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