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