Change Details

**Release notes:** - Add CMake build support. The autoconf build support is now deprecated. - Add AppVeyor configuration, for Windows CI coverage. - Small performance improvement on little-endian PowerPC. - Small performance improvement on LLVM with position-independent executables. - Fix a few issues with various build environments. Signed-off-by: Pierre-Yves <pyu@riseup.net>

**Release notes:** - Add CMake build support. The autoconf build support is now deprecated. - Small performance improvement on LLVM with position-independent executables. - Fix a few issues with various build environments. Packaging: - Fix license - Switch to cmake Signed-off-by: Pierre-Yves <pyu@riseup.net>

**Release notes:** - Add CMake build support. The autoconf build support is now deprecated. - Add AppVeyor configuration, for Windows CI coverage. - Small performance improvement on little-endian PowerPC. - Small performance improvement on LLVM with position-independent executables. - Fix a few issues with various build environments. Packaging: - Fix license - Switch to cmake Signed-off-by: Pierre-Yves <pyu@riseup.net>