{ stdenv, targetPackages , buildPlatform, hostPlatform, targetPlatform # build-tools , bootPkgs, alex, happy, hscolour , autoconf, automake, coreutils, fetchurl, fetchpatch, perl, python3, m4 , libffi, libiconv ? null, ncurses , useLLVM ? !targetPlatform.isx86 || (targetPlatform.isMusl && hostPlatform != targetPlatform) , # LLVM is conceptually a run-time-only depedendency, but for # non-x86, we need LLVM to bootstrap later stages, so it becomes a # build-time dependency too. buildLlvmPackages, llvmPackages , # If enabled, GHC will be built with the GPL-free but slower integer-simple # library instead of the faster but GPLed integer-gmp library. enableIntegerSimple ? !(gmp.meta.available or false), gmp , # If enabled, use -fPIC when compiling static libs. enableRelocatedStaticLibs ? targetPlatform != hostPlatform , # Whether to build dynamic libs for the standard library (on the target # platform). Static libs are always built. enableShared ? !targetPlatform.isWindows && !targetPlatform.useiOSPrebuilt , # Whetherto build terminfo. enableTerminfo ? !targetPlatform.isWindows , # What flavour to build. An empty string indicates no # specific flavour and falls back to ghc default values. ghcFlavour ? stdenv.lib.optionalString (targetPlatform != hostPlatform) "perf-cross" }: assert !enableIntegerSimple -> gmp != null; let inherit (bootPkgs) ghc; # TODO(@Ericson2314) Make unconditional targetPrefix = stdenv.lib.optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}-"; buildMK = '' BuildFlavour = ${ghcFlavour} ifneq \"\$(BuildFlavour)\" \"\" include mk/flavours/\$(BuildFlavour).mk endif DYNAMIC_GHC_PROGRAMS = ${if enableShared then "YES" else "NO"} INTEGER_LIBRARY = ${if enableIntegerSimple then "integer-simple" else "integer-gmp"} '' + stdenv.lib.optionalString (targetPlatform != hostPlatform) '' Stage1Only = ${if targetPlatform.system == hostPlatform.system then "NO" else "YES"} CrossCompilePrefix = ${targetPrefix} HADDOCK_DOCS = NO BUILD_SPHINX_HTML = NO BUILD_SPHINX_PDF = NO '' + stdenv.lib.optionalString enableRelocatedStaticLibs '' GhcLibHcOpts += -fPIC GhcRtsHcOpts += -fPIC '' + stdenv.lib.optionalString targetPlatform.useAndroidPrebuilt '' EXTRA_CC_OPTS += -std=gnu99 ''; # Splicer will pull out correct variations libDeps = platform: stdenv.lib.optional enableTerminfo [ ncurses ] ++ stdenv.lib.optional (!enableIntegerSimple) gmp ++ stdenv.lib.optional (platform.libc != "glibc" && !targetPlatform.isWindows) libiconv; toolsForTarget = if hostPlatform == buildPlatform then [ targetPackages.stdenv.cc ] ++ stdenv.lib.optional useLLVM llvmPackages.llvm else assert targetPlatform == hostPlatform; # build != host == target [ stdenv.cc ] ++ stdenv.lib.optional useLLVM buildLlvmPackages.llvm; targetCC = builtins.head toolsForTarget; in stdenv.mkDerivation (rec { version = "8.4.3"; name = "${targetPrefix}ghc-${version}"; src = fetchurl { url = "https://downloads.haskell.org/~ghc/${version}/ghc-${version}-src.tar.xz"; sha256 = "1mk046vb561j75saz05rghhbkps46ym5aci4264dwc2qk3dayixf"; }; enableParallelBuilding = true; outputs = [ "out" "doc" ]; patches = [(fetchpatch { url = "https://git.haskell.org/hsc2hs.git/patch/738f3666c878ee9e79c3d5e819ef8b3460288edf"; sha256 = "0plzsbfaq6vb1023lsarrjglwgr9chld4q3m99rcfzx0yx5mibp3"; extraPrefix = "utils/hsc2hs/"; stripLen = 1; })] ++ stdenv.lib.optional stdenv.isDarwin ./backport-dylib-command-size-limit.patch; postPatch = "patchShebangs ."; # GHC is a bit confused on its cross terminology. preConfigure = '' for env in $(env | grep '^TARGET_' | sed -E 's|\+?=.*||'); do export "''${env#TARGET_}=''${!env}" done # GHC is a bit confused on its cross terminology, as these would normally be # the *host* tools. export CC="${targetCC}/bin/${targetCC.targetPrefix}cc" export CXX="${targetCC}/bin/${targetCC.targetPrefix}cxx" # Use gold to work around https://sourceware.org/bugzilla/show_bug.cgi?id=16177 export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld${stdenv.lib.optionalString targetPlatform.isAarch32 ".gold"}" export AS="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}as" export AR="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}ar" export NM="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}nm" export RANLIB="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}ranlib" export READELF="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}readelf" export