413 lines
18 KiB
Nix
413 lines
18 KiB
Nix
{ lib, stdenv
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, fetchurl, perl, gcc
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, ncurses5
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, ncurses6, gmp, libiconv, numactl, libffi
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, llvmPackages
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, coreutils
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, targetPackages
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# minimal = true; will remove files that aren't strictly necessary for
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# regular builds and GHC bootstrapping.
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# This is "useful" for staying within hydra's output limits for at least the
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# aarch64-linux architecture.
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, minimal ? false
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}:
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# Prebuilt only does native
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assert stdenv.targetPlatform == stdenv.hostPlatform;
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let
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downloadsUrl = "https://downloads.haskell.org/ghc";
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# Copy sha256 from https://downloads.haskell.org/~ghc/9.6.3/SHA256SUMS
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version = "9.6.3";
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# Information about available bindists that we use in the build.
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#
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# # Bindist library checking
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#
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# The field `archSpecificLibraries` also provides a way for us get notified
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# early when the upstream bindist changes its dependencies (e.g. because a
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# newer Debian version is used that uses a new `ncurses` version).
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#
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# Usage:
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#
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# * You can find the `fileToCheckFor` of libraries by running `readelf -d`
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# on the compiler binary (`exePathForLibraryCheck`).
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# * To skip library checking for an architecture,
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# set `exePathForLibraryCheck = null`.
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# * To skip file checking for a specific arch specfic library,
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# set `fileToCheckFor = null`.
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ghcBinDists = {
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# Binary distributions for the default libc (e.g. glibc, or libSystem on Darwin)
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# nixpkgs uses for the respective system.
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defaultLibc = {
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i686-linux = {
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variantSuffix = "";
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src = {
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url = "${downloadsUrl}/${version}/ghc-${version}-i386-deb9-linux.tar.xz";
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sha256 = "58be26f8b8f6b5bd8baf5c32abb03e2c4621646b2142fab10e5c7de5af5c50f8";
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};
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exePathForLibraryCheck = "bin/ghc";
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archSpecificLibraries = [
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{ nixPackage = gmp; fileToCheckFor = null; }
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# The i686-linux bindist provided by GHC HQ is currently built on Debian 9,
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# which link it against `libtinfo.so.5` (ncurses 5).
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# Other bindists are linked `libtinfo.so.6` (ncurses 6).
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{ nixPackage = ncurses5; fileToCheckFor = "libtinfo.so.5"; }
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];
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};
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x86_64-linux = {
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variantSuffix = "";
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src = {
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url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-deb11-linux.tar.xz";
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sha256 = "c4c0124857265926f1cf22a09d950d7ba989ff94053a4ddf3dcdab5359f4cab7";
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};
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exePathForLibraryCheck = "bin/ghc";
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archSpecificLibraries = [
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{ nixPackage = gmp; fileToCheckFor = null; }
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{ nixPackage = ncurses6; fileToCheckFor = "libtinfo.so.6"; }
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];
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};
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aarch64-linux = {
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variantSuffix = "";
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src = {
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url = "${downloadsUrl}/${version}/ghc-${version}-aarch64-deb10-linux.tar.xz";
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sha256 = "03c389859319f09452081310fc13af7525063ea8930830ef76be2a14b312271e";
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};
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exePathForLibraryCheck = "bin/ghc";
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archSpecificLibraries = [
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{ nixPackage = gmp; fileToCheckFor = null; }
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{ nixPackage = ncurses6; fileToCheckFor = "libtinfo.so.6"; }
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{ nixPackage = numactl; fileToCheckFor = null; }
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];
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};
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x86_64-darwin = {
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variantSuffix = "";
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src = {
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url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-apple-darwin.tar.xz";
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sha256 = "dde46118ab8388fb1066312c097123e93b1dcf6ae366e3370f88ea456382c9db";
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};
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exePathForLibraryCheck = null; # we don't have a library check for darwin yet
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archSpecificLibraries = [
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{ nixPackage = gmp; fileToCheckFor = null; }
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{ nixPackage = ncurses6; fileToCheckFor = null; }
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{ nixPackage = libiconv; fileToCheckFor = null; }
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];
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};
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aarch64-darwin = {
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variantSuffix = "";
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src = {
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url = "${downloadsUrl}/${version}/ghc-${version}-aarch64-apple-darwin.tar.xz";
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sha256 = "e1cdf458926b2eaf52d2a8287d99a965040ff9051171f5c3b7467049cf0eb213";
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};
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exePathForLibraryCheck = null; # we don't have a library check for darwin yet
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archSpecificLibraries = [
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{ nixPackage = gmp; fileToCheckFor = null; }
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{ nixPackage = ncurses6; fileToCheckFor = null; }
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{ nixPackage = libiconv; fileToCheckFor = null; }
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];
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};
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};
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# Binary distributions for the musl libc for the respective system.
