TP_13/exo1/Makefile

   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 # $(SRC_PATH) directory.
   5 #
   6 # This Makefile expect all embedded library source files (.c) to be at the same level, in the
   7 # $(LIBRARY_PATH) directory.
   8 #
   9 # It will automatically generate dependencies, compile all files, and produce a
  10 # binary using the provided name linked against the library if necessary.
  11 #
  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.
  17 #
  18 # Automatic dependencies code from:
  19 # http://make.mad-scientist.net/papers/advanced-auto-dependency-generation/#tldr
  20 BINARY_NAME:=exo1
  21 SRC_PATH:=src
  22 LIBRARY_NAME:=libexo1
  23 LIBRARY_PATH:=lib
  24 BUILD_TYPE:=debug
  25 #BUILD_TYPE=release
  26
  27 # ====================================
  28 # DO NOT CHANGE STUFF BEYOND THIS LINE
  29 # ====================================
  30
  31 CC=gcc
  32 LD=gcc
  33 AR=ar
  34
  35 WARN_FLAGS = -Wall -Wextra
  36 STD_FLAG = -std=c11
  37 UNAME := $(shell uname -o)
  38
  39 ifeq ($(BUILD_TYPE),debug)
  40 BUILDDIR := .build/debug
  41 DEBUG_FLAG = -g
  42 STRIP_FLAG =
  43 OPTI_FLAG = -O0
  44 LTO_SUPPORT = yes
  45 GOLD_SUPPORT = yes
  46 else
  47 BUILDDIR := .build/release
  48 DEBUG_FLAG =
  49 STRIP_FLAG = -s
  50 OPTI_FLAG = -O3
  51 LTO_SUPPORT = yes
  52 GOLD_SUPPORT = yes
  53 endif
  54
  55 BINARY_SUFFIX :=
  56 DLIB_PREFIX :=
  57 SDLIB_PREFIX :=
  58 DLIB_SUFFIX := .so
  59 SLIB_SUFFIX := .a
  60
  61 OBJDIR := $(BUILDDIR)/objs
  62 $(shell mkdir -p $(OBJDIR))
  63
  64 SRCS=$(wildcard $(SRC_PATH)/*.c)
  65 LIBSRCS=$(wildcard $(LIBRARY_PATH)/*.c)
  66 OBJS=$(patsubst %.c,$(OBJDIR)/%.o,$(notdir $(SRCS)))
  67 LIBOBJS=$(patsubst %.c,$(OBJDIR)/%.o,$(notdir $(LIBSRCS)))
  68
  69 DEPDIR := $(BUILDDIR)/deps
  70 $(shell mkdir -p $(DEPDIR))
  71 DEPFLAGS = -MT $@ -MMD -MP -MF $(DEPDIR)/$(notdir $*).Td
  72 POSTCOMPILE = mv -f $(DEPDIR)/$(notdir $*).Td $(DEPDIR)/$(notdir $*).d
  73
  74 ifeq ($(UNAME),Cygwin)
  75 CYGWIN_DLIBRARY_NAME := $(subst lib,cyg,$(LIBRARY_NAME))
  76 GOLD_SUPPORT = no
  77 BINARY_SUFFIX := .exe
  78 DLIB_SUFFIX := .dll
  79 CYGWIN_LDLIBS_NOARCHIVE :=
  80 CYGWIN_LIBLDFLAGS := -Wl,--out-implib=$(LIBRARY_PATH)/$(DLIB_PREFIX)$(LIBRARY_NAME)$(DLIB_SUFFIX).a \
  81     -Wl,--export-all-symbols \
  82     -Wl,--enable-auto-import
  83 endif
  84
  85 ifeq ($(LTO_SUPPORT),yes)
  86 CFLAGS_LTO = -flto -ffat-lto-objects
  87 LDFLAGS_LTO = -fuse-linker-plugin -flto
  88 endif
  89
  90 ifeq ($(GOLD_SUPPORT),yes)
  91 LDFLAGS_GOLD = -fuse-ld=gold
  92 endif
  93
  94 # Putting header files in the source directory is not the purpose of this INCLUDES_PATH variable
  95 INCLUDES_PATH := $(INCLUDES_PATH) -I$(LIBRARY_PATH)
  96 CFLAGS := $(CFLAGS) $(CFLAGS_LTO) $(WARN_FLAGS) $(STD_FLAG) $(OPTI_FLAG) $(DEBUG_FLAG) $(INCLUDES_PATH)
  97 LIBCFLAGS := -fPIC $(CFLAGS)
  98 LDFLAGS := $(LDFLAGS) $(LDFLAGS_LTO) $(LDFLAGS_GOLD) $(STRIP_FLAG)
  99 LIBLDFLAGS := -shared $(LDFLAGS)
 100 STATICLIBLDFLAGS := -static $(LDFLAGS)
 101 LDLIBS := $(LDLIBS) -L$(LIBRARY_PATH) -l$(BINARY_NAME)
 102
 103 all: $(BINARY_NAME)$(BINARY_SUFFIX) $(BINARY_NAME).dynamic$(BINARY_SUFFIX) $(BINARY_NAME).static$(BINARY_SUFFIX)
