simple Makefile with dependency files

{{cookiecutter.project_name}}/Makefile

@@ -0,0 +1,57 @@
+CC = gcc
+CXX = g++
+LD = g++
+CXXFLAGS := -std=gnu++20 -Wall -Werror -Wpointer-arith -Wfatal-errors
+CXXFLAGS += -flto -O3
+#CXXFLAGS += -ggdb3
+
+CFLAGS = -Wall -Werror -Wpointer-arith -Wfatal-errors
+
+ifdef LINK_MOSTLY_STATIC
+LDFLAGS := -static-libstdc++ -Wl,-Bstatic -lboost_program_options
+LDFLAGS += -Wl,-Bdynamic -lpthread -ldl
+LDFLAGS += -Wl,--exclude-libs,ALL
+else
+LDFLAGS = -lboost_program_options
+endif
+
+BUILDDIR = build
+
+OBJECTS =
+
+DEPS := $(OBJECTS:.o=.d) $(BUILDDIR)/{{cookiecutter.app_name}}.d
+
+
+all: $(BUILDDIR)/{{cookiecutter.app_name}}
+
+
+$(BUILDDIR)/{{cookiecutter.app_name}}: $(OBJECTS) $(BUILDDIR)/{{cookiecutter.app_name}}.o
+	@mkdir -p $(dir $@)
+	@echo link $@
+	@$(LD) $(CXXFLAGS) $^ -o $@ $(LDFLAGS)
+
+
+$(BUILDDIR)/%.o: src/%.cpp Makefile
+	@mkdir -p  $(dir $@)
+	@echo compile $@
+	@$(CXX) $(CXXFLAGS) -MQ $@ -MM -MF $(patsubst %.o,%.d,$@) $<
+	@$(CXX) $(CXXFLAGS) -c $< -o $@
+
+
+$(BUILDDIR)/%.o: src/%.c Makefile
+	@mkdir -p  $(dir $@)
+	@echo compile $@
+	@$(CC) $(CFLAGS) -MQ $@ -MM -MF $(patsubst %.o,%.d,$@) $<
+	@$(CC) $(CFLAGS) -c $< -o $@
+
+
+install: $(BUILDDIR)/{{cookiecutter.app_name}}
+	install -m 0755 $^ $(DESTDIR)/usr/bin
+
+
+clean:
+	rm -r build/
+
+
+-include $(DEPS)
+