17         let mut c = cc::Build::new();  in build()  localVariable
19         Self::setup_global_flags(&mut c);  in build()
20         Self::setup_defines(&mut c);  in build()
21         Self::setup_global_include_dir(&mut c);  in build()
22         Self::setup_files(&mut c);  in build()
23         c.compile("dragonos_kernel_cfiles");  in build()
26     fn setup_global_flags(c: &mut Build) {  in setup_global_flags()
27         c.flag("-fno-builtin")  in setup_global_flags()
36         current_cfiles_arch().setup_global_flags(c);  in setup_global_flags()
39     fn setup_defines(c: &mut Build) {  in setup_defines()
41             c.define("EMULATOR", Some(k.as_str()));  in setup_defines()
43             c.define("EMULATOR", "__NO_EMULATION__");  in setup_defines()
46         current_cfiles_arch().setup_defines(c);  in setup_defines()
49     fn setup_global_include_dir(c: &mut Build) {  in setup_global_include_dir()
52         c.include(".");  in setup_global_include_dir()
62             c.include(dir);  in setup_global_include_dir()
67     fn setup_files(c: &mut Build) {  in setup_files()
69         current_cfiles_arch().setup_files(c, &mut files);  in setup_files()
74         c.files(files.as_slice());  in setup_files()