283 lines
11 KiB
Nix
283 lines
11 KiB
Nix
{ lib, stdenv, pkgsBuildTarget, targetPackages
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# build-tools
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, bootPkgs
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, autoconf, automake, coreutils, fetchurl, perl, python3, m4, sphinx
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, bash
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, libiconv ? null, ncurses
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, # GHC can be built with system libffi or a bundled one.
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libffi ? null
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, useLLVM ? !stdenv.targetPlatform.isx86
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, # LLVM is conceptually a run-time-only depedendency, but for
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# non-x86, we need LLVM to bootstrap later stages, so it becomes a
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# build-time dependency too.
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buildLlvmPackages, llvmPackages
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, # If enabled, GHC will be built with the GPL-free but slower integer-simple
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# library instead of the faster but GPLed integer-gmp library.
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enableIntegerSimple ? !(lib.meta.availableOn stdenv.hostPlatform gmp), gmp
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, # If enabled, use -fPIC when compiling static libs.
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enableRelocatedStaticLibs ? stdenv.targetPlatform != stdenv.hostPlatform
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# aarch64 outputs otherwise exceed 2GB limit
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, enableProfiledLibs ? !stdenv.targetPlatform.isAarch64
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, # Whether to build dynamic libs for the standard library (on the target
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# platform). Static libs are always built.
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enableShared ? !stdenv.targetPlatform.isWindows && !stdenv.targetPlatform.useiOSPrebuilt
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, # Whether to build terminfo.
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enableTerminfo ? !stdenv.targetPlatform.isWindows
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, # What flavour to build. An empty string indicates no
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# specific flavour and falls back to ghc default values.
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ghcFlavour ? lib.optionalString (stdenv.targetPlatform != stdenv.hostPlatform)
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(if useLLVM then "perf-cross" else "perf-cross-ncg")
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, # Whether to disable the large address space allocator
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# necessary fix for iOS: https://www.reddit.com/r/haskell/comments/4ttdz1/building_an_osxi386_to_iosarm64_cross_compiler/d5qvd67/
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disableLargeAddressSpace ? stdenv.targetPlatform.isDarwin && stdenv.targetPlatform.isAarch64
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}:
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assert !enableIntegerSimple -> gmp != null;
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let
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inherit (stdenv) buildPlatform hostPlatform targetPlatform;
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inherit (bootPkgs) ghc;
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# TODO(@Ericson2314) Make unconditional
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targetPrefix = lib.optionalString
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(targetPlatform != hostPlatform)
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"${targetPlatform.config}-";
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buildMK = dontStrip: ''
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BuildFlavour = ${ghcFlavour}
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ifneq \"\$(BuildFlavour)\" \"\"
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include mk/flavours/\$(BuildFlavour).mk
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endif
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DYNAMIC_GHC_PROGRAMS = ${if enableShared then "YES" else "NO"}
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INTEGER_LIBRARY = ${if enableIntegerSimple then "integer-simple" else "integer-gmp"}
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''
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# We only need to build stage1 on most cross-compilation because
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# we will be running the compiler on the native system. In some
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# situations, like native Musl compilation, we need the compiler
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# to actually link to our new Libc. The iOS simulator is a special
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# exception because we can’t actually run simulators binaries
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# ourselves.
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+ lib.optionalString (targetPlatform != hostPlatform) ''
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Stage1Only = ${if (targetPlatform.system == hostPlatform.system && !targetPlatform.isiOS) then "NO" else "YES"}
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CrossCompilePrefix = ${targetPrefix}
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HADDOCK_DOCS = NO
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BUILD_SPHINX_HTML = NO
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BUILD_SPHINX_PDF = NO
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'' + lib.optionalString dontStrip ''
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STRIP_CMD = :
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'' + lib.optionalString (!enableProfiledLibs) ''
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GhcLibWays = "v dyn"
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'' + lib.optionalString enableRelocatedStaticLibs ''
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GhcLibHcOpts += -fPIC
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GhcRtsHcOpts += -fPIC
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'' + lib.optionalString targetPlatform.useAndroidPrebuilt ''
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EXTRA_CC_OPTS += -std=gnu99
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'';
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# Splicer will pull out correct variations
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libDeps = platform: lib.optional enableTerminfo ncurses
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++ [libffi]
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++ lib.optional (!enableIntegerSimple) gmp
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++ lib.optional (platform.libc != "glibc" && !targetPlatform.isWindows) libiconv;
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toolsForTarget = [
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pkgsBuildTarget.targetPackages.stdenv.cc
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] ++ lib.optional useLLVM buildLlvmPackages.llvm;
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targetCC = builtins.head toolsForTarget;
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# Use gold either following the default, or to avoid the BFD linker due to some bugs / perf issues.
