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This removes duplicated code for per-config variable initialization by
providing a `cmake_initialize_per_config_variable(<PREFIX> <DOCSTRING>)`
function.

This function initializes a `<PREFIX>` cache variable from `<PREFIX>_INIT`
and unless the `CMAKE_NOT_USING_CONFIG_FLAGS` variable is defined, does
the same with `<PREFIX>_<CONFIG>` from `<PREFIX>_<CONFIG>_INIT` for every
`<CONFIG>` in `CMAKE_CONFIGURATION_TYPES` for multi-config generators or
`CMAKE_BUILD_TYPE` for single-config generators.

Fixes #17177.

Add a `Fortran_COMPILER_LAUNCHER` target property like those added for C
and CXX by commit v3.4.0-rc1~450^2 (Add options to launch the compiler
through tools like ccache or distcc, 2015-06-04) and CUDA by commit
v3.10.0-rc1~531^2 (CUDA: Add option to run the compiler through launcher
tools, 2017-06-09).

Fixes: #17499

Use its value to initialize the `CUDA_SEPARABLE_COMPILATION` target
property when targets are created.

Fixes: #17478

The purpose of this new `IMPORTED_GLOBAL` target-property is to prolong
the lifetime and scope of `IMPORTED` targets in such a way as if they
had been created with the keyword `GLOBAL` in the first place.

* It can only be set to `TRUE`. That means, a local `IMPORTED` target
  can be promoted to global scope but a global `IMPORTED` target cannot
  be degraded to local scope!
* Setting it to `TRUE` only succeeds if done from within the same
  directory in which the `IMPORTED` target was created in the first
  place.

Fixes #17256.

Christian Pfeiffer authored Oct 23, 2017 and Brad King committed Oct 23, 2017

Fixes: #17380

This property is meant to be set on the consumers of imported targets,
not the imported targets themselves.

Fixes: #17348

Also adds the documentation for CMAKE_<LANG>_COMPILER_PREDEFINES_COMMAND.

Closes #17275

Robert Maynard authored Sep 26, 2017 and Brad King committed Sep 26, 2017

Starting in CUDA 9 the default compilation mode is C++14, and you need
to explicitly enable C++98/03 mode.

While at it, document `14` among the values for `CUDA_STANDARD`.  This
was accidentally left out of commit v3.9.0-rc1~118^2 (CUDA: Add support
for the C++14 standard flag, 2017-05-11).

Bill Hoffman authored Aug 16, 2017 and Brad King committed Aug 30, 2017

Create a `<LANG>_CPPCHECK` target property (initialized by a
`CMAKE_<LANG>_CPPCHECK` variable) to specify a `cppcheck` command line
to be run along with the compiler.

Michael Stürmer authored Apr 07, 2017 and Brad King committed Jun 13, 2017

Fixes: #16689

Add a `CUDA_COMPILER_LAUNCHER` target property like those added for C
and CXX by commit v3.4.0-rc1~450^2 (Add options to launch the compiler
through tools like ccache or distcc, 2015-06-04).

Fixes: #16953

The change in commit v3.9.0-rc1~42^2~1 (Autogen: Per-config file
suffixes, 2017-05-15) broke Visual Studio builds because the generators
do not yet fully support per-config sources.  Disable the behavior on
Visual Studio generators for now.

Fixes: #16939

Closes #14760
Closes #14313

If a static library has the property CUDA_RESOLVE_DEVICE_SYMBOLS enabled
it will now perform the device link step. The normal behavior is
to delay calling device link until the static library is consumed by
a shared library or an executable.

Robert Maynard authored Mar 23, 2017 and Brad King committed Apr 20, 2017

When the target property `CUDA_PTX_COMPILATION` is enabled CUDA OBJECT
libraries will generate ptx files instead of object files.

This generator has been deprecated since CMake 3.6.  Remove it.

Robert Maynard authored Mar 23, 2017 and Brad King committed Apr 18, 2017

Teach install() and export() to handle the actual object files.
Disallow this on Xcode with multiple architectures because it
still cannot be cleanly supported there.

Co-Author: Brad King <brad.king@kitware.com>

Craig Scott authored Apr 09, 2017 and Brad King committed Apr 10, 2017

Variable CMAKE_CROSSCOMPILING_EMULATOR is used to initialize
CROSSCOMPILING_EMULATOR.

Issue: #16785

The `WINDOWS_EXPORT_ALL_SYMBOLS` target property exports all symbols
found in object files explicitly given to the linker.  However, the
linker may also find additional symbols in dependencies and copy them
into the linked binary (e.g. from `msvcrt.lib`).  Provide a way to
export an explicit list of such symbols by adding a `.def` file as a
source file.

Fixes: #16473

Sebastian Holtermann authored Feb 19, 2017 and Brad King committed Feb 21, 2017

Closes #15254

BUILD_WITH_INSTALL_RPATH, SKIP_BUILD_RPATH, CMAKE_SKIP_RPATH and
CMAKE_SKIP_INSTALL_RPATH no longer any effect on the install name
of a target on macOS.

Fixes: #16589