1 # Sample Makefile to build simple project.
3 # This Makefile expect all source files (.c) to be at the same level, in the
4 # $(SRC_PATH) directory.
6 # This Makefile expect all embedded library source files (.c) to be at the same level, in the
7 # $(LIBRARY_PATH) directory.
9 # It will automatically generate dependencies, compile all files, and produce a
10 # binary using the provided name linked against the library if necessary.
12 # Set BINARY_NAME to the name of the binary file to build.
13 # Set LIBRARY_NAME to the name of the library file to build.
14 # The default path for the library code and object is lib.
15 # By default the linker will look for $(BINARY_NAME) library name.
16 # Set BUILD_TYPE to either debug or release.
18 # Automatic dependencies code from:
19 # http://make.mad-scientist.net/papers/advanced-auto-dependency-generation/#tldr
27 # ====================================
28 # DO NOT CHANGE STUFF BEYOND THIS LINE
29 # ====================================
31 all: $(BINARY_NAME
) $(BINARY_NAME
).dynamic
$(BINARY_NAME
).static
37 WARN_FLAGS
= -Wall
-Wextra
40 ifeq ($(BUILD_TYPE
),debug
)
41 BUILDDIR
:= .build
/debug
48 BUILDDIR
:= .build
/release
56 ifeq ($(LTO_SUPPORT
),yes
)
57 CFLAGS_LTO
= -flto
-ffat-lto-objects
58 LDFLAGS_LTO
= -fuse-linker-plugin
-flto
61 ifeq ($(GOLD_SUPPORT
),yes
)
62 LDFLAGS_GOLD
= -fuse-ld
=gold
65 # Putting header files in the source directory is not the purpose of this INCLUDES variable
66 INCLUDES
:= $(INCLUDES
) -I
$(LIBRARY_PATH
)
67 CFLAGS
:= $(CFLAGS
) $(CFLAGS_LTO
) $(WARN_FLAGS
) $(STD_FLAG
) $(OPTI_FLAG
) $(DEBUG_FLAG
) $(INCLUDES
)
68 LIBCFLAGS
:= -fPIC
$(CFLAGS
)
69 LDFLAGS
:= $(LDFLAGS
) $(LDFLAGS_LTO
) $(LDFLAGS_GOLD
) $(STRIP_FLAG
)
70 LIBLDFLAGS
:= -shared
$(LDFLAGS
)
71 STATICLIBLDFLAGS
:= -static
$(LDFLAGS
)
72 LDLIBS
:= $(LDLIBS
) -L
$(LIBRARY_PATH
) -l
$(BINARY_NAME
)
74 OBJDIR
:= $(BUILDDIR
)/objs
75 $(shell mkdir
-p
$(OBJDIR
))
77 SRCS
=$(wildcard $(SRC_PATH
)/*.c
)
78 LIBSRCS
=$(wildcard $(LIBRARY_PATH
)/*.c
)
79 OBJS
=$(patsubst %.c
,$(OBJDIR
)/%.o
,$(notdir $(SRCS
)))
80 LIBOBJS
=$(patsubst %.c
,$(OBJDIR
)/%.o
,$(notdir $(LIBSRCS
)))
82 DEPDIR
:= $(BUILDDIR
)/deps
83 $(shell mkdir
-p
$(DEPDIR
))
84 DEPFLAGS
= -MT
$@
-MMD
-MP
-MF
$(DEPDIR
)/$(notdir $*).Td
85 POSTCOMPILE
= mv
-f
$(DEPDIR
)/$(notdir $*).Td
$(DEPDIR
)/$(notdir $*).d
87 $(LIBRARY_PATH
)/$(LIBRARY_NAME
).a
: $(LIBOBJS
)
91 $(LIBRARY_PATH
)/$(LIBRARY_NAME
).so
: $(LIBOBJS
)
93 @
$(LD
) $(LIBCFLAGS
) $(LIBLDFLAGS
) $^
-o
$@
95 #$(BINARY_NAME): $(OBJS) $(LIBOBJS)
97 # @$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
99 $(BINARY_NAME
): $(OBJS
) $(LIBRARY_PATH
)/$(LIBRARY_NAME
).a
101 @
$(LD
) $(CFLAGS
) $(LDFLAGS
) $^
$(LDLIBS
) -o
$@
103 $(BINARY_NAME
).static
: $(OBJS
) $(LIBRARY_PATH
)/$(LIBRARY_NAME
).a
105 @
$(LD
) $(CFLAGS
) $(STATICLIBLDFLAGS
) $^
$(LDLIBS
) -o
$@
107 $(BINARY_NAME
).dynamic
: $(OBJS
) $(LIBRARY_PATH
)/$(LIBRARY_NAME
).so
109 @
$(LD
) $(CFLAGS
) $(LDFLAGS
) $^
$(LDLIBS
) -o
$@
111 $(OBJDIR
)/%.o
: $(SRC_PATH
)/%.c
$(DEPDIR
)/%.d
112 @echo
"[C ] $(notdir $*)"
113 @
$(CC
) $(DEPFLAGS
) $(CFLAGS
) -c
$< -o
$@
116 include $(wildcard $(patsubst %,$(DEPDIR
)/%.d
,$(basename $(SRCS
))))
118 $(OBJDIR
)/%.o
: $(LIBRARY_PATH
)/%.c
$(DEPDIR
)/%.d
119 @echo
"[C ] $(notdir $*)"
120 @
$(CC
) $(DEPFLAGS
) $(LIBCFLAGS
) -c
$< -o
$@
123 include $(wildcard $(patsubst %,$(DEPDIR
)/%.d
,$(basename $(LIBSRCS
))))
127 .PRECIOUS
: $(DEPDIR
)/%.d
129 #FIXME: add an install target
135 -@
rm $(BINARY_NAME
).static
136 -@
rm $(BINARY_NAME
).dynamic
137 -@
rm $(LIBRARY_PATH
)/$(LIBRARY_NAME
).a
138 -@
rm $(LIBRARY_PATH
)/$(LIBRARY_NAME
).so
140 disassemble
: $(BINARY_NAME
)
143 symbols
: $(BINARY_NAME
)
144 objdump
-t
$< |
sort | less