| # SPDX-License-Identifier: GPL-2.0 | |
| # Backward compatibility | |
| asflags-y += $(EXTRA_AFLAGS) | |
| ccflags-y += $(EXTRA_CFLAGS) | |
| cppflags-y += $(EXTRA_CPPFLAGS) | |
| ldflags-y += $(EXTRA_LDFLAGS) | |
| ifneq ($(always),) | |
| $(warning 'always' is deprecated. Please use 'always-y' instead) | |
| always-y += $(always) | |
| endif | |
| ifneq ($(hostprogs-y),) | |
| $(warning 'hostprogs-y' is deprecated. Please use 'hostprogs' instead) | |
| hostprogs += $(hostprogs-y) | |
| endif | |
| ifneq ($(hostprogs-m),) | |
| $(warning 'hostprogs-m' is deprecated. Please use 'hostprogs' instead) | |
| hostprogs += $(hostprogs-m) | |
| endif | |
| # flags that take effect in current and sub directories | |
| KBUILD_AFLAGS += $(subdir-asflags-y) | |
| KBUILD_CFLAGS += $(subdir-ccflags-y) | |
| # Figure out what we need to build from the various variables | |
| # =========================================================================== | |
| # When an object is listed to be built compiled-in and modular, | |
| # only build the compiled-in version | |
| obj-m := $(filter-out $(obj-y),$(obj-m)) | |
| # Libraries are always collected in one lib file. | |
| # Filter out objects already built-in | |
| lib-y := $(filter-out $(obj-y), $(sort $(lib-y) $(lib-m))) | |
| # Subdirectories we need to descend into | |
| subdir-ym := $(sort $(subdir-y) $(subdir-m) \ | |
| $(patsubst %/,%, $(filter %/, $(obj-y) $(obj-m)))) | |
| # Handle objects in subdirs: | |
| # - If we encounter foo/ in $(obj-y), replace it by foo/built-in.a and | |
| # foo/modules.order | |
| # - If we encounter foo/ in $(obj-m), replace it by foo/modules.order | |
| # | |
| # Generate modules.order to determine modorder. Unfortunately, we don't have | |
| # information about ordering between -y and -m subdirs. Just put -y's first. | |
| ifdef need-modorder | |
| obj-m := $(patsubst %/,%/modules.order, $(filter %/, $(obj-y)) $(obj-m)) | |
| else | |
| obj-m := $(filter-out %/, $(obj-m)) | |
| endif | |
| ifdef need-builtin | |
| obj-y := $(patsubst %/, %/built-in.a, $(obj-y)) | |
| else | |
| obj-y := $(filter-out %/, $(obj-y)) | |
| endif | |
| # If $(foo-objs), $(foo-y), $(foo-m), or $(foo-) exists, foo.o is a composite object | |
| multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))), $(m)))) | |
| multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))), $(m)))) | |
| multi-used := $(multi-used-y) $(multi-used-m) | |
| # Replace multi-part objects by their individual parts, | |
| # including built-in.a from subdirectories | |
| real-obj-y := $(foreach m, $(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) | |
| real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)),$(m))) | |
| always-y += $(always-m) | |
| # hostprogs-always-y += foo | |
| # ... is a shorthand for | |
| # hostprogs += foo | |
| # always-y += foo | |
| hostprogs += $(hostprogs-always-y) $(hostprogs-always-m) | |
| always-y += $(hostprogs-always-y) $(hostprogs-always-m) | |
| # userprogs-always-y is likewise. | |
| userprogs += $(userprogs-always-y) $(userprogs-always-m) | |
| always-y += $(userprogs-always-y) $(userprogs-always-m) | |
| # DTB | |
| # If CONFIG_OF_ALL_DTBS is enabled, all DT blobs are built | |
| extra-y += $(dtb-y) | |
| extra-$(CONFIG_OF_ALL_DTBS) += $(dtb-) | |
| ifneq ($(CHECK_DTBS),) | |
| extra-y += $(patsubst %.dtb,%.dt.yaml, $(dtb-y)) | |
| extra-$(CONFIG_OF_ALL_DTBS) += $(patsubst %.dtb,%.dt.yaml, $(dtb-)) | |
| endif | |
| # Add subdir path | |
| extra-y := $(addprefix $(obj)/,$(extra-y)) | |
| always-y := $(addprefix $(obj)/,$(always-y)) | |
| targets := $(addprefix $(obj)/,$(targets)) | |
| obj-m := $(addprefix $(obj)/,$(obj-m)) | |
| lib-y := $(addprefix $(obj)/,$(lib-y)) | |
