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
22 LIBRARY_NAME
:=lib
$(BINARY_NAME
)
24 LDLIBS
:=-l
$(BINARY_NAME
)
28 # ====================================
29 # DO NOT CHANGE STUFF BEYOND THIS LINE
30 # ====================================
36 WARN_FLAGS
= -Wall
-Wextra
38 UNAME
:= $(shell uname
-o
)
40 ifeq ($(BUILD_TYPE
),debug
)
41 BUILDDIR
:= .build
/debug
48 BUILDDIR
:= .build
/release
62 OBJDIR
:= $(BUILDDIR
)/objs
63 $(shell mkdir
-p
$(OBJDIR
))
65 SRCS
=$(wildcard $(SRC_PATH
)/*.c
)
66 LIBSRCS
=$(wildcard $(LIBRARY_PATH
)/*.c
)
67 OBJS
=$(patsubst %.c
,$(OBJDIR
)/%.o
,$(notdir $(SRCS
)))
68 LIBOBJS
=$(patsubst %.c
,$(OBJDIR
)/%.o
,$(notdir $(LIBSRCS
)))
70 DEPDIR
:= $(BUILDDIR
)/deps
71 $(shell mkdir
-p
$(DEPDIR
))
72 DEPFLAGS
= -MT
$@
-MMD
-MP
-MF
$(DEPDIR
)/$(notdir $*).Td
73 POSTCOMPILE
= mv
-f
$(DEPDIR
)/$(notdir $*).Td
$(DEPDIR
)/$(notdir $*).d
75 ifeq ($(UNAME
),Cygwin
)
76 CYGWIN_DLIBRARY_NAME
:= $(subst lib
,cyg
,$(LIBRARY_NAME
))
80 CYGWIN_LDLIBS_NOARCHIVE
:=
81 CYGWIN_LIBLDFLAGS
:= -Wl
,--out-implib
=$(LIBRARY_PATH
)/$(DLIB_PREFIX
)$(LIBRARY_NAME
)$(DLIB_SUFFIX
).a \
82 -Wl
,--export-all-symbols \
83 -Wl
,--enable-auto-import
86 ifeq ($(LTO_SUPPORT
),yes
)
87 CFLAGS_LTO
= -flto
-ffat-lto-objects
88 LDFLAGS_LTO
= -fuse-linker-plugin
-flto
91 ifeq ($(GOLD_SUPPORT
),yes
)
92 LDFLAGS_GOLD
= -fuse-ld
=gold
95 # Putting header files in the source directory is not the purpose of this INCLUDES_PATH variable
96 INCLUDES_PATH
:= $(INCLUDES_PATH
) -I
$(LIBRARY_PATH
)
97 CFLAGS
:= $(CFLAGS
) $(CFLAGS_LTO
) $(WARN_FLAGS
) $(STD_FLAG
) $(OPTI_FLAG
) $(DEBUG_FLAG
) $(INCLUDES_PATH
)
98 LIBCFLAGS
:= -fPIC
$(CFLAGS
)
99 LDFLAGS
:= $(LDFLAGS
) $(LDFLAGS_LTO
) $(LDFLAGS_GOLD
) $(STRIP_FLAG
)
100 LIBLDFLAGS
:= -shared
$(LDFLAGS
)
101 STATICLIBLDFLAGS
:= -static
$(LDFLAGS
)
102 LDLIBS
:= $(LDLIBS
) -L
$(LIBRARY_PATH
)
104 all: $(BINARY_NAME
)$(BINARY_SUFFIX
) $(BINARY_NAME
).dynamic
$(BINARY_SUFFIX
) $(BINARY_NAME
).static
$(BINARY_SUFFIX
)
106 $(LIBRARY_PATH
)/$(SLIB_PREFIX
)$(LIBRARY_NAME
)$(SLIB_SUFFIX
): $(LIBOBJS
)
110 ifeq ($(UNAME
),Cygwin
)
111 $(LIBRARY_PATH
)/$(DLIB_PREFIX
)$(LIBRARY_NAME
)$(DLIB_SUFFIX
).a
: $(LIBRARY_PATH
)/$(DLIB_PREFIX
)$(CYGWIN_DLIBRARY_NAME
)$(DLIB_SUFFIX
)
112 $(LIBRARY_PATH
