forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 30
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
kbuild: split final module linking out into Makefile.modfinal
I think splitting the modpost and linking modules into separate Makefiles will be useful especially when more complex build steps come in. The main motivation of this commit is to integrate the proposed klp-convert feature cleanly. I moved the logging 'Building modules, stage 2.' to Makefile.modpost to avoid the code duplication although I do not know whether or not this message is needed in the first place. Signed-off-by: Masahiro Yamada <[email protected]>
- Loading branch information
Showing
3 changed files
with
71 additions
and
70 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,60 @@ | ||
# SPDX-License-Identifier: GPL-2.0-only | ||
# =========================================================================== | ||
# Module final link | ||
# =========================================================================== | ||
|
||
PHONY := __modfinal | ||
__modfinal: | ||
|
||
include $(srctree)/scripts/Kbuild.include | ||
|
||
# for c_flags | ||
include $(srctree)/scripts/Makefile.lib | ||
|
||
# find all modules listed in modules.order | ||
modules := $(sort $(shell cat $(MODORDER))) | ||
|
||
__modfinal: $(modules) | ||
@: | ||
|
||
# modname is set to make c_flags define KBUILD_MODNAME | ||
modname = $(notdir $(@:.mod.o=)) | ||
|
||
quiet_cmd_cc_o_c = CC [M] $@ | ||
cmd_cc_o_c = $(CC) $(c_flags) $(KBUILD_CFLAGS_MODULE) $(CFLAGS_MODULE) \ | ||
-c -o $@ $< | ||
|
||
%.mod.o: %.mod.c FORCE | ||
$(call if_changed_dep,cc_o_c) | ||
|
||
ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink) | ||
|
||
quiet_cmd_ld_ko_o = LD [M] $@ | ||
cmd_ld_ko_o = \ | ||
$(LD) -r $(KBUILD_LDFLAGS) \ | ||
$(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \ | ||
$(addprefix -T , $(KBUILD_LDS_MODULE)) \ | ||
-o $@ $(filter %.o, $^); \ | ||
$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) | ||
|
||
$(modules): %.ko: %.o %.mod.o $(KBUILD_LDS_MODULE) FORCE | ||
+$(call if_changed,ld_ko_o) | ||
|
||
targets += $(modules) $(modules:.ko=.mod.o) | ||
|
||
# Add FORCE to the prequisites of a target to force it to be always rebuilt. | ||
# --------------------------------------------------------------------------- | ||
|
||
PHONY += FORCE | ||
FORCE: | ||
|
||
# Read all saved command lines and dependencies for the $(targets) we | ||
# may be building above, using $(if_changed{,_dep}). As an | ||
# optimization, we don't need to read them if the target does not | ||
# exist, we will rebuild anyway in that case. | ||
|
||
existing-targets := $(wildcard $(sort $(targets))) | ||
|
||
-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) | ||
|
||
.PHONY: $(PHONY) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters