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haskell.compiler.ghc8102Binary: Split ghcBinDists set into default and musl.

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This allows to implement the "HACK" mentioned in the commit to
build `pkgsMusl` GHCs on Hydra without failing evaluation on Darwin.

Reference of the discussion:
https://github.com/NixOS/nixpkgs/pull/129289#discussion_r663956747

Patch contributed by @sterni.
This commit is contained in:
Niklas Hambüchen 2021-07-05 17:08:58 +02:00
parent f4e62a996f
commit c6a77590e3
1 changed files with 84 additions and 71 deletions
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155
pkgs/development/compilers/ghc/8.10.2-binary.nix
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@ -36,82 +36,86 @@ let
# * To skip file checking for a specific arch specfic library,
# set `fileToCheckFor = null`.
ghcBinDists = {
i686-linux = {
src = {
url = "${downloadsUrl}/${version}/ghc-${version}-i386-deb9-linux.tar.xz";
sha256 = "0bvwisl4w0z5z8z0da10m9sv0mhm9na2qm43qxr8zl23mn32mblx";
# Binary distributions for the default libc (e.g. glibc, or libSystem on Darwin)
# nixpkgs uses for the respective system.
defaultLibc = {
i686-linux = {
src = {
url = "${downloadsUrl}/${version}/ghc-${version}-i386-deb9-linux.tar.xz";
sha256 = "0bvwisl4w0z5z8z0da10m9sv0mhm9na2qm43qxr8zl23mn32mblx";
};
exePathForLibraryCheck = "ghc/stage2/build/tmp/ghc-stage2";
archSpecificLibraries = [
# The i686-linux bindist provided by GHC HQ is currently built on Debian 9,
# which link it against `libtinfo.so.5` (ncurses 5).
# Other bindists are linked `libtinfo.so.6` (ncurses 6).
{ nixPackage = ncurses5; fileToCheckFor = "libtinfo.so.5"; }
];
};
x86_64-linux = {
src = {
url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-deb10-linux.tar.xz";
sha256 = "0chnzy9j23b2wa8clx5arwz8wnjfxyjmz9qkj548z14cqf13slcl";
};
exePathForLibraryCheck = "ghc/stage2/build/tmp/ghc-stage2";
archSpecificLibraries = [
{ nixPackage = ncurses6; fileToCheckFor = "libtinfo.so.6"; }
];
};
armv7l-linux = {
src = {
url = "${downloadsUrl}/${version}/ghc-${version}-armv7-deb10-linux.tar.xz";
sha256 = "1j41cq5d3rmlgz7hzw8f908fs79gc5mn3q5wz277lk8zdf19g75v";
};
exePathForLibraryCheck = "ghc/stage2/build/tmp/ghc-stage2";
archSpecificLibraries = [
{ nixPackage = ncurses6; fileToCheckFor = "libtinfo.so.6"; }
];
};
aarch64-linux = {
src = {
url = "${downloadsUrl}/${version}/ghc-${version}-aarch64-deb10-linux.tar.xz";
sha256 = "14smwl3741ixnbgi0l51a7kh7xjkiannfqx15b72svky0y4l3wjw";
};
exePathForLibraryCheck = "ghc/stage2/build/tmp/ghc-stage2";
archSpecificLibraries = [
{ nixPackage = ncurses6; fileToCheckFor = "libtinfo.so.6"; }
{ nixPackage = numactl; fileToCheckFor = null; }
];
};
x86_64-darwin = {
src = {
url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-apple-darwin.tar.xz";
sha256 = "1hngyq14l4f950hzhh2d204ca2gfc98pc9xdasxihzqd1jq75dzd";
};
exePathForLibraryCheck = null; # we don't have a library check for darwin yet
archSpecificLibraries = [
{ nixPackage = ncurses6; fileToCheckFor = null; }
{ nixPackage = libiconv; fileToCheckFor = null; }
];
};
exePathForLibraryCheck = "ghc/stage2/build/tmp/ghc-stage2";
archSpecificLibraries = [
# The i686-linux bindist provided by GHC HQ is currently built on Debian 9,
# which link it against `libtinfo.so.5` (ncurses 5).
# Other bindists are linked `libtinfo.so.6` (ncurses 6).
{ nixPackage = ncurses5; fileToCheckFor = "libtinfo.so.5"; }
];
};
x86_64-linux =
if stdenv.hostPlatform.isMusl
then
{ # musl-bindist (referred to below)
src = {
url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-alpine3.10-linux-integer-simple.tar.xz";
