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libc_src_dirs = $(SOURCE_DIR)/src/*/ libc_src_dirs += $(SOURCE_DIR)/crt/ libc_src_dirs += $(SOURCE_DIR)/ldso/ libc_src_dirs += $(SOURCE_DIR)/$(MALLOC_SUBDIR)/

ifeq ($(PORT_DIR),$(PROJECT_DIR)) libc_src_dirs += $(PROJECT_DIR)/src/*/ libc_src_dirs += $(PROJECT_DIR)/crt/ libc_src_dirs += $(PROJECT_DIR)/ldso/ endif

libc_src_files = $(wildcard $(addsuffix *.c,$(libc_src_dirs))) libc_src_sorted = $(sort $(libc_src_files))

libc_src_merged = $(subst $(SOURCE_DIR)/,./, \ $(subst $(PROJECT_DIR)/,./, \ $(libc_src_sorted)))

libc_arch_dirs = $(sort $(wildcard $(addsuffix $(ARCH)/, $(libc_src_dirs))))

libc_arch_files_c = $(subst $(PORT_DIR)/,./,$(wildcard $(addsuffix .c,$(libc_arch_dirs)))) libc_arch_files_s = $(subst $(PORT_DIR)/,./,$(wildcard $(addsuffix .s,$(libc_arch_dirs)))) libc_arch_files_S = $(subst $(PORT_DIR)/,./,$(wildcard $(addsuffix *.S,$(libc_arch_dirs))))

libc_arch_files = $(libc_arch_files_c) \ $(libc_arch_files_s) \ $(libc_arch_files_S)

libc_arch_substs_c = $(subst /$(ARCH)/,/,$(libc_arch_files_c)) libc_arch_substs_s = $(subst /$(ARCH)/,/,$(libc_arch_files_s)) libc_arch_substs_S = $(subst /$(ARCH)/,/,$(libc_arch_files_S))

libc_arch_substs = $(libc_arch_substs_c) \ $(libc_arch_substs_s:%.s=%.c) \ $(libc_arch_substs_S:%.S=%.c)

libc_pure_files = $(filter-out $(libc_arch_substs), $(libc_src_merged)) libc_all_files = $(libc_pure_files) $(libc_arch_files)

libc_crt_files_c = $(filter ./crt/%.c, $(libc_all_files)) libc_crt_files_s = $(filter ./crt/%.s, $(libc_all_files)) libc_crt_files_S = $(filter ./crt/%.S, $(libc_all_files)) libc_crt_files = $(filter ./crt/%, $(libc_all_files))

libc_ldso_files = $(filter ./ldso/%, $(libc_all_files)) libc_ldso_files += $(filter ./src/ldso/%, $(libc_all_files))

libc_ldso_files_c = $(filter %.c, $(libc_ldso_files)) libc_ldso_files_s = $(filter %.s, $(libc_ldso_files)) libc_ldso_files_S = $(filter %.S, $(libc_ldso_files))

libc_excl_files = $(libc_crt_files) $(libc_ldso_files) $(LIBC_EXCL_FILES) libc_core_files = $(filter-out $(libc_excl_files), $(libc_all_files))

libc_core_files_c = $(filter %.c, $(libc_core_files)) libc_core_files_s = $(filter %.s, $(libc_core_files)) libc_core_files_S = $(filter %.S, $(libc_core_files))

libc_tree_dirs = $(subst $(SOURCE_DIR)/,./, \ $(subst $(PORT_DIR)/,./, \ $(wildcard $(SOURCE_DIR)/src//) \ $(wildcard $(PORT_DIR)/src//) \ $(wildcard $(SOURCE_DIR)/src//$(ARCH)/) \ $(wildcard $(PORT_DIR)/src//$(ARCH)/)))

libc_tree_dirs += ./crt/ ./crt/$(ARCH)/ libc_tree_dirs += ./ldso/ ./ldso/$(ARCH)/ libc_tree_dirs += $(MALLOC_SUBDIR)

depend on all headers

HEADER_DEPS = $(TARGET_SYS_HEADERS) $(src_bits_h) $(src_c_headers) ALL_HEADERS += $(HEADER_DEPS)

core objects

STATIC_OBJS += $(libc_core_files_c:%.c=%.o) STATIC_OBJS += $(libc_core_files_s:%.s=%.o) STATIC_OBJS += $(libc_core_files_S:%.S=%.o)

