A Simple Makefile Tutorial - Colby College - 974 Words. How To Write Makefile In Linux

A make file should be named either Makefile (first letter uppercase) or makefile (all lowercase). The make file should be in the same directory as the source code files. Aside: Make files can have other file names, but then you'll have to tell the make utility what the name of the make file is (using a commandline option).
You can't write multi-line bash scripts in Makefile.Every line is executed in new shell so you will lose context. Also the variables are evaluated as make variables. Rather store your code in separate bash script and run that from Makefile.It is not worth to abuse your bash script nor make to do that job. If you really want to have it in your Makefile, you need to make it one-line and escape.
A makefile is a special file (named as 'Makefile' only) that consists of targets, dependencies and commands, structured in a way that makes it easy for a programmer to compile the program. In a layman's terms, here is a very basic syntax of a makefile: target: dependencies.
If you really want to “write exactly bash scripts into Makefiles” then you'll need to do it a bit indirectly. If you just paste the script after the target line, then you'll run into two problems that just cannot be bypassed: the command lines need to be indented with a tab, and dollar signs need to be escaped.
To run this makefile on your files, type: make -f Makefile-1. On this first example we see that our target is called all. This is the default target for makefiles. The make utility will execute this target if no other one is specified. We also see that there are no dependencies for target all, so make safely executes the system commands specified.
Preparing Preparing and Running Make. To prepare to use make, you must write a file called the makefile that describes the relationships among files in your program and provides commands for updating each file. In a program, typically, the executable file is updated from object files, which are in turn made by compiling source files.

How to Use Variables. A variable is a name defined in a makefile to represent a string of text, called the variable's value.These values are substituted by explicit request into targets, prerequisites, commands, and other parts of the makefile.

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Download allfiles.zip - 13.2 KB; Introduction. I will describe how to write a makefile, that can compile a qt4 program on the raspberry pi (2). I will not describe, how intall all needed components (simply because I don’t have records about that and explanations on the internet were applicable. Feel free to provide that process and I will update the article :) ).

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Makefile - Example - This is an example of the Makefile for compiling the hello program. This program consists of three files main.cpp, factorial.cpp and hello.cpp.

Find answers to How to write a good makefile from the expert community at Experts Exchange.

Before learning how to write script in Linux, you need to know what are the script editors available in Linux that will be used to write the shell scripts. At the end of the post, you can decide which text editor you can use to write your own script.

Makefile Syntax A Makefile consists of a set of rules. A rule generally looks like this: targets: prerequisities command command command. The targets are file names, seperated by spaces. Typically, there is only one per rule. The commands are a series of steps typically used to make the target(s).

Makefiles in Linux: An Overview - CodeProject.