nixpkgs/pkgs/development/compilers/ghc/head.nix
John Ericson ba52ae5048 treewide: isArm -> isAarch32
Following legacy packing conventions, `isArm` was defined just for
32-bit ARM instruction set. This is confusing to non packagers though,
because Aarch64 is an ARM instruction set.

The official ARM overview for ARMv8[1] is surprisingly not confusing,
given the overall state of affairs for ARM naming conventions, and
offers us a solution. It divides the nomenclature into three levels:

```
ISA:             ARMv8   {-A, -R, -M}
                 /    \
Mode:     Aarch32     Aarch64
             |         /   \
Encoding:   A64      A32   T32
```

At the top is the overall v8 instruction set archicture. Second are the
two modes, defined by bitwidth but differing in other semantics too, and
buttom are the encodings, (hopefully?) isomorphic if they encode the
same mode.

The 32 bit encodings are mostly backwards compatible with previous
non-Thumb and Thumb encodings, and if so we can pun the mode names to
instead mean "sets of compatable or isomorphic encodings", and then
voilà we have nice names for 32-bit and 64-bit arm instruction sets
which do not use the word ARM so as to not confused either laymen or
experienced ARM packages.

[1]: https://developer.arm.com/products/architecture/a-profile
2018-04-25 15:28:55 -04:00

194 lines
7.2 KiB
Nix

{ stdenv, targetPackages
, buildPlatform, hostPlatform, targetPlatform
# build-tools
, bootPkgs, alex, happy
, autoconf, automake, coreutils, fetchgit, perl, python3
, libffi, libiconv ? null, ncurses
, useLLVM ? !targetPlatform.isx86
, # 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 ? false, gmp ? null
, # 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 ? true
, version ? "8.5.20180118"
}:
assert !enableIntegerSimple -> gmp != null;
let
inherit (bootPkgs) ghc;
# TODO(@Ericson2314) Make unconditional
targetPrefix = stdenv.lib.optionalString
(targetPlatform != hostPlatform)
"${targetPlatform.config}-";
buildMK = ''
DYNAMIC_GHC_PROGRAMS = ${if enableShared then "YES" else "NO"}
'' + stdenv.lib.optionalString enableIntegerSimple ''
INTEGER_LIBRARY = integer-simple
'' + stdenv.lib.optionalString (targetPlatform != hostPlatform) ''
BuildFlavour = perf-cross
Stage1Only = YES
HADDOCK_DOCS = NO
BUILD_SPHINX_HTML = NO
BUILD_SPHINX_PDF = NO
'' + stdenv.lib.optionalString enableRelocatedStaticLibs ''
GhcLibHcOpts += -fPIC
GhcRtsHcOpts += -fPIC
'';
# Splicer will pull out correct variations
libDeps = platform: [ ncurses ]
++ stdenv.lib.optional (!enableIntegerSimple) gmp
++ stdenv.lib.optional (platform.libc != "glibc") libiconv;
toolsForTarget =
if hostPlatform == buildPlatform then
[ targetPackages.stdenv.cc ] ++ stdenv.lib.optional useLLVM llvmPackages.llvm
else assert targetPlatform == hostPlatform; # build != host == target
[ stdenv.cc ] ++ stdenv.lib.optional useLLVM buildLlvmPackages.llvm;
targetCC = builtins.head toolsForTarget;
in
stdenv.mkDerivation rec {
inherit version;
inherit (src) rev;
name = "${targetPrefix}ghc-${version}";
src = fetchgit {
url = "git://git.haskell.org/ghc.git";
rev = "e1d4140be4d2a1508015093b69e1ef53516e1eb6";
sha256 = "1gdcr10dd968d40qgljdwx9vfkva3yrvjm9a4nis7whaaac3ag58";
};
enableParallelBuilding = true;
outputs = [ "out" "doc" ];
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
echo ${version} >VERSION
echo ${src.rev} >GIT_COMMIT_ID
./boot
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"
'';
# 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=${ncurses.out}/lib"
] ++ stdenv.lib.optional (targetPlatform == hostPlatform && ! enableIntegerSimple) [
"--with-gmp-includes=${gmp.dev}/include" "--with-gmp-libraries=${gmp.out}/lib"
] ++ stdenv.lib.optional (targetPlatform == hostPlatform && hostPlatform.libc != "glibc") [
"--with-iconv-includes=${libiconv}/include" "--with-iconv-libraries=${libiconv}/lib"
] ++ stdenv.lib.optionals (targetPlatform != hostPlatform) [
"--enable-bootstrap-with-devel-snapshot"
] ++ stdenv.lib.optionals (targetPlatform.isAarch32) [
"CFLAGS=-fuse-ld=gold"
"CONF_GCC_LINKER_OPTS_STAGE1=-fuse-ld=gold"
"CONF_GCC_LINKER_OPTS_STAGE2=-fuse-ld=gold"
] ++ stdenv.lib.optionals (targetPlatform.isDarwin && targetPlatform.isAarch64) [
# fix for iOS: https://www.reddit.com/r/haskell/comments/4ttdz1/building_an_osxi386_to_iosarm64_cross_compiler/d5qvd67/
"--disable-large-address-space"
];
# Hack to make sure we never to the relaxation `$PATH` and hooks support for
# compatability. This will be replaced with something clearer in a future
# masss-rebuild.
crossConfig = true;
nativeBuildInputs = [ ghc perl autoconf automake happy alex python3 ];
# 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";
# zsh and other shells are smart about `{ghc}` but bash isn't, and doesn't
# treat that as a unary `{x,y,z,..}` repetition.
postInstall = ''
paxmark m $out/lib/${name}/bin/${if targetPlatform != hostPlatform then "ghc" else "{ghc,haddock}"}
# 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;
# Our Cabal compiler name
haskellCompilerName = "ghc-8.5";
};
meta = {
homepage = http://haskell.org/ghc;
description = "The Glasgow Haskell Compiler";
maintainers = with stdenv.lib.maintainers; [ marcweber andres peti ];
inherit (ghc.meta) license platforms;
};
}