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# But we cannot avoid BFD when using musl libc due to https://sourceware.org/bugzilla/show_bug.cgi?id=23856
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# see #84670 and #49071 for more background.
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useLdGold = targetPlatform.linker == "gold" || (targetPlatform.linker == "bfd" && !targetPlatform.isMusl);
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runtimeDeps = [
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targetPackages.stdenv.cc.bintools
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coreutils
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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 = "8.8.4";
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name = "${targetPrefix}ghc-${version}";
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src = fetchurl {
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url = "https://downloads.haskell.org/ghc/${version}/ghc-${version}-src.tar.xz";
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sha256 = "0bgwbxxvdn56l91bp9p5d083gzcfdi6z8l8b17qzjpr3n8w5wl7h";
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};
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enableParallelBuilding = true;
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outputs = [ "out" "doc" ];
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patches = [
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# See upstream patch at
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# https://gitlab.haskell.org/ghc/ghc/-/merge_requests/4885. Since we build
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# from source distributions, the auto-generated configure script needs to be
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# patched as well, therefore we use an in-tree patch instead of pulling the
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# upstream patch. Don't forget to check backport status of the upstream patch
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# when adding new GHC releases in nixpkgs.
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./respect-ar-path.patch
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];
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postPatch = "patchShebangs .";
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# GHC is a bit confused on its cross terminology.
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preConfigure = lib.optionalString stdenv.isAarch64 ''
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# Aarch64 allow backward bootstrapping since earlier versions are unstable.
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find . -name \*\.cabal\* -exec sed -i -e 's/\(base.*\)4.14/\14.16/' {} \; \
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-exec sed -i -e 's/\(prim.*\)0.6/\10.8/' {} \;
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'' + ''
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for env in $(env | grep '^TARGET_' | sed -E 's|\+?=.*||'); do
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export "''${env#TARGET_}=''${!env}"
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done
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# GHC is a bit confused on its cross terminology, as these would normally be
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# the *host* tools.
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export CC="${targetCC}/bin/${targetCC.targetPrefix}cc"
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export CXX="${targetCC}/bin/${targetCC.targetPrefix}cxx"
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# Use gold to work around https://sourceware.org/bugzilla/show_bug.cgi?id=16177
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export LD="${targetCC.bintools}/bin/${targetCC.bintools.targetPrefix}ld${lib.optionalString useLdGold ".gold"}"
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export AS="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}as"
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export AR="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}ar"
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export NM="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}nm"
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export RANLIB="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}ranlib"
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export READELF="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}readelf"
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export STRIP="${targetCC.bintools.bintools}/bin/${targetCC.bintools.targetPrefix}strip"
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echo -n "${buildMK dontStrip}" > mk/build.mk
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sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure
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'' + lib.optionalString (!stdenv.isDarwin) ''
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export NIX_LDFLAGS+=" -rpath $out/lib/ghc-${version}"
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'' + lib.optionalString stdenv.isDarwin ''
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export NIX_LDFLAGS+=" -no_dtrace_dof"
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'' + lib.optionalString targetPlatform.useAndroidPrebuilt ''
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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
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'' + lib.optionalString targetPlatform.isMusl ''
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echo "patching llvm-targets for musl targets..."
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echo "Cloning these existing '*-linux-gnu*' targets:"
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grep linux-gnu llvm-targets | sed 's/^/ /'
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echo "(go go gadget sed)"
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sed -i 's,\(^.*linux-\)gnu\(.*\)$,\0\n\1musl\2,' llvm-targets
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echo "llvm-targets now contains these '*-linux-musl*' targets:"
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grep linux-musl llvm-targets | sed 's/^/ /'
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echo "And now patching to preserve '-musleabi' as done with '-gnueabi'"
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# (aclocal.m4 is actual source, but patch configure as well since we don't re-gen)
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for x in configure aclocal.m4; do
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substituteInPlace $x \
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--replace '*-android*|*-gnueabi*)' \
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'*-android*|*-gnueabi*|*-musleabi*)'
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done
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'';
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# TODO(@Ericson2314): Always pass "--target" and always prefix.
