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Linux driver development kernel module compilation-Makefile getting started tutorial, driver development makefile

Linux driver development kernel module compilation-Makefile getting started tutorial, driver development makefile I. Module Compilation In the previous kernel compilation, we mentioned that driver compilation is dividedStatic CompilationAndDynamic CompilationStatic compilation is to directly compile the driver into the kernel, and dynamic compilation is to compi

Gnu makefile detailed tutorial-2: Makefile Overview

I. What is in Makefile? Makefile mainly contains five things:Explicit rules,Concealed rules,Variable definition,File indicationAndNote. 1,Explicit rules: Explicit rules demonstrate how to generate one or more target files. This is clearly pointed out by Makefile writers that the files to be generated, the dependent files of the files, and the generated commands.

Makefile Grammar Rules Tutorial __makefile

Makefile is important.What is makefile. Maybe a lot of WINODWS programmers don't know this, because the Windows IDE does the work for you, but I think that to be a good and professional programmer, Makefile still have to understand. It's like there are so many HTML editors now, but if you want to be a professional, you still have to understand the meaning of the

Overview of the Linux makefile tutorial [go]

Overview——What is makefile? Perhaps a lot of WINODWS programmers do not know this thing, because those Windows IDE has done this work for you, but I think to be a good and professional programmer, makefile still want to understand. It's like there are so many HTML editors now, but if you want to be a professional, you still have to understand the meaning of the HTML logo. Especially under the UNIX software

The writing rules of the Linux makefile Tutorial three [turn]

Writing rules————The rule contains two parts, one is a dependency, and the other is the method that generates the target.In Makefile, the order of the rules is important because, in makefile, there should only be one final goal, and the other targets are associated with this goal, so make sure to know what your ultimate goal is.In general, there may be many goals defined in

The general statement of the Linux makefile Tutorial two [turn]

Makefile General statement———————What's in makefile?Makefile contains five main things: explicit rules, cryptic rules, variable definitions, file instructions, and annotations.1, explicit rules. Explicit rules explain how to generate one or more target files. This is clearly indicated by the writer of the makefile, to

Linux Makefile Tutorial make run eight [go]

Run of Make——————In general, the simplest is to enter the make command directly at the command line, which will find the makefile of the current directory to execute, and everything is automatic. But sometimes you might just want make to recompile some files, not the whole project, and then you have several sets of compilation rules, you want to use different compilation rules at different times, and so on. This section describes how to use the Make c

Makefile Basic Tutorial 10

first, the experiment introduces--makefile variable This experiment will introduce the variable definition style of make, the substitution reference of variables, the use of environment variables, command line variables, target-specified variables, and the use of automation variables. 1.1 Experimental content of different variable styles and assignment style variable substitution references, environment variables, command line variables using the tar

Linux Makefile Tutorial Writing command four [go]

Writing commands————The commands in each rule are consistent with the command line of the operating system shell. Make will execute a command in a sequential order, and each command must begin with the [Tab] key, unless the command is immediately followed by a semicolon following the dependency rule. Spaces or empty rows between the command lines are ignored, but if the space or blank line starts with the TAB key, make considers it to be an empty command.We might use a different shell under Unix

Makefile Basic Tutorial 6

first, the introduction of the Experiment--makefile Rule Advanced (2) This experiment will introduce the method of using Wildcard,vpath,vpath,gpath,-lname in Makefile and the method of file path preservation. 1.1 Experiment Content function wildcard use of VPATH and VPATH use file path save and Gpath use-lname file use 1.2 experimental knowledge points cannot be used directly when variable definition or fu

The hidden rules of the Linux makefile Tutorial IX [turn]

Implied rules————When we use makefile, there are some things we will use very often, and the use of very high frequency, for example, we compile the source program C/s + + for intermediate target files (Unix is [. o] File, under Windows is [. obj] file). This chapter deals with some of the "hidden", previously agreed upon makefile rules that we do not need to write again.The "implied rule" is also a convent

The use of the Linux makefile tutorial variable five [go]

Using variables————The variable defined in makefile, like a macro in the C + + language, represents a text string that, when executed in makefile, automatically expands to the original mode as it is used. It differs from C/s + + in that you can change its value in makefile. In makefile, variables can be used in "target

Linux Makefile Tutorial after sequence 11 [go]

Post——Finally, it's time to write the concluding remarks, which are basically all the details of GNU make's makefile. Other producers ' make is basically that, no matter what make, is based on the document's dependence, its basic is to follow a standard. 80% of the technical details in this document apply to any make, I guess the "function" chapter may not be supported by other makes, and the implied rules, I think different made will have different i

The condition judgment of Linux makefile Tutorial six [turn]

values for the comparison parameters "Arg1" and "arg2" are the same, or true if they are different. Similar to "ifeq".The third conditional keyword is "ifdef". The syntax is:Ifdef If the value of the variable Example one:Bar =Foo = $ (bar)ifdef fooFrobozz = yesElseFrobozz = NoendifExample two:Foo =ifdef fooFrobozz = yesElseFrobozz = NoendifIn the first example, the "$ (frobozz)" value is "yes" and the second is "no".The fourth conditional keyword is "ifndef". Its syntax is:Ifndef I will not say

Linux Makefile Tutorial Function VII [GO]

Using functions————In makefile, you can use functions to manipulate variables to make our commands or rules more flexible and intelligent. The functions supported by make are not much, but they are sufficient for our operation. After a function call, the return value of the function can be used as a variable.The invocation syntax of a functionfunction calls, much like the use of variables, are also identified by "$", with the following syntax:$ (Or${H

Linux Makefile Tutorial Update function library file 10 [go]

call makefile in the form of "make FOO.A (BAR.O)", the implied rules go to the "bar.o" rule, and if there is no rule to define BAR.O, then the built-in implication rules take effect, Make will go to the bar.c file to generate the BAR.O, and if you can find it, the command you want to execute is roughly the following:Cc-c Bar.c-o BAR.OAR R foo.a bar.oRm-f BAR.OAnother variable to note is "$%", which is an automation variable for a proprietary library

Makefile and makefile

Makefile and makefile At first, I will intercept a piece of nonsense about how to learn makefile. If you don't want to listen, please jump directly to my makefile tutorial. First of all, we must first explain that learning makefile

Makefile Third: terminal transfer value to makefile, makefile to C + + code

Summary terminal value to makefile, how to pass? Simply enter the following command at the terminal, then you can safely use the $ (ABCDE) variable in the makefile file, which has a value of BBBMakefileFun.h#include class Test {public: void static display(const char *str);};Fun.cpp#include "fun.h"void Test::display(const char *str) { std::cout Main.cpp#include "fun.h"int main() {#if defined AAA Test::dis

Makefile Handouts (1)--makefile Basics (Overview)

Recently in learning Linux under the C programming, bought a called "Linux environment in the C Programming Guide" read to makefile more and more confused, may be my understanding can not. So Google came to the following article. Plain and easy to understand. Then post it for easy learning. PostScript, read this article and the "Linux environment in the C Programming Guide," The makefile chapter of the asto

[LINUX Network Programming] Makefile and network programming makefile

[LINUX Network Programming] Makefile and network programming makefile Some Reading Notes in Chapter 2nd of Linux Network Programming (version 2) Makefile: defines a series of rules in a project that contains a large number of files to specify the sequence of compiled files, which can be used to manage projects. Makefile

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