scripts/Kbuild.include

Source file repositories/reference/linux-study-clean/scripts/Kbuild.include

File Facts

System
Linux kernel
Corpus path
scripts/Kbuild.include
Extension
.include
Size
10117 bytes
Lines
273
Domain
Support Tooling And Documentation
Bucket
scripts
Inferred role
Support Tooling And Documentation: scripts
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0
####
# kbuild: Generic definitions

# Convenient variables
comma   := ,
quote   := "
squote  := '
empty   :=
space   := $(empty) $(empty)
space_escape := _-_SPACE_-_
pound := \#
define newline


endef

###
# Comparison macros.
# Usage: $(call test-lt, $(CONFIG_LLD_VERSION), 150000)
#
# Use $(intcmp ...) if supported. (Make >= 4.4)
# Otherwise, fall back to the 'test' shell command.
ifeq ($(intcmp 1,0,,,y),y)
test-ge = $(intcmp $(strip $1)0, $(strip $2)0,,y,y)
test-gt = $(intcmp $(strip $1)0, $(strip $2)0,,,y)
else
test-ge = $(shell test $(strip $1)0 -ge $(strip $2)0 && echo y)
test-gt = $(shell test $(strip $1)0 -gt $(strip $2)0 && echo y)
endif
test-le = $(call test-ge, $2, $1)
test-lt = $(call test-gt, $2, $1)

###
# Name of target with a '.' as filename prefix. foo/bar.o => foo/.bar.o
dot-target = $(dir $@).$(notdir $@)

###
# Name of target with a '.tmp_' as filename prefix. foo/bar.o => foo/.tmp_bar.o
tmp-target = $(dir $@).tmp_$(notdir $@)

###
# The temporary file to save gcc -MMD generated dependencies must not
# contain a comma
depfile = $(subst $(comma),_,$(dot-target).d)

###
# filename of target with directory and extension stripped
basetarget = $(basename $(notdir $@))

###
# real prerequisites without phony targets
real-prereqs = $(filter-out $(PHONY), $^)

###
# Escape single quote for use in echo statements
escsq = $(subst $(squote),'\$(squote)',$1)

###
# Quote a string to pass it to C files. foo => '"foo"'
stringify = $(squote)$(quote)$1$(quote)$(squote)

###
# The path to Kbuild or Makefile. Kbuild has precedence over Makefile.
kbuild-file = $(or $(wildcard $(src)/Kbuild),$(src)/Makefile)

###
# Read a file, replacing newlines with spaces
#
# Make 4.2 or later can read a file by using its builtin function.

Annotation

Implementation Notes