From 238baeacfd0fa7e09ddd24e2a2a8fbad292468f0 Mon Sep 17 00:00:00 2001
From: Sascha Grunert <mail@saschagrunert.de>
Date: Tue, 9 Feb 2021 14:42:39 +0100
Subject: [PATCH] Add arm64 static build binary

This adds an arm64 derivation to the static binary build.

Signed-off-by: Sascha Grunert <mail@saschagrunert.de>
---
 .cirrus.yml           | 38 +++++++++++++++++
 nix/default-arm64.nix | 95 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 133 insertions(+)
 create mode 100644 nix/default-arm64.nix

diff --git a/.cirrus.yml b/.cirrus.yml
index 5beb1f2f..03dc659d 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -166,3 +166,41 @@ static_binary_task:
     save_cache_script: |
         mv /nix .cache
         chown -Rf $(whoami) .cache
+
+# Build the static binary for arm64
+static_binary_arm64_task:
+    depends_on:
+        - 'config'
+        - 'fmt'
+
+    gce_instance:
+        image_name: "${FEDORA_CACHE_IMAGE_NAME}"
+        cpu: 8
+        memory: 12
+        disk: 200
+
+    init_script: |
+        set -ex
+        setenforce 0
+        growpart /dev/sda 1 || true
+        resize2fs /dev/sda1 || true
+        yum -y install podman
+
+    nix_arm64_cache:
+      folder: '.cache'
+      fingerprint_script: |
+        echo "nix-v1-$(sha1sum nix/nixpkgs.json | head -c 40)"
+
+    build_script: |
+        set -ex
+        mkdir -p .cache
+        mv .cache /nix
+        if [[ -z $(ls -A /nix) ]]; then podman run --rm --privileged -ti -v /:/mnt nixos/nix cp -rfT /nix /mnt/nix; fi
+        podman run --rm --privileged -ti -v /nix:/nix -v ${PWD}:${PWD} -w ${PWD} nixos/nix nix --print-build-logs --option cores 8 --option max-jobs 8 build --file nix/default-arm64.nix
+
+    binaries_artifacts:
+        path: "result/bin/conmon"
+
+    save_cache_script: |
+        mv /nix .cache
+        chown -Rf $(whoami) .cache
diff --git a/nix/default-arm64.nix b/nix/default-arm64.nix
new file mode 100644
index 00000000..f6e08b6a
--- /dev/null
+++ b/nix/default-arm64.nix
@@ -0,0 +1,95 @@
+let
+  pkgs = (import ./nixpkgs.nix {
+    crossSystem = {
+      config = "aarch64-unknown-linux-gnu";
+    };
+    overlays = [
+      (final: pkg: {
+        pcre = (static pkg.pcre).overrideAttrs (x: {
+          configureFlags = x.configureFlags ++ [
+            "--enable-static"
+          ];
+        });
+      })
+    ];
+    config = {
+      packageOverrides = pkg: {
+        autogen = (static pkg.autogen);
+        e2fsprogs = (static pkg.e2fsprogs);
+        libuv = (static pkg.libuv);
+        glib = (static pkg.glib).overrideAttrs (x: {
+          outputs = [ "bin" "out" "dev" ];
+          mesonFlags = [
+            "-Ddefault_library=static"
+            "-Ddevbindir=${placeholder ''dev''}/bin"
+            "-Dgtk_doc=false"
+            "-Dnls=disabled"
+          ];
+          postInstall = ''
+            moveToOutput "share/glib-2.0" "$dev"
+            substituteInPlace "$dev/bin/gdbus-codegen" --replace "$out" "$dev"
+            sed -i "$dev/bin/glib-gettextize" -e "s|^gettext_dir=.*|gettext_dir=$dev/share/glib-2.0/gettext|"
+            sed '1i#line 1 "${x.pname}-${x.version}/include/glib-2.0/gobject/gobjectnotifyqueue.c"' \
+              -i "$dev"/include/glib-2.0/gobject/gobjectnotifyqueue.c
+          '';
+        });
+        gnutls = (static pkg.gnutls).overrideAttrs (x: {
+          configureFlags = (x.configureFlags or [ ]) ++ [
+            "--disable-non-suiteb-curves"
+            "--disable-openssl-compatibility"
+            "--disable-rpath"
+            "--enable-local-libopts"
+            "--without-p11-kit"
+          ];
+        });
+        systemd = (static pkg.systemd).overrideAttrs (x: {
+          outputs = [ "out" "dev" ];
+          mesonFlags = x.mesonFlags ++ [
+            "-Dstatic-libsystemd=true"
+          ];
+        });
+      };
+    };
+  });
+
+  static = pkg: pkg.overrideAttrs (x: {
+    doCheck = false;
+    configureFlags = (x.configureFlags or [ ]) ++ [
+      "--without-shared"
+      "--disable-shared"
+    ];
+    dontDisableStatic = true;
+    enableSharedExecutables = false;
+    enableStatic = true;
+  });
+
+  self = with pkgs; stdenv.mkDerivation rec {
+    name = "conmon";
+    src = ./..;
+    vendorSha256 = null;
+    doCheck = false;
+    enableParallelBuilding = true;
+    outputs = [ "out" ];
+    nativeBuildInputs = with buildPackages; [
+      bash
+      gitMinimal
+      pcre
+      pkg-config
+      which
+    ];
+    buildInputs = [ glibc glibc.static glib ];
+    prePatch = ''
+      export CFLAGS='-static -pthread'
+      export LDFLAGS='-s -w -static-libgcc -static'
+      export EXTRA_LDFLAGS='-s -w -linkmode external -extldflags "-static -lm"'
+    '';
+    buildPhase = ''
+      patchShebangs .
+      make
+    '';
+    installPhase = ''
+      install -Dm755 bin/conmon $out/bin/conmon
+    '';
+  };
+in
+self