STRIP="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}strip" echo -n "${buildMK}" > mk/build.mk sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure '' + stdenv.lib.optionalString (!stdenv.isDarwin) '' export NIX_LDFLAGS+=" -rpath $out/lib/ghc-${version}" '' + stdenv.lib.optionalString stdenv.isDarwin '' export NIX_LDFLAGS+=" -no_dtrace_dof" '' + stdenv.lib.optionalString targetPlatform.useAndroidPrebuilt '' sed -i -e '5i ,("armv7a-unknown-linux-androideabi", ("e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64", "cortex-a8", ""))' llvm-targets '' + stdenv.lib.optionalString targetPlatform.isMusl '' echo "patching llvm-targets for musl targets..." echo "Cloning these existing '*-linux-gnu*' targets:" grep linux-gnu llvm-targets | sed 's/^/ /' echo "(go go gadget sed)" sed -i 's,\(^.*linux-\)gnu\(.*\)$,\0\n\1musl\2,' llvm-targets echo "llvm-targets now contains these '*-linux-musl*' targets:" grep linux-musl llvm-targets | sed 's/^/ /' echo "And now patching to preserve '-musleabi' as done with '-gnueabi'" # (aclocal.m4 is actual source, but patch configure as well since we don't re-gen) for x in configure aclocal.m4; do substituteInPlace $x \ --replace '*-android*|*-gnueabi*)' \ '*-android*|*-gnueabi*|*-musleabi*)' done ''; # TODO(@Ericson2314): Always pass "--target" and always prefix. configurePlatforms = [ "build" "host" ] ++ stdenv.lib.optional (targetPlatform != hostPlatform) "target"; # `--with` flags for libraries needed for RTS linker configureFlags = [ "--datadir=$doc/share/doc/ghc" "--with-curses-includes=${ncurses.dev}/include" "--with-curses-libraries=${ncurses.out}/lib" ] ++ (if (targetPlatform == hostPlatform && !enableIntegerSimple) then [ "--with-gmp-includes=${gmp.dev}/include" "--with-gmp-libraries=${gmp.out}/lib" ] else [ "--with-gmp-includes=${targetPackages.gmp.dev}/include" "--with-gmp-libraries=${targetPackages.gmp.out}/lib" ]) ++ stdenv.lib.optional (targetPlatform == hostPlatform && hostPlatform.libc != "glibc" && !targetPlatform.isWindows) [ "--with-iconv-includes=${libiconv}/include" "--with-iconv-libraries=${libiconv}/lib" ] ++ stdenv.lib.optionals (targetPlatform != hostPlatform) [ "--enable-bootstrap-with-devel-snapshot" ] ++ stdenv.lib.optionals (targetPlatform.isAarch32) [ "CFLAGS=-fuse-ld=gold" "CONF_GCC_LINKER_OPTS_STAGE1=-fuse-ld=gold" "CONF_GCC_LINKER_OPTS_STAGE2=-fuse-ld=gold" ] ++ stdenv.lib.optionals (targetPlatform.isDarwin && targetPlatform.isAarch64) [ # fix for iOS: https://www.reddit.com/r/haskell/comments/4ttdz1/building_an_osxi386_to_iosarm64_cross_compiler/d5qvd67/ "--disable-large-address-space" ]; # Make sure we never relax`$PATH` and hooks support for compatability. strictDeps = true; nativeBuildInputs = [ perl autoconf automake m4 python3 ghc alex happy hscolour ]; # For building runtime libs depsBuildTarget = toolsForTarget; buildInputs = libDeps hostPlatform; propagatedBuildInputs = [ targetPackages.stdenv.cc ] ++ stdenv.lib.optional useLLVM llvmPackages.llvm; depsTargetTarget = map stdenv.lib.getDev (libDeps targetPlatform); depsTargetTargetPropagated = map (stdenv.lib.getOutput "out") (libDeps targetPlatform); # required, because otherwise all symbols from HSffi.o are stripped, and # that in turn causes GHCi to abort stripDebugFlags = [ "-S" ] ++ stdenv.lib.optional (!targetPlatform.isDarwin) "--keep-file-symbols"; checkTarget = "test"; hardeningDisable = [ "format" ]; postInstall = '' for bin in "$out"/lib/${name}/bin/*; do isELF "$bin" || continue paxmark m "$bin" done # Install the bash completion file. install -D -m 444 utils/completion/ghc.bash $out/share/bash-completion/completions/${targetPrefix}ghc # Patch scripts to include "readelf" and "cat" in $PATH. for i in "$out/bin/"*; do test ! -h $i || continue egrep --quiet '^#!' <(head -n 1 $i) || continue sed -i -e '2i export PATH="$PATH:${stdenv.lib.makeBinPath [ targetPackages.stdenv.cc.bintools coreutils ]}"' $i done ''; passthru = { inherit bootPkgs targetPrefix; inherit llvmPackages; inherit enableShared; # Our Cabal compiler name haskellCompilerName = "ghc-8.4.3"; }; meta = { homepage = http://haskell.org/ghc; description = "The Glasgow Haskell Compiler"; maintainers = with stdenv.lib.maintainers; [ marcweber andres peti ]; inherit (ghc.meta) license platforms; }; } // stdenv.lib.optionalAttrs targetPlatform.useAndroidPrebuilt { dontStrip = true; dontPatchELF = true; noAuditTmpdir = true; })