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# 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 \
$(ALLTYPES_SED) \
$(SOURCE_DIR)/include/alltypes.h.in \
$(SOURCE_DIR)/tools/mkalltypes.sed \
| build/include/bits/
$(ALLTYPES_H): $(ALLTYPES_DEPS)
sed -f $(ALLTYPES_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: build/syscall_h.tag
build/headers.tag: $(ARCH_HEADERS)
cp $(ARCH_HEADERS) build/include/bits/
touch $@
headers.tag: build/headers.tag $(ARCH_GEN_H)
grep -v '^@@@' build/include/bits/ioctl.h \
> build/include/bits/ioctl.h.tmp
grep 'struct winsize' $(SOURCE_DIR)/include/sys/ioctl.h \
|| sed 's/^@@@//g' build/include/bits/ioctl.h \
> build/include/bits/ioctl.h.tmp
mv build/include/bits/ioctl.h.tmp build/include/bits/ioctl.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
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