1 { lib, stdenv, pkgsBuildTarget, pkgsHostTarget, buildPackages, targetPackages
5 , autoreconfHook, autoconf, automake, coreutils, fetchpatch, fetchurl, perl, python3, m4, sphinx
6 , xattr, autoSignDarwinBinariesHook
9 , libiconv ? null, ncurses
11 , # GHC can be built with system libffi or a bundled one.
12 # we explicitly use libffi-3.3 here because 3.4 removes a flag that causes
13 # problems for ghc-8.10.7's RTS. See #324384.
14 # Save for aarch_darwin since libffi-3.3 is broken there but the issue isn't present anyway
18 , useLLVM ? !(stdenv.targetPlatform.isx86
19 || stdenv.targetPlatform.isPower
20 || stdenv.targetPlatform.isSparc)
21 , # LLVM is conceptually a run-time-only dependency, but for
22 # non-x86, we need LLVM to bootstrap later stages, so it becomes a
23 # build-time dependency too.
24 buildTargetLlvmPackages, llvmPackages
26 , # If enabled, GHC will be built with the GPL-free but slower integer-simple
27 # library instead of the faster but GPLed integer-gmp library.
28 enableIntegerSimple ? !(lib.meta.availableOn stdenv.hostPlatform gmp
29 && lib.meta.availableOn stdenv.targetPlatform gmp)
32 , # If enabled, use -fPIC when compiling static libs.
33 enableRelocatedStaticLibs ? stdenv.targetPlatform != stdenv.hostPlatform
35 # Exceeds Hydra output limit (at the time of writing ~3GB) when cross compiled to riscv64.
36 # A riscv64 cross-compiler fits into the limit comfortably.
37 , enableProfiledLibs ? !stdenv.hostPlatform.isRiscV64
39 , # Whether to build dynamic libs for the standard library (on the target
40 # platform). Static libs are always built.
41 enableShared ? !stdenv.targetPlatform.isWindows && !stdenv.targetPlatform.useiOSPrebuilt
43 , # Whether to build terminfo.
44 enableTerminfo ? !(stdenv.targetPlatform.isWindows
45 # terminfo can't be built for cross
46 || (stdenv.buildPlatform != stdenv.hostPlatform)
47 || (stdenv.hostPlatform != stdenv.targetPlatform))
49 , # What flavour to build. An empty string indicates no
50 # specific flavour and falls back to ghc default values.
51 ghcFlavour ? lib.optionalString (stdenv.targetPlatform != stdenv.hostPlatform)
52 (if useLLVM then "perf-cross" else "perf-cross-ncg")
54 , # Whether to build sphinx documentation.
56 # Docs disabled if we are building on musl because it's a large task to keep
57 # all `sphinx` dependencies building in this environment.
58 !stdenv.buildPlatform.isMusl
61 , enableHaddockProgram ?
62 # Disabled for cross; see note [HADDOCK_DOCS].
63 (stdenv.buildPlatform == stdenv.hostPlatform && stdenv.targetPlatform == stdenv.hostPlatform)
65 , # Whether to disable the large address space allocator
66 # necessary fix for iOS: https://www.reddit.com/r/haskell/comments/4ttdz1/building_an_osxi386_to_iosarm64_cross_compiler/d5qvd67/
67 disableLargeAddressSpace ? stdenv.targetPlatform.isiOS
69 , # Whether to build an unregisterised version of GHC.
70 # GHC will normally auto-detect whether it can do a registered build, but this
71 # option will force it to do an unregistered build when set to true.
72 # See https://gitlab.haskell.org/ghc/ghc/-/wikis/building/unregisterised
73 enableUnregisterised ? false
76 assert !enableIntegerSimple -> gmp != null;
78 # Cross cannot currently build the `haddock` program for silly reasons,
79 # see note [HADDOCK_DOCS].
