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Tutorial: Add version update instructions to Step 10

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Add instructions to update the cmake_minimum_required version to 3.15
just before the usage of COMPILE_LANG_AND_ID

Issue: #22663
This commit is contained in:
Joseph Snyder
2021-09-30 12:06:15 -04:00
committed by Brad King
parent 3d192b09d1
commit 5632933304
1 changed files with 10 additions and 0 deletions
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10
Help/guide/tutorial/Adding Generator Expressions.rst
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@@ -53,6 +53,16 @@ Would be replaced with:
:start-after: project(Tutorial VERSION 1.0)
:end-before: # add compiler warning flags just when building this project via
**Note**: This upcoming section will require a change to the
:command:`cmake_minimum_required` usage in the code. The Generator Expression
that is about to be used was introduced in `3.15`. Update the call to require
that more recent version:
.. code-block:: cmake
:caption: CMakeLists.txt
:name: CMakeLists.txt-version-update
cmake_minimum_required(VERSION 3.15)
Next we add the desired compiler warning flags that we want for our project. As
warning flags vary based on the compiler we use the ``COMPILE_LANG_AND_ID``