MakeFile

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what is Make ?

• Make is a scripting tool is used for building executable according to commands
• Make tool parse an input file " Makefile" to define rules that it will run
• two types of Make ( GNU Make - Borland Make)

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Why we need Make ?

• to organize the compilation process
• to run our tools and scripts
• to automate the process
• to be fully control on the outputs and its time

Basic Syntax

1. setting rule

 
 Target : prerequisites
<tab> Recipe

2. Define Variable

files = main.cpp
files += hello.cpp

3. substitute variable

echo $(files)

4. Disaple Echo

   Using @ ex :

@echo "hello"

5. Access Enviroment Variable

   it is accessible ex :

echo $(PATH)

6. Access shell commands

   example

     clean:
  		  
      @rm *.o
  		  @echo "`date` done" > log.txt

7. Access external scripts

   example

  test:
  		  python analysis.py