| 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=exo2 |
| 15 | LIBOBJS=clist.o ui.o# object to put in the library |
| 16 | LIBRARY_NAME=libtpC |
| 17 | #LDLIBS=-L. -ltpC |
| 18 | BUILD_TYPE=debug |
| 19 | |
| 20 | # ==================================== |
| 21 | # DO NOT CHANGE STUFF BEYOND THIS LINE |
| 22 | # ==================================== |
| 23 | |
| 24 | all: $(BINARY_NAME) $(BINARY_NAME).dynamic $(BINARY_NAME).staticlocal |
| 25 | |
| 26 | CC=gcc |
| 27 | LD=gcc |
| 28 | AR=ar |
| 29 | |
| 30 | WARN_FLAGS = -Wall -Wextra |
| 31 | STD_FLAG = -std=c11 |
| 32 | |
| 33 | ifeq ($(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 | OPTIFLAG = -O3 |
| 43 | endif |
| 44 | |
| 45 | #FIXME: Add a way to better control the library build |
| 46 | CFLAGS := -fPIC $(CFLAGS) $(WARN_FLAGS) $(STD_FLAG) $(OPTI_FLAG) $(DEBUG_FLAG) |
| 47 | LDFLAGS := $(LDFLAGS) $(STRIP_FLAG) |
| 48 | LIBLDFLAGS := -shared $(LDFLAGS) |
| 49 | |
| 50 | OBJDIR := $(BUILDDIR)/objs |
| 51 | $(shell mkdir -p $(OBJDIR)) |
| 52 | |
| 53 | SRCS=$(wildcard *.c) |
| 54 | OBJS=$(patsubst %.c,$(OBJDIR)/%.o,$(SRCS)) |
| 55 | OBJSLIB=$(addprefix $(OBJDIR)/,$(LIBOBJS)) |
| 56 | |
| 57 | DEPDIR := $(BUILDDIR)/deps |
| 58 | $(shell mkdir -p $(DEPDIR)) |
| 59 | DEPFLAGS = -MT $@ -MMD -MP -MF $(DEPDIR)/$*.Td |
| 60 | POSTCOMPILE = mv -f $(DEPDIR)/$*.Td $(DEPDIR)/$*.d |
| 61 | |
| 62 | $(LIBRARY_NAME).a: $(OBJSLIB) |
| 63 | @echo "[AR StO] $@" |
| 64 | @$(AR) rcs $@ $^ |
| 65 | |
| 66 | $(LIBRARY_NAME).so: $(OBJSLIB) |
| 67 | @echo "[LD ShO] $@" |
| 68 | @$(LD) $(CFLAGS) $(LIBLDFLAGS) $^ $(LDLIBS) -o $@ |
| 69 | |
| 70 | $(BINARY_NAME): $(OBJS) |
| 71 | @echo "[LD ] $@" |
| 72 | @$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@ |
| 73 | |
| 74 | LOCALLDLIBS=-L. -ltpC |
| 75 | $(BINARY_NAME).staticlocal: $(OBJDIR)/$(BINARY_NAME).o $(LIBRARY_NAME).a |
| 76 | @echo "[LD ] $@" |
| 77 | @$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LOCALLDLIBS) $(LDLIBS) -o $@ |
| 78 | |
| 79 | $(BINARY_NAME).dynamic: $(OBJDIR)/$(BINARY_NAME).o $(LIBRARY_NAME).so |
| 80 | @echo "[LD ] $@" |
| 81 | @$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LOCALLDLIBS) $(LDLIBS) -o $@ |
| 82 | |
| 83 | $(OBJDIR)/%.o: %.c $(DEPDIR)/%.d |
| 84 | @echo "[C ] $*" |
| 85 | @$(CC) $(DEPFLAGS) $(CFLAGS) -c $< -o $@ |
| 86 | @$(POSTCOMPILE) |
| 87 | |
| 88 | $(DEPDIR)/%.d: ; |
| 89 | |
| 90 | .PRECIOUS: $(DEPDIR)/%.d |
| 91 | |
| 92 | include $(wildcard $(patsubst %,$(DEPDIR)/%.d,$(basename $(SRCS)))) |
| 93 | |
| 94 | clean: |
| 95 | @echo "[CLN]" |
| 96 | -@rm -r $(BUILDDIR) |
| 97 | -@rm $(BINARY_NAME) |
| 98 | -@rm $(BINARY_NAME).staticlocal |
| 99 | -@rm $(BINARY_NAME).dynamic |
| 100 | -@rm $(LIBRARY_NAME).so |
| 101 | -@rm $(LIBRARY_NAME).a |
| 102 | |
| 103 | disassemble: $(BINARY_NAME) |
| 104 | objdump -d $< | less |
| 105 | |
| 106 | symbols: $(BINARY_NAME) |
| 107 | objdump -t $< | sort | less |