1# SPDX-License-Identifier: GPL-2.0 2include ../../scripts/Makefile.include 3include ../../scripts/utilities.mak # QUIET_CLEAN 4 5ifeq ($(srctree),) 6srctree := $(patsubst %/,%,$(dir $(CURDIR))) 7srctree := $(patsubst %/,%,$(dir $(srctree))) 8srctree := $(patsubst %/,%,$(dir $(srctree))) 9#$(info Determined 'srctree' to be $(srctree)) 10endif 11 12CC ?= $(CROSS_COMPILE)gcc 13LD ?= $(CROSS_COMPILE)ld 14AR ?= $(CROSS_COMPILE)ar 15 16RM = rm -f 17 18MAKEFLAGS += --no-print-directory 19 20LIBFILE = $(OUTPUT)libsubcmd.a 21 22CFLAGS := -ggdb3 -Wall -Wextra -std=gnu99 -fPIC 23 24ifeq ($(DEBUG),0) 25 ifeq ($(feature-fortify-source), 1) 26 CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 27 endif 28endif 29 30ifeq ($(CC_NO_CLANG), 0) 31 CFLAGS += -O3 32else 33 CFLAGS += -O6 34endif 35 36# Treat warnings as errors unless directed not to 37ifneq ($(WERROR),0) 38 CFLAGS += -Werror 39endif 40 41CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 42 43CFLAGS += -I$(srctree)/tools/include/ 44 45CFLAGS += $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) 46 47SUBCMD_IN := $(OUTPUT)libsubcmd-in.o 48 49all: 50 51export srctree OUTPUT CC LD CFLAGS V 52include $(srctree)/tools/build/Makefile.include 53 54all: fixdep $(LIBFILE) 55 56$(SUBCMD_IN): FORCE 57 @$(MAKE) $(build)=libsubcmd 58 59$(LIBFILE): $(SUBCMD_IN) 60 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(SUBCMD_IN) 61 62clean: 63 $(call QUIET_CLEAN, libsubcmd) $(RM) $(LIBFILE); \ 64 find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM) 65 66FORCE: 67 68.PHONY: clean FORCE 69