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musl = {
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x86_64-linux = {
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variantSuffix = "-musl";
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src = {
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url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-alpine3_12-linux.tar.xz";
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sha256 = "8f457af0aa40127049c11134c8793f64351a446e87da1f8ec256e1279b5ab61f";
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};
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exePathForLibraryCheck = "bin/ghc";
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archSpecificLibraries = [
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{ nixPackage = gmp; fileToCheckFor = null; }
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{ nixPackage = ncurses6; fileToCheckFor = "libncursesw.so.6"; }
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];
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};
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};
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};
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distSetName = if stdenv.hostPlatform.isMusl then "musl" else "defaultLibc";
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binDistUsed = ghcBinDists.${distSetName}.${stdenv.hostPlatform.system}
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or (throw "cannot bootstrap GHC on this platform ('${stdenv.hostPlatform.system}' with libc '${distSetName}')");
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gmpUsed = (builtins.head (
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builtins.filter (
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drv: lib.hasPrefix "gmp" (drv.nixPackage.name or "")
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) binDistUsed.archSpecificLibraries
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)).nixPackage;
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# GHC has other native backends (like PowerPC), but here only the ones
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# we ship bindists for matter.
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useLLVM = !(stdenv.targetPlatform.isx86
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|| (stdenv.targetPlatform.isAarch64 && stdenv.targetPlatform.isDarwin));
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libPath =
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lib.makeLibraryPath (
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# Add arch-specific libraries.
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map ({ nixPackage, ... }: nixPackage) binDistUsed.archSpecificLibraries
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);
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libEnvVar = lib.optionalString stdenv.hostPlatform.isDarwin "DY"
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+ "LD_LIBRARY_PATH";
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runtimeDeps = [
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targetPackages.stdenv.cc
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targetPackages.stdenv.cc.bintools
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coreutils # for cat
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]
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++ lib.optionals useLLVM [
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(lib.getBin llvmPackages.llvm)
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]
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# On darwin, we need unwrapped bintools as well (for otool)
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++ lib.optionals (stdenv.targetPlatform.linker == "cctools") [
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targetPackages.stdenv.cc.bintools.bintools
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];
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in
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stdenv.mkDerivation rec {
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inherit version;
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pname = "ghc-binary${binDistUsed.variantSuffix}";
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src = fetchurl binDistUsed.src;
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nativeBuildInputs = [ perl ];
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# Set LD_LIBRARY_PATH or equivalent so that the programs running as part
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# of the bindist installer can find the libraries they expect.
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# Cannot patchelf beforehand due to relative RPATHs that anticipate
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# the final install location.
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${libEnvVar} = libPath;
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postUnpack =
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# Verify our assumptions of which `libtinfo.so` (ncurses) version is used,
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# so that we know when ghc bindists upgrade that and we need to update the
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# version used in `libPath`.
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lib.optionalString
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(binDistUsed.exePathForLibraryCheck != null)
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# Note the `*` glob because some GHCs have a suffix when unpacked, e.g.
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# the musl bindist has dir `ghc-VERSION-x86_64-unknown-linux/`.
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# As a result, don't shell-quote this glob when splicing the string.
