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{ system ? "aarch64-darwin"
#, nixpkgs ? fetchTarball https://github.com/angerman/nixpkgs/archive/257cb120334.tar.gz #apple-silicon.tar.gz
, pkgs ? import <nixpkgs> { inherit system; }
, compiler ? if system == "aarch64-darwin" then "ghc8103Binary" else "ghc8103"
}: pkgs.mkShell {
# this prevents nix from trying to write the env-vars file.
# we can't really, as NIX_BUILD_TOP/env-vars is not set.
noDumpEnvVars=1;
# stop polluting LDFLAGS with -liconv
dontAddExtraLibs = true;
# we need to inject ncurses into --with-curses-libraries.
# the real fix is to teach terminfo to use libcurses on macOS.
# CONFIGURE_ARGS = "--with-intree-gmp --with-curses-libraries=${pkgs.ncurses.out}/lib";
CONFIGURE_ARGS = "--with-intree-gmp --with-curses-libraries=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib --with-iconv-includes=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include --with-iconv-libraries=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib";
# magic speedup pony :facepalm:
#
# nix has the ugly habbit of duplicating ld flags more than necessary. This
# somewhat consolidates this.
shellHook = ''
export NIX_LDFLAGS=$(for a in $NIX_LDFLAGS; do echo $a; done |sort|uniq|xargs)
export NIX_LDFLAGS_FOR_TARGET=$(for a in $NIX_LDFLAGS_FOR_TARGET; do echo $a; done |sort|uniq|xargs)
export NIX_LDFLAGS_FOR_TARGET=$(comm -3 <(for l in $NIX_LDFLAGS_FOR_TARGET; do echo $l; done) <(for l in $NIX_LDFLAGS; do echo $l; done))
# Impurity hack for GHC releases.
#################################
# We don't want binary releases to depend on nix, thus we'll need to make sure we don't leak in references.
# GHC externally depends only on iconv and curses. However we can't force a specific curses library for
# the terminfo package, as such we'll need to make sure we only look in the system path for the curses library
# and not pick up the tinfo from the nix provided ncurses package.
#
# We also need to force us to use the systems COREFOUNDATION, not the one that nix builds. Again this is impure,
# but it will allow us to have proper binary distributions.
#
# do not use nixpkgs provided core foundation
export NIX_COREFOUNDATION_RPATH=/System/Library/Frameworks
# drop curses from the LDFLAGS, we really want the system ones, not the nix ones.
export NIX_LDFLAGS=$(for lib in $NIX_LDFLAGS; do case "$lib" in *curses*);; *) echo -n "$lib ";; esac; done;)
export NIX_CFLAGS_COMPILE+=" -Wno-nullability-completeness -Wno-availability -Wno-expansion-to-defined -Wno-builtin-requires-header -Wno-unused-command-line-argument"
# unconditionally add the MacOSX.sdk and TargetConditional.h
export NIX_CFLAGS_COMPILE+=" -isystem /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include"
# Use an architecture specific home, so cabal for different architectures don't confuse each other.
export HOME="$HOME/$(uname -m)-home"
mkdir -p $HOME
'';
nativeBuildInputs = (with pkgs; [
# This needs to come *before* ghc,
# otherwise we migth end up with the clang from
# the bootstrap GHC in PATH with higher priority.
clang_11
llvm_11
haskell.compiler.${compiler}
haskell.packages.${compiler}.cabal-install
haskell.packages.${compiler}.alex
haskell.packages.${compiler}.happy # _1_19_12 is needed for older GHCs.
automake
autoconf
m4
gmp
zlib.out
zlib.dev
glibcLocales
# locale doesn't build yet :-/
# locale
git
python3
# python3Full
# python3Packages.sphinx
perl
which
wget
file
xz
xlibs.lndir
cacert ])
++ (with pkgs.darwin.apple_sdk.frameworks; [ Foundation Security ]);
}
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