diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
index a58e1b7a..7cbd1267 100644
--- a/.github/workflows/android.yml
+++ b/.github/workflows/android.yml
@@ -16,18 +16,16 @@ jobs:
         config: [debug, release]
         include:
           - config: debug
+            target: assembleDebug
             apkname: espeak-debug.apk
           - config: release
+            target: assembleRelease
             apkname: espeak-release-unsigned.apk
     name: Build ${{ matrix.config }} APK
     steps:
       - uses: actions/checkout@v3
-      - name: autoconf
-        run: ./autogen.sh ; chmod -x INSTALL m4/*.m4
-      - name: configure
-        run: ./configure --with-gradle=$(pwd)/android/gradlew
       - name: make
-        run: make apk-${{ matrix.config }}
+        run: cd android ; ./gradlew ${{ matrix.target }}
       - name: upload
         uses: actions/upload-artifact@v3
         with:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ff5457fe..d4420ba1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -70,7 +70,7 @@ jobs:
           - sanitizer: "memory"
             configenv: "CC=clang CXX=clang++"
             sanitizer_cflags: "-fsanitize=memory -fsanitize-memory-track-origins=2"
-            config: "--without-pcaudiolib --without-sonic"
+            config: "-DUSE_LIBPCAUDIO:BOOL=OFF -DUSE_LIBSONIC:BOOL=OFF"
             sanitize_env: "MSAN_OPTIONS=exitcode=42"
 
           - sanitizer: "thread"
@@ -81,7 +81,7 @@ jobs:
             sanitize_env: "UBSAN_OPTIONS=halt_on_error=1"
 
           - sanitizer: "valgrind"
-            sanitize_env: 'VALGRIND="libtool --mode=execute valgrind --track-origins=yes --leak-check=full --error-exitcode=1"'
+            sanitize_env: 'VALGRIND="valgrind --track-origins=yes --leak-check=full --error-exitcode=1"'
           
         exclude:
           - os: macos
@@ -183,7 +183,7 @@ jobs:
         sudo apt-get install ronn kramdown python3
     - name: apt-arch-deps
       if: matrix.os == 'ubuntu' && matrix.cross == 'no'
-      run: "sudo apt-get install libtool-bin valgrind g++-12-multilib linux-libc-dev:${{ matrix.arch }} libpcaudio-dev:${{ matrix.arch }} libsonic-dev:${{ matrix.arch }} libstdc++-12-dev:${{ matrix.arch }} libc6-dbg:${{ matrix.arch }}"
+      run: "sudo apt-get install cmake valgrind g++-12-multilib linux-libc-dev:${{ matrix.arch }} libpcaudio-dev:${{ matrix.arch }} libsonic-dev:${{ matrix.arch }} libstdc++-12-dev:${{ matrix.arch }} libc6-dbg:${{ matrix.arch }}"
     - name: apt-cross-deps
       if: matrix.cross == 'yes'
       run: sudo apt-get install qemu-user g++-12-${{ matrix.arch }}-${{ matrix.sys }}
@@ -194,8 +194,7 @@ jobs:
     # MacOS - dependencies
     - name: brew-deps
       if: matrix.os == 'macos'
-      run: brew install libtool automake ronn OJFord/homebrew-formulae/kramdown &&
-           brew install --HEAD anarchivist/espeak-ng/waywardgeek-sonic
+      run: brew install cmake ronn OJFord/homebrew-formulae/kramdown
     - name: brew-compile-deps
       if: matrix.os == 'macos' && matrix.compiler == 'gcc'
       run: brew install gcc@12
@@ -204,11 +203,6 @@ jobs:
     - uses: actions/checkout@v3
 
     # Configure
-    - name: autoconf
-      run: |
-        ./autogen.sh
-        chmod -x INSTALL m4/*.m4
-
     - name: configure
       run: |
         [ 'x${{ matrix.compiler }}' = 'xgcc' ] && export CC="${{ matrix.ccarch }}-${{ matrix.sys }}-gcc-12"
@@ -218,19 +212,21 @@ jobs:
         [ 'x${{ matrix.cross }}' = 'xyes' ] && export LD="${{ matrix.ccarch }}-${{ matrix.sys }}-ld"
         export CFLAGS="-g -Og -fno-omit-frame-pointer ${{ matrix.compiler_flags }} ${{ matrix.sanitizer_cflags }} ${{ matrix.archcflags }}"
         export CXXFLAGS="-g -Og -fno-omit-frame-pointer ${{ matrix.compiler_flags }} ${{ matrix.sanitizer_cflags }} ${{ matrix.archcflags }}"
-        ./configure --host=${{ matrix.arch }}-${{ matrix.sys }} ${{ matrix.config }}
+        cmake -Bbuild ${{ matrix.config }} -DCMAKE_SYSTEM_PROCESSOR=${{ matrix.arch }} -DUSE_ASYNC:BOOL=OFF
 
