1# SPDX-License-Identifier: GPL-2.0 2include ../../../scripts/Makefile.include 3 4bindir ?= /usr/bin 5 6ifeq ($(srctree),) 7srctree := $(patsubst %/,%,$(dir $(CURDIR))) 8srctree := $(patsubst %/,%,$(dir $(srctree))) 9srctree := $(patsubst %/,%,$(dir $(srctree))) 10srctree := $(patsubst %/,%,$(dir $(srctree))) 11endif 12 13# Do not use make's built-in rules 14# (this improves performance and avoids hard-to-debug behaviour); 15MAKEFLAGS += -r 16 17override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include 18 19ALL_TARGETS := intel-speed-select 20ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS)) 21 22all: $(ALL_PROGRAMS) 23 24export srctree OUTPUT CC LD CFLAGS 25include $(srctree)/tools/build/Makefile.include 26 27# 28# We need the following to be outside of kernel tree 29# 30$(OUTPUT)include/linux/isst_if.h: ../../../../include/uapi/linux/isst_if.h 31 mkdir -p $(OUTPUT)include/linux 2>&1 || true 32 ln -sf $(CURDIR)/../../../../include/uapi/linux/isst_if.h $@ 33 34prepare: $(OUTPUT)include/linux/isst_if.h 35 36ISST_IN := $(OUTPUT)intel-speed-select-in.o 37 38$(ISST_IN): prepare FORCE 39 $(Q)$(MAKE) $(build)=intel-speed-select 40$(OUTPUT)intel-speed-select: $(ISST_IN) 41 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ 42 43clean: 44 rm -f $(ALL_PROGRAMS) 45 rm -rf $(OUTPUT)include/linux/isst_if.h 46 find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete 47 48install: $(ALL_PROGRAMS) 49 install -d -m 755 $(DESTDIR)$(bindir); \ 50 for program in $(ALL_PROGRAMS); do \ 51 install $$program $(DESTDIR)$(bindir); \ 52 done 53 54FORCE: 55 56.PHONY: all install clean FORCE prepare 57