Lines Matching +full:wp +full:- +full:content
10 space_escape := _-_SPACE_-_
15 dot-target = $(dir $@).$(notdir $@)
18 # The temporary file to save gcc -MD generated dependencies must not
20 depfile = $(subst $(comma),_,$(dot-target).d)
42 # filechk is used to check if the content of a generated file is updated.
49 # The rule defined shall write to stdout the content of the new file.
51 # - If no file exist it is created
52 # - If the content differ the new file is used
53 # - If they are equal no change, and no timestamp update
54 # - stdin is piped in from the first prerequisite ($<) so one has
57 $(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; \
86 # try-run
87 # Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
90 try-run = $(shell set -e; \
93 mkdir -p $(TMPOUT); \
94 trap "rm -rf $(TMPOUT)" EXIT; \
100 # as-option
101 # Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,)
103 as-option = $(call try-run,\
104 $(CC) $(KBUILD_CFLAGS) $(1) -c -x assembler /dev/null -o "$$TMP",$(1),$(2))
106 # as-instr
107 # Usage: cflags-y += $(call as-instr,instr,option1,option2)
109 as-instr = $(call try-run,\
110 printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" -,$(2),$(3))
112 # __cc-option
113 # Usage: MY_CFLAGS += $(call __cc-option,$(CC),$(MY_CFLAGS),-march=winchip-c6,-march=i586)
114 __cc-option = $(call try-run,\
115 $(1) -Werror $(2) $(3) -c -x c /dev/null -o "$$TMP",$(3),$(4))
117 # Do not attempt to build with gcc plugins during cc-option tests.
119 CC_OPTION_CFLAGS = $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS))
121 # cc-option
122 # Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
124 cc-option = $(call __cc-option, $(CC),\
127 # hostcc-option
128 # Usage: cflags-y += $(call hostcc-option,-march=winchip-c6,-march=i586)
129 hostcc-option = $(call __cc-option, $(HOSTCC),\
132 # cc-option-yn
133 # Usage: flag := $(call cc-option-yn,-march=winchip-c6)
134 cc-option-yn = $(call try-run,\
135 $(CC) -Werror $(KBUILD_CPPFLAGS) $(CC_OPTION_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n)
137 # cc-disable-warning
138 # Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable)
139 cc-disable-warning = $(call try-run,\
140 …$(CC) -Werror $(KBUILD_CPPFLAGS) $(CC_OPTION_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",…
142 # cc-name
144 cc-name = $(shell $(CC) -v 2>&1 | grep -q "clang version" && echo clang || echo gcc)
146 # cc-version
147 cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC))
149 # cc-fullversion
150 cc-fullversion = $(shell $(CONFIG_SHELL) \
151 $(srctree)/scripts/gcc-version.sh -p $(CC))
153 # cc-ifversion
154 # Usage: EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1)
155 cc-ifversion = $(shell [ $(cc-version) $(1) $(2) ] && echo $(3) || echo $(4))
157 # cc-ldoption
158 # Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both)
159 cc-ldoption = $(call try-run,\
160 $(CC) $(1) $(KBUILD_CPPFLAGS) $(CC_OPTION_CFLAGS) -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2))
162 # ld-option
163 # Usage: KBUILD_LDFLAGS += $(call ld-option, -X, -Y)
164 ld-option = $(call try-run, $(LD) $(KBUILD_LDFLAGS) $(1) -v,$(1),$(2),$(3))
166 # ar-option
167 # Usage: KBUILD_ARFLAGS := $(call ar-option,D)
169 ar-option = $(call try-run, $(AR) rc$(1) "$$TMP",$(1),$(2))
171 # ld-version
173 ld-version = $(shell $(LD) --version | $(srctree)/scripts/ld-version.sh)
175 # ld-ifversion
176 # Usage: $(call ld-ifversion, -ge, 22252, y)
177 ld-ifversion = $(shell [ $(ld-version) $(1) $(2) ] && echo $(3) || echo $(4))
182 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
185 build := -f $(srctree)/scripts/Makefile.build obj
188 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.modbuiltin obj=
191 modbuiltin := -f $(srctree)/scripts/Makefile.modbuiltin obj
194 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.dtbinst obj=
197 dtbinst := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.dtbinst obj
200 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=
203 clean := -f $(srctree)/scripts/Makefile.clean obj
206 # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.headersinst obj=
208 # $(Q)$(MAKE) $(hdr-inst)=dir
209 hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj
211 # Prefix -I with $(srctree) if it is not an absolute path.
212 # skip if -I has no parameter
213 addtree = $(if $(patsubst -I%,%,$(1)), \
214 $(if $(filter-out -I/% -I./% -I../%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1)),$(1)),$(1))
216 # Find all -I options and call addtree
217 flags = $(foreach o,$($(1)),$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o)))
221 echo-cmd = $(if $($(quiet)cmd_$(1)),\
222 echo ' $(call escsq,$($(quiet)cmd_$(1)))$(echo-why)';)
225 cmd = @$(echo-cmd) $(cmd_$(1))
231 # if_changed - execute command if any prerequisite is newer than
233 # if_changed_dep - as if_changed, but uses fixdep to reveal dependencies
235 # if_changed_rule - as if_changed but execute rule instead
241 arg-check = $(filter-out $(subst $(space),$(space_escape),$(strip $(cmd_$@))), \
244 arg-check = $(if $(strip $(cmd_$@)),,1)
253 make-cmd = $(call escsq,$(subst $(pound),$$(pound),$(subst $$,$$$$,$(cmd_$(1)))))
257 any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^)
260 if_changed = $(if $(strip $(any-prereq) $(arg-check)), \
261 @set -e; \
262 $(echo-cmd) $(cmd_$(1)); \
263 printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd, @:)
266 if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ), \
267 @set -e; \
273 $(echo-cmd) $(cmd_$(1)); \
274 scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).tmp;\
275 rm -f $(depfile); \
276 mv -f $(dot-target).tmp $(dot-target).cmd;
284 flags_nodeps = $(filter-out -Wp$(comma)-M%, $($(1)))
288 $(CPP) $(call flags_nodeps,c_flags) -D__KSYM_DEPS__ $< ;; \
290 $(CPP) $(call flags_nodeps,a_flags) -D__KSYM_DEPS__ $< ;; \
293 esac | tr ";" "\n" | sed -n 's/^.*=== __KSYM_\(.*\) ===.*$$/_\1/p'
296 $(echo-cmd) $(cmd_$(1)); \
298 scripts/basic/fixdep -e $(depfile) $@ '$(make-cmd)' \
299 > $(dot-target).tmp; \
300 rm -f $(depfile); \
301 mv -f $(dot-target).tmp $(dot-target).cmd;
308 if_changed_rule = $(if $(strip $(any-prereq) $(arg-check) ), \
309 @set -e; \
313 # why - tell why a target got built
316 # (1) - due to target is PHONY
317 # (2) - due to target missing
318 # (3) - due to: file1.h file2.h
319 # (4) - due to command line change
320 # (5) - due to missing .cmd file
321 # (6) - due to target not in $(targets)
333 $(if $(filter $@, $(PHONY)),- due to target is PHONY, \
335 $(if $(strip $(any-prereq)),- due to: $(any-prereq), \
336 $(if $(arg-check), \
337 $(if $(cmd_$@),- due to command line change, \
339 - due to missing .cmd file, \
340 - due to $(notdir $@) not in $$(targets) \
345 - due to target missing \
349 echo-why = $(call escsq, $(strip $(why)))
355 # passing to shell commands. It is surrounded by double-quotes, and
356 # any double-quotes or backslashes within it are escaped by