/CMake 3.15


The homepage URL of the top level project.

This variable holds the homepage URL of the project as specified in the top level CMakeLists.txt file by a project() command. In the event that the top level CMakeLists.txt contains multiple project() calls, the most recently called one from that top level CMakeLists.txt will determine the value that CMAKE_PROJECT_HOMEPAGE_URL contains. For example, consider the following top level CMakeLists.txt:

cmake_minimum_required(VERSION 3.0)
project(First HOMEPAGE_URL "http://first.example.com")
project(Second HOMEPAGE_URL "http://second.example.com")
project(Third HOMEPAGE_URL "http://third.example.com")

And sub/CMakeLists.txt with the following contents:

project(SubProj HOMEPAGE_URL "http://subproj.example.com")

The most recently seen project() command from the top level CMakeLists.txt would be project(Second ...), so this will print:

CMAKE_PROJECT_HOMEPAGE_URL = http://second.example.com

To obtain the homepage URL from the most recent call to project() in the current directory scope or above, see the PROJECT_HOMEPAGE_URL variable.

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