# Input # # The output from mk/sub.mk # base-prefix # conf-file [optional] if set, all objects will depend on $(conf-file) # # Output # # set objs # update cleanfiles # # Generates explicit rules for all objs objs := # Disable all builtin rules .SUFFIXES: comp-cflags$(sm) = -std=gnu99 comp-aflags$(sm) = comp-cppflags$(sm) = ifndef NOWERROR comp-cflags$(sm) += -Werror endif comp-cflags$(sm) += -fdiagnostics-show-option comp-cflags-warns-high = \ -Wall -Wcast-align \ -Werror-implicit-function-declaration -Wextra -Wfloat-equal \ -Wformat-nonliteral -Wformat-security -Wformat=2 -Winit-self \ -Wmissing-declarations -Wmissing-format-attribute \ -Wmissing-include-dirs -Wmissing-noreturn \ -Wmissing-prototypes -Wnested-externs -Wpointer-arith \ -Wshadow -Wstrict-prototypes -Wswitch-default \ -Wwrite-strings \ -Wno-missing-field-initializers -Wno-format-zero-length \ -Wno-language-extension-token -Wno-gnu-zero-variadic-macro-arguments -Wno-missing-noreturn -Wno-tautological-compare comp-cflags-warns-medium = \ -Waggregate-return -Wredundant-decls comp-cflags-warns-low = \ -Wold-style-definition -Wstrict-aliasing=2 \ -Wundef -pedantic \ -Wdeclaration-after-statement comp-cflags-warns-1:= $(comp-cflags-warns-high) comp-cflags-warns-2:= $(comp-cflags-warns-1) $(comp-cflags-warns-medium) comp-cflags-warns-3:= $(comp-cflags-warns-2) $(comp-cflags-warns-low) WARNS ?= 3 comp-cflags$(sm) += $(comp-cflags-warns-$(WARNS)) CHECK ?= sparse .PHONY: FORCE .PHONY: FORCE-GENSRC FORCE: FORCE-GENSRC: define process_srcs objs += $2 comp-dep-$2 := $$(dir $2).$$(notdir $2).d comp-cmd-file-$2:= $$(dir $2).$$(notdir $2).cmd comp-sm-$2 := $(sm) comp-lib-$2 := $(libname)-$(sm) cleanfiles := $$(cleanfiles) $$(comp-dep-$2) $$(comp-cmd-file-$2) $2 ifeq ($$(filter %.c,$1),$1) comp-q-$2 := CC comp-flags-$2 = $$(filter-out $$(CFLAGS_REMOVE) $$(cflags-remove) \ $$(cflags-remove-$$(comp-sm-$2)) \ $$(cflags-remove-$2), \ $$(CFLAGS$$(arch-bits-$$(comp-sm-$2))) $$(CFLAGS_WARNS) \ $$(comp-cflags$$(comp-sm-$2)) $$(cflags$$(comp-sm-$2)) \ $$(cflags-lib$$(comp-lib-$2)) $$(cflags-$2)) ifeq ($C,1) check-cmd-$2 = $(CHECK) $$(comp-cppflags-$2) $$< echo-check-$2 := $(cmd-echo-silent) echo-check-cmd-$2 = $(cmd-echo) $$(subst \",\\\",$$(check-cmd-$2)) endif else ifeq ($$(filter %.S,$1),$1) comp-q-$2 := AS comp-flags-$2 = -DASM=1 $$(filter-out $$(AFLAGS_REMOVE) $$(aflags-remove) \ $$(aflags-remove-$$(comp-sm-$2)) \ $$(aflags-remove-$2), \ $$(AFLAGS) $$(comp-aflags$$(comp-sm-$2)) \ $$(aflags$$(comp-sm-$2)) $$(aflags-$2)) else $$(error "Don't know what to do with $1") endif comp-cppflags-$2 = $$(filter-out $$(CPPFLAGS_REMOVE) $$(cppflags-remove) \ $$(cppflags-remove-$$(comp-sm-$2)) \ $$(cppflags-remove-$2), \ $$(nostdinc$$(comp-sm-$2)) $$(CPPFLAGS) \ $$(addprefix -I,$$(incdirs$$(comp-sm-$2))) \ $$(addprefix -I,$$(incdirs-lib$$(comp-lib-$2))) \ $$(addprefix -I,$$(incdirs-$2)) \ $$(cppflags$$(comp-sm-$2)) \ $$(cppflags-lib$$(comp-lib-$2)) $$(cppflags-$2)) comp-flags-$2 += -MD -MF $$(comp-dep-$2) -MT $$@ comp-flags-$2 += $$(comp-cppflags-$2) comp-cmd-$2 = $$(CC$(sm)) $$(comp-flags-$2) -c $$< -o $$@ comp-objcpy-cmd-$2 = $$(OBJCOPY$(sm)) \ --rename-section .rodata=.rodata.$1 \ --rename-section .rodata.str1.1=.rodata.str1.1.$1 \ $2 # Assign defaults if unassigned echo-check-$2 ?= true echo-check-cmd-$2 ?= true check-cmd-$2 ?