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b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
8674cea8 AS |
2 | include ../scripts/Makefile.include |
3 | ||
53499109 AS |
4 | bindir ?= /usr/bin |
5 | ||
4a6a6f5c SK |
6 | # This will work when gpio is built in tools env. where srctree |
7 | # isn't set and when invoked from selftests build, where srctree | |
8 | # is set to ".". building_out_of_srctree is undefined for in srctree | |
9 | # builds | |
10 | ifndef building_out_of_srctree | |
e19b7cee | 11 | srctree := $(patsubst %/,%,$(dir $(CURDIR))) |
8674cea8 AS |
12 | srctree := $(patsubst %/,%,$(dir $(srctree))) |
13 | endif | |
14 | ||
15 | # Do not use make's built-in rules | |
16 | # (this improves performance and avoids hard-to-debug behaviour); | |
17 | MAKEFLAGS += -r | |
18 | ||
4ccc98a4 | 19 | override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include |
8674cea8 AS |
20 | |
21 | ALL_TARGETS := lsgpio gpio-hammer gpio-event-mon | |
22 | ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS)) | |
23 | ||
24 | all: $(ALL_PROGRAMS) | |
6d591c46 | 25 | |
8674cea8 AS |
26 | export srctree OUTPUT CC LD CFLAGS |
27 | include $(srctree)/tools/build/Makefile.include | |
6d591c46 | 28 | |
8674cea8 AS |
29 | # |
30 | # We need the following to be outside of kernel tree | |
31 | # | |
32 | $(OUTPUT)include/linux/gpio.h: ../../include/uapi/linux/gpio.h | |
33 | mkdir -p $(OUTPUT)include/linux 2>&1 || true | |
34 | ln -sf $(CURDIR)/../../include/uapi/linux/gpio.h $@ | |
6d591c46 | 35 | |
8674cea8 AS |
36 | prepare: $(OUTPUT)include/linux/gpio.h |
37 | ||
668bf06b | 38 | GPIO_UTILS_IN := $(OUTPUT)gpio-utils-in.o |
0161a94e LA |
39 | $(GPIO_UTILS_IN): prepare FORCE |
40 | $(Q)$(MAKE) $(build)=gpio-utils | |
41 | ||
8674cea8 AS |
42 | # |
43 | # lsgpio | |
44 | # | |
45 | LSGPIO_IN := $(OUTPUT)lsgpio-in.o | |
0161a94e | 46 | $(LSGPIO_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o |
8674cea8 AS |
47 | $(Q)$(MAKE) $(build)=lsgpio |
48 | $(OUTPUT)lsgpio: $(LSGPIO_IN) | |
49 | $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ | |
50 | ||
51 | # | |
52 | # gpio-hammer | |
53 | # | |
54 | GPIO_HAMMER_IN := $(OUTPUT)gpio-hammer-in.o | |
0161a94e | 55 | $(GPIO_HAMMER_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o |
8674cea8 AS |
56 | $(Q)$(MAKE) $(build)=gpio-hammer |
57 | $(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN) | |
58 | $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ | |
59 | ||
60 | # | |
61 | # gpio-event-mon | |
62 | # | |
63 | GPIO_EVENT_MON_IN := $(OUTPUT)gpio-event-mon-in.o | |
0161a94e | 64 | $(GPIO_EVENT_MON_IN): prepare FORCE $(OUTPUT)gpio-utils-in.o |
8674cea8 AS |
65 | $(Q)$(MAKE) $(build)=gpio-event-mon |
66 | $(OUTPUT)gpio-event-mon: $(GPIO_EVENT_MON_IN) | |
67 | $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ | |
6d591c46 | 68 | |
6d591c46 | 69 | clean: |
8674cea8 AS |
70 | rm -f $(ALL_PROGRAMS) |
71 | rm -f $(OUTPUT)include/linux/gpio.h | |
72 | find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete | |
73 | ||
53499109 AS |
74 | install: $(ALL_PROGRAMS) |
75 | install -d -m 755 $(DESTDIR)$(bindir); \ | |
76 | for program in $(ALL_PROGRAMS); do \ | |
77 | install $$program $(DESTDIR)$(bindir); \ | |
78 | done | |
79 | ||
8674cea8 AS |
80 | FORCE: |
81 | ||
53499109 | 82 | .PHONY: all install clean FORCE prepare |