v1.33-cmake (2025-05-03)

This release marks a significant modernization of the project infrastructure, making it easier to build, test, and contribute on all major platforms.

Major Changes

Migration to CMake and CTest

The build system has been fully migrated from GNU Make and bash scripts to CMake for configuration and building, and CTest for running tests. This modernizes the project, improves cross-platform support, and simplifies CI integration.
The old Makefile and bash-based test logic have been removed. All build and test logic is now described in CMakeLists.txt and supporting CMake modules.

CMake Build System Introduced
- Added a comprehensive CMakeLists.txt supporting all core libraries, test executables, and example programs.
- Created CMake modules for configuration, test orchestration, and package config file generation.
- Updated the documentation and README to reflect the new build and test instructions.
CTest Integration
- All unit and compatibility tests are now registered and run via CTest, enabling standard test reporting and integration with CI systems.
GMP Compatibility Improvements
- Added cmake/FindGMP.cmake to robustly locate the GMP library, especially on macOS where pkg-config may not suffice.
- Enhanced cmake/GmpCompatTest.cmake to pass correct library filenames to test scripts via environment variables, ensuring correct dynamic linking on all platforms.
CI Workflow Modernization
- Updated GitHub Actions workflow to use CMake and CTest for all platforms.
- Fixed ARM runner issues by installing CMake and Ninja via apt-get to ensure correct architecture.
- Added Homebrew-based installation of GMP on macOS runners to enable compatibility tests.
Build and Test Cleanups
- Removed duplicate builds of the pi example to avoid conflicts with Ninja and CMake.
- Fixed build errors in Release mode for several source files.
- Ensured that all test and example binaries are built and run consistently across Linux, macOS, and ARM platforms.

Improved cross-platform compatibility for both build and test phases.
Enhanced maintainability by consolidating build and test logic in CMake.
Added and updated CMake modules for configuration, test generation, and environment setup.