| # 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 |
| 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)) |
| |
| .PHONY: FORCE |
| FORCE: |
| |
| 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) |
| |
| 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-$2), \ |
| $$(CFLAGS) $$(CFLAGS_WARNS) \ |
| $$(comp-cflags$$(comp-sm-$2)) $$(cflags$$(comp-sm-$2)) \ |
| $$(cflags-lib$$(comp-lib-$2)) $$(cflags-$2)) |
| else ifeq ($$(filter %.S,$1),$1) |
| comp-q-$2 := AS |
| comp-flags-$2 = -DASM=1 $$(filter-out $$(AFLAGS_REMOVE) $$(aflags-remove) \ |
| $$(aflags-remove-$2), \ |
| $$(AFLAGS) $$(comp-aflags$$(comp-sm-$2)) \ |
| $$(aflags$$(comp-sm-$2)) $$(aflags-$2)) |
| else |
| $$(error "Don't know what to do with $1") |
| endif |
| |
| |
| comp-flags-$2 += -MD -MF $$(comp-dep-$2) -MT $$@ \ |
| $$(filter-out $$(CPPFLAGS_REMOVE) $$(cppflags-remove) \ |
| $$(cppflags-remove-$2), \ |
| $$(nostdinc) $$(CPPFLAGS) \ |
| $$(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-cmd-$2 = $$(CC) $$(comp-flags-$2) -c $$< -o $$@ |
| comp-objcpy-cmd-$2 = $$(OBJCOPY) \ |
| --rename-section .rodata=.rodata.$1 \ |
| --rename-section .rodata.str1.1=.rodata.str1.1.$1 \ |
| $2 |
| |
| -include $$(comp-cmd-file-$2) |
| -include $$(comp-dep-$2) |
| |
| |
| $2: $1 FORCE |
| # Check if any prerequisites are newer than the target and |
| # check if command line has changed |
| $$(if $$(strip $$(filter-out FORCE, $$?) \ |
| $$(filter-out $$(comp-cmd-$2), $$(old-cmd-$2)) \ |
| $$(filter-out $$(old-cmd-$2), $$(comp-cmd-$2))), \ |
| @set -e ;\ |
| mkdir -p $$(dir $2) ;\ |
| echo ' $$(comp-q-$2) $$@' ;\ |
| $(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))) |
| |
| $(objs): $(conf-file) |