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configurePlatforms = [ "build" "host" ]
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++ lib.optional (targetPlatform != hostPlatform) "target";
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# `--with` flags for libraries needed for RTS linker
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configureFlags = [
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"--datadir=$doc/share/doc/ghc"
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"--with-curses-includes=${ncurses.dev}/include" "--with-curses-libraries=${ncurses.out}/lib"
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] ++ lib.optionals (libffi != null) [
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"--with-system-libffi"
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"--with-ffi-includes=${targetPackages.libffi.dev}/include"
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"--with-ffi-libraries=${targetPackages.libffi.out}/lib"
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] ++ lib.optionals (targetPlatform == hostPlatform && !enableIntegerSimple) [
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"--with-gmp-includes=${targetPackages.gmp.dev}/include"
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"--with-gmp-libraries=${targetPackages.gmp.out}/lib"
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] ++ lib.optionals (targetPlatform == hostPlatform && hostPlatform.libc != "glibc" && !targetPlatform.isWindows) [
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"--with-iconv-includes=${libiconv}/include"
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"--with-iconv-libraries=${libiconv}/lib"
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] ++ lib.optionals (targetPlatform != hostPlatform) [
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"--enable-bootstrap-with-devel-snapshot"
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] ++ lib.optionals useLdGold [
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"CFLAGS=-fuse-ld=gold"
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"CONF_GCC_LINKER_OPTS_STAGE1=-fuse-ld=gold"
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"CONF_GCC_LINKER_OPTS_STAGE2=-fuse-ld=gold"
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] ++ lib.optionals (disableLargeAddressSpace) [
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"--disable-large-address-space"
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];
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# Make sure we never relax`$PATH` and hooks support for compatibility.
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strictDeps = true;
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# Don’t add -liconv to LDFLAGS automatically so that GHC will add it itself.
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dontAddExtraLibs = true;
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nativeBuildInputs = [
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perl autoconf automake m4 python3 sphinx
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ghc bootPkgs.alex bootPkgs.happy bootPkgs.hscolour
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];
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# For building runtime libs
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depsBuildTarget = toolsForTarget;
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buildInputs = [ perl bash ] ++ (libDeps hostPlatform);
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propagatedBuildInputs = [ targetPackages.stdenv.cc ]
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++ lib.optional useLLVM llvmPackages.llvm;
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depsTargetTarget = map lib.getDev (libDeps targetPlatform);
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depsTargetTargetPropagated = map (lib.getOutput "out") (libDeps targetPlatform);
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# required, because otherwise all symbols from HSffi.o are stripped, and
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# that in turn causes GHCi to abort
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stripDebugFlags = [ "-S" ] ++ lib.optional (!targetPlatform.isDarwin) "--keep-file-symbols";
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checkTarget = "test";
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hardeningDisable = [ "format" ] ++ lib.optional stdenv.targetPlatform.isMusl "pie";
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postInstall = ''
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# Install the bash completion file.
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install -D -m 444 utils/completion/ghc.bash $out/share/bash-completion/completions/${targetPrefix}ghc
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# Patch scripts to include "readelf" and "cat" in $PATH.
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for i in "$out/bin/"*; do
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test ! -h $i || continue
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egrep --quiet '^#!' <(head -n 1 $i) || continue
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sed -i -e '2i export PATH="$PATH:${lib.makeBinPath runtimeDeps}"' $i
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done
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'';
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passthru = {
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inherit bootPkgs targetPrefix;
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inherit llvmPackages;
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inherit enableShared;
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# Our Cabal compiler name
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haskellCompilerName = "ghc-${version}";
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};
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meta = {
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homepage = "http://haskell.org/ghc";
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description = "The Glasgow Haskell Compiler";
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maintainers = with lib.maintainers; [ marcweber andres peti ];
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timeout = 24 * 3600;
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inherit (ghc.meta) license platforms;
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};
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dontStrip = (targetPlatform.useAndroidPrebuilt || targetPlatform.isWasm);
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} // lib.optionalAttrs targetPlatform.useAndroidPrebuilt{
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dontPatchELF = true;
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noAuditTmpdir = true;
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})
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