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Fix fully static build.

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See https://github.com/nh2/static-haskell-nix/issues/47.

The file was first updated to the latest one from
https://github.com/nh2/static-haskell-nix/blob/761f34bb/static-stack2nix-builder-example/default.nix
and then the linker flags were added.
This commit is contained in:
Niklas Hambüchen 2019-08-17 18:19:49 +02:00
parent 22baf18d32
commit 51856742bb
1 changed files with 32 additions and 7 deletions
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37
default.nix
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@ -10,11 +10,18 @@ let
cabalPackageName = "geval";
compiler = "ghc844"; # matching stack.yaml
# Pin nixpkgs version.
pkgs = import (fetchTarball https://github.com/nh2/nixpkgs/archive/a2d7e9b875e8ba7fd15b989cf2d80be4e183dc72.tar.gz) {};
# Pin static-haskell-nix version.
static-haskell-nix = fetchTarball https://github.com/nh2/static-haskell-nix/archive/1d37d9a83e570eceef9c7dad5c89557f8179a076.tar.gz;
static-haskell-nix =
if builtins.pathExists ../.in-static-haskell-nix
then toString ../. # for the case that we're in static-haskell-nix itself, so that CI always builds the latest version.
# Update this hash to use a different `static-haskell-nix` version:
else fetchTarball https://github.com/nh2/static-haskell-nix/archive/c49fbe730c49730d9568a9fec36f25f4580739f2.tar.gz;
# Pin nixpkgs version
# By default to the one `static-haskell-nix` provides, but you may also give
# your own as long as it has the necessary patches, using e.g.
# pkgs = import (fetchTarball https://github.com/nh2/nixpkgs/archive/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa123.tar.gz) {};
pkgs = import "${static-haskell-nix}/nixpkgs.nix";
stack2nix-script = import "${static-haskell-nix}/static-stack2nix-builder/stack2nix-script.nix" {
inherit pkgs;
@ -28,19 +35,37 @@ let
# disableOptimization = true; # for compile speed
};
static_package = static-stack2nix-builder.static_package.overrideAttrs (old: {
# Hack on static libraries the package needs that are, for reasons not yet
# clear, not propagated automatically via the `cairo` Haskell library and
# its `pkgconfig-depends` flag.
# See https://github.com/nh2/static-haskell-nix/issues/47.
# It's annoying that we have to do this with NIX_LDFLAGS, which is the
# lowest-level hack via which one can insert linker flags, but we haven't
# found higher level entry points yet that work.
# Cabal's `--ld-options` might be one, but it doesn't work yet because
# of GHC not passing them on in the correct order:
# https://gitlab.haskell.org/ghc/ghc/issues/17071
preConfigure = ''
${old.preConfigure or ""}
export NIX_LDFLAGS="-lcairo -lfontconfig -lfreetype -lpixman-1 -lexpat -lpng $NIX_LDFLAGS"
'';
});
# Full invocation, including pinning `nix` version itself.
fullBuildScript = pkgs.writeScript "stack2nix-and-build-script.sh" ''
#!/usr/bin/env bash
set -eu -o pipefail
STACK2NIX_OUTPUT_PATH=$(${stack2nix-script})
export NIX_PATH=nixpkgs=${pkgs.path}
${pkgs.nix}/bin/nix-build --no-link -A static_package --argstr stack2nix-output-path "$STACK2NIX_OUTPUT_PATH" "$@"
'';
in
{
static_package = static-stack2nix-builder.static_package;
inherit static_package;
inherit fullBuildScript;
# For debugging:
inherit stack2nix-script;
inherit static-stack2nix-builder;
}
}