The line #include <Accelerate/Accelerate.h> causes a chain of files to be included. When uuid.h is included, it tries to include botan/types.h. This causes the above error message, 'botan/types.h' file not found. . This is for the Apple M3 Max, running Xcode 16.2. clang dialect = c++23. macOS build target = macOS 15 Sequoia