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(let buildExeGlob = ''ghc-${version}*/"${binDistUsed.exePathForLibraryCheck}"''; in
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lib.concatStringsSep "\n" [
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(''
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shopt -u nullglob
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echo "Checking that ghc binary exists in bindist at ${buildExeGlob}"
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if ! test -e ${buildExeGlob}; then
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echo >&2 "GHC binary ${binDistUsed.exePathForLibraryCheck} could not be found in the bindist build directory (at ${buildExeGlob}) for arch ${stdenv.hostPlatform.system}, please check that ghcBinDists correctly reflect the bindist dependencies!"; exit 1;
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fi
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'')
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(lib.concatMapStringsSep
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"\n"
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({ fileToCheckFor, nixPackage }:
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lib.optionalString (fileToCheckFor != null) ''
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echo "Checking bindist for ${fileToCheckFor} to ensure that is still used"
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if ! readelf -d ${buildExeGlob} | grep "${fileToCheckFor}"; then
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echo >&2 "File ${fileToCheckFor} could not be found in ${binDistUsed.exePathForLibraryCheck} for arch ${stdenv.hostPlatform.system}, please check that ghcBinDists correctly reflect the bindist dependencies!"; exit 1;
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fi
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echo "Checking that the nix package ${nixPackage} contains ${fileToCheckFor}"
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if ! test -e "${lib.getLib nixPackage}/lib/${fileToCheckFor}"; then
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echo >&2 "Nix package ${nixPackage} did not contain ${fileToCheckFor} for arch ${stdenv.hostPlatform.system}, please check that ghcBinDists correctly reflect the bindist dependencies!"; exit 1;
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fi
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''
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)
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binDistUsed.archSpecificLibraries
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)
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])
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# GHC has dtrace probes, which causes ld to try to open /usr/lib/libdtrace.dylib
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# during linking
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+ lib.optionalString stdenv.hostPlatform.isDarwin ''
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export NIX_LDFLAGS+=" -no_dtrace_dof"
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# not enough room in the object files for the full path to libiconv :(
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for exe in $(find . -type f -executable); do
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isMachO $exe || continue
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ln -fs ${libiconv}/lib/libiconv.dylib $(dirname $exe)/libiconv.dylib
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install_name_tool -change /usr/lib/libiconv.2.dylib @executable_path/libiconv.dylib -change /usr/local/lib/gcc/6/libgcc_s.1.dylib ${gcc.cc.lib}/lib/libgcc_s.1.dylib $exe
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done
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''
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# We have to patch the GMP paths for the ghc-bignum package, for hadrian by
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# modifying the package-db directly
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+ ''
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find . -name 'ghc-bignum*.conf' \
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-exec sed -e '/^[a-z-]*library-dirs/a \ ${lib.getLib gmpUsed}/lib' -i {} \;
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''
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# Similar for iconv and libffi on darwin
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+ lib.optionalString stdenv.hostPlatform.isDarwin ''
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find . -name 'base*.conf' \
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-exec sed -e '/^[a-z-]*library-dirs/a \ ${lib.getLib libiconv}/lib' -i {} \;
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# To link RTS in the end we also need libffi now
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find . -name 'rts*.conf' \
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-exec sed -e '/^[a-z-]*library-dirs/a \ ${lib.getLib libffi}/lib' \
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-e 's@/Library/Developer/.*/usr/include/ffi@${lib.getDev libffi}/include@' \
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-i {} \;
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'' +
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# aarch64 does HAVE_NUMA so -lnuma requires it in library-dirs in rts/package.conf.in
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# FFI_LIB_DIR is a good indication of places it must be needed.