80 assert (stdenv.buildPlatform != stdenv.hostPlatform || stdenv.targetPlatform != stdenv.hostPlatform) -> !enableHaddockProgram;
82 # GHC does not support building when all 3 platforms are different.
83 assert stdenv.buildPlatform == stdenv.hostPlatform || stdenv.hostPlatform == stdenv.targetPlatform;
86 inherit (stdenv) buildPlatform hostPlatform targetPlatform;
88 # TODO(@Ericson2314) Make unconditional
89 targetPrefix = lib.optionalString
90 (targetPlatform != hostPlatform)
91 "${targetPlatform.config}-";
94 BuildFlavour = ${ghcFlavour}
95 ifneq \"\$(BuildFlavour)\" \"\"
96 include mk/flavours/\$(BuildFlavour).mk
98 BUILD_SPHINX_HTML = ${if enableDocs then "YES" else "NO"}
101 WITH_TERMINFO = ${if enableTerminfo then "YES" else "NO"}
103 # Note [HADDOCK_DOCS]:
104 # Unfortunately currently `HADDOCK_DOCS` controls both whether the `haddock`
105 # program is built (which we generally always want to have a complete GHC install)
106 # and whether it is run on the GHC sources to generate hyperlinked source code
107 # (which is impossible for cross-compilation); see:
108 # https://gitlab.haskell.org/ghc/ghc/-/issues/20077
109 # This implies that currently a cross-compiled GHC will never have a `haddock`
110 # program, so it can never generate haddocks for any packages.
111 # If this is solved in the future, we'd like to unconditionally
112 # build the haddock program (removing the `enableHaddockProgram` option).
114 HADDOCK_DOCS = ${if enableHaddockProgram then "YES" else "NO"}
115 # Build haddocks for boot packages with hyperlinking
116 EXTRA_HADDOCK_OPTS += --hyperlinked-source --quickjump
118 DYNAMIC_GHC_PROGRAMS = ${if enableShared then "YES" else "NO"}
119 INTEGER_LIBRARY = ${if enableIntegerSimple then "integer-simple" else "integer-gmp"}
120 '' + lib.optionalString (targetPlatform != hostPlatform) ''
121 Stage1Only = ${if targetPlatform.system == hostPlatform.system then "NO" else "YES"}
122 CrossCompilePrefix = ${targetPrefix}
123 '' + lib.optionalString (!enableProfiledLibs) ''
125 '' + lib.optionalString enableRelocatedStaticLibs ''
126 GhcLibHcOpts += -fPIC
127 GhcRtsHcOpts += -fPIC
128 '' + lib.optionalString targetPlatform.useAndroidPrebuilt ''
129 EXTRA_CC_OPTS += -std=gnu99
131 # While split sections are now enabled by default in ghc 8.8 for windows,
132 # they seem to lead to `too many sections` errors when building base for
134 + lib.optionalString targetPlatform.isWindows ''
138 # Splicer will pull out correct variations
139 libDeps = platform: lib.optional enableTerminfo ncurses
140 ++ [args.${libffi_name}]
141 ++ lib.optional (!enableIntegerSimple) gmp
142 ++ lib.optional (platform.libc != "glibc" && !targetPlatform.isWindows) libiconv;
144 # TODO(@sternenseemann): is buildTarget LLVM unnecessary?
145 # GHC doesn't seem to have {LLC,OPT}_HOST
147 pkgsBuildTarget.targetPackages.stdenv.cc
148 ] ++ lib.optional useLLVM buildTargetLlvmPackages.llvm;
150 buildCC = buildPackages.stdenv.cc;
151 targetCC = builtins.head toolsForTarget;
152 installCC = pkgsHostTarget.targetPackages.stdenv.cc;
154 # toolPath calculates the absolute path to the name tool associated with a
155 # given `stdenv.cc` derivation, i.e. it picks the correct derivation to take
156 # the tool from (cc, cc.bintools, cc.bintools.bintools) and adds the correct
157 # subpath of the tool.