SHARED_OBJS += $(libc_core_files_c:%.c=%.lo) SHARED_OBJS += $(libc_core_files_s:%.s=%.lo) SHARED_OBJS += $(libc_core_files_S:%.S=%.lo)

$(STATIC_OBJS): headers.tag host.tag tree.tag $(SHARED_OBJS): headers.tag host.tag tree.tag

$(SHARED_OBJS): CFLAGS_SHARED += $(LIBC_CFLAGS_SHARED) -DSHARED= $(STATIC_OBJS): CFLAGS_STATIC += $(LIBC_CFLAGS_STATIC)

src/%.o:$(PORT_DIR)/src/%.c $(HEADER_DEPS) $(CC) -c -o $@ $< $(CFLAGS_STATIC)

src/%.o:$(PORT_DIR)/src/%.s $(AS) -o $@ $< $(CFLAGS_ASM)

src/%.o:$(PORT_DIR)/src/%.S $(HEADER_DEPS) $(CC) -c -o $@ $< $(CFLAGS_STATIC)

src/%.lo:$(PORT_DIR)/src/%.c $(HEADER_DEPS) $(CC) -c -o $@ $< $(CFLAGS_SHARED)

src/%.lo:$(PORT_DIR)/src/%.s $(AS) -o $@ $< $(CFLAGS_ASM)

src/%.lo:$(PORT_DIR)/src/%.S $(HEADER_DEPS) $(CC) -c -o $@ $< $(CFLAGS_SHARED)

crt objects

CRT_OBJS += $(libc_crt_files_c:%.c=%.o) CRT_OBJS += $(libc_crt_files_s:%.s=%.o) CRT_OBJS += $(libc_crt_files_S:%.S=%.o)

$(CRT_OBJS): headers.tag host.tag tree.tag $(CRT_OBJS): CFLAGS_CONFIG += -DCRT

./crt/Scrt1.o: CFLAGS_CONFIG += -fPIC ./crt/rcrt1.o: CFLAGS_CONFIG += -fPIC

crt/%.o:$(PORT_DIR)/crt/%.c $(HEADER_DEPS) $(CC) -c -o $@ $< $(CFLAGS_STATIC)

crt/%.o:$(PORT_DIR)/crt/%.s $(AS) -o $@ $< $(CFLAGS_ASM)

crt/%.o:$(PORT_DIR)/crt/%.S $(HEADER_DEPS) $(CC) -c -o $@ $< $(CFLAGS_STATIC)

crt/%.o:$(SOURCE_DIR)/crt/%.c $(HEADER_DEPS) $(CC) -c -o $@ $< $(CFLAGS_STATIC)

crt-objs: $(CRT_OBJS) shared-lib:$(CRT_OBJS) static-lib:$(CRT_OBJS)

clean-crt-objs: rm -f $(CRT_OBJS)

clean: clean-crt-objs

.PHONY: crt-objs clean-crt-objs

ldso objects

LDSO_OBJS += $(libc_ldso_files_c:%.c=%.lo) LDSO_OBJS += $(libc_ldso_files_s:%.s=%.lo) LDSO_OBJS += $(libc_ldso_files_S:%.S=%.lo)

$(LDSO_OBJS): headers.tag host.tag tree.tag

$(LDSO_OBJS): CFLAGS_SHARED += -DSHARED=

ldso/%.lo:$(PORT_DIR)/ldso/%.c $(HEADER_DEPS) $(CC) -c -o $@ $< $(CFLAGS_SHARED)

ldso/%.lo:$(PORT_DIR)/ldso/%.s $(AS) -o $@ $< $(CFLAGS_ASM)

ldso/%.lo:$(PORT_DIR)/ldso/%.S $(HEADER_DEPS) $(CC) -c -o $@ $< $(CFLAGS_SHARED)

ldso/%.lo:$(SOURCE_DIR)/ldso/%.c $(HEADER_DEPS) $(CC) -c -o $@ $< $(CFLAGS_SHARED)

ldso-objs:$(LDSO_OBJS)

clean-ldso-objs: rm -f $(LDSO_OBJS)

clean: clean-ldso-objs

.PHONY: ldso-objs clean-ldso-objs