build/version.h

build/version.h:$(wildcard $(SOURCE_DIR)/VERSION $(SOURCE_DIR)/.git/index) dirs.tag printf '#define VERSION "%s"\n' \ "$$(cd $(SOURCE_DIR); $(SHELL) ./tools/version.sh)" > $@

alltypes.h, syscall.h

build/include/bits/: mkdir -p $@

ALLTYPES_H = build/include/bits/alltypes.h SYSCALL_H = build/include/bits/syscall.h

ARCH_GEN_H = $(ALLTYPES_H) $(SYSCALL_H)

ALLTYPES_DEPS = \ $(PORT_DIR)/arch/$(ARCH)/bits/alltypes.h.in \ $(SOURCE_DIR)/include/alltypes.h.in \ $(SOURCE_DIR)/tools/mkalltypes.sed \ | build/include/bits/

$(ALLTYPES_H): $(ALLTYPES_DEPS) sed -f $(SOURCE_DIR)/tools/mkalltypes.sed \ $(PORT_DIR)/arch/$(ARCH)/bits/alltypes.h.in \ $(SOURCE_DIR)/include/alltypes.h.in > $@

build/syscall_h.tag: touch $@ touch $(SYSCALL_H)

build/syscall-copy.tag: | build/include/bits/ build/syscall-copy.tag: $(PORT_DIR)/arch/$(ARCH)/bits/syscall.h cp $< $(SYSCALL_H) touch $@

build/syscall-gen.tag: | build/include/bits/ build/syscall-gen.tag: $(PORT_DIR)/arch/$(ARCH)/bits/syscall.h.in cp $< $(SYSCALL_H).tmp sed -n -e 's/__NR_/SYS_/p' < $< >> $(SYSCALL_H).tmp mv $(SYSCALL_H).tmp $(SYSCALL_H) touch $@

$(SYSCALL_H): build/syscall_h.tag

arch headers

libc_bits_h = $(sort $(wildcard $(SOURCE_DIR)/arch/generic/bits/.h)) port_bits_h = $(sort $(wildcard $(PORT_DIR)/arch/$(ARCH)/bits/.h)) port_substs_h = $(subst $(PORT_DIR)/arch/$(ARCH)/, \ $(SOURCE_DIR)/arch/generic/,\ $(port_bits_h))

ARCH_HEADERS = $(port_bits_h) $(filter-out $(port_substs_h), $(libc_bits_h))

src_bits_h = $(subst $(SOURCE_DIR)/arch/generic/,build/include/,\ $(subst $(PORT_DIR)/arch/$(ARCH)/,build/include/, \ $(ARCH_HEADERS)))

dst_bits_h = $(ARCH_GEN_H:build/include/%=$(DESTDIR)$(INCLUDEDIR)/%) dst_bits_h += $(src_bits_h:build/include/%=$(DESTDIR)$(INCLUDEDIR)/%)

libc headers

src_header_dirs = $(filter %/,$(wildcard $(SOURCE_DIR)/include/*/)) dst_header_dirs = $(src_header_dirs:$(SOURCE_DIR)/include/%=$(DESTDIR)$(INCLUDEDIR)/%)

src_c_headers = $(sort $(wildcard $(SOURCE_DIR)/include/.h)) src_c_headers += $(sort $(wildcard $(SOURCE_DIR)/include//*.h))

dst_c_headers = $(subst $(SOURCE_DIR)/include/, \ $(DESTDIR)$(INCLUDEDIR)/, \ $(src_c_headers))

$(dst_header_dirs): mkdir -p $@

$(src_bits_h): build/headers.tag

$(DESTDIR)$(INCLUDEDIR)/bits/: mkdir -p $@

$(DESTDIR)$(INCLUDEDIR)/bits/%.h: build/include/bits/%.h $(DESTDIR)$(INCLUDEDIR)/bits/ cp $< $@.tmp chmod 0644 $@.tmp mv $@.tmp $@

$(DESTDIR)$(INCLUDEDIR)/%.h: | $(dst_header_dirs) $(DESTDIR)$(INCLUDEDIR)/%.h: $(SOURCE_DIR)/include/%.h cp -p $< $@.tmp chmod 0644 $@.tmp mv $@.tmp $@

install-arch-headers: headers.tag $(ARCH_GEN_H) $(src_bits_h) $(dst_bits_h)

install-libc-headers: headers.tag $(dst_header_dirs) $(dst_c_headers)

install-headers: install-arch-headers install-libc-headers

build/include

build/headers.tag: | build/include/bits/ build/headers.tag: $(ARCH_HEADERS) cp $(ARCH_HEADERS) build/include/bits/ touch $@

headers.tag: build/headers.tag $(ARCH_GEN_H) touch $@

clean-headers: rm -f $(ARCH_GEN_H) rm -f $(src_bits_h) rm -f $(SYSCALL_H).tmp rm -f build/version.h rmdir build/include/bits 2>/dev/null || true rmdir build/include 2>/dev/null || true rm -f build/headers.tag rm -f build/syscall-copy.tag rm -f build/syscall-gen.tag rm -f build/syscall_h.tag rm -f headers.tag

clean: clean-headers

.PHONY: syscall-arch .PHONY: syscall-copy .PHONY: syscall-gen .PHONY: clean-headers