| real-obj-y := $(addprefix $(obj)/,$(real-obj-y)) | |
| real-obj-m := $(addprefix $(obj)/,$(real-obj-m)) | |
| multi-used-m := $(addprefix $(obj)/,$(multi-used-m)) | |
| subdir-ym := $(addprefix $(obj)/,$(subdir-ym)) | |
| # Finds the multi-part object the current object will be linked into. | |
| # If the object belongs to two or more multi-part objects, list them all. | |
| modname-multi = $(sort $(foreach m,$(multi-used),\ | |
| $(if $(filter $*.o, $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m))),$(m:.o=)))) | |
| __modname = $(if $(modname-multi),$(modname-multi),$(basetarget)) | |
| modname = $(subst $(space),:,$(__modname)) | |
| modfile = $(addprefix $(obj)/,$(__modname)) | |
| # target with $(obj)/ and its suffix stripped | |
| target-stem = $(basename $(patsubst $(obj)/%,%,$@)) | |
| # These flags are needed for modversions and compiling, so we define them here | |
| # $(modname_flags) defines KBUILD_MODNAME as the name of the module it will | |
| # end up in (or would, if it gets compiled in) | |
| name-fix = $(call stringify,$(subst $(comma),_,$(subst -,_,$1))) | |
| basename_flags = -DKBUILD_BASENAME=$(call name-fix,$(basetarget)) | |
| modname_flags = -DKBUILD_MODNAME=$(call name-fix,$(modname)) | |
| modfile_flags = -DKBUILD_MODFILE=$(call stringify,$(modfile)) | |
| _c_flags = $(filter-out $(CFLAGS_REMOVE_$(target-stem).o), \ | |
| $(filter-out $(ccflags-remove-y), \ | |
| $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(ccflags-y)) \ | |
| $(CFLAGS_$(target-stem).o)) | |
| _a_flags = $(filter-out $(AFLAGS_REMOVE_$(target-stem).o), \ | |
| $(filter-out $(asflags-remove-y), \ | |
| $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(asflags-y)) \ | |
| $(AFLAGS_$(target-stem).o)) | |
| _cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(target-stem).lds) | |
| # | |
| # Enable gcov profiling flags for a file, directory or for all files depending | |
| # on variables GCOV_PROFILE_obj.o, GCOV_PROFILE and CONFIG_GCOV_PROFILE_ALL | |
| # (in this order) | |
| # | |
| ifeq ($(CONFIG_GCOV_KERNEL),y) | |
| _c_flags += $(if $(patsubst n%,, \ | |
| $(GCOV_PROFILE_$(basetarget).o)$(GCOV_PROFILE)$(CONFIG_GCOV_PROFILE_ALL)), \ | |
| $(CFLAGS_GCOV)) | |
| endif | |
| # | |
| # Enable address sanitizer flags for kernel except some files or directories | |
| # we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE) | |
| # | |
| ifeq ($(CONFIG_KASAN),y) | |
| ifneq ($(CONFIG_KASAN_HW_TAGS),y) | |
| _c_flags += $(if $(patsubst n%,, \ | |
| $(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \ | |
| $(CFLAGS_KASAN), $(CFLAGS_KASAN_NOSANITIZE)) | |
| endif | |
| endif | |
| ifeq ($(CONFIG_UBSAN),y) | |
| _c_flags += $(if $(patsubst n%,, \ | |
| $(UBSAN_SANITIZE_$(basetarget).o)$(UBSAN_SANITIZE)$(CONFIG_UBSAN_SANITIZE_ALL)), \ | |
| $(CFLAGS_UBSAN)) | |
| endif | |
| ifeq ($(CONFIG_KCOV),y) | |
| _c_flags += $(if $(patsubst n%,, \ | |
| $(KCOV_INSTRUMENT_$(basetarget).o)$(KCOV_INSTRUMENT)$(CONFIG_KCOV_INSTRUMENT_ALL)), \ | |
| $(CFLAGS_KCOV)) | |
| endif | |
| # | |
| # Enable KCSAN flags except some files or directories we don't want to check | |
| # (depends on variables KCSAN_SANITIZE_obj.o, KCSAN_SANITIZE) | |
| # | |
| ifeq ($(CONFIG_KCSAN),y) | |
| _c_flags += $(if $(patsubst n%,, \ | |
| $(KCSAN_SANITIZE_$(basetarget).o)$(KCSAN_SANITIZE)y), \ | |
| $(CFLAGS_KCSAN)) | |
| endif | |
| # $(srctree)/$(src) for including checkin headers from generated source files | |
| # $(objtree)/$(obj) for including generated headers from checkin source files | |
| ifeq ($(KBUILD_EXTMOD),) | |
| ifdef building_out_of_srctree | |
| _c_flags += -I $(srctree)/$(src) -I $(objtree)/$(obj) | |
| _a_flags += -I $(srctree)/$(src) -I $(objtree)/$(obj) | |
