diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index cec0447..e9b5696 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -142,11 +142,29 @@ jobs:
     - uses: actions/checkout@v4
     - name: dependencies
       run: |
+           sudo apt install gcc-10 g++-10 libgcc-10-dev ninja-build
            cd ..
            cpptrace/ci/setup-prerequisites-unittest.sh
     - name: build and test
       run: |
            python3 ci/unittest.py
+  unittest-macos:
+    runs-on: macos-14
+    steps:
+    - uses: actions/checkout@v4
+    - uses: maxim-lobanov/setup-xcode@v1
+      with:
+        xcode-version: "15.4"
+    - name: dependencies
+      run: |
+           brew install ninja
+           python3 -m venv env
+           env/bin/pip install colorama
+           cd ..
+           cpptrace/ci/setup-prerequisites-unittest-macos.sh
+    - name: build and test
+      run: |
+           env/bin/python ci/unittest.py
   unittest-windows:
     runs-on: windows-2022
     strategy:
diff --git a/ci/setup-prerequisites-unittest-macos.sh b/ci/setup-prerequisites-unittest-macos.sh
new file mode 100755
index 0000000..6df6fa6
--- /dev/null
+++ b/ci/setup-prerequisites-unittest-macos.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+
+mkdir zstd
+cd zstd
+git init
+git remote add origin https://github.com/facebook/zstd.git
+git fetch --depth 1 origin 63779c798237346c2b245c546c40b72a5a5913fe # 1.5.5
+git checkout FETCH_HEAD
+make -j
+sudo make install
+
+cd ..
+
+mkdir libdwarf
+cd libdwarf
+git init
+git remote add origin https://github.com/davea42/libdwarf-code.git
+git fetch --depth 1 origin e2ab28a547ed8a53f2c96a825247a7cc8f7e40bb
+git checkout FETCH_HEAD
+mkdir build
+cd build
+cmake .. -GNinja -DPIC_ALWAYS=TRUE -DBUILD_DWARFDUMP=FALSE
+sudo ninja install
+
+cd ../..
+
+mkdir googletest
+cd googletest
+git init
+git remote add origin https://github.com/google/googletest.git
+git fetch --depth 1 origin f8d7d77c06936315286eb55f8de22cd23c188571
+git checkout FETCH_HEAD
+mkdir build
+cd build
+cmake .. -GNinja -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_INSTALL_PREFIX=/tmp/gtest_install
+sudo ninja install
+rm -rf *
+# There's a false-positive container-overflow for apple clang/relwithdebinfo/sanitizers=on if gtest isn't built with
+# sanitizers. https://github.com/google/sanitizers/wiki/AddressSanitizerContainerOverflow#false-positives
+cmake .. -GNinja -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_INSTALL_PREFIX=/tmp/gtest_asan_install -DCMAKE_CXX_FLAGS=-fsanitize=address
+sudo ninja install
+rm -rf *
+cmake .. -GNinja -DCMAKE_CXX_COMPILER=g++-12 -DCMAKE_INSTALL_PREFIX=/tmp/gtest_install_gcc
+sudo ninja install
diff --git a/ci/setup-prerequisites-unittest.sh b/ci/setup-prerequisites-unittest.sh
index 551552f..6387460 100755
--- a/ci/setup-prerequisites-unittest.sh
+++ b/ci/setup-prerequisites-unittest.sh
@@ -1,5 +1,4 @@
 #!/bin/bash
-sudo apt install gcc-10 g++-10 libgcc-10-dev ninja-build
 
 mkdir zstd
 cd zstd
diff --git a/ci/unittest.py b/ci/unittest.py
index 0e17837..148fa6d 100644
--- a/ci/unittest.py
+++ b/ci/unittest.py
@@ -15,7 +15,7 @@ def get_c_compiler_counterpart(compiler: str) -> str:
     return compiler.replace("clang++", "clang").replace("g++", "gcc")
 
