| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| Josh Poimboeuf | c0dd671686 | 2016-02-28 22:22:34 -0600 | [diff] [blame] | 2 | OBJECT_FILES_NON_STANDARD := y |
| Sami Tolvanen | d23dddf | 2020-12-11 10:46:28 -0800 | [diff] [blame] | 3 | CFLAGS_REMOVE_empty.o += $(CC_FLAGS_LTO) |
| Josh Poimboeuf | c0dd671686 | 2016-02-28 22:22:34 -0600 | [diff] [blame] | 4 | |
| Masahiro Yamada | faabed2 | 2020-08-01 21:27:18 +0900 | [diff] [blame] | 5 | hostprogs-always-y += modpost mk_elfconfig |
| 6 | always-y += empty.o |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | |
| 8 | modpost-objs := modpost.o file2alias.o sumversion.o |
| 9 | |
| Andreas Schwab | 6543bec | 2013-01-20 17:58:47 +0100 | [diff] [blame] | 10 | devicetable-offsets-file := devicetable-offsets.h |
| 11 | |
| Matthias Kaehlcke | ebf003f | 2017-04-12 12:43:52 -0700 | [diff] [blame] | 12 | $(obj)/$(devicetable-offsets-file): $(obj)/devicetable-offsets.s FORCE |
| 13 | $(call filechk,offsets,__DEVICETABLE_OFFSETS_H__) |
| Andreas Schwab | 6543bec | 2013-01-20 17:58:47 +0100 | [diff] [blame] | 14 | |
| Jan Beulich | bd70134 | 2013-05-29 13:18:56 +0100 | [diff] [blame] | 15 | targets += $(devicetable-offsets-file) devicetable-offsets.s |
| Andreas Schwab | 22fc427 | 2013-05-04 16:32:53 +0200 | [diff] [blame] | 16 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | # dependencies on generated files need to be listed explicitly |
| 18 | |
| 19 | $(obj)/modpost.o $(obj)/file2alias.o $(obj)/sumversion.o: $(obj)/elfconfig.h |
| Andreas Schwab | 6543bec | 2013-01-20 17:58:47 +0100 | [diff] [blame] | 20 | $(obj)/file2alias.o: $(obj)/$(devicetable-offsets-file) |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | |
| 22 | quiet_cmd_elfconfig = MKELF $@ |
| Alan Jenkins | 9e1b9b8 | 2009-11-07 21:03:54 +0000 | [diff] [blame] | 23 | cmd_elfconfig = $(obj)/mk_elfconfig < $< > $@ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | |
| 25 | $(obj)/elfconfig.h: $(obj)/empty.o $(obj)/mk_elfconfig FORCE |
| 26 | $(call if_changed,elfconfig) |
| 27 | |
| 28 | targets += elfconfig.h |