1 # SPDX-License-Identifier: GPL-2.0-only <<
2 include ../scripts/Makefile.include 1 include ../scripts/Makefile.include
3 2
4 bindir ?= /usr/bin 3 bindir ?= /usr/bin
5 4
6 ifeq ($(srctree),) 5 ifeq ($(srctree),)
7 srctree := $(patsubst %/,%,$(dir $(CURDIR))) 6 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
8 srctree := $(patsubst %/,%,$(dir $(srctree))) 7 srctree := $(patsubst %/,%,$(dir $(srctree)))
9 endif 8 endif
10 9
11 # Do not use make's built-in rules 10 # Do not use make's built-in rules
12 # (this improves performance and avoids hard-t 11 # (this improves performance and avoids hard-to-debug behaviour);
13 MAKEFLAGS += -r 12 MAKEFLAGS += -r
14 13
15 CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPU 14 CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
16 15
17 ALL_TARGETS := spidev_test spidev_fdx 16 ALL_TARGETS := spidev_test spidev_fdx
18 ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_ 17 ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
19 18
20 all: $(ALL_PROGRAMS) 19 all: $(ALL_PROGRAMS)
21 20
22 export srctree OUTPUT CC LD CFLAGS 21 export srctree OUTPUT CC LD CFLAGS
23 include $(srctree)/tools/build/Makefile.includ 22 include $(srctree)/tools/build/Makefile.include
24 23
25 # 24 #
26 # We need the following to be outside of kerne 25 # We need the following to be outside of kernel tree
27 # 26 #
28 $(OUTPUT)include/linux/spi: ../../include/uapi !! 27 $(OUTPUT)include/linux/spi/spidev.h: ../../include/uapi/linux/spi/spidev.h
29 mkdir -p $(OUTPUT)include/linux/spi 2> 28 mkdir -p $(OUTPUT)include/linux/spi 2>&1 || true
30 ln -sf $(CURDIR)/../../include/uapi/li 29 ln -sf $(CURDIR)/../../include/uapi/linux/spi/spidev.h $@
31 ln -sf $(CURDIR)/../../include/uapi/li <<
32 30
33 prepare: $(OUTPUT)include/linux/spi !! 31 prepare: $(OUTPUT)include/linux/spi/spidev.h
34 32
35 # 33 #
36 # spidev_test 34 # spidev_test
37 # 35 #
38 SPIDEV_TEST_IN := $(OUTPUT)spidev_test-in.o 36 SPIDEV_TEST_IN := $(OUTPUT)spidev_test-in.o
39 $(SPIDEV_TEST_IN): prepare FORCE 37 $(SPIDEV_TEST_IN): prepare FORCE
40 $(Q)$(MAKE) $(build)=spidev_test 38 $(Q)$(MAKE) $(build)=spidev_test
41 $(OUTPUT)spidev_test: $(SPIDEV_TEST_IN) 39 $(OUTPUT)spidev_test: $(SPIDEV_TEST_IN)
42 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS 40 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
43 41
44 # 42 #
45 # spidev_fdx 43 # spidev_fdx
46 # 44 #
47 SPIDEV_FDX_IN := $(OUTPUT)spidev_fdx-in.o 45 SPIDEV_FDX_IN := $(OUTPUT)spidev_fdx-in.o
48 $(SPIDEV_FDX_IN): prepare FORCE 46 $(SPIDEV_FDX_IN): prepare FORCE
49 $(Q)$(MAKE) $(build)=spidev_fdx 47 $(Q)$(MAKE) $(build)=spidev_fdx
50 $(OUTPUT)spidev_fdx: $(SPIDEV_FDX_IN) 48 $(OUTPUT)spidev_fdx: $(SPIDEV_FDX_IN)
51 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS 49 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
52 50
53 clean: 51 clean:
54 rm -f $(ALL_PROGRAMS) 52 rm -f $(ALL_PROGRAMS)
55 rm -rf $(OUTPUT)include/ !! 53 rm -f $(OUTPUT)include/linux/spi/spidev.h
56 find $(or $(OUTPUT),.) -name '*.o' -de !! 54 find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
57 find $(or $(OUTPUT),.) -name '\.*.o.d' <<
58 find $(or $(OUTPUT),.) -name '\.*.o.cm <<
59 55
60 install: $(ALL_PROGRAMS) 56 install: $(ALL_PROGRAMS)
61 install -d -m 755 $(DESTDIR)$(bindir); 57 install -d -m 755 $(DESTDIR)$(bindir); \
62 for program in $(ALL_PROGRAMS); do 58 for program in $(ALL_PROGRAMS); do \
63 install $$program $(DESTDIR)$( 59 install $$program $(DESTDIR)$(bindir); \
64 done 60 done
65 61
66 FORCE: 62 FORCE:
67 63
68 .PHONY: all install clean FORCE prepare 64 .PHONY: all install clean FORCE prepare
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