166 ranlib = cc.bintools;
168 readelf = cc.bintools;
169 objdump = cc.bintools;
172 "ld.gold" = cc.bintools;
174 otool = cc.bintools.bintools;
176 # GHC needs install_name_tool on all darwin platforms. The same one can
177 # be used on both platforms. It is safe to use with linker-generated
178 # signatures because it will update the signatures automatically after
179 # modifying the target binary.
180 install_name_tool = cc.bintools.bintools;
182 # strip on darwin is wrapped to enable deterministic mode.
184 # TODO(@sternenseemann): also use wrapper if linker == "bfd" or "gold"
185 if stdenv.targetPlatform.isDarwin
187 else cc.bintools.bintools;
189 # clang is used as an assembler on darwin with the LLVM backend
193 "${tools}/bin/${tools.targetPrefix}${name}";
195 # Use gold either following the default, or to avoid the BFD linker due to some bugs / perf issues.
196 # But we cannot avoid BFD when using musl libc due to https://sourceware.org/bugzilla/show_bug.cgi?id=23856
197 # see #84670 and #49071 for more background.
198 useLdGold = targetPlatform.linker == "gold" ||
199 (targetPlatform.linker == "bfd" && (targetCC.bintools.bintools.hasGold or false) && !targetPlatform.isMusl);
201 # Makes debugging easier to see which variant is at play in `nix-store -q --tree`.
202 variantSuffix = lib.concatStrings [
203 (lib.optionalString stdenv.hostPlatform.isMusl "-musl")
204 (lib.optionalString enableIntegerSimple "-integer-simple")
208 if stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64
212 # These libraries are library dependencies of the standard libraries bundled
213 # by GHC (core libs) users will link their compiled artifacts again. Thus,
214 # they should be taken from targetPackages.
216 # We need to use pkgsHostTarget if we are cross compiling a native GHC compiler,
217 # though (when native compiling GHC, pkgsHostTarget == targetPackages):
219 # 1. targetPackages would be empty(-ish) in this situation since we can't
220 # execute cross compiled compilers in order to obtain the libraries
221 # that would be in targetPackages.
222 # 2. pkgsHostTarget is fine to use since hostPlatform == targetPlatform in this
224 # 3. The core libs used by the final GHC (stage 2) for user artifacts are also
225 # used to build stage 2 GHC itself, i.e. the core libs are both host and
230 if hostPlatform != targetPlatform
235 inherit (basePackageSet) gmp ncurses;
236 # dynamic inherits are not possible in Nix
237 libffi = basePackageSet.${libffi_name};
242 stdenv.mkDerivation (rec {
244 pname = "${targetPrefix}ghc${variantSuffix}";
247 url = "https://downloads.haskell.org/ghc/${version}/ghc-${version}-src.tar.xz";
248 sha256 = "e3eef6229ce9908dfe1ea41436befb0455fefb1932559e860ad4c606b0d03c9d";
251 enableParallelBuilding = true;
253 outputs = [ "out" "doc" ];
256 # Fix docs build with sphinx >= 6.0
257 # https://gitlab.haskell.org/ghc/ghc/-/issues/22766
259 name = "ghc-docs-sphinx-6.0.patch";
260 url = "https://gitlab.haskell.org/ghc/ghc/-/commit/10e94a556b4f90769b7fd718b9790d58ae566600.patch";
261 sha256 = "0kmhfamr16w8gch0lgln2912r8aryjky1hfcda3jkcwa5cdzgjdv";
264 # See upstream patch at
265 # https://gitlab.haskell.org/ghc/ghc/-/merge_requests/4885. Since we build
266 # from source distributions, the auto-generated configure script needs to be
267 # patched as well, therefore we use an in-tree patch instead of pulling the
268 # upstream patch. Don't forget to check backport status of the upstream patch
269 # when adding new GHC releases in nixpkgs.
