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makefile_asciiid
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# VAR := expands during assignment
# VAR = expands when referenced
# output binary
BIN := .run/asciiid
# source files
SRCS := asciiid.cpp \
term.cpp \
x11.cpp \
sdl.cpp \
urdo.cpp \
game.cpp \
enemygen.cpp \
render.cpp \
terrain.cpp \
world.cpp \
inventory.cpp \
physics.cpp \
sprite.cpp \
texheap.cpp \
rgba8.cpp \
upng.c \
tinfl.c \
gl.c \
gl45_emu.cpp \
imgui_impl_opengl3.cpp \
imgui/imgui.cpp \
imgui/imgui_demo.cpp \
imgui/imgui_draw.cpp \
imgui/imgui_widgets.cpp
LDLIBS := -lGL -lX11 -lXinerama -lutil -lSDL2
# files included in the tarball generated by 'make dist' (e.g. add LICENSE file)
DISTFILES := $(BIN)
# filename of the tar archive generated by 'make dist'
DISTOUTPUT := $(BIN).tar.gz
# intermediate directory for generated object files
OBJDIR := .o_asciiid
# intermediate directory for generated dependency files
DEPDIR := .d_asciiid
# object files, auto generated from sourcce files
OBJS := $(patsubst %,$(OBJDIR)/%.o,$(basename $(SRCS)))
# dependency files, auto generated from source files
DEPS := $(patsubst %,$(DEPDIR)/%.d,$(basename $(SRCS)))
# compilers (at least gcc and clang) don't create the subdirectories automatically
$(shell mkdir -p $(dir $(OBJS)) >/dev/null)
$(shell mkdir -p $(dir $(DEPS)) >/dev/null)
# C compiler
CC := gcc
# C++ compiler
CXX := g++
# linker
LD := g++
# tar
TAR := tar
# C flags
CFLAGS :=
# C++ flags
CXXFLAGS :=
# C/C++ flags
# CPPFLAGS := -save-temps=obj -pthread -DEDITOR -O3 -DUSE_SDL
CPPFLAGS := -g -save-temps=obj -pthread -DEDITOR -DUSE_SDL
# CPPFLAGS := -g -save-temps=obj -pthread -DEDITOR -DUSE_SDL -fsanitize=address
# linker flags
LDFLAGS := -save-temps=obj -pthread -O3
# LDFLAGS := -g -save-temps=obj -pthread -O3
# LDFLAGS := -g -save-temps=obj -pthread -fsanitize=address
# flags required for dependency generation; passed to compilers
DEPFLAGS = -MT $@ -MD -MP -MF $(DEPDIR)/$*.Td
# compile C source files
COMPILE.c = $(CC) $(DEPFLAGS) $(CFLAGS) $(CPPFLAGS) -c -o $@
# compile C++ source files
COMPILE.cc = $(CXX) $(DEPFLAGS) $(CXXFLAGS) $(CPPFLAGS) -c -o $@
# link object files to binary
LINK.o = $(LD) $(LDFLAGS) -o $@
# precompile step
PRECOMPILE =
# postcompile step
POSTCOMPILE = mv -f $(DEPDIR)/$*.Td $(DEPDIR)/$*.d
all: $(BIN)
dist: $(DISTFILES)
@$(TAR) -cvzf $(DISTOUTPUT) $^
# $(BUILD)
.PHONY: clean
clean:
@$(RM) -r $(OBJDIR) $(DEPDIR)
# $(BUILD)
.PHONY: distclean
distclean: clean
@$(RM) $(BIN) $(DISTOUTPUT)
# $(BUILD)
.PHONY: install
install:
@echo no install tasks configured
.PHONY: uninstall
uninstall:
@echo no uninstall tasks configured
.PHONY: check
check:
@echo no tests configured
.PHONY: help
help:
@echo available targets: all dist clean distclean install uninstall check
$(BIN): $(OBJS)
@echo Linking: $(BIN)
@$(LINK.o) $^ $(LDLIBS)
$(OBJDIR)/%.o: %.c
$(OBJDIR)/%.o: %.c $(DEPDIR)/%.d
@echo Comiling $<
@$(PRECOMPILE)
@$(COMPILE.c) $<
@$(POSTCOMPILE)
$(OBJDIR)/%.o: %.cpp
$(OBJDIR)/%.o: %.cpp $(DEPDIR)/%.d
@echo Comiling $<
@$(PRECOMPILE)
@$(COMPILE.cc) $<
@$(POSTCOMPILE)
$(OBJDIR)/%.o: %.cc
$(OBJDIR)/%.o: %.cc $(DEPDIR)/%.d
@echo Comiling $<
@$(PRECOMPILE)
@$(COMPILE.cc) $<
@$(POSTCOMPILE)
$(OBJDIR)/%.o: %.cxx
$(OBJDIR)/%.o: %.cxx $(DEPDIR)/%.d
@echo Comiling $<
@$(PRECOMPILE)
@$(COMPILE.cc) $<
@$(POSTCOMPILE)
.PRECIOUS = $(DEPDIR)/%.d
$(DEPDIR)/%.d: ;
-include $(DEPS)