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lib.optionalString (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isAarch64) ''
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find . -name package.conf.in \
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-exec sed -i "s@FFI_LIB_DIR@FFI_LIB_DIR ${numactl.out}/lib@g" {} \;
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'' +
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# Rename needed libraries and binaries, fix interpreter
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lib.optionalString stdenv.hostPlatform.isLinux ''
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find . -type f -executable -exec patchelf \
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--interpreter ${stdenv.cc.bintools.dynamicLinker} {} \;
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'';
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# fix for `configure: error: Your linker is affected by binutils #16177`
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preConfigure = lib.optionalString
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stdenv.targetPlatform.isAarch32
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"LD=ld.gold";
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# GHC has a patched config.sub and bindists' platforms should always work
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dontUpdateAutotoolsGnuConfigScripts = true;
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configurePlatforms = [ ];
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configureFlags =
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lib.optional stdenv.hostPlatform.isDarwin "--with-gcc=${./gcc-clang-wrapper.sh}"
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# From: https://github.com/NixOS/nixpkgs/pull/43369/commits
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++ lib.optional stdenv.hostPlatform.isMusl "--disable-ld-override";
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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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dontBuild = true;
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# Patch scripts to include runtime dependencies in $PATH.
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postInstall = ''
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for i in "$out/bin/"*; do
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test ! -h "$i" || continue
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isScript "$i" || continue
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sed -i -e '2i export PATH="${lib.makeBinPath runtimeDeps}:$PATH"' "$i"
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done
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'' + lib.optionalString stdenv.targetPlatform.isDarwin ''
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# Work around building with binary GHC on Darwin due to GHC’s use of `ar -L` when it
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# detects `llvm-ar` even though the resulting archives are not supported by ld64.
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# https://gitlab.haskell.org/ghc/ghc/-/issues/23188
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# https://github.com/haskell/cabal/issues/8882
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sed -i -e 's/,("ar supports -L", "YES")/,("ar supports -L", "NO")/' "$out/lib/ghc-${version}/lib/settings"
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'';
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# Apparently necessary for the ghc Alpine (musl) bindist:
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# When we strip, and then run the
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# patchelf --set-rpath "${libPath}:$(patchelf --print-rpath $p)" $p
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# below, running ghc (e.g. during `installCheckPhase)` gives some apparently
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# corrupted rpath or whatever makes the loader work on nonsensical strings:
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# running install tests
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# Error relocating /nix/store/...-ghc-8.10.2-binary/lib/ghc-8.10.5/bin/ghc: : symbol not found
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# Error relocating /nix/store/...-ghc-8.10.2-binary/lib/ghc-8.10.5/bin/ghc: ir6zf6c9f86pfx8sr30n2vjy-ghc-8.10.2-binary/lib/ghc-8.10.5/bin/../lib/x86_64-linux-ghc-8.10.5/libHSexceptions-0.10.4-ghc8.10.5.so: symbol not found
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# Error relocating /nix/store/...-ghc-8.10.2-binary/lib/ghc-8.10.5/bin/ghc: y/lib/ghc-8.10.5/bin/../lib/x86_64-linux-ghc-8.10.5/libHStemplate-haskell-2.16.0.0-ghc8.10.5.so: symbol not found
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# Error relocating /nix/store/...-ghc-8.10.2-binary/lib/ghc-8.10.5/bin/ghc: 8.10.5/libHStemplate-haskell-2.16.0.0-ghc8.10.5.so: symbol not found
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# Error relocating /nix/store/...-ghc-8.10.2-binary/lib/ghc-8.10.5/bin/ghc: <20>: symbol not found
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# Error relocating /nix/store/...-ghc-8.10.2-binary/lib/ghc-8.10.5/bin/ghc: <20>?: symbol not found
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# Error relocating /nix/store/...-ghc-8.10.2-binary/lib/ghc-8.10.5/bin/ghc: 64-linux-ghc-8.10.5/libHSexceptions-0.10.4-ghc8.10.5.so: symbol not found
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# This is extremely bogus and should be investigated.
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dontStrip = if stdenv.hostPlatform.isMusl then true else false; # `if` for explicitness
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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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postFixup = lib.optionalString (stdenv.hostPlatform.isLinux && !(binDistUsed.isStatic or false))
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(if stdenv.hostPlatform.isAarch64 then
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# Keep rpath as small as possible on aarch64 for patchelf#244. All Elfs
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# are 2 directories deep from $out/lib, so pooling symlinks there makes
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# a short rpath.