     - name: config-failed-upload
       if: ${{ failure() }}
       uses: actions/upload-artifact@v3
       with:
-        name: config-${{ matrix.os }}-${{ matrix.arch }}-${{ matrix.compiler }}-${{ matrix.sanitizer }}.log
-        path: config.log
+        name: cmake-${{ matrix.os }}-${{ matrix.arch }}-${{ matrix.compiler }}-${{ matrix.sanitizer }}-builddir
+        path: build
 
     # Build and test
     - name: make-binary
-      run: make src/speak-ng src/espeak-ng
+      run: cmake --build build --target espeak-ng
     - name: make-data
-      run: ${{ matrix.sanitize_env }} ${{ matrix.runenv }} make all-am
+      run: ${{ matrix.sanitize_env }} ${{ matrix.runenv }} cmake --build build --target data
     - name: test
-      run: ${{ matrix.sanitize_env }} ${{ matrix.runenv }} make check
+      run: |
+        ${{ matrix.sanitize_env }} ${{ matrix.runenv }} cmake --build build --target tests
+        ${{ matrix.sanitize_env }} ${{ matrix.runenv }} ctest --test-dir build -Ttest -j1 --output-on-failure
diff --git a/.github/workflows/dist.yml b/.github/workflows/dist.yml
index 977e0464..c62a92bf 100644
--- a/.github/workflows/dist.yml
+++ b/.github/workflows/dist.yml
@@ -8,7 +8,7 @@ on:
     branches: [ master ]
 
 env:
-  deps: libpcaudio-dev libsonic-dev ronn kramdown python3
+  deps: cmake libpcaudio-dev libsonic-dev ronn kramdown python3
 
 jobs:
 
@@ -37,10 +37,8 @@ jobs:
         if: matrix.arch == 'x86-32'
       - name: dependencies
         run: sudo apt-get update && sudo apt-get install ${{ env.deps }} reprotest ${{ matrix.archdeps }}
-      - name: autoconf
-        run: ./autogen.sh ; chmod -x INSTALL m4/*.m4
       - name: run
-        run: reprotest 'CFLAGS="${{ matrix.archconfigflags }}" CXXFLAGS="${{ matrix.archconfigflags }}" ./configure --without-gradle && make clean && make && make check && touch success' success
+        run: reprotest 'CFLAGS="${{ matrix.archconfigflags }}" CXXFLAGS="${{ matrix.archconfigflags }}" rm -rf build && cmake -Bbuild -DUSE_ASYNC:BOOL=OFF && cmake --build build && ctest --test-dir build -Ttest -j1 --output-on-failure && touch success' success
 
   distcheck:
 
@@ -50,21 +48,21 @@ jobs:
       - uses: actions/checkout@v3
       - name: dependencies
         run: sudo apt-get update && sudo apt-get install ${{ env.deps }}
-      - name: autoconf
-        run: ./autogen.sh ; chmod -x INSTALL m4/*.m4
       - name: configure
-        run: ./configure
+        run: cmake -Bbuild -DUSE_ASYNC:BOOL=OFF
       - name: make
-        run: make
+        run: cmake --build build
       - name: make check
-        run: make check
-      - name: make dist
-        run: make dist
+        run: ctest --test-dir build -Ttest -j1 --output-on-failure
+
+      - name: make package_source
+        run: cmake --build build --target package_source
       - name: unpack
-        run: mkdir unpack && tar -C unpack -xf *.tar.gz
+        run: mkdir unpack && tar -C unpack -xf build/espeak-ng-*-Source.tar.bz2
+
       - name: re-configure
-        run: cd unpack/espeak-ng-* && ./configure
+        run: cd unpack/espeak-ng-* && cmake -Bbuild -DUSE_ASYNC:BOOL=OFF
       - name: re-make
-        run: cd unpack/espeak-ng-* && make
+        run: cd unpack/espeak-ng-* && cmake --build build
       - name: re-make check
-        run: cd unpack/espeak-ng-* && make check
+        run: cd unpack/espeak-ng-* && ctest --test-dir build -Ttest -j1 --output-on-failure
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2bf44068..b1c88ce2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,6 +12,11 @@ include(cmake/deps.cmake)
 include(cmake/config.cmake)
 add_subdirectory(src)
 include(cmake/data.cmake)
+
+include(cmake/package.cmake)
+include(CPack)
+
+include(CTest)
 add_subdirectory(tests)
 
 option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
diff --git a/cmake/package.cmake b/cmake/package.cmake
new file mode 100644
index 00000000..29ba8604
--- /dev/null
+++ b/cmake/package.cmake
@@ -0,0 +1,17 @@
+list(APPEND CPACK_SOURCE_IGNORE_FILES
+  /\.git/
+  /\.gitignore
+  /\.github/
+  /\.tx/
+  /\.travis.yml
+  /_layouts/
+  /android/
+  /build/
+  /chromium_extension/
+  /data/
+  /docs/
+  /emscripten/
+  /fastlane/
+  /tools/
+  /vim/
+)