331 lines
13 KiB
Nix
331 lines
13 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, fetchpatch, perl, python3, m4, sphinx, xattr
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, bash
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, libiconv ? null, ncurses
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, glibcLocales ? null
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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 build sphinx documentation.
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enableDocs ? (
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# Docs disabled for musl and cross because it's a large task to keep
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# all `sphinx` dependencies building in those environments.
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# `sphinx` pullls in among others:
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# Ruby, Python, Perl, Rust, OpenGL, Xorg, gtk, LLVM.
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(stdenv.targetPlatform == stdenv.hostPlatform)
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&& !stdenv.hostPlatform.isMusl
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)
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, enableHaddockProgram ?
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# Disabled for cross; see note [HADDOCK_DOCS].
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(stdenv.targetPlatform == stdenv.hostPlatform)
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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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# Cross cannot currently build the `haddock` program for silly reasons,
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# see note [HADDOCK_DOCS].
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assert (stdenv.targetPlatform != stdenv.hostPlatform) -> !enableHaddockProgram;
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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 = ''
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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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BUILD_SPHINX_HTML = ${if enableDocs then "YES" else "NO"}
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BUILD_SPHINX_PDF = NO
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'' +
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# Note [HADDOCK_DOCS]:
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# Unfortunately currently `HADDOCK_DOCS` controls both whether the `haddock`
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# program is built (which we generally always want to have a complete GHC install)
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# and whether it is run on the GHC sources to generate hyperlinked source code
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# (which is impossible for cross-compilation); see:
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# https://gitlab.haskell.org/ghc/ghc/-/issues/20077
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# This implies that currently a cross-compiled GHC will never have a `haddock`
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# program, so it can never generate haddocks for any packages.
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# If this is solved in the future, we'd like to unconditionally
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# build the haddock program (removing the `enableHaddockProgram` option).
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''
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HADDOCK_DOCS = ${if enableHaddockProgram then "YES" else "NO"}
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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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'' + lib.optionalString (targetPlatform != hostPlatform) ''
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Stage1Only = ${if targetPlatform.system == hostPlatform.system then "NO" else "YES"}
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CrossCompilePrefix = ${targetPrefix}
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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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# Makes debugging easier to see which variant is at play in `nix-store -q --tree`.
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variantSuffix = lib.concatStrings [
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(lib.optionalString stdenv.hostPlatform.isMusl "-musl")
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(lib.optionalString enableIntegerSimple "-integer-simple")
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];
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in
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stdenv.mkDerivation (rec {
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version = "9.2.0.20210821";
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pname = "${targetPrefix}ghc${variantSuffix}";
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src = fetchurl {
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url = "https://downloads.haskell.org/ghc/9.2.1-rc1/ghc-${version}-src.tar.xz";
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sha256 = "1q2pppxv2avhykyxvyq72r5p97rkkiqp19b77yhp85ralbcp4ivw";
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};
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patches = [
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# picked from release branch, remove with the next release candidate,
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# see https://gitlab.haskell.org/ghc/ghc/-/issues/19950#note_373726
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(fetchpatch {
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name = "fix-darwin-link-failure.patch";
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url = "https://gitlab.haskell.org/ghc/ghc/-/commit/77456387025ca74299ecc70621cbdb62b1b6ffc9.patch";
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sha256 = "1g8smrn7hj8cbp9fhrylvmrb15s0xd8lhdgxqnx0asnd4az82gj8";
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})
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];
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enableParallelBuilding = true;
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outputs = [ "out" "doc" ];
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postPatch = "patchShebangs .";
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# GHC needs the locale configured during the Haddock phase.
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LANG = "en_US.UTF-8";
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# GHC is a bit confused on its cross terminology.
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preConfigure = ''
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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 "${buildMK}" > mk/build.mk
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sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure
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'' + lib.optionalString (stdenv.isLinux && hostPlatform.libc == "glibc") ''
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export LOCALE_ARCHIVE="${glibcLocales}/lib/locale/locale-archive"
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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
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ghc bootPkgs.alex bootPkgs.happy bootPkgs.hscolour
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] ++ lib.optionals enableDocs [
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sphinx
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] ++ lib.optionals stdenv.isDarwin [
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# TODO(@sternenseemann): use XATTR env var after backport of
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# https://gitlab.haskell.org/ghc/ghc/-/merge_requests/6447
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xattr
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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 =
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[ "format" ]
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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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++ lib.optional stdenv.targetPlatform.isMusl "pie";
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# big-parallel allows us to build with more than 2 cores on
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# Hydra which already warrants a significant speedup
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requiredSystemFeatures = [ "big-parallel" ];
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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; [
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guibou
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] ++ lib.teams.haskell.members;
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timeout = 24 * 3600;
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inherit (ghc.meta) license platforms;
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};
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} // lib.optionalAttrs targetPlatform.useAndroidPrebuilt {
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dontStrip = true;
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dontPatchELF = true;
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noAuditTmpdir = true;
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})
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