def generate_header(solution_dir, version_header_dst):
    import os
    latest_mtime = 0
    for root, dirs, files in os.walk(solution_dir, topdown=True):
        dirs[:] = [d for d in dirs if d not in ['Generated']] # Ignored generated files
        files = [f for f in files if f.endswith('.cs')]
        for file in files:
            filepath = os.path.join(root, file)
            mtime = os.path.getmtime(filepath)
            latest_mtime = mtime if mtime > latest_mtime else latest_mtime

    glue_version = int(latest_mtime) # The latest modified time will do for now

    with open(version_header_dst, 'w') as version_header:
        version_header.write('/* THIS FILE IS GENERATED DO NOT EDIT */\n')
        version_header.write('#ifndef CS_GLUE_VERSION_H\n')
        version_header.write('#define CS_GLUE_VERSION_H\n\n')
        version_header.write('#define CS_GLUE_VERSION UINT32_C(' + str(glue_version) + ')\n')
        version_header.write('\n#endif // CS_GLUE_VERSION_H\n')