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

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

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

libc_arch_files = $(subst $(SOURCE_DIR)/,./, \ $(subst $(PROJECT_DIR)/,./, \ $(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 = $(subst $(SOURCE_DIR)/,./, \ $(subst $(PROJECT_DIR)/,./, \ $(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_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)/