Variables starting with `d' in makedefs

• d makedefs/MakeInc.rule:403
• define makedefs/MakeInc.dir:446
• dir makedefs/MakeInc.rule:33
• do_build_all makedefs/MakeInc.dir:303
• do_build_install makedefs/MakeInc.dir:393
• do_build_mach_kernel makedefs/MakeInc.dir:334
• do_build_setup makedefs/MakeInc.dir:253
• do_exporthdrs_md makedefs/MakeInc.dir:210
• do_exporthdrs_mi makedefs/MakeInc.dir:187
• do_installhdrs_md makedefs/MakeInc.dir:112
• do_installhdrs_mi makedefs/MakeInc.dir:89
• done makedefs/MakeInc.dir:15