1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 include ../scripts/Makefile.include 2 include ../scripts/Makefile.include
3 3
4 bindir ?= /usr/bin 4 bindir ?= /usr/bin
5 5
6 # This will work when gpio is built in tools e 6 # This will work when gpio is built in tools env. where srctree
7 # isn't set and when invoked from selftests bu 7 # isn't set and when invoked from selftests build, where srctree
8 # is set to ".". building_out_of_srctree is un 8 # is set to ".". building_out_of_srctree is undefined for in srctree
9 # builds 9 # builds
10 ifndef building_out_of_srctree 10 ifndef building_out_of_srctree
11 srctree := $(patsubst %/,%,$(dir $(CURDIR))) 11 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
12 srctree := $(patsubst %/,%,$(dir $(srctree))) 12 srctree := $(patsubst %/,%,$(dir $(srctree)))
13 endif 13 endif
14 14
15 # Do not use make's built-in rules 15 # Do not use make's built-in rules
16 # (this improves performance and avoids hard-t 16 # (this improves performance and avoids hard-to-debug behaviour);
17 MAKEFLAGS += -r 17 MAKEFLAGS += -r
18 18
19 override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE !! 19 CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
20 20
21 ALL_TARGETS := lsgpio gpio-hammer gpio-event-m !! 21 ALL_TARGETS := lsgpio gpio-hammer gpio-event-mon
22 ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_ 22 ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
23 23
24 all: $(ALL_PROGRAMS) 24 all: $(ALL_PROGRAMS)
25 25
26 export srctree OUTPUT CC LD CFLAGS 26 export srctree OUTPUT CC LD CFLAGS
27 include $(srctree)/tools/build/Makefile.includ 27 include $(srctree)/tools/build/Makefile.include
28 28
29 # 29 #
30 # We need the following to be outside of kerne 30 # We need the following to be outside of kernel tree
31 # 31 #
32 $(OUTPUT)include/linux/gpio.h: ../../include/u 32 $(OUTPUT)include/linux/gpio.h: ../../include/uapi/linux/gpio.h
33 mkdir -p $(OUTPUT)include/linux 2>&1 | 33 mkdir -p $(OUTPUT)include/linux 2>&1 || true
34 ln -sf $(CURDIR)/../../include/uapi/li 34 ln -sf $(CURDIR)/../../include/uapi/linux/gpio.h $@
35 35
36 prepare: $(OUTPUT)include/linux/gpio.h 36 prepare: $(OUTPUT)include/linux/gpio.h
37 37
38 GPIO_UTILS_IN := $(OUTPUT)gpio-utils-in.o 38 GPIO_UTILS_IN := $(OUTPUT)gpio-utils-in.o
39 $(GPIO_UTILS_IN): prepare FORCE 39 $(GPIO_UTILS_IN): prepare FORCE
40 $(Q)$(MAKE) $(build)=gpio-utils 40 $(Q)$(MAKE) $(build)=gpio-utils
41 41
42 # 42 #
43 # lsgpio 43 # lsgpio
44 # 44 #
45 LSGPIO_IN := $(OUTPUT)lsgpio-in.o 45 LSGPIO_IN := $(OUTPUT)lsgpio-in.o
46 $(LSGPIO_IN): prepare FORCE $(OUTPUT)gpio-util 46 $(LSGPIO_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
47 $(Q)$(MAKE) $(build)=lsgpio 47 $(Q)$(MAKE) $(build)=lsgpio
48 $(OUTPUT)lsgpio: $(LSGPIO_IN) 48 $(OUTPUT)lsgpio: $(LSGPIO_IN)
49 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS 49 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
50 50
51 # 51 #
52 # gpio-hammer 52 # gpio-hammer
53 # 53 #
54 GPIO_HAMMER_IN := $(OUTPUT)gpio-hammer-in.o 54 GPIO_HAMMER_IN := $(OUTPUT)gpio-hammer-in.o
55 $(GPIO_HAMMER_IN): prepare FORCE $(OUTPUT)gpio 55 $(GPIO_HAMMER_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
56 $(Q)$(MAKE) $(build)=gpio-hammer 56 $(Q)$(MAKE) $(build)=gpio-hammer
57 $(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN) 57 $(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN)
58 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS 58 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
59 59
60 # 60 #
61 # gpio-event-mon 61 # gpio-event-mon
62 # 62 #
63 GPIO_EVENT_MON_IN := $(OUTPUT)gpio-event-mon-i 63 GPIO_EVENT_MON_IN := $(OUTPUT)gpio-event-mon-in.o
64 $(GPIO_EVENT_MON_IN): prepare FORCE $(OUTPUT)g 64 $(GPIO_EVENT_MON_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o
65 $(Q)$(MAKE) $(build)=gpio-event-mon 65 $(Q)$(MAKE) $(build)=gpio-event-mon
66 $(OUTPUT)gpio-event-mon: $(GPIO_EVENT_MON_IN) 66 $(OUTPUT)gpio-event-mon: $(GPIO_EVENT_MON_IN)
67 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS 67 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
68 68
69 # <<
70 # gpio-watch <<
71 # <<
72 GPIO_WATCH_IN := $(OUTPUT)gpio-watch-in.o <<
73 $(GPIO_WATCH_IN): prepare FORCE <<
74 $(Q)$(MAKE) $(build)=gpio-watch <<
75 $(OUTPUT)gpio-watch: $(GPIO_WATCH_IN) <<
76 $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS <<
77 <<
78 clean: 69 clean:
79 rm -f $(ALL_PROGRAMS) 70 rm -f $(ALL_PROGRAMS)
80 rm -f $(OUTPUT)include/linux/gpio.h 71 rm -f $(OUTPUT)include/linux/gpio.h
81 find $(or $(OUTPUT),.) -name '*.o' -de !! 72 find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
82 73
83 install: $(ALL_PROGRAMS) 74 install: $(ALL_PROGRAMS)
84 install -d -m 755 $(DESTDIR)$(bindir); 75 install -d -m 755 $(DESTDIR)$(bindir); \
85 for program in $(ALL_PROGRAMS); do 76 for program in $(ALL_PROGRAMS); do \
86 install $$program $(DESTDIR)$( 77 install $$program $(DESTDIR)$(bindir); \
87 done 78 done
88 79
89 FORCE: 80 FORCE:
90 81
91 .PHONY: all install clean FORCE prepare 82 .PHONY: all install clean FORCE prepare
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