ghc8102Binary: init, enable armv7l

pkgs/development/compilers/ghc/8.10.2-binary.nix

@@ -0,0 +1,173 @@
+{ stdenv
+, fetchurl, perl, gcc
+, ncurses6, gmp, glibc, libiconv
+, llvmPackages
+}:
+
+# Prebuilt only does native
+assert stdenv.targetPlatform == stdenv.hostPlatform;
+
+let
+  useLLVM = !stdenv.targetPlatform.isx86;
+
+  libPath = stdenv.lib.makeLibraryPath ([
+    ncurses6 gmp
+  ] ++ stdenv.lib.optional (stdenv.hostPlatform.isDarwin) libiconv);
+
+  libEnvVar = stdenv.lib.optionalString stdenv.hostPlatform.isDarwin "DY"
+    + "LD_LIBRARY_PATH";
+
+  glibcDynLinker = assert stdenv.isLinux;
+    if stdenv.hostPlatform.libc == "glibc" then
+       # Could be stdenv.cc.bintools.dynamicLinker, keeping as-is to avoid rebuild.
+       ''"$(cat $NIX_CC/nix-support/dynamic-linker)"''
+    else
+      "${stdenv.lib.getLib glibc}/lib/ld-linux*";
+
+in
+
+stdenv.mkDerivation rec {
+  version = "8.10.2";
+
+  name = "ghc-${version}-binary";
+
+  # https://downloads.haskell.org/~ghc/8.10.2/
+  src = fetchurl ({
+    i686-linux = {
+      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-i386-deb9-linux.tar.xz";
+      sha256 = "0bvwisl4w0z5z8z0da10m9sv0mhm9na2qm43qxr8zl23mn32mblx";
+    };
+    x86_64-linux = {
+      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-x86_64-deb10-linux.tar.xz";
+      sha256 = "0chnzy9j23b2wa8clx5arwz8wnjfxyjmz9qkj548z14cqf13slcl";
+    };
+    armv7l-linux = {
+      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-armv7-deb10-linux.tar.xz";
+      sha256 = "1j41cq5d3rmlgz7hzw8f908fs79gc5mn3q5wz277lk8zdf19g75v";
+    };
+    aarch64-linux = {
+      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-aarch64-deb10-linux.tar.xz";
+      sha256 = "14smwl3741ixnbgi0l51a7kh7xjkiannfqx15b72svky0y4l3wjw";
+    };
+    x86_64-darwin = {
+      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-x86_64-apple-darwin.tar.xz";
+      sha256 = "1hngyq14l4f950hzhh2d204ca2gfc98pc9xdasxihzqd1jq75dzd";
+    };
+  }.${stdenv.hostPlatform.system}
+    or (throw "cannot bootstrap GHC on this platform"));
+
+  nativeBuildInputs = [ perl ];
+  propagatedBuildInputs = stdenv.lib.optionals useLLVM [ llvmPackages.llvm ];
+
+  # Cannot patchelf beforehand due to relative RPATHs that anticipate
+  # the final install location/
+  ${libEnvVar} = libPath;
+
+  postUnpack =
+    # GHC has dtrace probes, which causes ld to try to open /usr/lib/libdtrace.dylib
+    # during linking
+    stdenv.lib.optionalString stdenv.isDarwin ''
+      export NIX_LDFLAGS+=" -no_dtrace_dof"
+      # not enough room in the object files for the full path to libiconv :(
+      for exe in $(find . -type f -executable); do
+        isScript $exe && continue
+        ln -fs ${libiconv}/lib/libiconv.dylib $(dirname $exe)/libiconv.dylib
+        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 $exe
+      done
+    '' +
+
+    # Some scripts used during the build need to have their shebangs patched
+    ''
+      patchShebangs ghc-${version}/utils/
+      patchShebangs ghc-${version}/configure
+    '' +
+
+    # We have to patch the GMP paths for the integer-gmp package.
+    ''
+      find . -name integer-gmp.buildinfo \
+          -exec sed -i "s@extra-lib-dirs: @extra-lib-dirs: ${gmp.out}/lib@" {} \;
+    '' + stdenv.lib.optionalString stdenv.isDarwin ''
+      find . -name base.buildinfo \
+          -exec sed -i "s@extra-lib-dirs: @extra-lib-dirs: ${libiconv}/lib@" {} \;
+    '' +
+    # Rename needed libraries and binaries, fix interpreter
+    stdenv.lib.optionalString stdenv.isLinux ''
+      find . -type f -perm -0100 -exec patchelf \
+          --replace-needed libncurses${stdenv.lib.optionalString stdenv.is64bit "w"}.so.6 libncurses.so \
+          --interpreter ${glibcDynLinker} {} \;
+
+      sed -i "s|/usr/bin/perl|perl\x00        |" ghc-${version}/ghc/stage2/build/tmp/ghc-stage2