270 ./respect-ar-path.patch
272 # fix hyperlinked haddock sources: https://github.com/haskell/haddock/pull/1482
274 url = "https://patch-diff.githubusercontent.com/raw/haskell/haddock/pull/1482.patch";
275 sha256 = "sha256-8w8QUCsODaTvknCDGgTfFNZa8ZmvIKaKS+2ZJZ9foYk=";
276 extraPrefix = "utils/haddock/";
280 # cabal passes incorrect --host= when cross-compiling
281 # https://github.com/haskell/cabal/issues/5887
283 url = "https://raw.githubusercontent.com/input-output-hk/haskell.nix/122bd81150386867da07fdc9ad5096db6719545a/overlays/patches/ghc/cabal-host.patch";
284 sha256 = "sha256:0yd0sajgi24sc1w5m55lkg2lp6kfkgpp3lgija2c8y3cmkwfpdc1";
287 # In order to build ghcjs packages, the Cabal of the ghc used for the ghcjs
288 # needs to be patched. Ref https://github.com/haskell/cabal/pull/7575
290 url = "https://github.com/haskell/cabal/commit/369c4a0a54ad08a9e6b0d3bd303fedd7b5e5a336.patch";
291 sha256 = "120f11hwyaqa0pq9g5l1300crqij49jg0rh83hnp9sa49zfdwx1n";
293 extraPrefix = "libraries/Cabal/Cabal/";
296 # We need to be able to set AR_STAGE0 and LD_STAGE0 when cross-compiling
298 url = "https://gitlab.haskell.org/ghc/ghc/-/commit/8f7dd5710b80906ea7a3e15b7bb56a883a49fed8.patch";
299 hash = "sha256-C636Nq2U8YOG/av7XQmG3L1rU0bmC9/7m7Hty5pm5+s=";
302 # Backport part of <https://gitlab.haskell.org/ghc/ghc/-/merge_requests/7111> to 8.10.7
303 # The change we are interested in is that Cabal no longer sets include-dirs
304 # for the GHCi library delegating to the system search path or (in our case)
305 # cc-wrapper. Without this patch, the target libffi ends up in there (which
306 # we provide via --with-ffi-includes) which breaks bootstrapping e.g. when
307 # cross compiling GHC. Without include-dirs, cc-wrapper and splicing will
308 # correctly pick the suitable libffi out of the build environment.
310 name = "ghci-no-libffi-include.patch";
311 url = "https://gitlab.haskell.org/ghc/ghc/-/commit/b2721819f391ab49871271283f32df54810c4387.patch";
312 sha256 = "1rmv3132xhxbka97v0rx7r6larx5f5nnvs4mgm9q3rmgpjyd1vf9";
313 includes = [ "libraries/ghci/ghci.cabal.in" ];
315 ] ++ lib.optionals stdenv.hostPlatform.isDarwin [
316 # Make Block.h compile with c++ compilers. Remove with the next release
318 url = "https://gitlab.haskell.org/ghc/ghc/-/commit/97d0b0a367e4c6a52a17c3299439ac7de129da24.patch";
319 sha256 = "0r4zjj0bv1x1m2dgxp3adsf2xkr94fjnyj1igsivd9ilbs5ja0b5";
321 ] ++ lib.optionals (stdenv.targetPlatform.isDarwin && stdenv.targetPlatform.isAarch64) [
322 # Prevent the paths module from emitting symbols that we don't use
323 # when building with separate outputs.
325 # These cause problems as they're not eliminated by GHC's dead code
326 # elimination on aarch64-darwin. (see
327 # https://github.com/NixOS/nixpkgs/issues/140774 for details).
328 ./Cabal-3.2-3.4-paths-fix-cycle-aarch64-darwin.patch
331 postPatch = "patchShebangs .";
333 # GHC is a bit confused on its cross terminology.
