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Merge branch 'backport-cmake-warn-no-src-build-dir'

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Brad King 2019-01-22 14:46:56 -05:00
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Help/release/3.13.rst
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@ -252,3 +252,29 @@ Changes made since CMake 3.13.0 include the following.
directories to the ``moc`` tool for :prop_tgt:`AUTOMOC`. This has
been reverted due to regressing existing builds and will need
further investigation before being re-introduced in a later release.
3.13.3
------
* The :generator:`Visual Studio 15 2017` generator has been fixed to work
when VS 2019 is installed.
* CMake now checks that at least one of the source or binary directory
is specified when running CMake and issues an error if both are missing.
This has always been a documented requirement, but the implementation
previously accidentally accepted cases in which neither are specified
so long as some other argument is given, and silently used the current
working directory as the source and build tree.
3.13.4
------
* The error added by 3.13.3 in cases that neither a source or binary
directory is specified has been downgraded to a warning. While this
was never intended, documented, nor supported behavior, some projects
relied on it. The error has been downgraded to a warning for the
remainder of the 3.13.x release series to allow a transition period,
but it may become a fatal error again in a later release. Scripts
relying on the old behavior can be trivially fixed by specifying
the path to the source tree (even if just ``.``) explicitly and
continue to work with all versions of CMake.