- additional_include_dir = include_directories(prefix_path + '/' + 'include')
- local_dep = declare_dependency(include_directories: additional_include_dir)
+ include_dir_str = join_paths(prefix_path, 'include')
+ if not fs.is_dir(include_dir_str)
+ error('Prefix path does not contain an include directory!')
+ endif
+ local_dep = declare_dependency(include_directories: include_dir_str)