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{ stdenv, ghc, pkgconfig, glibcLocales, cacert, stack }@depArgs:
with stdenv.lib;
{ buildInputs ? []
, extraArgs ? []
, LD_LIBRARY_PATH ? []
, ghc ? depArgs.ghc
, stack ? depArgs.stack
, ...
}@args:
let stackCmd = "stack --internal-re-exec-version=${stack.version}";
# Add all dependencies in buildInputs including propagated ones to
# STACK_IN_NIX_EXTRA_ARGS.
addStackArgsHook = ''
for pkg in ''${pkgsHostHost[@]} ''${pkgsHostBuild[@]} ''${pkgsHostTarget[@]}
do
[ -d "$pkg/lib" ] && \
export STACK_IN_NIX_EXTRA_ARGS+=" --extra-lib-dirs=$pkg/lib"
[ -d "$pkg/include" ] && \
export STACK_IN_NIX_EXTRA_ARGS+=" --extra-include-dirs=$pkg/include"
done
'';
in stdenv.mkDerivation (args // {
buildInputs =
buildInputs ++
optional (stdenv.hostPlatform.libc == "glibc") glibcLocales ++
[ ghc pkgconfig stack ];
STACK_PLATFORM_VARIANT="nix";
STACK_IN_NIX_SHELL=1;
STACK_IN_NIX_EXTRA_ARGS = extraArgs;
shellHook = addStackArgsHook + args.shellHook or "";
# XXX: workaround for https://ghc.haskell.org/trac/ghc/ticket/11042.
LD_LIBRARY_PATH = makeLibraryPath (LD_LIBRARY_PATH ++ buildInputs);
# ^^^ Internally uses `getOutput "lib"` (equiv. to getLib)
# Non-NixOS git needs cert
GIT_SSL_CAINFO = "${cacert}/etc/ssl/certs/ca-bundle.crt";
# Fixes https://github.com/commercialhaskell/stack/issues/2358
LANG = "en_US.UTF-8";
preferLocalBuild = true;
configurePhase = args.configurePhase or ''
export STACK_ROOT=$NIX_BUILD_TOP/.stack
${addStackArgsHook}
'';
buildPhase = args.buildPhase or "${stackCmd} build";
checkPhase = args.checkPhase or "${stackCmd} test";
doCheck = args.doCheck or true;
installPhase = args.installPhase or ''
${stackCmd} --local-bin-path=$out/bin build --copy-bins
'';
})