)/$(DLIB_PREFIX
)$(CYGWIN_DLIBRARY_NAME
)$(DLIB_SUFFIX
): $(LIBOBJS
)
114 @
$(LD
) $(LIBCFLAGS
) $(LIBLDFLAGS
) $(CYGWIN_LIBLDFLAGS
) -Wl
,--whole-archive
$^
-Wl
,--no-whole-archive
$(CYGWIN_LDLIBS_NOARCHIVE
) -o
$@
116 $(LIBRARY_PATH
)/$(DLIB_PREFIX
)$(LIBRARY_NAME
)$(DLIB_SUFFIX
): $(LIBOBJS
)
118 @
$(LD
) $(LIBCFLAGS
) $(LIBLDFLAGS
) $^
-o
$@
121 #$(BINARY_NAME)$(BINARY_SUFFIX): $(OBJS) $(LIBOBJS)
123 # @$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
125 $(BINARY_NAME
)$(BINARY_SUFFIX
): $(OBJS
) $(LIBRARY_PATH
)/$(SLIB_PREFIX
)$(LIBRARY_NAME
)$(SLIB_SUFFIX
)
127 @
$(LD
) $(CFLAGS
) $(LDFLAGS
) $^
$(LDLIBS
) -o
$@
129 $(BINARY_NAME
).static
$(BINARY_SUFFIX
): $(OBJS
) $(LIBRARY_PATH
)/$(SLIB_PREFIX
)$(LIBRARY_NAME
)$(SLIB_SUFFIX
)
131 @
$(LD
) $(CFLAGS
) $(STATICLIBLDFLAGS
) $^
$(LDLIBS
) -o
$@
133 ifeq ($(UNAME
),Cygwin
)
134 $(BINARY_NAME
).dynamic
$(BINARY_SUFFIX
): $(OBJS
) $(LIBRARY_PATH
)/$(DLIB_PREFIX
)$(LIBRARY_NAME
)$(DLIB_SUFFIX
).a
136 $(BINARY_NAME
).dynamic
$(BINARY_SUFFIX
): $(OBJS
) $(LIBRARY_PATH
)/$(DLIB_PREFIX
)$(LIBRARY_NAME
)$(DLIB_SUFFIX
)
139 @
$(LD
) $(CFLAGS
) $(LDFLAGS
) $^
$(LDLIBS
) -o
$@
141 $(OBJDIR
)/%.o
: $(SRC_PATH
)/%.c
$(DEPDIR
)/%.d
142 @echo
"[C ] $(notdir $*)"
143 @
$(CC
) $(DEPFLAGS
) $(CFLAGS
) -c
$< -o
$@
146 include $(wildcard $(patsubst %,$(DEPDIR
)/%.d
,$(basename $(SRCS
))))
148 $(OBJDIR
)/%.o
: $(LIBRARY_PATH
)/%.c
$(DEPDIR
)/%.d
149 @echo
"[C ] $(notdir $*)"
150 @
$(CC
) $(DEPFLAGS
) $(LIBCFLAGS
) -c
$< -o
$@
153 include $(wildcard $(patsubst %,$(DEPDIR
)/%.d
,$(basename $(LIBSRCS
))))
157 .PRECIOUS
: $(DEPDIR
)/%.d
159 #FIXME: add an install target
164 -@
rm $(BINARY_NAME
)$(BINARY_SUFFIX
)
165 -@
rm $(BINARY_NAME
).static
$(BINARY_SUFFIX
)
166 -@
rm $(BINARY_NAME
).dynamic
$(BINARY_SUFFIX
)
167 -@
rm $(LIBRARY_PATH
)/$(SLIB_PREFIX
)$(LIBRARY_NAME
)$(SLIB_SUFFIX
)
168 ifeq ($(UNAME
),Cygwin
)
169 -@
rm $(LIBRARY_PATH
)/$(DLIB_PREFIX
)$(CYGWIN_DLIBRARY_NAME
)$(DLIB_SUFFIX
)
170 -@
rm $(LIBRARY_PATH
)/$(DLIB_PREFIX
)$(LIBRARY_NAME
)$(DLIB_SUFFIX
).a
172 -@
rm $(LIBRARY_PATH
)/$(DLIB_PREFIX
)$(LIBRARY_NAME
)$(DLIB_SUFFIX
)
175 disassemble
: $(BINARY_NAME
)$(BINARY_SUFFIX
)
178 symbols
: $(BINARY_NAME
)$(BINARY_SUFFIX
)
179 objdump
-t
$< |
sort | less