Simple and intelligent searching for makefile of source files

If you are looking for a makefile for a simple and intelligent source file, you may see the following demo:

For example, if you have a directory where only a binary file is generated and the source code is all here, you can tryThe first version
Makefile

# Makefile, 2012-06-15 T1738# TODO# ----------------------------------NAME        = AppDemoVERSION     = 1.0.0RELEASE     = 01# ----------------------------------BIN         = $(NAME)OBJS        = $(patsubst %.cpp,%.o,$(wildcard $(SRC_DIR)/*.cpp))# TODO# BEGIN ----------------------------------# FoldersSRC_DIR     = .# FlagsCXXFLAGS    = -WallCXXFLAGS   += -I$(SRC_DIR)CPPFLAGS    = -D_DEBUGLDFLAGS     = -L$(SRC_DIR)LIBS        = -lpthread# END ----------------------------------.PHONY: all cleanall: $(BIN)$(BIN): $(OBJS)$(CXX) $(CPPFLAGS) $(LDFLAGS) $^ -o $@ $(LIBS)%.o: %.cpp$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $^ -o $@clean:$(RM) $(OBJS) $(BIN)

The Directory should include:

$ls --colormain.cpp  makefile

Here, Main. cpp is a hello World applet, which is compiled and run below

$makeg++ -Wall -I. -D_DEBUG -c main.cpp -o main.og++ -D_DEBUG -L. main.o -o AppDemo -lpthread$ls --colorAppDemo  main.cpp  main.o  makefile$./AppDemoHello World!

Okay. You can also add a source code without modifying makefile. For example, add an interface file helloworld. cpp to encapsulate the sayhelloworld () method.

Helloworld. h

// HelloWorld.h#ifndef _HELLOWORLD_H#define _HELLOWORLD_Hvoid sayHelloWorld();#endif

Helloworld. cpp

// HelloWorld.cpp#include "HelloWorld.h"#include <iostream>void sayHelloWorld() {  std::cout << "Hello World!" << std::endl;}

And the modified main. cpp

// main.cpp#include "HelloWorld.h"int main(int argc, char **argv) {  sayHelloWorld();  return 0;}

Clean up the site and compile and run again:

$make cleanrm -f ./HelloWorld.o ./main.o AppDemo$makeg++ -Wall -I. -D_DEBUG -c HelloWorld.cpp -o HelloWorld.og++ -Wall -I. -D_DEBUG -c main.cpp -o main.og++ -D_DEBUG -L. HelloWorld.o main.o -o AppDemo -lpthread$./AppDemoHello World!

Very nice. Next time I will study its upgraded version ~~~ (Different requirements, different versions, but the cornerstone of unification !)

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