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''
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(cd $out/lib; ln -s ${ncurses6.out}/lib/libtinfo.so.6)
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(cd $out/lib; ln -s ${lib.getLib gmpUsed}/lib/libgmp.so.10)
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(cd $out/lib; ln -s ${numactl.out}/lib/libnuma.so.1)
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for p in $(find "$out/lib" -type f -name "*\.so*"); do
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(cd $out/lib; ln -s $p)
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done
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for p in $(find "$out/lib" -type f -executable); do
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if isELF "$p"; then
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echo "Patchelfing $p"
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patchelf --set-rpath "\$ORIGIN:\$ORIGIN/../.." $p
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fi
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done
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''
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else
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''
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for p in $(find "$out" -type f -executable); do
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if isELF "$p"; then
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echo "Patchelfing $p"
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patchelf --set-rpath "${libPath}:$(patchelf --print-rpath $p)" $p
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fi
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done
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'') + lib.optionalString stdenv.hostPlatform.isDarwin ''
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# not enough room in the object files for the full path to libiconv :(
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for exe in $(find "$out" -type f -executable); do
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isMachO $exe || continue
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ln -fs ${libiconv}/lib/libiconv.dylib $(dirname $exe)/libiconv.dylib
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install_name_tool -change /usr/lib/libiconv.2.dylib @executable_path/libiconv.dylib -change /usr/local/lib/gcc/6/libgcc_s.1.dylib ${gcc.cc.lib}/lib/libgcc_s.1.dylib $exe
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done
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for file in $(find "$out" -name setup-config); do
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substituteInPlace $file --replace /usr/bin/ranlib "$(type -P ranlib)"
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done
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''
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# Recache package db which needs to happen for Hadrian bindists
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# where we modify the package db before installing
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+ ''
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package_db=("$out"/lib/ghc-*/lib/package.conf.d)
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"$out/bin/ghc-pkg" --package-db="$package_db" recache
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'';
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# In nixpkgs, musl based builds currently enable `pie` hardening by default
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# (see `defaultHardeningFlags` in `make-derivation.nix`).
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# But GHC cannot currently produce outputs that are ready for `-pie` linking.
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# Thus, disable `pie` hardening, otherwise `recompile with -fPIE` errors appear.
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# See:
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# * https://github.com/NixOS/nixpkgs/issues/129247
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# * https://gitlab.haskell.org/ghc/ghc/-/issues/19580
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hardeningDisable = lib.optional stdenv.targetPlatform.isMusl "pie";
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doInstallCheck = true;
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installCheckPhase = ''
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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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{-# LANGUAGE TemplateHaskell #-}
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module Main where
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main = putStrLn \$([|"yes"|])
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EOF
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env -i $out/bin/ghc --make main.hs || exit 1
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echo compilation ok
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[ $(./main) == "yes" ]
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'';
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passthru = {
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targetPrefix = "";
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enableShared = true;
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inherit llvmPackages;
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|
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# Our Cabal compiler name
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haskellCompilerName = "ghc-${version}";
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# Normal GHC derivations expose the hadrian derivation used to build them
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# here. In the case of bindists we just make sure that the attribute exists,
|
||
# as it is used for checking if a GHC derivation has been built with hadrian.
|
||
hadrian = null;
|
||
};
|
||
|
||
meta = rec {
|
||
homepage = "http://haskell.org/ghc";
|
||
description = "Glasgow Haskell Compiler";
|
||
license = lib.licenses.bsd3;
|
||
# HACK: since we can't encode the libc / abi in platforms, we need
|
||
# to make the platform list dependent on the evaluation platform
|
||
# in order to avoid eval errors with musl which supports less
|
||
# platforms than the default libcs (i. e. glibc / libSystem).
|
||
# This is done for the benefit of Hydra, so `packagePlatforms`
|
||
# won't return any platforms that would cause an evaluation
|
||
# failure for `pkgsMusl.haskell.compiler.ghc922Binary`, as
|
||
# long as the evaluator runs on a platform that supports
|
||
# `pkgsMusl`.
|
||
platforms = builtins.attrNames ghcBinDists.${distSetName};
|
||
maintainers = lib.teams.haskell.members;
|
||
};
|
||
}
|