline.framework/Versions/A/GNUeditline
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 "")
+
''
# 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
wrapProgram $out/bin/ghc --set LDPATH "${gmp}/lib"
# 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" ]
''
;
}