 def build(runner: MatrixRunner):
-    if platform.system() != "Windows":
+    if platform.system() == "Linux":
         matrix = runner.current_config()
         args = [
             "cmake",
@@ -24,7 +24,7 @@ def build(runner: MatrixRunner):
             f"-DCMAKE_CXX_COMPILER={matrix['compiler']}",
             f"-DCMAKE_C_COMPILER={get_c_compiler_counterpart(matrix['compiler'])}",
             f"-DCMAKE_BUILD_TYPE={matrix['build_type']}",
-            f"-DBUILD_SHARED_LIBS={matrix['shared']}",
+            f"-DCPPTRACE_BUILD_SHARED={matrix['shared']}",
             f"-DHAS_DL_FIND_OBJECT={matrix['has_dl_find_object']}",
             "-DCPPTRACE_WERROR_BUILD=On",
             "-DCPPTRACE_STD_FORMAT=Off",
@@ -37,6 +37,32 @@ def build(runner: MatrixRunner):
             f"-DCPPTRACE_USE_EXTERNAL_GTEST=On",
         ]
         return runner.run_command(*args) and runner.run_command("ninja")
+    elif platform.system() == "Darwin":
+        matrix = runner.current_config()
+        if "clang++" in matrix["compiler"]:
+            gtest_path = "/tmp/gtest_asan_install" if matrix['sanitizers'] == "ON" else "/tmp/gtest_install"
+        else:
+            gtest_path = "/tmp/gtest_install_gcc"
+        args = [
+            "cmake",
+            "..",
+            "-GNinja",
+            f"-DCMAKE_CXX_COMPILER={matrix['compiler']}",
+            f"-DCMAKE_C_COMPILER={get_c_compiler_counterpart(matrix['compiler'])}",
+            f"-DCMAKE_BUILD_TYPE={matrix['build_type']}",
+            f"-DCPPTRACE_BUILD_SHARED={matrix['shared']}",
+            "-DCPPTRACE_WERROR_BUILD=On",
+            "-DCPPTRACE_STD_FORMAT=Off",
+            "-DCPPTRACE_BUILD_TESTING=On",
+            f"-DCPPTRACE_SANITIZER_BUILD={matrix['sanitizers']}",
+            # f"-DCPPTRACE_BUILD_TESTING_SPLIT_DWARF={matrix['split_dwarf']}",
+            # f"-DCPPTRACE_BUILD_TESTING_SPLIT_DWARF={matrix['dwarf_version']}",
+            f"-DCPPTRACE_USE_EXTERNAL_LIBDWARF=On",
+            f"-DCPPTRACE_USE_EXTERNAL_ZSTD=On",
+            f"-DCPPTRACE_USE_EXTERNAL_GTEST=On",
+            f"-DCMAKE_PREFIX_PATH={gtest_path}",
+        ]
+        return runner.run_command(*args) and runner.run_command("ninja")
     else:
         raise ValueError()
 
@@ -50,9 +76,12 @@ def build_and_test(runner: MatrixRunner):
     # the build directory has to be purged on compiler or shared change
     last = runner.last_config()
     current = runner.current_config()
-    if last is None or last["compiler"] != current["compiler"] or last["shared"] != current["shared"]:
-        if os.path.exists("build"):
-            shutil.rmtree("build", ignore_errors=True)
+    if (
+        last is None
+        or last["compiler"] != current["compiler"]
+        or (platform.system() == "Darwin" and last["sanitizers"] != current["sanitizers"])
+    ) and os.path.exists("build"):
+        shutil.rmtree("build", ignore_errors=True)
 
     if not os.path.exists("build"):
         os.mkdir("build")
@@ -71,9 +100,9 @@ def run_linux_matrix():
     MatrixRunner(
         matrix = {
             "compiler": ["g++-10", "clang++-14"],
-            "shared": ["OFF", "ON"],
-            "build_type": ["Debug", "RelWithDebInfo"],
             "sanitizers": ["OFF", "ON"],
+            "build_type": ["Debug", "RelWithDebInfo"],
+            "shared": ["OFF", "ON"],
             "has_dl_find_object": ["OFF", "ON"],
             "split_dwarf": ["OFF", "ON"],
             "dwarf_version": ["4", "5"],
@@ -81,11 +110,29 @@ def run_linux_matrix():
         exclude = []
     ).run(build_and_test)
 
+def run_macos_matrix():
+    MatrixRunner(
+        matrix = {
+            "compiler": ["g++-12", "clang++"],
+            "sanitizers": ["OFF", "ON"],
+            "build_type": ["Debug", "RelWithDebInfo"],
+            "shared": ["OFF", "ON"],
+            # "split_dwarf": ["OFF", "ON"],
+            # "dwarf_version": ["4", "5"],
+        },
+        exclude = [
+            {
+                "compiler": "g++-12",
+                "sanitizers": "ON",
+            }
+        ]
+    ).run(build_and_test)
+
 def main():
     if platform.system() == "Linux":
         run_linux_matrix()
     if platform.system() == "Darwin":
-        raise ValueError() # run_macos_matrix()
+        run_macos_matrix()
     if platform.system() == "Windows":
         raise ValueError() # run_windows_matrix()