diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..30c019e
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,89 @@
+name: Build releases
+
+on:
+  workflow_dispatch:
+  pull_request:
+    types: [opened, synchronize]
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        include:
+          - os: macos-latest-large
+            target: aarch64-apple-darwin
+          - os: macos-latest-large
+            target: aarch64-apple-ios
+          - os: macos-latest-large
+            # cross-compile for Linux ARM using Apple Silicon until we have ARM runners
+            target: aarch64-unknown-linux-musl
+          - os: macos-latest
+            target: x86_64-apple-darwin
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-musl
+          # - os: windows-latest
+          #   target: x86_64-pc-windows-msvc
+    name: Build ${{matrix.target}}
+    runs-on: ${{matrix.os}}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Get short SHA
+        id: sha
+        run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
+
+      - name: Install build tools (Linux)
+        if: ${{matrix.os == 'ubuntu-latest'}}
+        run: |
+          sudo apt-get update
+          sudo apt-get install musl-tools
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@1.70.0
+        with:
+          components: llvm-tools-preview
+          target: ${{matrix.target}}
+
+      - name: Install cbindgen
+        run: cargo install cbindgen
+
+      - name: Cache Rust dependencies
+        uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: ${{matrix.target}}
+
+      - name: Install musl for mac -> linux cross compilation
+        if: ${{matrix.target == 'aarch64-unknown-linux-musl'}}
+        run: brew install filosottile/musl-cross/musl-cross
+
+      - name: Build library
+        env:
+          CARGO_TARGET_AARCH64_UNKNOWN_LINUX_MUSL_LINKER: aarch64-linux-musl-gcc
+        run: make TARGET=${{matrix.target}} release
+
+      - name: Run C tests
+        if: ${{matrix.os != 'windows-latest'}}
+        run: make TARGET=${{matrix.target}} test-c
+
+      - name: Run C++ tests
+        if: ${{matrix.os != 'windows-latest'}}
+        run: make TARGET=${{matrix.target}} test-cpp
+
+      - name: Show Windows warning
+        if: ${{matrix.os == 'windows-latest'}}
+        run: echo "::warning::C/C++ tests did NOT run in Windows"
+
+      - name: Move files to main folder
+        run: mv target/release/libc2pa_c* .
+
+      - name: Add files to archive
+        uses: actions/upload-artifact@v4
+        with:
+          name: c2pa-c_${{matrix.target}}-${{ steps.sha.outputs.sha_short }}.zip
+          path: |
+            README.md
+            include/**
+            examples/**
+            libc2pa_c*
+          retention-days: 3
diff --git a/.gitignore b/.gitignore
index 349614d..01f09e7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 /target
+/dist
+/include
 /Cargo.lock
 
 .vscode
diff --git a/Cargo.toml b/Cargo.toml
index 24e112a..a06ab90 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,4 +12,4 @@ c2pa = {version="0.28.4", features = ["file_io", "add_thumbnails", "fetch_remote
 serde = { version = "1.0", features = ["derive"] }
 serde_derive = "1.0"
 serde_json = "1.0"
-thiserror = "1.0.49" 
\ No newline at end of file
+thiserror = "1.0.49"
diff --git a/Makefile b/Makefile
index ea2da07..ecf2dda 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,12 @@ ifeq ($(OS), Linux)
 CFLAGS = -pthread -Wl,--no-as-needed -ldl -lm
 ENV = LD_LIBRARY_PATH=target/release
 endif
+ifneq (,$(findstring musl,$(TARGET)))
+CC = musl-gcc
+GCC = musl-g++
+else
+GCC = g++
+endif
 
 check-format:
 	cargo fmt -- --check
@@ -19,19 +25,19 @@ test-rust:
 	cargo test --all-features
 
 release: 
-	cargo build --release
+	cargo build --release --target $(TARGET)
 	cbindgen --config cbindgen.toml --crate c2pa-c --output include/c2pa.h --lang c
 
-test-c: release
-	$(CC) $(CFLAGS) tests/test.c -o target/ctest -lc2pa_c -L./target/release
-	$(ENV) target/ctest
+test-c:
+	$(CC) $(CFLAGS) tests/test.c -o target/$(TARGET)/ctest -lc2pa_c -L./target/$(TARGET)/release
+	LD_LIBRARY_PATH=$$LD_LIBRARY_PATH:./target/$(TARGET)/release target/$(TARGET)/ctest
 
-test-cpp: release
-	g++ $(CFLAGS) -std=c++17 tests/test.cpp -o target/cpptest -lc2pa_c -L./target/release 
-	$(ENV) target/cpptest
+test-cpp:
+	$(GCC) $(CFLAGS) -std=c++11 tests/test.cpp -o target/$(TARGET)/cpptest -lc2pa_c -L./target/$(TARGET)/release 
+	LD_LIBRARY_PATH=$$LD_LIBRARY_PATH:./target/$(TARGET)/release target/$(TARGET)/cpptest
 
 example: release
-	g++ $(CFLAGS) -std=c++17 examples/training.cpp -o target/training -lc2pa_c -L./target/release
+	$(GCC) $(CFLAGS) -std=c++17 examples/training.cpp -o target/training -lc2pa_c -L./target/release
 	$(ENV) target/training
 
 # Creates a folder wtih c2patool bin, samples and readme
@@ -45,4 +51,4 @@ package:
 
 test: check-format clippy test-rust test-c test-cpp
 
-all: test example
\ No newline at end of file
+all: test example