mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 11:44:01 +08:00
2440387431
Infrastructure for building independent shared library targets. Based on work created by the PaX Team. Signed-off-by: Emese Revfy <re.emese@gmail.com> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Michal Marek <mmarek@suse.com>
94 lines
2.9 KiB
Makefile
94 lines
2.9 KiB
Makefile
# ==========================================================================
|
|
# Cleaning up
|
|
# ==========================================================================
|
|
|
|
src := $(obj)
|
|
|
|
PHONY := __clean
|
|
__clean:
|
|
|
|
include scripts/Kbuild.include
|
|
|
|
# The filename Kbuild has precedence over Makefile
|
|
kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
|
|
include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile)
|
|
|
|
# Figure out what we need to build from the various variables
|
|
# ==========================================================================
|
|
|
|
__subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y)))
|
|
subdir-y += $(__subdir-y)
|
|
__subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m)))
|
|
subdir-m += $(__subdir-m)
|
|
__subdir- := $(patsubst %/,%,$(filter %/, $(obj-)))
|
|
subdir- += $(__subdir-)
|
|
|
|
# Subdirectories we need to descend into
|
|
|
|
subdir-ym := $(sort $(subdir-y) $(subdir-m))
|
|
subdir-ymn := $(sort $(subdir-ym) $(subdir-))
|
|
|
|
# Add subdir path
|
|
|
|
subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
|
|
|
|
# build a list of files to remove, usually relative to the current
|
|
# directory
|
|
|
|
__clean-files := $(extra-y) $(extra-m) $(extra-) \
|
|
$(always) $(targets) $(clean-files) \
|
|
$(host-progs) \
|
|
$(hostprogs-y) $(hostprogs-m) $(hostprogs-) \
|
|
$(hostlibs-y) $(hostlibs-m) $(hostlibs-) \
|
|
$(hostcxxlibs-y) $(hostcxxlibs-m)
|
|
|
|
__clean-files := $(filter-out $(no-clean-files), $(__clean-files))
|
|
|
|
# clean-files is given relative to the current directory, unless it
|
|
# starts with $(objtree)/ (which means "./", so do not add "./" unless
|
|
# you want to delete a file from the toplevel object directory).
|
|
|
|
__clean-files := $(wildcard \
|
|
$(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \
|
|
$(filter $(objtree)/%, $(__clean-files)))
|
|
|
|
# same as clean-files
|
|
|
|
__clean-dirs := $(wildcard \
|
|
$(addprefix $(obj)/, $(filter-out $(objtree)/%, $(clean-dirs))) \
|
|
$(filter $(objtree)/%, $(clean-dirs)))
|
|
|
|
# ==========================================================================
|
|
|
|
quiet_cmd_clean = CLEAN $(obj)
|
|
cmd_clean = rm -f $(__clean-files)
|
|
quiet_cmd_cleandir = CLEAN $(__clean-dirs)
|
|
cmd_cleandir = rm -rf $(__clean-dirs)
|
|
|
|
|
|
__clean: $(subdir-ymn)
|
|
ifneq ($(strip $(__clean-files)),)
|
|
+$(call cmd,clean)
|
|
endif
|
|
ifneq ($(strip $(__clean-dirs)),)
|
|
+$(call cmd,cleandir)
|
|
endif
|
|
@:
|
|
|
|
|
|
# ===========================================================================
|
|
# Generic stuff
|
|
# ===========================================================================
|
|
|
|
# Descending
|
|
# ---------------------------------------------------------------------------
|
|
|
|
PHONY += $(subdir-ymn)
|
|
$(subdir-ymn):
|
|
$(Q)$(MAKE) $(clean)=$@
|
|
|
|
# Declare the contents of the .PHONY variable as phony. We keep that
|
|
# information in a variable se we can use it in if_changed and friends.
|
|
|
|
.PHONY: $(PHONY)
|