Commit | Line | Data |
---|---|---|
eddc018d JB |
1 | # Sample Makefile to build simple project. |
2 | # | |
3 | # This Makefile expect all source files (.c) to be at the same level, in the | |
4 | # current working directory. | |
5 | # | |
6 | # It will automatically generate dependencies, compile all files, and produce a | |
7 | # binary using the provided name. | |
8 | # | |
9 | # Set BINARY_NAME to the name of the binary file to build. | |
10 | # Set BUILD_TYPE to either debug or release | |
11 | # | |
12 | # Automatic dependencies code from: | |
13 | # http://make.mad-scientist.net/papers/advanced-auto-dependency-generation/#tldr | |
14 | BINARY_NAME=exo1 | |
15 | BINARY_PATH:=src | |
16 | LIBRARY_NAME=libexo1 | |
17 | LIBRARY_PATH:=lib | |
eddc018d JB |
18 | BUILD_TYPE=debug |
19 | ||
20 | # ==================================== | |
21 | # DO NOT CHANGE STUFF BEYOND THIS LINE | |
22 | # ==================================== | |
23 | ||
24 | all: $(BINARY_NAME) $(BINARY_NAME).dynamic $(BINARY_NAME).static | |
25 | ||
26 | CC=gcc | |
27 | LD=gcc | |
28 | AR=ar | |
29 | ||
30 | WARN_FLAGS = -Wall -Wextra | |
31 | STD_FLAG = -std=c11 | |
32 | ||
33 | ifeq ($(BUILD_TYPE),debug) | |
34 | BUILDDIR := .build/debug | |
35 | DEBUG_FLAG = -g | |
36 | STRIP_FLAG = | |
37 | OPTI_FLAG = -O0 | |
38 | else | |
39 | BUILDDIR := .build/release | |
40 | DEBUG_FLAG = | |
41 | STRIP_FLAG = -s | |
42 | OPTI_FLAG = -O3 | |
43 | endif | |
44 | ||
a80f64d2 JB |
45 | CFLAGS := $(CFLAGS) $(WARN_FLAGS) $(STD_FLAG) $(OPTI_FLAG) $(DEBUG_FLAG) |
46 | LIBCFLAGS := -fPIC $(CFLAGS) | |
eddc018d JB |
47 | LDFLAGS := $(LDFLAGS) $(STRIP_FLAG) |
48 | LIBLDFLAGS := -shared $(LDFLAGS) | |
49 | STATICLIBLDFLAGS := -static $(LDFLAGS) | |
a80f64d2 | 50 | LDLIBS := $(LDLIBS) -L$(LIBRARY_PATH) -l$(BINARY_NAME) |
eddc018d JB |
51 | |
52 | OBJDIR := $(BUILDDIR)/objs | |
53 | $(shell mkdir -p $(OBJDIR)) | |
54 | ||
55 | SRCS=$(wildcard $(BINARY_PATH)/*.c) | |
56 | LIBSRCS=$(wildcard $(LIBRARY_PATH)/*.c) | |
57 | OBJS=$(patsubst %.c,$(OBJDIR)/%.o,$(notdir $(SRCS))) | |
58 | LIBOBJS=$(patsubst %.c,$(OBJDIR)/%.o,$(notdir $(LIBSRCS))) | |
59 | ||
60 | DEPDIR := $(BUILDDIR)/deps | |
61 | $(shell mkdir -p $(DEPDIR)) | |
62 | DEPFLAGS = -MT $@ -MMD -MP -MF $(DEPDIR)/$(notdir $*).Td | |
63 | POSTCOMPILE = mv -f $(DEPDIR)/$(notdir $*).Td $(DEPDIR)/$(notdir $*).d | |
64 | ||
65 | print: | |
66 | @echo $(basename $(notdir $(SRCS))) | |
67 | @echo $(notdir $(SRCS)) | |
68 | @echo $(DEPDIR)/%d | |
69 | @echo $(wildcard $(patsubst %,$(DEPDIR)/%.d,$(basename $(SRCS)))) | |