334 # TODO(@sternenseemann): investigate coreutils dependencies and pass absolute paths
336 for env in $(env | grep '^TARGET_' | sed -E 's|\+?=.*||'); do
337 export "''${env#TARGET_}=''${!env}"
339 # Stage0 (build->build) which builds stage 1
340 export GHC="${bootPkgs.ghc}/bin/ghc"
341 # GHC is a bit confused on its cross terminology, as these would normally be
343 export CC="${toolPath "cc" targetCC}"
344 export CXX="${toolPath "c++" targetCC}"
345 # Use gold to work around https://sourceware.org/bugzilla/show_bug.cgi?id=16177
346 export LD="${toolPath "ld${lib.optionalString useLdGold ".gold"}" targetCC}"
347 export AS="${toolPath "as" targetCC}"
348 export AR="${toolPath "ar" targetCC}"
349 export NM="${toolPath "nm" targetCC}"
350 export RANLIB="${toolPath "ranlib" targetCC}"
351 export READELF="${toolPath "readelf" targetCC}"
352 export STRIP="${toolPath "strip" targetCC}"
353 export OBJDUMP="${toolPath "objdump" targetCC}"
354 '' + lib.optionalString (stdenv.targetPlatform.linker == "cctools") ''
355 export OTOOL="${toolPath "otool" targetCC}"
356 export INSTALL_NAME_TOOL="${toolPath "install_name_tool" targetCC}"
357 '' + lib.optionalString useLLVM ''
358 export LLC="${lib.getBin buildTargetLlvmPackages.llvm}/bin/llc"
359 export OPT="${lib.getBin buildTargetLlvmPackages.llvm}/bin/opt"
360 '' + lib.optionalString (useLLVM && stdenv.targetPlatform.isDarwin) ''
361 # LLVM backend on Darwin needs clang: https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/codegens.html#llvm-code-generator-fllvm
362 # The executable we specify via $CLANG is used as an assembler (exclusively, it seems, but this isn't
363 # clarified in any user facing documentation). As such, it'll be called on assembly produced by $CC
364 # which usually comes from the darwin stdenv. To prevent a situation where $CLANG doesn't understand
365 # the assembly it is given, we need to make sure that it matches the LLVM version of $CC if possible.
366 # It is unclear (at the time of writing 2024-09-01) whether $CC should match the LLVM version we use
367 # for llc and opt which would require using a custom darwin stdenv for targetCC.
370 then toolPath "clang" targetCC
371 else "${buildTargetLlvmPackages.clang}/bin/${buildTargetLlvmPackages.clang.targetPrefix}clang"
374 # No need for absolute paths since these tools only need to work during the build
375 export CC_STAGE0="$CC_FOR_BUILD"
376 export LD_STAGE0="$LD_FOR_BUILD"
377 export AR_STAGE0="$AR_FOR_BUILD"
379 echo -n "${buildMK}" > mk/build.mk
380 sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure
381 '' + lib.optionalString (!stdenv.hostPlatform.isDarwin) ''
382 export NIX_LDFLAGS+=" -rpath $out/lib/ghc-${version}"
383 '' + lib.optionalString stdenv.hostPlatform.isDarwin ''
384 export NIX_LDFLAGS+=" -no_dtrace_dof"
386 # GHC tries the host xattr /usr/bin/xattr by default which fails since it expects python to be 2.7
387 export XATTR=${lib.getBin xattr}/bin/xattr
388 '' + lib.optionalString targetPlatform.useAndroidPrebuilt ''
389 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
390 '' + lib.optionalString targetPlatform.isMusl ''
391 echo "patching llvm-targets for musl targets..."
