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