+      sed -i "s|/usr/bin/gcc|gcc\x00        |" ghc-${version}/ghc/stage2/build/tmp/ghc-stage2
+    '' +
+    # We're kludging a glibc bindist into working with non-glibc...
+    # Here we patch up the use of `__strdup` (part of glibc binary ABI)
+    # to instead use `strdup` since musl doesn't provide __strdup
+    # (`__strdup` is defined to be an alias of `strdup` anyway[1]).
+    # [1] http://refspecs.linuxbase.org/LSB_4.0.0/LSB-Core-generic/LSB-Core-generic/baselib---strdup-1.html
+    # Use objcopy magic to make the change:
+    stdenv.lib.optionalString stdenv.hostPlatform.isMusl ''
+      find ./ghc-${version}/rts -name "libHSrts*.a" -exec ''${OBJCOPY:-objcopy} --redefine-sym __strdup=strdup {} \;
+    '';
+
+  # fix for `configure: error: Your linker is affected by binutils #16177`
+  preConfigure = stdenv.lib.optionalString
+    stdenv.targetPlatform.isAarch32
+    "LD=ld.gold";
+
+  configurePlatforms = [ ];
+  configureFlags = [
+    "--with-gmp-libraries=${stdenv.lib.getLib gmp}/lib"
+    "--with-gmp-includes=${stdenv.lib.getDev gmp}/include"
+  ] ++ stdenv.lib.optional stdenv.isDarwin "--with-gcc=${./gcc-clang-wrapper.sh}"
+    ++ stdenv.lib.optional stdenv.hostPlatform.isMusl "--disable-ld-override";
+
+  # No building is necessary, but calling make without flags ironically
+  # calls install-strip ...
+  dontBuild = true;
+
+  # On Linux, use patchelf to modify the executables so that they can
+  # find editline/gmp.
+  postFixup = stdenv.lib.optionalString stdenv.isLinux ''
+    for p in $(find "$out" -type f -executable); do
+      if isELF "$p"; then
+        echo "Patchelfing $p"
+        patchelf --set-rpath "${libPath}:$(patchelf --print-rpath $p)" $p
+      fi
+    done
+  '' + stdenv.lib.optionalString stdenv.isDarwin ''
+    # not enough room in the object files for the full path to libiconv :(
+    for exe in $(find "$out" -type f -executable); do
+      isScript $exe && continue
+      ln -fs ${libiconv}/lib/libiconv.dylib $(dirname $exe)/libiconv.dylib
+      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
+    done
+
+    for file in $(find "$out" -name setup-config); do
+      substituteInPlace $file --replace /usr/bin/ranlib "$(type -P ranlib)"
+    done
+  '';
+
+  doInstallCheck = true;
+  installCheckPhase = ''
+    unset ${libEnvVar}
+    # Sanity check, can ghc create executables?
+    cd $TMP
+    mkdir test-ghc; cd test-ghc
+    cat > main.hs << EOF
+      {-# LANGUAGE TemplateHaskell #-}
+      module Main where
+      main = putStrLn \$([|"yes"|])
+    EOF
+    $out/bin/ghc --make main.hs || exit 1
+    echo compilation ok
+    [ $(./main) == "yes" ]
+  '';
+
+  passthru = {
+    targetPrefix = "";
+    enableShared = true;
+  };
+
+  meta.license = stdenv.lib.licenses.bsd3;
+  meta.platforms = ["x86_64-linux" "armv7l-linux" "aarch64-linux" "i686-linux" "x86_64-darwin"];
+}

pkgs/top-level/haskell-packages.nix

@@ -49,6 +49,10 @@ in {
 
     ghc865Binary = callPackage ../development/compilers/ghc/8.6.5-binary.nix { };
 
+    ghc8102Binary = callPackage ../development/compilers/ghc/8.10.2-binary.nix {
+      llvmPackages = pkgs.llvmPackages_9;
+    };
+
     ghc865 = callPackage ../development/compilers/ghc/8.6.5.nix {
       bootPkgs = packages.ghc822Binary;
       inherit (buildPackages.python3Packages) sphinx;
@@ -139,6 +143,12 @@ in {
       compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-8.6.x.nix { };
       packageSetConfig = bootstrapPackageSet;
     };
+    ghc8102Binary = callPackage ../development/haskell-modules {
+      buildHaskellPackages = bh.packages.ghc8102Binary;
+      ghc = bh.compiler.ghc8102Binary;
+      compilerConfig = callPackage ../development/haskell-modules/configuration-ghc-8.10.x.nix { };
+      packageSetConfig = bootstrapPackageSet;
+    };
     ghc865 = callPackage ../development/haskell-modules {
       buildHaskellPackages = bh.packages.ghc865;
       ghc = bh.compiler.ghc865;