392 echo "Cloning these existing '*-linux-gnu*' targets:"
393 grep linux-gnu llvm-targets | sed 's/^/ /'
394 echo "(go go gadget sed)"
395 sed -i 's,\(^.*linux-\)gnu\(.*\)$,\0\n\1musl\2,' llvm-targets
396 echo "llvm-targets now contains these '*-linux-musl*' targets:"
397 grep linux-musl llvm-targets | sed 's/^/ /'
399 echo "And now patching to preserve '-musleabi' as done with '-gnueabi'"
400 # (aclocal.m4 is actual source, but patch configure as well since we don't re-gen)
401 for x in configure aclocal.m4; do
402 substituteInPlace $x \
403 --replace '*-android*|*-gnueabi*)' \
404 '*-android*|*-gnueabi*|*-musleabi*)'
408 # Although it is usually correct to pass --host, we don't do that here because
409 # GHC's usage of build, host, and target is non-standard.
410 # See https://gitlab.haskell.org/ghc/ghc/-/wikis/building/cross-compiling
411 # TODO(@Ericson2314): Always pass "--target" and always prefix.
412 configurePlatforms = [ "build" ]
413 ++ lib.optional (buildPlatform != hostPlatform || targetPlatform != hostPlatform) "target";
415 # `--with` flags for libraries needed for RTS linker
417 "--datadir=$doc/share/doc/ghc"
418 ] ++ lib.optionals enableTerminfo [
419 "--with-curses-includes=${lib.getDev targetLibs.ncurses}/include"
420 "--with-curses-libraries=${lib.getLib targetLibs.ncurses}/lib"
421 ] ++ lib.optionals (args.${libffi_name} != null) [
422 "--with-system-libffi"
423 "--with-ffi-includes=${targetLibs.libffi.dev}/include"
424 "--with-ffi-libraries=${targetLibs.libffi.out}/lib"
425 ] ++ lib.optionals (targetPlatform == hostPlatform && !enableIntegerSimple) [
426 "--with-gmp-includes=${targetLibs.gmp.dev}/include"
427 "--with-gmp-libraries=${targetLibs.gmp.out}/lib"
428 ] ++ lib.optionals (targetPlatform == hostPlatform && hostPlatform.libc != "glibc" && !targetPlatform.isWindows) [
429 "--with-iconv-includes=${libiconv}/include"
430 "--with-iconv-libraries=${libiconv}/lib"
431 ] ++ lib.optionals (targetPlatform != hostPlatform) [
432 "--enable-bootstrap-with-devel-snapshot"
433 ] ++ lib.optionals useLdGold [
434 "CFLAGS=-fuse-ld=gold"
435 "CONF_GCC_LINKER_OPTS_STAGE1=-fuse-ld=gold"
436 "CONF_GCC_LINKER_OPTS_STAGE2=-fuse-ld=gold"
437 ] ++ lib.optionals (disableLargeAddressSpace) [
438 "--disable-large-address-space"
439 ] ++ lib.optionals enableUnregisterised [
440 "--enable-unregisterised"
443 # Make sure we never relax`$PATH` and hooks support for compatibility.
446 # Don’t add -liconv to LDFLAGS automatically so that GHC will add it itself.
447 dontAddExtraLibs = true;
449 nativeBuildInputs = [
450 perl autoreconfHook autoconf automake m4 python3
451 bootPkgs.alex bootPkgs.happy bootPkgs.hscolour
452 bootPkgs.ghc-settings-edit
453 ] ++ lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64) [
454 autoSignDarwinBinariesHook
455 ] ++ lib.optionals enableDocs [
459 # Everything the stage0 compiler needs to build stage1: CC, bintools, extra libs.
460 # See also GHC, {CC,LD,AR}_STAGE0 in preConfigure.
462 # N.B. We do not declare bootPkgs.ghc in any of the stdenv.mkDerivation
463 # dependency lists to prevent the bintools setup hook from adding ghc's
464 # lib directory to the linker flags. Instead we tell configure about it
465 # via the GHC environment variable.
