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Disable examples and tests when a subproject

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This changes the default value of the GLFW_BUILD_EXAMPLES and
GLFW_BUILD_TESTS CMake options to false when GLFW is being added as
a subdirectory by another CMake project.

If you want the previous behavior, force these options to true before
adding the GLFW subdirectory:

set(GLFW_BUILD_EXAMPLES ON CACHE BOOL "" FORCE)
set(GLFW_BUILD_TESTS ON CACHE BOOL "" FORCE)
add_subdirectory(path/to/glfw)

Doing this is backward compatible with earlier versions of GLFW.

The GLFW_BUILD_DOCS option is left enabled as it also requires Doxygen
to have any effect, is quicker to build and is more likely to be useful
when GLFW is a subproject.
This commit is contained in:
Camilla Löwy
2019-05-08 19:04:21 +02:00
parent cd290f767f
commit 8ee589e43b
5 changed files with 27 additions and 16 deletions
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docs/news.dox
+14
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@@ -11,6 +11,20 @@
@subsection caveats_34 Caveats for version 3.4
@subsubsection standalone_34 Tests and examples are disabled when built as a sub-project
GLFW now does not build the tests and examples when it is added as
a subdirectory of another CMake project. To enable these, set the @ref
GLFW_BUILD_TESTS and @ref GLFW_BUILD_EXAMPLES cache variables before adding the
GLFW subdirectory.
@code{.cmake}
set(GLFW_BUILD_EXAMPLES ON CACHE BOOL "" FORCE)
set(GLFW_BUILD_TESTS ON CACHE BOOL "" FORCE)
add_subdirectory(path/to/glfw)
@endcode
@subsection deprecations_34 Deprecations in version 3.4
@subsection removals_34 Removals in 3.4