mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-23 07:23:20 +00:00
232 lines
8.5 KiB
Nix
232 lines
8.5 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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, coreutils
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, targetPackages
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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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|| stdenv.targetPlatform.isPower
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|| stdenv.targetPlatform.isSparc);
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useNcurses6 = stdenv.hostPlatform.system == "x86_64-linux"
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|| (with stdenv.hostPlatform; isPower64 && isLittleEndian);
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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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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 (assert useLLVM -> !(llvmPackages == null); 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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version = "8.6.5";
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pname = "ghc-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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x86_64-darwin = {
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url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-apple-darwin.tar.xz";
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sha256 = "0s9188vhhgf23q3rjarwhbr524z6h2qga5xaaa2pma03sfqvvhfz";
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};
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powerpc64le-linux = {
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url = "https://downloads.haskell.org/~ghc/${version}/ghc-${version}-powerpc64le-fedora29-linux.tar.xz";
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sha256 = "sha256-tWSsJdPVrCiqDyIKzpBt5DaXb3b6j951tCya584kWs4=";
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};
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}.${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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# 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-${version}/configure
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test -d ghc-${version}/inplace/bin && \
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patchShebangs ghc-${version}/inplace/bin
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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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# 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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'';
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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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# 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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[ $(./main) == "yes" ]
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'';
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passthru = {
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targetPrefix = "";
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enableShared = true;
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inherit llvmPackages;
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# Our Cabal compiler name
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haskellCompilerName = "ghc-${version}";
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};
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meta = rec {
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license = lib.licenses.bsd3;
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platforms = [
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"x86_64-linux"
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"i686-linux"
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"x86_64-darwin"
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"powerpc64le-linux"
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];
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# build segfaults, use ghc8107Binary which has proper musl support instead
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broken = stdenv.hostPlatform.isMusl;
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maintainers = with lib.maintainers; [
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guibou
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] ++ lib.teams.haskell.members;
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};
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}
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