70 | @echo $(OBJS) $(LIBOBJS) | |
71 | @echo $(SRCS) $(LIBSRCS) | |
72 | @echo $(POSTCOMPILE) | |
73 | ||
74 | $(LIBRARY_PATH)/$(LIBRARY_NAME).a: $(LIBOBJS) | |
75 | @echo "[AR StO] $@" | |
76 | @$(AR) rcs $@ $^ | |
77 | ||
78 | $(LIBRARY_PATH)/$(LIBRARY_NAME).so: $(LIBOBJS) | |
79 | @echo "[LD ShO] $@" | |
a80f64d2 | 80 | @$(LD) $(LIBCFLAGS) $(LIBLDFLAGS) $^ -o $@ |
eddc018d JB |
81 | |
82 | #$(BINARY_NAME): $(OBJS) $(LIBOBJS) | |
83 | # @echo "[LD ] $@" | |
a80f64d2 | 84 | # @$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@ |
eddc018d JB |
85 | |
86 | $(BINARY_NAME): $(OBJS) $(LIBRARY_PATH)/$(LIBRARY_NAME).a | |
87 | @echo "[LD ] $@" | |
a80f64d2 | 88 | @$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@ |
eddc018d | 89 | |
eddc018d JB |
90 | $(BINARY_NAME).static: $(OBJS) $(LIBRARY_PATH)/$(LIBRARY_NAME).a |
91 | @echo "[LD ] $@" | |
a80f64d2 | 92 | @$(LD) $(CFLAGS) $(STATICLIBLDFLAGS) $^ $(LDLIBS) -o $@ |
eddc018d JB |
93 | |
94 | #$(BINARY_NAME).staticlocal: $(OBJS) $(LIBRARY_PATH)/$(LIBRARY_NAME).a | |
95 | # @echo "[LD ] $@" | |
a80f64d2 | 96 | # @$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@ |
eddc018d JB |
97 | |
98 | $(BINARY_NAME).dynamic: $(OBJS) $(LIBRARY_PATH)/$(LIBRARY_NAME).so | |
99 | @echo "[LD ] $@" | |
a80f64d2 | 100 | @$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@ |
eddc018d JB |
101 | |
102 | $(OBJS): $(SRCS) $(DEPDIR)/%.d | |
a80f64d2 | 103 | @echo "[C ] $(notdir $*)" |
eddc018d JB |
104 | @$(CC) $(DEPFLAGS) $(CFLAGS) -c $< -o $@ |
105 | @$(POSTCOMPILE) | |
106 | ||
107 | include $(wildcard $(patsubst %,$(DEPDIR)/%.d,$(basename $(SRCS)))) | |
108 | ||
109 | $(LIBOBJS): $(LIBSRCS) $(DEPDIR)/%.d | |
a80f64d2 JB |
110 | @echo "[C ] $(notdir $*)" |
111 | @$(CC) $(DEPFLAGS) $(LIBCFLAGS) -c $< -o $@ | |
eddc018d JB |
112 | @$(POSTCOMPILE) |
113 | ||
114 | include $(wildcard $(patsubst %,$(DEPDIR)/%.d,$(basename $(LIBSRCS)))) | |
115 | ||
116 | $(DEPDIR)/%.d: ; | |
117 | ||
118 | .PRECIOUS: $(DEPDIR)/%.d | |
119 | ||
a80f64d2 JB |
120 | #FIXME: add an install target |
121 | ||
eddc018d JB |
122 | clean: |
123 | @echo "[CLN]" | |
124 | -@rm -r $(BUILDDIR) | |
125 | -@rm $(BINARY_NAME) | |
126 | -@rm $(BINARY_NAME).static | |
127 | -@rm $(BINARY_NAME).dynamic | |
128 | -@rm $(LIBRARY_PATH)/$(LIBRARY_NAME).a | |
129 | -@rm $(LIBRARY_PATH)/$(LIBRARY_NAME).so | |
130 | ||
131 | disassemble: $(BINARY_NAME) | |
132 | objdump -d $< | less | |
133 | ||
134 | symbols: $(BINARY_NAME) | |
135 | objdump -t $< | sort | less |