| _cpp_flags += -I $(srctree)/$(src) -I $(objtree)/$(obj) | |
| endif | |
| endif | |
| part-of-module = $(if $(filter $(basename $@).o, $(real-obj-m)),y) | |
| quiet_modtag = $(if $(part-of-module),[M], ) | |
| modkern_cflags = \ | |
| $(if $(part-of-module), \ | |
| $(KBUILD_CFLAGS_MODULE) $(CFLAGS_MODULE), \ | |
| $(KBUILD_CFLAGS_KERNEL) $(CFLAGS_KERNEL) $(modfile_flags)) | |
| modkern_aflags = $(if $(part-of-module), \ | |
| $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE), \ | |
| $(KBUILD_AFLAGS_KERNEL) $(AFLAGS_KERNEL)) | |
| c_flags = -Wp,-MMD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \ | |
| -include $(srctree)/include/linux/compiler_types.h \ | |
| $(_c_flags) $(modkern_cflags) \ | |
| $(basename_flags) $(modname_flags) | |
| a_flags = -Wp,-MMD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \ | |
| $(_a_flags) $(modkern_aflags) | |
| cpp_flags = -Wp,-MMD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \ | |
| $(_cpp_flags) | |
| ld_flags = $(KBUILD_LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F)) | |
| DTC_INCLUDE := $(srctree)/scripts/dtc/include-prefixes | |
| dtc_cpp_flags = -Wp,-MMD,$(depfile).pre.tmp -nostdinc \ | |
| $(addprefix -I,$(DTC_INCLUDE)) \ | |
| -undef -D__DTS__ | |
| # Useful for describing the dependency of composite objects | |
| # Usage: | |
| # $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add) | |
| define multi_depend | |
| $(foreach m, $(notdir $1), \ | |
| $(eval $(obj)/$m: \ | |
| $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s))))))) | |
| endef | |
| quiet_cmd_copy = COPY $@ | |
| cmd_copy = cp $< $@ | |
| # Shipped files | |
| # =========================================================================== | |
| quiet_cmd_shipped = SHIPPED $@ | |
| cmd_shipped = cat $< > $@ | |
| $(obj)/%: $(src)/%_shipped | |
| $(call cmd,shipped) | |
| # Commands useful for building a boot image | |
| # =========================================================================== | |
| # | |
| # Use as following: | |
| # | |
| # target: source(s) FORCE | |
| # $(if_changed,ld/objcopy/gzip) | |
| # | |
| # and add target to extra-y so that we know we have to | |
| # read in the saved command line | |
| # Linking | |
| # --------------------------------------------------------------------------- | |
| quiet_cmd_ld = LD $@ | |
| cmd_ld = $(LD) $(ld_flags) $(real-prereqs) -o $@ | |
| # Archive | |
| # --------------------------------------------------------------------------- | |
| quiet_cmd_ar = AR $@ | |
| cmd_ar = rm -f $@; $(AR) cDPrsT $@ $(real-prereqs) | |
| # Objcopy | |
| # --------------------------------------------------------------------------- | |
| quiet_cmd_objcopy = OBJCOPY $@ | |
| cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ | |
| # Gzip | |
| # --------------------------------------------------------------------------- | |
| quiet_cmd_gzip = GZIP $@ | |
| cmd_gzip = cat $(real-prereqs) | $(KGZIP) -n -f -9 > $@ | |
| # DTC | |
| # --------------------------------------------------------------------------- | |
| DTC ?= $(objtree)/scripts/dtc/dtc | |
| DTC_FLAGS += -Wno-interrupt_provider | |
| # Disable noisy checks by default | |
| ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),) | |
| DTC_FLAGS += -Wno-unit_address_vs_reg \ | |
| -Wno-unit_address_format \ | |
| -Wno-avoid_unnecessary_addr_size \ | |
| -Wno-alias_paths \ | |
| -Wno-graph_child_address \ | |
| -Wno-simple_bus_reg \ | |
| -Wno-unique_unit_address \ | |
| -Wno-pci_device_reg | |
| endif | |
| ifneq ($(findstring 2,$(KBUILD_EXTRA_WARN)),) | |
| DTC_FLAGS += -Wnode_name_chars_strict \ | |
| -Wproperty_name_chars_strict \ | |
| -Winterrupt_provider | |
| endif | |