467 # stage0 builds terminfo unconditionally, so we always need ncurses
470 # For building runtime libs
471 depsBuildTarget = toolsForTarget;
473 # Prevent stage0 ghc from leaking into the final result. This was an issue
475 disallowedReferences = [
479 buildInputs = [ bash ] ++ (libDeps hostPlatform);
481 depsTargetTarget = map lib.getDev (libDeps targetPlatform);
482 depsTargetTargetPropagated = map (lib.getOutput "out") (libDeps targetPlatform);
484 # required, because otherwise all symbols from HSffi.o are stripped, and
485 # that in turn causes GHCi to abort
486 stripDebugFlags = [ "-S" ] ++ lib.optional (!targetPlatform.isDarwin) "--keep-file-symbols";
488 checkTarget = "test";
492 # In nixpkgs, musl based builds currently enable `pie` hardening by default
493 # (see `defaultHardeningFlags` in `make-derivation.nix`).
494 # But GHC cannot currently produce outputs that are ready for `-pie` linking.
495 # Thus, disable `pie` hardening, otherwise `recompile with -fPIE` errors appear.
497 # * https://github.com/NixOS/nixpkgs/issues/129247
498 # * https://gitlab.haskell.org/ghc/ghc/-/issues/19580
499 ++ lib.optional stdenv.targetPlatform.isMusl "pie";
501 # big-parallel allows us to build with more than 2 cores on
502 # Hydra which already warrants a significant speedup
503 requiredSystemFeatures = [ "big-parallel" ];
506 settingsFile="$out/lib/${targetPrefix}${passthru.haskellCompilerName}/settings"
508 # Make the installed GHC use the host->target tools.
509 ghc-settings-edit "$settingsFile" \
510 "C compiler command" "${toolPath "cc" installCC}" \
511 "Haskell CPP command" "${toolPath "cc" installCC}" \
512 "C++ compiler command" "${toolPath "c++" installCC}" \
513 "ld command" "${toolPath "ld${lib.optionalString useLdGold ".gold"}" installCC}" \
514 "Merge objects command" "${toolPath "ld${lib.optionalString useLdGold ".gold"}" installCC}" \
515 "ar command" "${toolPath "ar" installCC}" \
516 "ranlib command" "${toolPath "ranlib" installCC}"
518 + lib.optionalString (stdenv.targetPlatform.linker == "cctools") ''
519 ghc-settings-edit "$settingsFile" \
520 "otool command" "${toolPath "otool" installCC}" \
521 "install_name_tool command" "${toolPath "install_name_tool" installCC}"
523 + lib.optionalString useLLVM ''
524 ghc-settings-edit "$settingsFile" \
525 "LLVM llc command" "${lib.getBin llvmPackages.llvm}/bin/llc" \
526 "LLVM opt command" "${lib.getBin llvmPackages.llvm}/bin/opt"
528 + lib.optionalString (useLLVM && stdenv.targetPlatform.isDarwin) ''
529 ghc-settings-edit "$settingsFile" \
530 "LLVM clang command" "${
531 # See comment for CLANG in preConfigure
533 then toolPath "clang" installCC
534 else "${llvmPackages.clang}/bin/${llvmPackages.clang.targetPrefix}clang"
539 # Install the bash completion file.
540 install -D -m 444 utils/completion/ghc.bash $out/share/bash-completion/completions/${targetPrefix}ghc
544 inherit bootPkgs targetPrefix;
546 inherit llvmPackages;
547 inherit enableShared;
549 # This is used by the haskell builder to query
550 # the presence of the haddock program.
551 hasHaddock = enableHaddockProgram;
553 # Our Cabal compiler name
554 haskellCompilerName = "ghc-${version}";
558 homepage = "http://haskell.org/ghc";
559 description = "Glasgow Haskell Compiler";
560 maintainers = with lib.maintainers; [
562 ] ++ lib.teams.haskell.members;
564 platforms = lib.platforms.all;
565 inherit (bootPkgs.ghc.meta) license;
568 } // lib.optionalAttrs targetPlatform.useAndroidPrebuilt {
571 noAuditTmpdir = true;