如何在不运行configure脚本/ cmake的情况下修改安装路径 [英] how to modify the install-path without running the configure script/cmake again

问题描述

我正在开发一个需要大量时间（10-15分钟）构建的项目。我已经重新编译，以验证是否存在编译错误。现在我想更改安装目录，以便我有一个新版本的可执行文件与新的更改。是否有一种方法只是修改安装路径，使make install安装到新位置而不是旧位置？

I am working on a project which takes considerable time to build (10-15) minutes. I have recompiled to verify if there is a compilation error. Now I want to change the install directory so that I have a new version of executable with the new changes. Is there a method to just modify the install path so that the 'make install' installs to a new location rather than the old one?

推荐答案

CMake生成的makefile支持makefiles的 DESTDIR编码约定。因此，您可以通过在调用make时设置 DESTDIR 变量来覆盖默认安装位置：

CMake generated makefiles support the DESTDIR coding convention for makefiles. Thus you can override the default installation location by setting the DESTDIR variable upon invoking make:

$ make install DESTDIR=/opt/local

无需重新运行CMake。

There is no need to re-run CMake.

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