throttle/Makefile at master · aaronpuchert/throttle · GitHub

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# Installation settings, max be overwritten
PREFIX ?= /usr/local
CONFIG_DIR ?= /etc
COMMAND_PIPE ?= /run/throttle

# Compiler and linker flags
CXXFLAGS += -Wall -Wextra -std=c++11
OPTFLAGS ?= -O3
LFLAGS = -Wall $(LIBOPTIONS)

# Files and libraries
SOURCES := main.cpp throttle.cpp conf.cpp
CPPS := $(patsubst %,src/%,$(SOURCES))
OBJS := $(patsubst %.cpp, %.o, $(CPPS))
DEBUG_OBJS := $(patsubst %.cpp, %-debug.o, $(CPPS))

LIBS :=
LIBOPTIONS := $(patsubst %, -l%, $(LIBS))

# Derive systemd directories from prefix.
ifeq ($(PREFIX),/usr)
  SYSTEMD := /usr/lib/systemd/system
  TMPFILES := /usr/lib/tmpfiles.d
else
  SYSTEMD := /etc/systemd/system
  TMPFILES := /etc/tmpfiles.d
endif

DEBUG_CORES := 2

# Compiling
throttle: $(OBJS) throttle.conf
	$(CXX) $(LFLAGS) -o throttle $(OBJS)

$(OBJS): %.o: %.cpp src/throttle.hpp
	$(CXX) -c -DNDEBUG $(OPTFLAGS) $(CXXFLAGS) -o $@ $<

# Configuration
throttle.conf:
	./config >throttle.conf

# Debug
debug: debug/throttle debug/throttle.conf debug/pipe

debug/:
	mkdir -p debug

debug/throttle: $(DEBUG_OBJS)
	$(CXX) -g $(LFLAGS) -o $@ $(DEBUG_OBJS)

$(DEBUG_OBJS): %-debug.o: %.cpp src/throttle.hpp | debug/
	$(CXX) -c -g $(CXXFLAGS) -o $@ $<

debug/throttle.conf: | debug/
	(cd debug; ../config $(DEBUG_CORES) >throttle.conf)

debug/pipe: | debug/
	[ -p debug/pipe ] || mkfifo debug/pipe

# Installation
install: throttle
	@install --verbose --strip --owner=root throttle $(PREFIX)/sbin
	@install --verbose --mode=644 --owner=root throttle.conf $(CONFIG_DIR)
	@sed "{s|PREFIX|$(PREFIX)|g; s|CONFIG_FILE|$(CONFIG_DIR)/throttle.conf|g; s|PIPE|$(COMMAND_PIPE)|g}" \
	    throttle.service >$(SYSTEMD)/throttle.service
	@echo "p $(COMMAND_PIPE) 660 root users - -" >$(TMPFILES)/throttle.conf

uninstall:
	-rm $(PREFIX)/sbin/throttle
	-rm $(CONFIG_DIR)/throttle.conf
	-rm $(SYSTEMD)/throttle.service
	-rm $(TMPFILES)/throttle.conf

# Cleaning up
clean:
	-rm src/*.o throttle debug/throttle
	-rm debug/cpu*freq debug/temp_input debug/pipe
	-rm throttle.conf debug/throttle.conf

.PHONY: debug install uninstall clean