 104
 105 $(LIBRARY_PATH)/$(SLIB_PREFIX)$(LIBRARY_NAME)$(SLIB_SUFFIX): $(LIBOBJS)
 106         @echo "[AR StO] $@"
 107         @$(AR) rcs $@ $^
 108
 109 ifeq ($(UNAME),Cygwin)
 110 $(LIBRARY_PATH)/$(DLIB_PREFIX)$(LIBRARY_NAME)$(DLIB_SUFFIX).a: $(LIBRARY_PATH)/$(DLIB_PREFIX)$(CYGWIN_DLIBRARY_NAME)$(DLIB_SUFFIX)
 111 $(LIBRARY_PATH)/$(DLIB_PREFIX)$(CYGWIN_DLIBRARY_NAME)$(DLIB_SUFFIX): $(LIBOBJS)
 112         @echo "[LD DLL] $@"
 113         @$(LD) $(LIBCFLAGS) $(LIBLDFLAGS) $(CYGWIN_LIBLDFLAGS) -Wl,--whole-archive $^ -Wl,--no-whole-archive $(CYGWIN_LDLIBS_NOARCHIVE) -o $@
 114 else
 115 $(LIBRARY_PATH)/$(DLIB_PREFIX)$(LIBRARY_NAME)$(DLIB_SUFFIX): $(LIBOBJS)
 116         @echo "[LD ShO] $@"
 117         @$(LD) $(LIBCFLAGS) $(LIBLDFLAGS) $^ -o $@
 118 endif
 119
 120 #$(BINARY_NAME)$(BINARY_SUFFIX): $(OBJS) $(LIBOBJS)
 121 #       @echo "[LD ] $@"
 122 #       @$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
 123
 124 $(BINARY_NAME)$(BINARY_SUFFIX): $(OBJS) $(LIBRARY_PATH)/$(SLIB_PREFIX)$(LIBRARY_NAME)$(SLIB_SUFFIX)
 125         @echo "[LD ] $@"
 126         @$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
 127
 128 $(BINARY_NAME).static$(BINARY_SUFFIX): $(OBJS) $(LIBRARY_PATH)/$(SLIB_PREFIX)$(LIBRARY_NAME)$(SLIB_SUFFIX)
 129         @echo "[LD ] $@"
 130         @$(LD) $(CFLAGS) $(STATICLIBLDFLAGS) $^ $(LDLIBS) -o $@
 131
 132 ifeq ($(UNAME),Cygwin)
 133 $(BINARY_NAME).dynamic$(BINARY_SUFFIX): $(OBJS) $(LIBRARY_PATH)/$(DLIB_PREFIX)$(LIBRARY_NAME)$(DLIB_SUFFIX).a
 134 else
 135 $(BINARY_NAME).dynamic$(BINARY_SUFFIX): $(OBJS) $(LIBRARY_PATH)/$(DLIB_PREFIX)$(LIBRARY_NAME)$(DLIB_SUFFIX)
 136 endif
 137         @echo "[LD ] $@"
 138         @$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
 139
 140 $(OBJDIR)/%.o: $(SRC_PATH)/%.c $(DEPDIR)/%.d
 141         @echo "[C  ] $(notdir $*)"
 142         @$(CC) $(DEPFLAGS) $(CFLAGS) -c $< -o $@
 143         @$(POSTCOMPILE)
 144
 145 include $(wildcard $(patsubst %,$(DEPDIR)/%.d,$(basename $(SRCS))))
 146
 147 $(OBJDIR)/%.o: $(LIBRARY_PATH)/%.c $(DEPDIR)/%.d
 148         @echo "[C  ] $(notdir $*)"
 149         @$(CC) $(DEPFLAGS) $(LIBCFLAGS) -c $< -o $@
 150         @$(POSTCOMPILE)
 151
 152 include $(wildcard $(patsubst %,$(DEPDIR)/%.d,$(basename $(LIBSRCS))))
 153
 154 $(DEPDIR)/%.d: ;
 155
 156 .PRECIOUS: $(DEPDIR)/%.d
 157
 158 #FIXME: add an install target
 159
 160 clean:
 161         @echo "[CLN]"
 162         -@rm -r $(BUILDDIR)
 163         -@rm $(BINARY_NAME)$(BINARY_SUFFIX)
 164         -@rm $(BINARY_NAME).static$(BINARY_SUFFIX)
 165         -@rm $(BINARY_NAME).dynamic$(BINARY_SUFFIX)
 166         -@rm $(LIBRARY_PATH)/$(SLIB_PREFIX)$(LIBRARY_NAME)$(SLIB_SUFFIX)
 167 ifeq ($(UNAME),Cygwin)
 168         -@rm $(LIBRARY_PATH)/$(DLIB_PREFIX)$(CYGWIN_DLIBRARY_NAME)$(DLIB_SUFFIX)
 169         -@rm $(LIBRARY_PATH)/$(DLIB_PREFIX)$(LIBRARY_NAME)$(DLIB_SUFFIX).a
 170 else
 171         -@rm $(LIBRARY_PATH)/$(DLIB_PREFIX)$(LIBRARY_NAME)$(DLIB_SUFFIX)
 172 endif
 173
 174 disassemble: $(BINARY_NAME)$(BINARY_SUFFIX)
 175         objdump -d $< | less
 176
 177 symbols: $(BINARY_NAME)$(BINARY_SUFFIX)
 178         objdump -t $< | sort | less