54e1d5a3e6
The musl support for binary GHC 8.6.5 relied on ABI compat between musl and glibc which is no longer the case: https://github.com/NixOS/nixpkgs/issues/129247 Since there is no upstream musl (alpine) bindist for GHC 8.6.5, we can only accept that binary 8.6.5 is not possible with musl.
196 lines
7.5 KiB
Nix
196 lines
7.5 KiB
Nix
{ lib, stdenv
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, fetchurl, perl, gcc
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, ncurses5, ncurses6, gmp, glibc, libiconv
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, llvmPackages
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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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useLLVM = !stdenv.targetPlatform.isx86;
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useNcurses6 = stdenv.hostPlatform.system == "x86_64-linux";
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ourNcurses = if useNcurses6 then ncurses6 else ncurses5;
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libPath = lib.makeLibraryPath ([
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ourNcurses gmp
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] ++ lib.optional (stdenv.hostPlatform.isDarwin) libiconv);
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libEnvVar = lib.optionalString stdenv.hostPlatform.isDarwin "DY"
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+ "LD_LIBRARY_PATH";
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glibcDynLinker = assert stdenv.isLinux;
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if stdenv.hostPlatform.libc == "glibc" then
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# Could be stdenv.cc.bintools.dynamicLinker, keeping as-is to avoid rebuild.
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''"$(cat $NIX_CC/nix-support/dynamic-linker)"''
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else
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"${lib.getLib glibc}/lib/ld-linux*";
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downloadsUrl = "https://downloads.haskell.org/ghc";
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in
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stdenv.mkDerivation rec {
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version = "8.6.5";
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name = "ghc-${version}-binary";
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# https://downloads.haskell.org/~ghc/8.6.5/
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src = fetchurl ({
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i686-linux = {
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# Don't use the Fedora27 build (as below) because there isn't one!
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url = "${downloadsUrl}/${version}/ghc-${version}-i386-deb9-linux.tar.xz";
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sha256 = "1p2h29qghql19ajk755xa0yxkn85slbds8m9n5196ris743vkp8w";
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};
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x86_64-linux = {
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# This is the Fedora build because it links against ncurses6 where the
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# deb9 one links against ncurses5, see here
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# https://github.com/NixOS/nixpkgs/issues/85924 for a discussion
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url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-fedora27-linux.tar.xz";
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sha256 = "18dlqm5d028fqh6ghzn7pgjspr5smw030jjzl3kq6q1kmwzbay6g";
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};
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aarch64-linux = {
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url = "${downloadsUrl}/${version}/ghc-${version}-aarch64-ubuntu18.04-linux.tar.xz";
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sha256 = "11n7l2a36i5vxzzp85la2555q4m34l747g0pnmd81cp46y85hlhq";
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};
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x86_64-darwin = {
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url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-apple-darwin.tar.xz";
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sha256 = "0s9188vhhgf23q3rjarwhbr524z6h2qga5xaaa2pma03sfqvvhfz";
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};
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}.${stdenv.hostPlatform.system}
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or (throw "cannot bootstrap GHC on this platform"));
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nativeBuildInputs = [ perl ];
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propagatedBuildInputs = lib.optionals useLLVM [ llvmPackages.llvm ];
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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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# 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.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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isScript $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 $exe
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done
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'' +
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# Some scripts used during the build need to have their shebangs patched
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''
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patchShebangs ghc-${version}/utils/
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patchShebangs ghc-${version}/configure
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'' +
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# We have to patch the GMP paths for the integer-gmp package.
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''
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find . -name integer-gmp.buildinfo \
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-exec sed -i "s@extra-lib-dirs: @extra-lib-dirs: ${gmp.out}/lib@" {} \;
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'' + lib.optionalString stdenv.isDarwin ''
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find . -name base.buildinfo \
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-exec sed -i "s@extra-lib-dirs: @extra-lib-dirs: ${libiconv}/lib@" {} \;
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'' +
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# Rename needed libraries and binaries, fix interpreter
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lib.optionalString stdenv.isLinux ''
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find . -type f -perm -0100 \
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-exec patchelf \
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--replace-needed libncurses${lib.optionalString stdenv.is64bit "w"}.so.5 libncurses.so \
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${ # This isn't required for x86_64-linux where we use ncurses6
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lib.optionalString (!useNcurses6) "--replace-needed libtinfo.so libtinfo.so.5"
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} \
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--interpreter ${glibcDynLinker} {} \;
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sed -i "s|/usr/bin/perl|perl\x00 |" ghc-${version}/ghc/stage2/build/tmp/ghc-stage2
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sed -i "s|/usr/bin/gcc|gcc\x00 |" ghc-${version}/ghc/stage2/build/tmp/ghc-stage2
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'' +
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# We're kludging a glibc bindist into working with non-glibc...
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# Here we patch up the use of `__strdup` (part of glibc binary ABI)
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# to instead use `strdup` since musl doesn't provide __strdup
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# (`__strdup` is defined to be an alias of `strdup` anyway[1]).
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# [1] http://refspecs.linuxbase.org/LSB_4.0.0/LSB-Core-generic/LSB-Core-generic/baselib---strdup-1.html
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# Use objcopy magic to make the change:
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lib.optionalString stdenv.hostPlatform.isMusl ''
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find ./ghc-${version}/rts -name "libHSrts*.a" -exec ''${OBJCOPY:-objcopy} --redefine-sym __strdup=strdup {} \;
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'';
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configurePlatforms = [ ];
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configureFlags = [
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"--with-gmp-includes=${lib.getDev gmp}/include"
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# Note `--with-gmp-libraries` does nothing for GHC bindists:
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# https://gitlab.haskell.org/ghc/ghc/-/merge_requests/6124
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] ++ lib.optional stdenv.isDarwin "--with-gcc=${./gcc-clang-wrapper.sh}"
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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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# 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.isLinux ''
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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.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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isScript $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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# 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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unset ${libEnvVar}
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# Sanity check, can ghc create executables?
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cd $TMP
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mkdir test-ghc; cd test-ghc
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cat > main.hs << EOF
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{-# LANGUAGE TemplateHaskell #-}
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module Main where
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main = putStrLn \$([|"yes"|])
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EOF
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$out/bin/ghc --make main.hs || exit 1
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echo compilation ok
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[ $(./main) == "yes" ]
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'';
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passthru = {
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targetPrefix = "";
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enableShared = true;
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# Our Cabal compiler name
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haskellCompilerName = "ghc-${version}";
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};
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meta = rec {
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license = lib.licenses.bsd3;
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platforms = ["x86_64-linux" "aarch64-linux" "i686-linux" "x86_64-darwin"];
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hydraPlatforms = builtins.filter (p: p != "aarch64-linux") platforms;
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# build segfaults, use ghc8102Binary which has proper musl support instead
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broken = stdenv.hostPlatform.isMusl;
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};
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}
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