forked from Klipper3d/klipper
-
Notifications
You must be signed in to change notification settings - Fork 2
/
Makefile
132 lines (100 loc) · 3.71 KB
/
Makefile
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
# Klipper build system
#
# Copyright (C) 2016-2020 Kevin O'Connor <[email protected]>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
# Output directory
OUT=out/
# Kconfig includes
export KCONFIG_CONFIG := $(CURDIR)/.config
-include $(KCONFIG_CONFIG)
# Common command definitions
CC=$(CROSS_PREFIX)gcc
AS=$(CROSS_PREFIX)as
LD=$(CROSS_PREFIX)ld
OBJCOPY=$(CROSS_PREFIX)objcopy
OBJDUMP=$(CROSS_PREFIX)objdump
STRIP=$(CROSS_PREFIX)strip
CPP=cpp
PYTHON=python3
# Source files
src-y =
dirs-y = src
# Default compiler flags
cc-option=$(shell if test -z "`$(1) $(2) -S -o /dev/null -xc /dev/null 2>&1`" \
; then echo "$(2)"; else echo "$(3)"; fi ;)
CFLAGS := -I$(OUT) -Isrc -I$(OUT)board-generic/ -std=gnu11 -O2 -MD \
-Wall -Wold-style-definition $(call cc-option,$(CC),-Wtype-limits,) \
-ffunction-sections -fdata-sections -fno-delete-null-pointer-checks
CFLAGS += -flto -fwhole-program -fno-use-linker-plugin -ggdb3
OBJS_klipper.elf = $(patsubst %.c, $(OUT)src/%.o,$(src-y))
OBJS_klipper.elf += $(OUT)compile_time_request.o
CFLAGS_klipper.elf = $(CFLAGS) -Wl,--gc-sections
CPPFLAGS = -I$(OUT) -P -MD -MT $@
# Default targets
target-y := $(OUT)klipper.elf
all:
# Run with "make V=1" to see the actual compile commands
ifdef V
Q=
else
Q=@
MAKEFLAGS += --no-print-directory
endif
# Include board specific makefile
include src/Makefile
-include src/$(patsubst "%",%,$(CONFIG_BOARD_DIRECTORY))/Makefile
################ Main build rules
$(OUT)%.o: %.c $(OUT)autoconf.h
@echo " Compiling $@"
$(Q)$(CC) $(CFLAGS) -c $< -o $@
$(OUT)%.ld: %.lds.S $(OUT)autoconf.h
@echo " Preprocessing $@"
$(Q)$(CPP) -I$(OUT) -P -MD -MT $@ $< -o $@
$(OUT)klipper.elf: $(OBJS_klipper.elf)
@echo " Linking $@"
$(Q)$(CC) $(OBJS_klipper.elf) $(CFLAGS_klipper.elf) -o $@
$(Q)scripts/check-gcc.sh $@ $(OUT)compile_time_request.o
################ Compile time requests
$(OUT)%.o.ctr: $(OUT)%.o
$(Q)$(OBJCOPY) -j '.compile_time_request' -O binary $^ $@
$(OUT)compile_time_request.o: $(patsubst %.c, $(OUT)src/%.o.ctr,$(src-y)) ./scripts/buildcommands.py
@echo " Building $@"
$(Q)cat $(patsubst %.c, $(OUT)src/%.o.ctr,$(src-y)) | tr -s '\0' '\n' > $(OUT)compile_time_request.txt
$(Q)$(PYTHON) ./scripts/buildcommands.py -d $(OUT)klipper.dict -t "$(CC);$(AS);$(LD);$(OBJCOPY);$(OBJDUMP);$(STRIP)" $(OUT)compile_time_request.txt $(OUT)compile_time_request.c
$(Q)$(CC) $(CFLAGS) -c $(OUT)compile_time_request.c -o $@
################ Auto generation of "board/" include file link
create-board-link:
@echo " Creating symbolic link $(OUT)board"
$(Q)mkdir -p $(addprefix $(OUT), $(dirs-y))
$(Q)rm -f $(OUT)*.d $(patsubst %,$(OUT)%/*.d,$(dirs-y))
$(Q)rm -f $(OUT)board
$(Q)ln -sf $(CURDIR)/src/$(CONFIG_BOARD_DIRECTORY) $(OUT)board
$(Q)mkdir -p $(OUT)board-generic
$(Q)rm -f $(OUT)board-generic/board
$(Q)ln -sf $(CURDIR)/src/generic $(OUT)board-generic/board
# Hack to rebuild OUT directory and reload make dependencies on Kconfig change
$(OUT)board-link: $(KCONFIG_CONFIG)
$(Q)mkdir -p $(OUT)
$(Q)echo "# Makefile board-link rule" > $@
$(Q)$(MAKE) create-board-link
include $(OUT)board-link
################ Kconfig rules
$(OUT)autoconf.h: $(KCONFIG_CONFIG)
@echo " Building $@"
$(Q)mkdir -p $(OUT)
$(Q) KCONFIG_AUTOHEADER=$@ $(PYTHON) lib/kconfiglib/genconfig.py src/Kconfig
$(KCONFIG_CONFIG) olddefconfig: src/Kconfig
$(Q)$(PYTHON) lib/kconfiglib/olddefconfig.py src/Kconfig
menuconfig:
$(Q)$(PYTHON) lib/kconfiglib/menuconfig.py src/Kconfig
################ Generic rules
# Make definitions
.PHONY : all clean distclean olddefconfig menuconfig create-board-link FORCE
.DELETE_ON_ERROR:
all: $(target-y)
clean:
$(Q)rm -rf $(OUT)
distclean: clean
$(Q)rm -f .config .config.old
-include $(OUT)*.d $(patsubst %,$(OUT)%/*.d,$(dirs-y))