| DTC_FLAGS += $(DTC_FLAGS_$(basetarget)) | |
| # Generate an assembly file to wrap the output of the device tree compiler | |
| quiet_cmd_dt_S_dtb= DTB $@ | |
| cmd_dt_S_dtb= \ | |
| { \ | |
| echo '\#include <asm-generic/vmlinux.lds.h>'; \ | |
| echo '.section .dtb.init.rodata,"a"'; \ | |
| echo '.balign STRUCT_ALIGNMENT'; \ | |
| echo '.global __dtb_$(subst -,_,$(*F))_begin'; \ | |
| echo '__dtb_$(subst -,_,$(*F))_begin:'; \ | |
| echo '.incbin "$<" '; \ | |
| echo '__dtb_$(subst -,_,$(*F))_end:'; \ | |
| echo '.global __dtb_$(subst -,_,$(*F))_end'; \ | |
| echo '.balign STRUCT_ALIGNMENT'; \ | |
| } > $@ | |
| $(obj)/%.dtb.S: $(obj)/%.dtb FORCE | |
| $(call if_changed,dt_S_dtb) | |
| quiet_cmd_dtc = DTC $@ | |
| cmd_dtc = $(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ | |
| $(DTC) -O $(patsubst .%,%,$(suffix $@)) -o $@ -b 0 \ | |
| $(addprefix -i,$(dir $<) $(DTC_INCLUDE)) $(DTC_FLAGS) \ | |
| -d $(depfile).dtc.tmp $(dtc-tmp) ; \ | |
| cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) | |
| $(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE | |
| $(call if_changed_dep,dtc) | |
| DT_CHECKER ?= dt-validate | |
| DT_BINDING_DIR := Documentation/devicetree/bindings | |
| # DT_TMP_SCHEMA may be overridden from Documentation/devicetree/bindings/Makefile | |
| DT_TMP_SCHEMA ?= $(objtree)/$(DT_BINDING_DIR)/processed-schema.json | |
| quiet_cmd_dtb_check = CHECK $@ | |
| cmd_dtb_check = $(DT_CHECKER) -u $(srctree)/$(DT_BINDING_DIR) -p $(DT_TMP_SCHEMA) $@ | |
| define rule_dtc | |
| $(call cmd_and_fixdep,dtc) | |
| $(call cmd,dtb_check) | |
| endef | |
| $(obj)/%.dt.yaml: $(src)/%.dts $(DTC) $(DT_TMP_SCHEMA) FORCE | |
| $(call if_changed_rule,dtc,yaml) | |
| dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) | |
| # Bzip2 | |
| # --------------------------------------------------------------------------- | |
| # Bzip2 and LZMA do not include size in file... so we have to fake that; | |
| # append the size as a 32-bit littleendian number as gzip does. | |
| size_append = printf $(shell \ | |
| dec_size=0; \ | |
| for F in $(real-prereqs); do \ | |
| fsize=$$($(CONFIG_SHELL) $(srctree)/scripts/file-size.sh $$F); \ | |
| dec_size=$$(expr $$dec_size + $$fsize); \ | |
| done; \ | |
| printf "%08x\n" $$dec_size | \ | |
| sed 's/\(..\)/\1 /g' | { \ | |
| read ch0 ch1 ch2 ch3; \ | |
| for ch in $$ch3 $$ch2 $$ch1 $$ch0; do \ | |
| printf '%s%03o' '\\' $$((0x$$ch)); \ | |
| done; \ | |
| } \ | |
| ) | |
| quiet_cmd_bzip2 = BZIP2 $@ | |
| cmd_bzip2 = { cat $(real-prereqs) | $(KBZIP2) -9; $(size_append); } > $@ | |
| # Lzma | |
| # --------------------------------------------------------------------------- | |
| quiet_cmd_lzma = LZMA $@ | |
| cmd_lzma = { cat $(real-prereqs) | $(LZMA) -9; $(size_append); } > $@ | |
| quiet_cmd_lzo = LZO $@ | |
| cmd_lzo = { cat $(real-prereqs) | $(KLZOP) -9; $(size_append); } > $@ | |
| quiet_cmd_lz4 = LZ4 $@ | |
| cmd_lz4 = { cat $(real-prereqs) | $(LZ4) -l -c1 stdin stdout; \ | |
| $(size_append); } > $@ | |
| # U-Boot mkimage | |
| # --------------------------------------------------------------------------- | |
| MKIMAGE := $(srctree)/scripts/mkuboot.sh | |
| # SRCARCH just happens to match slightly more than ARCH (on sparc), so reduces | |
| # the number of overrides in arch makefiles | |
| UIMAGE_ARCH ?= $(SRCARCH) | |
| UIMAGE_COMPRESSION ?= $(if $(2),$(2),none) | |
| UIMAGE_OPTS-y ?= | |
| UIMAGE_TYPE ?= kernel | |
| UIMAGE_LOADADDR ?= arch_must_set_this | |
| UIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR) | |
| UIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)' | |
| quiet_cmd_uimage = UIMAGE $@ | |
| cmd_uimage = $(BASH) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \ | |
