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