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|
{ lib, stdenv
, fetchurl, perl, gcc
, ncurses5, ncurses6, gmp, glibc, libiconv
, llvmPackages
, coreutils
, targetPackages
}:
# Prebuilt only does native
assert stdenv.targetPlatform == stdenv.hostPlatform;
let
useLLVM = !(stdenv.targetPlatform.isx86
|| stdenv.targetPlatform.isPower
|| stdenv.targetPlatform.isSparc);
useNcurses6 = stdenv.hostPlatform.system == "x86_64-linux"
|| (with stdenv.hostPlatform; isPower64 && isLittleEndian);
ourNcurses = if useNcurses6 then ncurses6 else ncurses5;
libPath = lib.makeLibraryPath ([
ourNcurses gmp
] ++ lib.optional (stdenv.hostPlatform.isDarwin) libiconv);
libEnvVar = 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 $NIX_CC/nix-support/dynamic-linker)"''
else
"${lib.getLib glibc}/lib/ld-linux*";
downloadsUrl = "https://downloads.haskell.org/ghc";
runtimeDeps = [
targetPackages.stdenv.cc
targetPackages.stdenv.cc.bintools
coreutils # for cat
]
++ lib.optionals (assert useLLVM -> !(llvmPackages == null); useLLVM) [
(lib.getBin llvmPackages.llvm)
]
# On darwin, we need unwrapped bintools as well (for otool)
++ lib.optionals (stdenv.targetPlatform.linker == "cctools") [
targetPackages.stdenv.cc.bintools.bintools
];
in
stdenv.mkDerivation rec {
version = "8.6.5";
pname = "ghc-binary";
# https://downloads.haskell.org/~ghc/8.6.5/
src = fetchurl ({
i686-linux = {
# Don't use the Fedora27 build (as below) because there isn't one!
url = "${downloadsUrl}/${version}/ghc-${version}-i386-deb9-linux.tar.xz";
sha256 = "1p2h29qghql19ajk755xa0yxkn85slbds8m9n5196ris743vkp8w";
};
x86_64-linux = {
# This is the Fedora build because it links against ncurses6 where the
# deb9 one links against ncurses5, see here
# https://github.com/NixOS/nixpkgs/issues/85924 for a discussion
url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-fedora27-linux.tar.xz";
sha256 = "18dlqm5d028fqh6ghzn7pgjspr5smw030jjzl3kq6q1kmwzbay6g";
};
x86_64-darwin = {
url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-apple-darwin.tar.xz";
sha256 = "0s9188vhhgf23q3rjarwhbr524z6h2qga5xaaa2pma03sfqvvhfz";
};
powerpc64le-linux = {
url = "https://downloads.haskell.org/~ghc/${version}/ghc-${version}-powerpc64le-fedora29-linux.tar.xz";
sha256 = "sha256-tWSsJdPVrCiqDyIKzpBt5DaXb3b6j951tCya584kWs4=";
};
}.${stdenv.hostPlatform.system}
or (throw "cannot bootstrap GHC on this platform"));
nativeBuildInputs = [ perl ];
# 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
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@" {} \;
'' + lib.optionalString stdenv.isDarwin ''
find . -name base.buildinfo \
-exec sed -i "s@extra-lib-dirs: @extra-lib-dirs: ${libiconv}/lib@" {} \;
'' +
# Rename needed libraries and binaries, fix interpreter
lib.optionalString stdenv.isLinux ''
find . -type f -perm -0100 \
-exec patchelf \
--replace-needed libncurses${lib.optionalString stdenv.is64bit "w"}.so.5 libncurses.so \
${ # This isn't required for x86_64-linux where we use ncurses6
lib.optionalString (!useNcurses6) "--replace-needed libtinfo.so libtinfo.so.5"
} \
--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-${version}/ghc/stage2/build/tmp/ghc-stage2
'' +
# We're kludging a glibc bindist into working with non-glibc...
# Here we patch up the use of `__strdup` (part of glibc binary ABI)
# to instead use `strdup` since musl doesn't provide __strdup
# (`__strdup` is defined to be an alias of `strdup` anyway[1]).
# [1] http://refspecs.linuxbase.org/LSB_4.0.0/LSB-Core-generic/LSB-Core-generic/baselib---strdup-1.html
# Use objcopy magic to make the change:
lib.optionalString stdenv.hostPlatform.isMusl ''
find ./ghc-${version}/rts -name "libHSrts*.a" -exec ''${OBJCOPY:-objcopy} --redefine-sym __strdup=strdup {} \;
'';
configurePlatforms = [ ];
configureFlags = [
"--with-gmp-includes=${lib.getDev gmp}/include"
# Note `--with-gmp-libraries` does nothing for GHC bindists:
# https://gitlab.haskell.org/ghc/ghc/-/merge_requests/6124
] ++ lib.optional stdenv.isDarwin "--with-gcc=${./gcc-clang-wrapper.sh}"
++ lib.optional stdenv.hostPlatform.isMusl "--disable-ld-override";
# No building is necessary, but calling make without flags ironically
# calls install-strip ...
dontBuild = true;
# Patch scripts to include runtime dependencies in $PATH.
postInstall = ''
for i in "$out/bin/"*; do
test ! -h "$i" || continue
isScript "$i" || continue
sed -i -e '2i export PATH="${lib.makeBinPath runtimeDeps}:$PATH"' "$i"
done
'';
# On Linux, use patchelf to modify the executables so that they can
# find editline/gmp.
postFixup = 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
'' + 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
'';
# In nixpkgs, musl based builds currently enable `pie` hardening by default
# (see `defaultHardeningFlags` in `make-derivation.nix`).
# But GHC cannot currently produce outputs that are ready for `-pie` linking.
# Thus, disable `pie` hardening, otherwise `recompile with -fPIE` errors appear.
# See:
# * https://github.com/NixOS/nixpkgs/issues/129247
# * https://gitlab.haskell.org/ghc/ghc/-/issues/19580
hardeningDisable = lib.optional stdenv.targetPlatform.isMusl "pie";
doInstallCheck = true;
installCheckPhase = ''
# 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
env -i $out/bin/ghc --make main.hs || exit 1
echo compilation ok
[ $(./main) == "yes" ]
'';
passthru = {
targetPrefix = "";
enableShared = true;
inherit llvmPackages;
# Our Cabal compiler name
haskellCompilerName = "ghc-${version}";
};
meta = rec {
license = lib.licenses.bsd3;
platforms = [
"x86_64-linux"
"i686-linux"
"x86_64-darwin"
"powerpc64le-linux"
];
# build segfaults, use ghc8102Binary which has proper musl support instead
broken = stdenv.hostPlatform.isMusl;
maintainers = with lib.maintainers; [
guibou
] ++ lib.teams.haskell.members;
};
}
|