Makefile modify

[fatalfeel]

#auto add thread predefine and faster code
#https://stackoverflow.com/questions/23250863/difference-between-pthread-and-lpthread-while-compiling

TARGET1 = rtsp_server
TARGET2 = rtsp_pusher
TARGET3 = rtsp_h264_file

CROSS_COMPILE =
CXX = $(CROSS_COMPILE)g++
CC = $(CROSS_COMPILE)gcc
#STRIP = $(CROSS_COMPILE)strip

INC = -I$(shell pwd)/src/ -I$(shell pwd)/src/net -I$(shell pwd)/src/xop -I$(shell pwd)/src/3rdpart
LIB =

#DEUBG = -D_DEBUG
#LD_FLAGS = -lrt -pthread -lpthread -ldl -lm $(DEBUG)
#CXX_FLAGS = -std=c++11
#O_FLAG = -O2
CXX_FLAGS = -O3 -g -fPIC -pthread -fmessage-length=0 -std=c++14
LD_FLAGS = -ldl -lm -lrt -lpthread
OBJS_PATH = objs

SRC1 = $(notdir $(wildcard ./src/net/*.cpp))
OBJS1 = $(patsubst %.cpp,$(OBJS_PATH)/%.o,$(SRC1))

SRC2 = $(notdir $(wildcard ./src/xop/*.cpp))
OBJS2 = $(patsubst %.cpp,$(OBJS_PATH)/%.o,$(SRC2))

SRC3 = $(notdir $(wildcard ./example/rtsp_server.cpp))
OBJS3 = $(patsubst %.cpp,$(OBJS_PATH)/%.o,$(SRC3))

SRC4 = $(notdir $(wildcard ./example/rtsp_pusher.cpp))
OBJS4 = $(patsubst %.cpp,$(OBJS_PATH)/%.o,$(SRC4))

SRC5 = $(notdir $(wildcard ./example/rtsp_h264_file.cpp))
OBJS5 = $(patsubst %.cpp,$(OBJS_PATH)/%.o,$(SRC5))

$(OBJS_PATH)/%.o : ./example/%.cpp
$(CXX) $(CXX_FLAGS) $(INC) -c $< -o $@
$(OBJS_PATH)/%.o : ./src/net/%.cpp
$(CXX) $(CXX_FLAGS) $(INC) -c $< -o $@
$(OBJS_PATH)/%.o : ./src/xop/%.cpp
$(CXX) $(CXX_FLAGS) $(INC) -c $< -o $@

$(TARGET1) : $(OBJS1) $(OBJS2) $(OBJS3)
$(CXX) $(CXX_FLAGS) $^ -o $@ $(LD_FLAGS)
$(TARGET2) : $(OBJS1) $(OBJS2) $(OBJS4)
$(CXX) $(CXX_FLAGS) $^ -o $@ $(LD_FLAGS)
$(TARGET3) : $(OBJS1) $(OBJS2) $(OBJS5)
$(CXX) $(CXX_FLAGS) $^ -o $@ $(LD_FLAGS)

BUILD_DIR:
@-mkdir -p $(OBJS_PATH)

all: BUILD_DIR $(TARGET1) $(TARGET2) $(TARGET3)

clean:
-rm -rf $(OBJS_PATH) $(TARGET1) $(TARGET2) $(TARGET3)