b1169e5509
Any attempt to instantiate these expressions on an unsupported platform is going to 'throw' an error. The call to 'assert' doesn't add any value to that (and generates less readable error messages, too). Further details are available at <https://github.com/NixOS/nix/issues/56>.
67 lines
2.7 KiB
Nix
67 lines
2.7 KiB
Nix
{stdenv, fetchurl, perl, readline, ncurses, gmp}:
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stdenv.mkDerivation {
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name = if stdenv.system == "i686-darwin" then "ghc-6.6.1-binary" else "ghc-6.4.2-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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url = http://nixos.org/tarballs/ghc-6.4.2-i386-unknown-linux.tar.bz2;
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md5 = "092fe2e25dab22b926babe97cc77db1f";
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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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url = http://haskell.org/ghc/dist/6.4.2/ghc-6.4.2-x86_64-unknown-linux.tar.bz2;
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md5 = "8f5fe48798f715cd05214a10987bf6d5";
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}
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else if stdenv.system == "i686-darwin" then
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/* Yes, this isn't GHC 6.4.2. But IIRC either there was no
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6.4.2 binary for Darwin, or it didn't work. In any case, in
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Nixpkgs we just need this bootstrapping a "real" GHC. */
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fetchurl {
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url = http://www.haskell.org/ghc/dist/6.6.1/ghc-6.6.1-i386-apple-darwin.tar.bz2;
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sha256 = "1drbsicanr6jlykvs4vs6gbi2q9ac1bcaxz2vzwh3pfv3lfibwia";
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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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# On Linux, use patchelf to modify the executables so that they can
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# find readline/gmp.
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postBuild = if stdenv.isLinux then "
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find . -type f -perm +100 \\
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-exec patchelf --interpreter \"$(cat $NIX_GCC/nix-support/dynamic-linker)\" \\
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--set-rpath \"${readline}/lib:${ncurses}/lib:${gmp}/lib\" {} \\;
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" else "";
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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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# 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 = if stdenv.isDarwin then ''
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mkdir -p $out/frameworks/GMP.framework/Versions/A
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ln -s ${gmp}/lib/libgmp.dylib $out/frameworks/GMP.framework/GMP
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ln -s ${gmp}/lib/libgmp.dylib $out/frameworks/GMP.framework/Versions/A/GMP
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mkdir -p $out/frameworks/GNUreadline.framework/Versions/A
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ln -s ${readline}/lib/libreadline.dylib $out/frameworks/GNUreadline.framework/GNUreadline
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ln -s ${readline}/lib/libreadline.dylib $out/frameworks/GNUreadline.framework/Versions/A/GNUreadline
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mkdir $out/bin-orig
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for i in $(cd $out/bin && ls *); do
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mv $out/bin/$i $out/bin-orig/$i
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echo "#! $SHELL -e" >> $out/bin/$i
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extraFlag=
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if test $i != ghc-pkg; then extraFlag="-framework-path $out/frameworks"; fi
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echo "DYLD_FRAMEWORK_PATH=$out/frameworks exec $out/bin-orig/$i $extraFlag \"\$@\"" >> $out/bin/$i
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chmod +x $out/bin/$i
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done
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'' else "";
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meta.platforms = ["i686-darwin" "x86_64-linux" "i686-linux"];
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}
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