sha256 = "0xpcbyaxqyhbl6f0i3s4rp2jm67nqpkfh2qlbj3i2fiaix89ml0l";
};
exePathForLibraryCheck = "bin/ghc";
archSpecificLibraries = [
# In contrast to glibc builds, the musl-bindist uses `libncursesw.so.*`
# instead of `libtinfo.so.*.`
{ nixPackage = ncurses6; fileToCheckFor = "libncursesw.so.6"; }
];
}
else
{ # normal glibc based bindist
src = {
url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-deb10-linux.tar.xz";
sha256 = "0chnzy9j23b2wa8clx5arwz8wnjfxyjmz9qkj548z14cqf13slcl";
};
exePathForLibraryCheck = "ghc/stage2/build/tmp/ghc-stage2";
archSpecificLibraries = [
{ nixPackage = ncurses6; fileToCheckFor = "libtinfo.so.6"; }
];
}
;
armv7l-linux = {
src = {
url = "${downloadsUrl}/${version}/ghc-${version}-armv7-deb10-linux.tar.xz";
sha256 = "1j41cq5d3rmlgz7hzw8f908fs79gc5mn3q5wz277lk8zdf19g75v";
# Binary distributions for the musl libc for the respective system.
musl = {
x86_64-linux = {
src = {
url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-alpine3.10-linux-integer-simple.tar.xz";
sha256 = "0xpcbyaxqyhbl6f0i3s4rp2jm67nqpkfh2qlbj3i2fiaix89ml0l";
};
exePathForLibraryCheck = "bin/ghc";
archSpecificLibraries = [
# In contrast to glibc builds, the musl-bindist uses `libncursesw.so.*`
# instead of `libtinfo.so.*.`
{ nixPackage = ncurses6; fileToCheckFor = "libncursesw.so.6"; }
];
};
exePathForLibraryCheck = "ghc/stage2/build/tmp/ghc-stage2";
archSpecificLibraries = [
{ nixPackage = ncurses6; fileToCheckFor = "libtinfo.so.6"; }
];
};
aarch64-linux = {
src = {
url = "${downloadsUrl}/${version}/ghc-${version}-aarch64-deb10-linux.tar.xz";
sha256 = "14smwl3741ixnbgi0l51a7kh7xjkiannfqx15b72svky0y4l3wjw";
};
exePathForLibraryCheck = "ghc/stage2/build/tmp/ghc-stage2";
archSpecificLibraries = [
{ nixPackage = ncurses6; fileToCheckFor = "libtinfo.so.6"; }
{ nixPackage = numactl; fileToCheckFor = null; }
];
};
x86_64-darwin = {
src = {
url = "${downloadsUrl}/${version}/ghc-${version}-x86_64-apple-darwin.tar.xz";
sha256 = "1hngyq14l4f950hzhh2d204ca2gfc98pc9xdasxihzqd1jq75dzd";
};
exePathForLibraryCheck = null; # we don't have a library check for darwin yet
archSpecificLibraries = [
{ nixPackage = ncurses6; fileToCheckFor = null; }
{ nixPackage = libiconv; fileToCheckFor = null; }
];
};
};
binDistUsed = ghcBinDists.${stdenv.hostPlatform.system}
or (throw "cannot bootstrap GHC on this platform");
distSetName = if stdenv.hostPlatform.isMusl then "musl" else "defaultLibc";
binDistUsed = ghcBinDists.${distSetName}.${stdenv.hostPlatform.system}
or (throw "cannot bootstrap GHC on this platform ('${stdenv.hostPlatform.system}' with libc '${distSetName}')");
useLLVM = !stdenv.targetPlatform.isx86;
@ -361,7 +365,16 @@ stdenv.mkDerivation rec {
homepage = "http://haskell.org/ghc";
description = "The Glasgow Haskell Compiler";
license = lib.licenses.bsd3;
platforms = ["x86_64-linux" "armv7l-linux" "aarch64-linux" "i686-linux" "x86_64-darwin"];
# HACK: since we can't encode the libc / abi in platforms, we need
# to make the platform list dependent on the evaluation platform
# in order to avoid eval errors with musl which supports less
# platforms than the default libcs (i. e. glibc / libSystem).
# This is done for the benefit of Hydra, so `packagePlatforms`
# won't return any platforms that would cause an evaluation
# failure for `pkgsMusl.haskell.compiler.ghc8102Binary`, as
# long as the evaluator runs on a platform that supports
# `pkgsMusl`.
platforms = builtins.attrNames ghcBinDists.${distSetName};
hydraPlatforms = builtins.filter (p: minimal || p != "aarch64-linux") platforms;
maintainers = with lib.maintainers; [ lostnet ];
};