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 ($(feature-fortify-source), 1) 26 CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 27 endif 28endif 29 30ifeq ($(DEBUG),1) 31 CFLAGS += -O0 32else ifeq ($(CC_NO_CLANG), 0) 33 CFLAGS += -O3 34else 35 CFLAGS += -O6 36endif 37 38# Treat warnings as errors unless directed not to 39ifneq ($(WERROR),0) 40 CFLAGS += -Werror 41endif 42 43CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE 44 45CFLAGS += -I$(srctree)/tools/include/ 46 47CFLAGS += $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) 48 49SUBCMD_IN := $(OUTPUT)libsubcmd-in.o 50 51all: 52 53export srctree OUTPUT CC LD CFLAGS V 54include $(srctree)/tools/build/Makefile.include 55 56all: fixdep $(LIBFILE) 57 58$(SUBCMD_IN): FORCE 59 @$(MAKE) $(build)=libsubcmd 60 61$(LIBFILE): $(SUBCMD_IN) 62 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(SUBCMD_IN) 63 64clean: 65 $(call QUIET_CLEAN, libsubcmd) $(RM) $(LIBFILE); \ 66 find $(or $(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM) 67 68FORCE: 69 70.PHONY: clean FORCE 71