= true -include $$(comp-cmd-file-$2) -include $$(comp-dep-$2) $2: $1 FORCE-GENSRC # Check if any prerequisites are newer than the target and # check if command line has changed $$(if $$(strip $$(filter-out FORCE-GENSRC, $$?) \ $$(filter-out $$(comp-cmd-$2), $$(old-cmd-$2)) \ $$(filter-out $$(old-cmd-$2), $$(comp-cmd-$2))), \ @set -e ;\ mkdir -p $$(dir $2) ;\ $$(echo-check-$2) ' CHECK $$<' ;\ $$(echo-check-cmd-$2) ;\ $$(check-cmd-$2) ;\ $(cmd-echo-silent) ' $$(comp-q-$2) $$@' ;\ $(cmd-echo) $$(subst \",\\\",$$(comp-cmd-$2)) ;\ $$(comp-cmd-$2) ;\ $(cmd-echo) $$(comp-objcpy-cmd-$2) ;\ $$(comp-objcpy-cmd-$2) ;\ echo "old-cmd-$2 := $$(subst \",\\\",$$(comp-cmd-$2))" > \ $$(comp-cmd-file-$2) ;\ ) endef $(foreach f, $(srcs), $(eval $(call \ process_srcs,$(f),$(out-dir)/$(base-prefix)$$(basename $f).o))) # Handle generated source files, that is, files that are compiled from out-dir $(foreach f, $(gen-srcs), $(eval $(call process_srcs,$(f),$$(basename $f).o))) $(objs): $(conf-file) define _gen-asm-defines-file # c-filename in $1 # h-filename in $2 # s-filename in $3 FORCE-GENSRC: $(2) comp-dep-$3 := $$(dir $3)$$(notdir $3).d comp-cmd-file-$3:= $$(dir $3)$$(notdir $3).cmd comp-sm-$3 := $(sm) cleanfiles := $$(cleanfiles) $$(comp-dep-$3) $$(comp-cmd-file-$3) $3 $2 comp-flags-$3 = $$(filter-out $$(CFLAGS_REMOVE) $$(cflags-remove) \ $$(cflags-remove-$$(comp-sm-$3)) \ $$(cflags-remove-$3), \ $$(CFLAGS) $$(CFLAGS_WARNS) \ $$(comp-cflags$$(comp-sm-$3)) $$(cflags$$(comp-sm-$3)) \ $$(cflags-lib$$(comp-lib-$3)) $$(cflags-$3)) comp-cppflags-$3 = $$(filter-out $$(CPPFLAGS_REMOVE) $$(cppflags-remove) \ $$(cppflags-remove-$$(comp-sm-$3)) \ $$(cppflags-remove-$3), \ $$(nostdinc$$(comp-sm-$3)) $$(CPPFLAGS) \ $$(addprefix -I,$$(incdirs$$(comp-sm-$3))) \ $$(addprefix -I,$$(incdirs-lib$$(comp-lib-$3))) \ $$(addprefix -I,$$(incdirs-$3)) \ $$(cppflags$$(comp-sm-$3)) \ $$(cppflags-lib$$(comp-lib-$3)) $$(cppflags-$3)) comp-flags-$3 += -MD -MF $$(comp-dep-$3) -MT $$@ comp-flags-$3 += $$(comp-cppflags-$3) comp-cmd-$3 = $$(CC$(sm)) $$(comp-flags-$3) -fverbose-asm -S $$< -o $$@ -include $$(comp-cmd-file-$3) -include $$(comp-dep-$3) $3: $1 $(conf-file) FORCE # Check if any prerequisites are newer than the target and # check if command line has changed $$(if $$(strip $$(filter-out FORCE, $$?) \ $$(filter-out $$(comp-cmd-$3), $$(old-cmd-$3)) \ $$(filter-out $$(old-cmd-$3), $$(comp-cmd-$3))), \ @set -e ;\ mkdir -p $$(dir $2) $$(dir $3) ;\ $(cmd-echo) $$(subst \",\\\",$$(comp-cmd-$3)) ;\ $$(comp-cmd-$3) ;\ echo "old-cmd-$3 := $$(subst \",\\\",$$(comp-cmd-$3))" > \ $$(comp-cmd-file-$3) ;\ ) guard-$2 := $$(subst -,_,$$(subst .,_,$$(subst /,_,$2))) $(2): $(3) $(q)set -e; \ $(cmd-echo-silent) ' CHK $$@'; \ mkdir -p $$(dir $$@); \ echo "#ifndef $$(guard-$2)" >$$@.tmp; \ echo "#define $$(guard-$2)" >>$$@.tmp; \ sed -ne 's|^==>\([^ ]*\) [\$$$$#]*\([-0-9]*\) \([^@/]*\).*|#define \1\t\2\t/* \3*/|p' \ < $$< >>$$@.tmp; \ echo "#endif" >>$$@.tmp; \ $$(call mv-if-changed,$$@.tmp,$$@) endef define gen-asm-defines-file $(call _gen-asm-defines-file,$1,$2,$(dir $2).$(notdir $(2:.h=.s))) endef ifneq ($(asm-defines-file),) h-file-$(asm-defines-file) := $(out-dir)/$(sm)/include/generated/$(basename $(notdir $(asm-defines-file))).h $(eval $(call gen-asm-defines-file,$(asm-defines-file),$(h-file-$(asm-defines-file)))) asm-defines-file := endif