Lines Matching +full:config +full:- +full:cond
1 # SPDX-License-Identifier: GPL-2.0
11 space_escape := _-_SPACE_-_
20 # Usage: $(call test-lt, $(CONFIG_LLD_VERSION), 150000)
25 test-ge = $(intcmp $(strip $1)0, $(strip $2)0,,y,y)
26 test-gt = $(intcmp $(strip $1)0, $(strip $2)0,,,y)
28 test-ge = $(shell test $(strip $1)0 -ge $(strip $2)0 && echo y)
29 test-gt = $(shell test $(strip $1)0 -gt $(strip $2)0 && echo y)
31 test-le = $(call test-ge, $2, $1)
32 test-lt = $(call test-gt, $2, $1)
36 dot-target = $(dir $@).$(notdir $@)
40 tmp-target = $(dir $@).tmp_$(notdir $@)
43 # The temporary file to save gcc -MMD generated dependencies must not
45 depfile = $(subst $(comma),_,$(dot-target).d)
53 real-prereqs = $(filter-out $(PHONY), $^)
65 kbuild-file = $(or $(wildcard $(src)/Kbuild),$(src)/Makefile)
71 ifneq ($(filter-out 4.0 4.1, $(MAKE_VERSION)),)
72 read-file = $(subst $(newline),$(space),$(file < $1))
74 read-file = $(shell cat $1 2>/dev/null)
94 # - If no file exist it is created
95 # - If the content differ the new file is used
96 # - If they are equal no change, and no timestamp update
98 $(check-FORCE)
99 $(Q)set -e; \
100 mkdir -p $(dir $@); \
101 trap "rm -f $(tmp-target)" EXIT; \
102 { $(filechk_$(1)); } > $(tmp-target); \
103 if [ ! -r $@ ] || ! cmp -s $@ $(tmp-target); then \
105 mv -f $(tmp-target) $@; \
110 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
113 build := -f $(srctree)/scripts/Makefile.build obj
116 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=
119 clean := -f $(srctree)/scripts/Makefile.clean obj
134 # the interrupted recipe. So, you can safely stop the build by Ctrl-C (Make
147 delete-on-interrupt = \
148 $(if $(filter-out $(PHONY), $@), \
150 trap 'rm -f $@; trap - $(sig); kill -s $(sig) $$$$' $(sig);))
153 cmd = @$(if $(cmd_$(1)),set -e; $($(quiet)log_print) $(delete-on-interrupt) $(cmd_$(1)),:)
156 # if_changed - execute command if any prerequisite is newer than
158 # if_changed_dep - as if_changed, but uses fixdep to reveal dependencies
159 # including used config symbols
160 # if_changed_rule - as if_changed but execute rule instead
167 # $(savedcmd_$@) gets empty. Then, target will be built even if $(newer-prereqs)
169 cmd-check = $(filter-out $(subst $(space),$(space_escape),$(strip $(savedcmd_$@))), \
173 cmd-check = $(if $(strip $(savedcmd_$@)),,1)
182 make-cmd = $(call escsq,$(subst $(pound),$$(pound),$(subst $$,$$$$,$(cmd_$(1)))))
186 # If there is no prerequisite other than phony targets, $(newer-prereqs) becomes
187 # empty even if the target does not exist. cmd-check saves this corner case.
188 newer-prereqs = $(filter-out $(PHONY),$?)
192 check-FORCE = $(if $(filter FORCE, $^),,$(warning FORCE prerequisite is missing))
194 if-changed-cond = $(newer-prereqs)$(cmd-check)$(check-FORCE)
197 if_changed = $(if $(if-changed-cond),$(cmd_and_savecmd),@:)
201 printf '%s\n' 'savedcmd_$@ := $(make-cmd)' > $(dot-target).cmd
204 if_changed_dep = $(if $(if-changed-cond),$(cmd_and_fixdep),@:)
208 scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).cmd;\
209 rm -f $(depfile)
214 if_changed_rule = $(if $(if-changed-cond),$(rule_$(1)),@:)
217 # why - tell why a target got built
220 # (1) - due to target is PHONY
221 # (2) - due to target missing
222 # (3) - due to: file1.h file2.h
223 # (4) - due to command line change
224 # (5) - due to missing .cmd file
225 # (6) - due to target not in $(targets)
237 $(if $(filter $@, $(PHONY)),- due to target is PHONY, \
239 $(if $(newer-prereqs),- due to: $(newer-prereqs), \
240 $(if $(cmd-check), \
241 $(if $(savedcmd_$@),- due to command line change, \
243 - due to missing .cmd file, \
244 - due to $(notdir $@) not in $$(targets) \
249 - due to target missing \
266 # Use .SECONDARY for older Make versions, but "newer-prereq" cannot detect
268 ifneq ($(and $(filter notintermediate, $(.FEATURES)),$(filter-out 4.4,$(MAKE_VERSION))),)