blob: 3aedbbffef82e42c0b64e5158953152dc7dbf594
| 1 | # Makefile for busybox |
| 2 | # |
| 3 | # Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org> |
| 4 | # |
| 5 | # Licensed under GPLv2, see file LICENSE in this source tree. |
| 6 | |
| 7 | obj-y := |
| 8 | obj-y += applets.o |
| 9 | |
| 10 | hostprogs-y:= |
| 11 | hostprogs-y += usage usage_pod applet_tables |
| 12 | |
| 13 | always:= $(hostprogs-y) |
| 14 | |
| 15 | # Generated files need additional love |
| 16 | |
| 17 | # This trick decreases amount of rebuilds |
| 18 | # if tree is merely renamed/copied |
| 19 | ifeq ($(srctree),$(objtree)) |
| 20 | srctree_slash = |
| 21 | else |
| 22 | srctree_slash = $(srctree)/ |
| 23 | endif |
| 24 | |
| 25 | HOSTCFLAGS_usage.o = -I$(srctree_slash)include -Iinclude |
| 26 | HOSTCFLAGS_usage_pod.o = -I$(srctree_slash)include -Iinclude |
| 27 | |
| 28 | applets/applets.o: include/usage_compressed.h include/applet_tables.h |
| 29 | |
| 30 | applets/applet_tables: .config include/applets.h |
| 31 | applets/usage: .config include/applets.h |
| 32 | applets/usage_pod: .config include/applets.h include/applet_tables.h |
| 33 | |
| 34 | quiet_cmd_gen_usage_compressed = GEN include/usage_compressed.h |
| 35 | cmd_gen_usage_compressed = $(srctree_slash)applets/usage_compressed include/usage_compressed.h applets |
| 36 | |
| 37 | include/usage_compressed.h: applets/usage $(srctree_slash)applets/usage_compressed |
| 38 | $(call cmd,gen_usage_compressed) |
| 39 | |
| 40 | quiet_cmd_gen_applet_tables = GEN include/applet_tables.h include/NUM_APPLETS.h |
| 41 | cmd_gen_applet_tables = applets/applet_tables include/applet_tables.h include/NUM_APPLETS.h |
| 42 | |
| 43 | include/NUM_APPLETS.h: applets/applet_tables |
| 44 | $(call cmd,gen_applet_tables) |
| 45 | |
| 46 | # In fact, include/applet_tables.h depends only on applets/applet_tables, |
| 47 | # and is generated by it. But specifying only it can run |
| 48 | # applets/applet_tables twice, possibly in parallel. |
| 49 | # We say that it also needs NUM_APPLETS.h |
| 50 | # |
| 51 | # Unfortunately, we need to list the same command, |
| 52 | # and it can be executed twice (sequentially). |
| 53 | # The alternative is to not list any command, |
| 54 | # and then if include/applet_tables.h is deleted, it won't be rebuilt. |
| 55 | # |
| 56 | include/applet_tables.h: include/NUM_APPLETS.h applets/applet_tables |
| 57 | $(call cmd,gen_applet_tables) |
| 58 |