使用Qt/qmake时如何将生成的文件(例如目标文件)放入单独的文件夹中? [英] How to put generated files (e.g. object files) into a separate folder when using Qt/qmake?

问题描述

我有一个使用qmake的Qt项目.为了提高清晰度和可读性，我想保留

I have a Qt project that uses qmake. To improve clarity and readability, I'd like to keep the

• 源文件
• 构建系统
• 生成的文件(例如目标文件)

分开.

所以我的第一步是将源文件放入src/子目录:

So my first step was putting the source files into a src/ sub directory:

myproject/
    myproject.pro
    src/
        main.cpp
        MainWindow.ui
        ...

这样，我从构建系统(* .pro)中分离了源文件.但是，当我随后依次运行qmake和make时，生成的文件(目标文件等)将放置在主项目文件夹中:

That way I separated the source files from the build system (*.pro). However, when I then run qmake followed by make, the generated files (object files, etc) are placed into the main project folder:

myproject/
    myproject.pro
    Makefile
    main.o
    ui_MainWindow.h
    ...
    src/
        main.cpp
        MainWindow.ui
        ...

好吧，至少它们没有放入src/文件夹中，但是如何指定将它们放入另一个子文件夹中，例如build/?

Well, at least they weren't put into the src/ folder, but how do I specify that they are put into another sub folder such as build/?

myproject/
    myproject.pro
    Makefile
    build/
        main.o
        ui_MainWindow.h
        ...
    src/
        main.cpp
        MainWindow.ui
        ...

(顺便说一句，我不在乎目标二进制文件myproject放在何处，但我想应该将其直接放置在项目文件夹中而不是build/中.)

(BTW, I don't care where the target binary myproject is put, but I guess it should be placed directly into project folder rather than into build/.)

推荐答案

您可以将以下行添加到您的*.pro文件中:

You can add the following lines to your *.pro file:

DESTDIR=bin #Target file directory
OBJECTS_DIR=generated_files #Intermediate object files directory
MOC_DIR=generated_files #Intermediate moc files directory

在以下位置可以找到变量列表:

A list of variables is available at the following locations:

• Qt 4.8
• Qt 5

• Qt 4.8
• Qt 5

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