X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=scripts%2FKbuild.include;h=dfb67226b08dfad9af8d6186838865cf19a53d8c;hb=b5f4e9e384c36234a0e7f1c60957f369c4c05b5e;hp=d20f20ae32c9ce34405bc2a244461d972aef4df8;hpb=490fdad5862d919f26793a484e2be4530740407a;p=oweals%2Fu-boot.git diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index d20f20ae32..dfb67226b0 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -7,6 +7,8 @@ quote := " squote := ' empty := space := $(empty) $(empty) +space_escape := _-_SPACE_-_ +pound := \# ### # Name of target with a '.' as filename prefix. foo/bar.o => foo/.bar.o @@ -53,7 +55,6 @@ kecho := $($(quiet)kecho) # to specify a valid file as first prerequisite (often the kbuild file) define filechk $(Q)set -e; \ - $(kecho) ' CHK $@'; \ mkdir -p $(dir $@); \ $(filechk_$(1)) < $< > $@.tmp; \ if [ -r $@ ] && cmp -s $@ $@.tmp; then \ @@ -109,53 +110,57 @@ as-option = $(call try-run,\ as-instr = $(call try-run,\ printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" -,$(2),$(3)) +# __cc-option +# Usage: MY_CFLAGS += $(call __cc-option,$(CC),$(MY_CFLAGS),-march=winchip-c6,-march=i586) +__cc-option = $(call try-run,\ + $(1) -Werror $(2) $(3) -c -x c /dev/null -o "$$TMP",$(3),$(4)) + # cc-option # Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586) +cc-option = $(call __cc-option, $(CC),\ + $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS),$(1),$(2)) -cc-option = $(call try-run,\ - $(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2)) +# hostcc-option +# Usage: cflags-y += $(call hostcc-option,-march=winchip-c6,-march=i586) +hostcc-option = $(call __cc-option, $(HOSTCC),\ + $(HOSTCFLAGS) $(HOST_EXTRACFLAGS),$(1),$(2)) # cc-option-yn # Usage: flag := $(call cc-option-yn,-march=winchip-c6) cc-option-yn = $(call try-run,\ $(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n) -# cc-option-align -# Prefix align with either -falign or -malign -cc-option-align = $(subst -functions=0,,\ - $(call cc-option,-falign-functions=0,-malign-functions=0)) - # cc-disable-warning # Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable) cc-disable-warning = $(call try-run,\ - $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1))) + $(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1))) + +# cc-name +# Expands to either gcc or clang +cc-name = $(shell $(CC) -v 2>&1 | grep -q "clang version" && echo clang || echo gcc) # cc-version -# Usage gcc-ver := $(call cc-version) cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC)) # cc-fullversion -# Usage gcc-ver := $(call cc-fullversion) cc-fullversion = $(shell $(CONFIG_SHELL) \ $(srctree)/scripts/gcc-version.sh -p $(CC)) # cc-ifversion # Usage: EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1) -cc-ifversion = $(shell [ $(call cc-version, $(CC)) $(1) $(2) ] && echo $(3)) +cc-ifversion = $(shell [ $(cc-version) $(1) $(2) ] && echo $(3) || echo $(4)) # added for U-Boot binutils-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/binutils-version.sh $(AS)) -dtc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/dtc-version.sh $(DTC)) # cc-ldoption # Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both) cc-ldoption = $(call try-run,\ - $(CC) $(1) -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2)) + $(CC) $(1) $(KBUILD_CPPFLAGS) $(CC_OPTION_CFLAGS) -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2)) # ld-option -# Usage: LDFLAGS += $(call ld-option, -X) -ld-option = $(call try-run,\ - $(CC) -x c /dev/null -c -o "$$TMPO" ; $(LD) $(1) "$$TMPO" -o "$$TMP",$(1),$(2)) +# Usage: KBUILD_LDFLAGS += $(call ld-option, -X, -Y) +ld-option = $(call try-run, $(LD) $(KBUILD_LDFLAGS) $(1) -v,$(1),$(2),$(3)) # ar-option # Usage: KBUILD_ARFLAGS := $(call ar-option,D) @@ -163,13 +168,12 @@ ld-option = $(call try-run,\ ar-option = $(call try-run, $(AR) rc$(1) "$$TMP",$(1),$(2)) # ld-version -# Usage: $(call ld-version) # Note this is mainly for HJ Lu's 3 number binutil versions ld-version = $(shell $(LD) --version | $(srctree)/scripts/ld-version.sh) # ld-ifversion # Usage: $(call ld-ifversion, -ge, 