mirror of https://gitee.com/openkylin/linux.git
54 lines
1.4 KiB
Makefile
54 lines
1.4 KiB
Makefile
include ../../scripts/Makefile.include
|
|
|
|
CC = $(CROSS_COMPILE)gcc
|
|
AR = $(CROSS_COMPILE)ar
|
|
|
|
# Makefiles suck: This macro sets a default value of $(2) for the
|
|
# variable named by $(1), unless the variable has been set by
|
|
# environment or command line. This is necessary for CC and AR
|
|
# because make sets default values, so the simpler ?= approach
|
|
# won't work as expected.
|
|
define allow-override
|
|
$(if $(or $(findstring environment,$(origin $(1))),\
|
|
$(findstring command line,$(origin $(1)))),,\
|
|
$(eval $(1) = $(2)))
|
|
endef
|
|
|
|
# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
|
|
$(call allow-override,CC,$(CROSS_COMPILE)gcc)
|
|
$(call allow-override,AR,$(CROSS_COMPILE)ar)
|
|
|
|
# guard against environment variables
|
|
LIB_H=
|
|
LIB_OBJS=
|
|
|
|
LIB_H += debugfs.h
|
|
|
|
LIB_OBJS += $(OUTPUT)debugfs.o
|
|
|
|
LIBFILE = liblk.a
|
|
|
|
CFLAGS = -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) -fPIC
|
|
EXTLIBS = -lelf -lpthread -lrt -lm
|
|
ALL_CFLAGS = $(CFLAGS) $(BASIC_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
|
|
ALL_LDFLAGS = $(LDFLAGS)
|
|
|
|
RM = rm -f
|
|
|
|
$(LIBFILE): $(LIB_OBJS)
|
|
$(QUIET_AR)$(RM) $@ && $(AR) rcs $(OUTPUT)$@ $(LIB_OBJS)
|
|
|
|
$(LIB_OBJS): $(LIB_H)
|
|
|
|
$(OUTPUT)%.o: %.c
|
|
$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $<
|
|
$(OUTPUT)%.s: %.c
|
|
$(QUIET_CC)$(CC) -S $(ALL_CFLAGS) $<
|
|
$(OUTPUT)%.o: %.S
|
|
$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $<
|
|
|
|
clean:
|
|
$(RM) $(LIB_OBJS) $(LIBFILE)
|
|
|
|
.PHONY: clean
|