diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..fe89e52
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,9 @@
+# Set update schedule for GitHub Actions
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      # Check for updates to GitHub Actions every weekday
+      interval: "daily" 
diff --git a/.github/workflows/expired.yml b/.github/workflows/expired.yml
new file mode 100644
index 0000000..358b906
--- /dev/null
+++ b/.github/workflows/expired.yml
@@ -0,0 +1,22 @@
+name: 'Close stale issues and PRs'
+on:
+  schedule:
+    - cron: '0 */8 * * *'
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v3
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          exempt-issue-milestones: 'future,alpha,beta,release'
+          exempt-pr-milestones: 'bugfix,improvement'
+          exempt-all-pr-assignees: true
+          stale-issue-message: 'This issue is stale because it has been open 120 days with no activity. Remove stale label or comment or this will be closed in 15 days.'
+          stale-pr-message: 'This PR is stale because it has been open 120 days with no activity. Remove stale label or comment or this will be closed in 15 days.'
+          close-issue-message: 'This issue was closed because it has been stalled for 30 days with no activity.'
+          close-pr-message: 'This PR was closed because it has been stalled for 30 days with no activity.'
+          days-before-issue-stale: 120
+          days-before-pr-stale: 120
+          days-before-issue-close: 30
+          days-before-pr-close: 30
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..d6bd199
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,30 @@
+name: tmux-mem-cpu-load
+
+on:
+  push:
+    branches:
+    - '*'
+    paths-ignore:
+      - '**/README.md'
+  pull_request:
+    branches:
+    - '*'
+  workflow_dispatch:
+
+jobs:
+  image:
+    name: build ${{ matrix.arch_name }} ${{ matrix.build_type }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        arch_name: [android-arm, android-arm64, android-x86, android-x86_64, web-wasm, linux-arm64, linux-arm64-musl, linux-armv5, linux-armv5-musl, linux-armv6, linux-armv6-musl, linux-armv7, linux-armv7a, linux-armv7l-musl, linux-x64-clang, linux-s390x, linux-x64, linux-x86, linux-mips, linux-ppc64le, manylinux1-x64, manylinux1-x86, manylinux2010-x64, manylinux2010-x86, manylinux2014-x64, manylinux2014-x86, manylinux2014-aarch64, windows-static-x64, windows-static-x64-posix, windows-static-x86, windows-shared-x64, windows-shared-x64-posix, windows-shared-x86, linux-riscv64, linux-riscv32]
+        build_type: [Release, Debug]
+    steps:
+      - name: "📥 Checkout Code"
+        uses: actions/checkout@v2
+        with:
+          submodules: 'recursive'
+          fetch-depth: 0
+      - name: "🛠️ build"
+        run: ./builder/cmake.sh ${{ matrix.arch_name }}:latest -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
diff --git a/.gitignore b/.gitignore
index caf1808..ac32e0a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -57,3 +57,5 @@ Thumbs.db
 *.swp
 *.swo
 *~
+dockcross-*
+build-*
diff --git a/builder/cmake.sh b/builder/cmake.sh
new file mode 100755
index 0000000..fa55f9b
--- /dev/null
+++ b/builder/cmake.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+set -euo pipefail
+
+source $(dirname "$0")/functions/cmake_fn.sh
+
+cmake_build $@
diff --git a/builder/cmake_all.sh b/builder/cmake_all.sh
new file mode 100755
index 0000000..f53e822
--- /dev/null
+++ b/builder/cmake_all.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+set -euo pipefail
+
+curl https://raw.githubusercontent.com/dockcross/dockcross/master/Makefile -o dockcross-Makefile
+make -f dockcross-Makefile display_images
+
+source $(dirname "$0")/functions/cmake_fn.sh
+
+for image in $(make -f dockcross-Makefile display_images); do
+    cmake_build $image $@
+done
diff --git a/builder/functions/cmake_fn.sh b/builder/functions/cmake_fn.sh
new file mode 100755
index 0000000..031eeb3
--- /dev/null
+++ b/builder/functions/cmake_fn.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+set -euo pipefail
+
+cmake_build () {
+    local image=$1
+    local build_file=build-${image%:*}
+    shift 1
+    local cmake_arg=$@
+    echo "cmake arg: $cmake_arg"
+
+    echo "Pulling dockcross/$image"
+    docker pull dockcross/$image
+    echo "Make script dockcross-$image"
+    docker run --rm dockcross/$image > ./dockcross-$image
+    chmod +x ./dockcross-$image
+    echo "Build $build_file"
+    ./dockcross-$image cmake -B$build_file -H. -GNinja $cmake_arg
+    ./dockcross-$image ninja -C$build_file
+}
diff --git a/builder/functions/makefile_fn.sh b/builder/functions/makefile_fn.sh
new file mode 100755
index 0000000..69c0676
--- /dev/null
+++ b/builder/functions/makefile_fn.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+set -euo pipefail
+
+makefile_build () {
+    local image=$1
+    shift 1
+
+    echo "Pulling dockcross/$image"
+    docker pull dockcross/$image
+    echo "Make script dockcross-$image"
+    docker run --rm dockcross/$image > ./dockcross-$image
+    chmod +x ./dockcross-$image
+    echo "Build..."
+    ./dockcross-$image bash -c 'make CXX=$CXX CC=$CC AR=$AR AS=$AS CPP=$CPP FC=$FC'
+}
diff --git a/builder/makefile.sh b/builder/makefile.sh
new file mode 100755
index 0000000..f61687c
--- /dev/null
+++ b/builder/makefile.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+set -euo pipefail
+
+source $(dirname "$0")/functions/makefile_fn.sh
+
+makefile_build $@
diff --git a/builder/makefile_all.sh b/builder/makefile_all.sh
new file mode 100755
index 0000000..8b76d7a
--- /dev/null
+++ b/builder/makefile_all.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+set -euo pipefail
+
+curl https://raw.githubusercontent.com/dockcross/dockcross/master/Makefile -o dockcross-Makefile
+make -f dockcross-Makefile display_images
+
+source $(dirname "$0")/functions/makefile_fn.sh
+
+for image in $(make -f dockcross-Makefile display_images); do
+    makefile_build $image $@
+done