22252, y) -ld-ifversion = $(shell [ $(call ld-version) $(1) $(2) ] && echo $(3)) +ld-ifversion = $(shell [ $(ld-version) $(1) $(2) ] && echo $(3) || echo $(4)) ###### @@ -185,10 +189,28 @@ build := -f $(srctree)/scripts/Makefile.build obj # $(Q)$(MAKE) $(modbuiltin)=dir modbuiltin := -f $(srctree)/scripts/Makefile.modbuiltin obj +### +# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.dtbinst obj= +# Usage: +# $(Q)$(MAKE) $(dtbinst)=dir +dtbinst := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.dtbinst obj + +### +# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj= +# Usage: +# $(Q)$(MAKE) $(clean)=dir +clean := -f $(srctree)/scripts/Makefile.clean obj + +### +# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.headersinst obj= +# Usage: +# $(Q)$(MAKE) $(hdr-inst)=dir +hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj + # Prefix -I with $(srctree) if it is not an absolute path. # skip if -I has no parameter addtree = $(if $(patsubst -I%,%,$(1)), \ -$(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1)) +$(if $(filter-out -I/% -I./% -I../%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1)),$(1)),$(1)) # Find all -I options and call addtree flags = $(foreach o,$($(1)),$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o))) @@ -213,21 +235,21 @@ objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o))) # See Documentation/kbuild/makefiles.txt for more info ifneq ($(KBUILD_NOCMDDEP),1) -# Check if both arguments has same arguments. Result is empty string if equal. -# User may override this check using make KBUILD_NOCMDDEP=1 -arg-check = $(strip $(filter-out $(cmd_$(1)), $(cmd_$@)) \ - $(filter-out $(cmd_$@), $(cmd_$(1))) ) +# Check if both arguments are the same including their order. Result is empty +# string if equal. User may override this check using make KBUILD_NOCMDDEP=1 +arg-check = $(filter-out $(subst $(space),$(space_escape),$(strip $(cmd_$@))), \ + $(subst $(space),$(space_escape),$(strip $(cmd_$1)))) else arg-check = $(if $(strip $(cmd_$@)),,1) endif # Replace >$< with >$$< to preserve $ when reloading the .cmd file # (needed for make) -# Replace >#< with >\#< to avoid starting a comment in the .cmd file +# Replace >#< with >$(pound)< to avoid starting a comment in the .cmd file # (needed for make) # Replace >'< with >'\''< to be able to enclose the whole string in '...' # (needed for the shell) -make-cmd = $(call escsq,$(subst \#,\\\#,$(subst $$,$$$$,$(cmd_$(1))))) +make-cmd = $(call escsq,$(subst $(pound),$$(pound),$(subst $$,$$$$,$(cmd_$(1))))) # Find any prerequisites that is newer than target or that does not exist. # PHONY targets skipped in both cases. @@ -238,7 +260,7 @@ any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^) if_changed = $(if $(strip $(any-prereq) $(arg-check)), \ @set -e; \ $(echo-cmd) $(cmd_$(1)); \ - printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd) + printf '%s\n' 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd, @:) # Execute the command and also postprocess generated .d dependencies file. if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ), \ @@ -246,14 +268,14 @@ if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ), \ $(echo-cmd) $(cmd_$(1)); \ scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).tmp;\ rm -f $(depfile); \ - mv -f $(dot-target).tmp $(dot-target).cmd) + mv -f $(dot-target).tmp $(dot-target).cmd, @:) # Usage: $(call if_changed_rule,foo) # Will check if $(cmd_foo) or any of the prerequisites changed, # and if so will execute $(rule_foo). if_changed_rule = $(if $(strip $(any-prereq) $(arg-check) ), \ @set -e; \ - $(rule_$(1))) + $(rule_$(1)), @:) ### # why - tell why a a target got build @@ -294,3 +316,21 @@ why = \ echo-why = $(call escsq, $(strip $(why))) endif + +# delete partially updated (i.e. corrupted) files on error +.DELETE_ON_ERROR: + +# do not delete intermediate files automatically +.SECONDARY: + +ifdef CONFIG_SPL_BUILD +SPL_ := SPL_ +ifeq ($(CONFIG_TPL_BUILD),y) +SPL_TPL_ := TPL_ +else +SPL_TPL_ := SPL_ +endif +else +SPL_ := +SPL_TPL_ := +endif