| -C $(UIMAGE_COMPRESSION) $(UIMAGE_OPTS-y) \ | |
| -T $(UIMAGE_TYPE) \ | |
| -a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \ | |
| -n $(UIMAGE_NAME) -d $< $@ | |
| # XZ | |
| # --------------------------------------------------------------------------- | |
| # Use xzkern to compress the kernel image and xzmisc to compress other things. | |
| # | |
| # xzkern uses a big LZMA2 dictionary since it doesn't increase memory usage | |
| # of the kernel decompressor. A BCJ filter is used if it is available for | |
| # the target architecture. xzkern also appends uncompressed size of the data | |
| # using size_append. The .xz format has the size information available at | |
| # the end of the file too, but it's in more complex format and it's good to | |
| # avoid changing the part of the boot code that reads the uncompressed size. | |
| # Note that the bytes added by size_append will make the xz tool think that | |
| # the file is corrupt. This is expected. | |
| # | |
| # xzmisc doesn't use size_append, so it can be used to create normal .xz | |
| # files. xzmisc uses smaller LZMA2 dictionary than xzkern, because a very | |
| # big dictionary would increase the memory usage too much in the multi-call | |
| # decompression mode. A BCJ filter isn't used either. | |
| quiet_cmd_xzkern = XZKERN $@ | |
| cmd_xzkern = { cat $(real-prereqs) | sh $(srctree)/scripts/xz_wrap.sh; \ | |
| $(size_append); } > $@ | |
| quiet_cmd_xzmisc = XZMISC $@ | |
| cmd_xzmisc = cat $(real-prereqs) | $(XZ) --check=crc32 --lzma2=dict=1MiB > $@ | |
| # ZSTD | |
| # --------------------------------------------------------------------------- | |
| # Appends the uncompressed size of the data using size_append. The .zst | |
| # format has the size information available at the beginning of the file too, | |
| # but it's in a more complex format and it's good to avoid changing the part | |
| # of the boot code that reads the uncompressed size. | |
| # | |
| # Note that the bytes added by size_append will make the zstd tool think that | |
| # the file is corrupt. This is expected. | |
| # | |
| # zstd uses a maximum window size of 8 MB. zstd22 uses a maximum window size of | |
| # 128 MB. zstd22 is used for kernel compression because it is decompressed in a | |
| # single pass, so zstd doesn't need to allocate a window buffer. When streaming | |
| # decompression is used, like initramfs decompression, zstd22 should likely not | |
| # be used because it would require zstd to allocate a 128 MB buffer. | |
| quiet_cmd_zstd = ZSTD $@ | |
| cmd_zstd = { cat $(real-prereqs) | $(ZSTD) -19; $(size_append); } > $@ | |
| quiet_cmd_zstd22 = ZSTD22 $@ | |
| cmd_zstd22 = { cat $(real-prereqs) | $(ZSTD) -22 --ultra; $(size_append); } > $@ | |
| # ASM offsets | |
| # --------------------------------------------------------------------------- | |
| # Default sed regexp - multiline due to syntax constraints | |
| # | |
| # Use [:space:] because LLVM's integrated assembler inserts <tab> around | |
| # the .ascii directive whereas GCC keeps the <space> as-is. | |
| define sed-offsets | |
| 's:^[[:space:]]*\.ascii[[:space:]]*"\(.*\)".*:\1:; \ | |
| /^->/{s:->#\(.*\):/* \1 */:; \ | |
| s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \ | |
| s:->::; p;}' | |
| endef | |
| # Use filechk to avoid rebuilds when a header changes, but the resulting file | |
| # does not | |
| define filechk_offsets | |
| echo "#ifndef $2"; \ | |
| echo "#define $2"; \ | |
| echo "/*"; \ | |
| echo " * DO NOT MODIFY."; \ | |
| echo " *"; \ | |
| echo " * This file was generated by Kbuild"; \ | |
| echo " */"; \ | |
| echo ""; \ | |
| sed -ne $(sed-offsets) < $<; \ | |
| echo ""; \ | |
| echo "#endif" | |
| endef |