Lines Matching +full:- +full:- +full:disable +full:- +full:strip
14 dot-target = $(dir $@).$(notdir $@)
17 # The temporary file to save gcc -MD generated dependencies must not
19 depfile = $(subst $(comma),_,$(dot-target).d)
50 # - If no file exist it is created
51 # - If the content differ the new file is used
52 # - If they are equal no change, and no timestamp update
53 # - stdin is piped in from the first prerequisite ($<) so one has
56 $(Q)set -e; \
58 mkdir -p $(dir $@); \
60 if [ -r $@ ] && cmp -s $@ $@.tmp; then \
61 rm -f $@.tmp; \
64 mv -f $@.tmp $@; \
72 # cc-cross-prefix
73 # Usage: CROSS_COMPILE := $(call cc-cross-prefix, m68k-linux-gnu- m68k-linux-)
76 cc-cross-prefix = \
78 $(shell set -e; \
79 if (which $(strip $(c))$(CC)) > /dev/null 2>&1 ; then \
86 # try-run
87 # Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
90 # modifed for U-Boot: prevent cc-option from leaving .*.su files
91 try-run = $(shell set -e; \
99 rm -f "$$TMP" "$$TMPO" "$$TMPSU")
101 # as-option
102 # Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,)
104 as-option = $(call try-run,\
105 $(CC) $(KBUILD_CFLAGS) $(1) -c -x assembler /dev/null -o "$$TMP",$(1),$(2))
107 # as-instr
108 # Usage: cflags-y += $(call as-instr,instr,option1,option2)
110 as-instr = $(call try-run,\
111 printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" -,$(2),$(3))
113 # cc-option
114 # Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
116 cc-option = $(call try-run,\
117 $(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2))
119 # cc-option-yn
120 # Usage: flag := $(call cc-option-yn,-march=winchip-c6)
121 cc-option-yn = $(call try-run,\
122 $(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n)
124 # cc-option-align
125 # Prefix align with either -falign or -malign
126 cc-option-align = $(subst -functions=0,,\
127 $(call cc-option,-falign-functions=0,-malign-functions=0))
129 # cc-disable-warning
130 # Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable)
131 cc-disable-warning = $(call try-run,\
132 …$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(stri…
134 # cc-name
136 cc-name = $(shell $(CC) -v 2>&1 | grep -q "clang version" && echo clang || echo gcc)
138 # cc-version
139 cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC))
141 # cc-fullversion
142 cc-fullversion = $(shell $(CONFIG_SHELL) \
143 $(srctree)/scripts/gcc-version.sh -p $(CC))
145 # cc-ifversion
146 # Usage: EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1)
147 cc-ifversion = $(shell [ $(cc-version) $(1) $(2) ] && echo $(3) || echo $(4))
149 # added for U-Boot
150 binutils-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/binutils-version.sh $(AS))
151 dtc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/dtc-version.sh $(DTC))
153 # cc-ldoption
154 # Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both)
155 cc-ldoption = $(call try-run,\
156 $(CC) $(1) -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2))
158 # ld-option
159 # Usage: LDFLAGS += $(call ld-option, -X)
160 ld-option = $(call try-run,\
161 $(CC) -x c /dev/null -c -o "$$TMPO" ; $(LD) $(1) "$$TMPO" -o "$$TMP",$(1),$(2))
163 # ar-option
164 # Usage: KBUILD_ARFLAGS := $(call ar-option,D)
166 ar-option = $(call try-run, $(AR) rc$(1) "$$TMP",$(1),$(2))
168 # ld-version
170 ld-version = $(shell $(LD) --version | $(srctree)/scripts/ld-version.sh)
172 # ld-ifversion
173 # Usage: $(call ld-ifversion, -ge, 22252, y)
174 ld-ifversion = $(shell [ $(ld-version) $(1) $(2) ] && echo $(3) || echo $(4))
179 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
182 build := -f $(srctree)/scripts/Makefile.build obj
185 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.modbuiltin obj=
188 modbuiltin := -f $(srctree)/scripts/Makefile.modbuiltin obj
191 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.dtbinst obj=
194 dtbinst := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.dtbinst obj
197 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=
200 clean := -f $(srctree)/scripts/Makefile.clean obj
203 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.headersinst obj=
205 # $(Q)$(MAKE) $(hdr-inst)=dir
206 hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj
208 # Prefix -I with $(srctree) if it is not an absolute path.
209 # skip if -I has no parameter
210 addtree = $(if $(patsubst -I%,%,$(1)), \
211 $(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1))
213 # Find all -I options and call addtree
214 flags = $(foreach o,$($(1)),$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o)))
218 echo-cmd = $(if $($(quiet)cmd_$(1)),\
219 echo ' $(call escsq,$($(quiet)cmd_$(1)))$(echo-why)';)
222 cmd = @$(echo-cmd) $(cmd_$(1))
228 # if_changed - execute command if any prerequisite is newer than
230 # if_changed_dep - as if_changed, but uses fixdep to reveal dependencies
232 # if_changed_rule - as if_changed but execute rule instead
238 arg-check = $(strip $(filter-out $(cmd_$(1)), $(cmd_$@)) \
239 $(filter-out $(cmd_$@), $(cmd_$(1))) )
241 arg-check = $(if $(strip $(cmd_$@)),,1)
250 make-cmd = $(call escsq,$(subst $(pound),$$(pound),$(subst $$,$$$$,$(cmd_$(1)))))
254 any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^)
258 if_changed = $(if $(strip $(any-prereq) $(arg-check)), \
259 @set -e; \
260 $(echo-cmd) $(cmd_$(1)); \
261 printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd)
264 if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ), \
265 @set -e; \
266 $(echo-cmd) $(cmd_$(1)); \
267 scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).tmp;\
268 rm -f $(depfile); \
269 mv -f $(dot-target).tmp $(dot-target).cmd)
274 if_changed_rule = $(if $(strip $(any-prereq) $(arg-check) ), \
275 @set -e; \
279 # why - tell why a a target got build
282 # (1) - due to target is PHONY
283 # (2) - due to target missing
284 # (3) - due to: file1.h file2.h
285 # (4) - due to command line change
286 # (5) - due to missing .cmd file
287 # (6) - due to target not in $(targets)
299 $(if $(filter $@, $(PHONY)),- due to target is PHONY, \
301 $(if $(strip $(any-prereq)),- due to: $(any-prereq), \
302 $(if $(arg-check), \
303 $(if $(cmd_$@),- due to command line change, \
305 - due to missing .cmd file, \
306 - due to $(notdir $@) not in $$(targets) \
311 - due to target missing \
315 echo-why = $(call escsq, $(strip $(why)))