Update the documentation added by commit c257c25419
(add_custom_{command,target}: Add genex support to OUTPUT and
BYPRODUCTS, 2020-10-19) to use sphinx markup instead of prose to specify
the version in which the feature was added.
The target property `ISPC_HEADER_SUFFIX` and associated global
variable now can control the suffix used when generating the
C/C++ interoperability ISPC headers.
In addition the default suffix is now "_ispc.h" which matches the
common convention that the ISPC compiler team uses and recommends.
b7f0327dcd Tests: Cover macOS host architecture selection on Apple Silicon hosts
5f882f6ce5 macOS: Offer control over host architecture on Apple Silicon hosts
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !5589
b7f0327dcd Tests: Cover macOS host architecture selection on Apple Silicon hosts
5f882f6ce5 macOS: Offer control over host architecture on Apple Silicon hosts
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !5589
Move rejection of `#`, `<`, and `>` characters in outputs and byproducts
to a generate-time check. This removes the front-end check that
disallowed generator expressions. The generators have already been
updated to handle them.
Fixes: #12877
The CMAKE_MINIMUM_REQUIRED_VERSION has long been set by
the cmake_minimum_required() command, but the command docs
never mentioned this. Only the variable's own docs stated this but
the variable isn't very discoverable without it being mentioned in
the command's docs as well.
Since commit b6c60f14b6 (macOS: Default to arm64 architecture on Apple
Silicon hosts, 2020-09-28, v3.19.0-rc1~63^2) we use `sysctl` to detect
that we are running on Apple Silicon in a way that pierces Rosetta.
This always sets `CMAKE_HOST_SYSTEM_PROCESSOR` to be `arm64` on such
hosts. However, macOS offers strong support for running processes under
an emulated `x86_64` architecture.
Teach CMake to select either `arm64` or `x86_64` as the host
architecture on Apple Silicon based on the architecture of its own
process. When CMake is built as a universal binary, macOS will select
whichever slice (architecture) is appropriate under the user's shell,
and `CMAKE_HOST_SYSTEM_PROCESSOR` will match.
Also offer a `CMAKE_APPLE_SILICON_PROCESSOR` variable and environment
variable to provide users with explicit control over the host
architecture selection regardless of CMake's own architecture.
Finally, if `CMAKE_OSX_ARCHITECTURES` is not set, pass explicit flags to
the toolchain to use selected host architecture instead of letting the
toolchain pick.
Fixes: #21554
Revert commit 887f3a88a6 (Intel: Add Intel DPC++ compiler
identification, 2020-09-21, v3.19.0-rc1~124^2). The compiler has
already been released, and is more usable with CMake by pretending to be
upstream Clang than by identifying it as a compiler for which we have
not implemented support.
Fixes: #21551
Revert commit 5c3a93ab88 (Intel: Add Intel Clang compiler
identification, 2020-09-29, v3.19.0-rc1~68^2). The compiler has already
been released, and is more usable with CMake by pretending to be
upstream Clang than by identifying it as a compiler for which we have
not implemented support.
Issue: #21551
48aac247e9 Compile with explicit language flag when source LANGUAGE property is set
2e67a75acd Embarcadero: Simplify addition of -P flag for C++
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !5522
This change was originally made by commit 74b1c9fc8e (Explicitly specify
language flag when source LANGUAGE property is set, 2020-06-01,
v3.19.0-rc1~722^2), but it was reverted by commit 30aa715fac (Revert
"specify language flag when source LANGUAGE property is set",
2020-11-19) to restore compatibility with pre-3.19 behavior.
Implement the change again, but add policy CMP0119 to make this change
while preserving compatibility with existing projects.
Note that the `Compiler/{Clang,Intel,MSVC}-CXX` modules do not need to
specify `-TP` for their MSVC-like variants because we already use the
flag in `CMAKE_CXX_COMPILE_OBJECT`. Similarly for `Compiler/XL-CXX`
and `Platform/Windows-Embarcadero`.
Note also that this does not seem possible to implement for XL C.
Even with `-qsourcetype=c`, `xlc` complains about an unknown suffix:
`1501-218 (W) file /.../AltExtC.zzz contains an incorrect file suffix`.
It returns non-zero even with `-qsuppress=1501-218`.
Co-Author: Robert Maynard <robert.maynard@kitware.com>
Fixes: #14516, #20716
2c71d051fa Makefiles Generators: use compiler for dependencies generation
afd0f6785d Refactoring: Abstract Makefile line continuation format
b6068ce407 Refactoring: enhance include file filtering
3401403f69 Refactoring: Introduce place-holder for dependency target.
a97c41bf8b Refactoring: Makefiles Generators: Add support for various depends scanners
Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Brad King <brad.king@kitware.com>
Merge-request: !5528
573d51201a GENERATED prop: Set CMP0118 to NEW for some (unrelated) tests
6624b65b3f GENERATED prop: Add implementation for policy CMP0118 being set to NEW
b14fe704f8 GENERATED prop: Simplify determining the language of a source file
ca4ce458a3 GENERATED prop: Check CMP0118 policy and warn in certain situations
0eb30f175e GENERATED prop: Introducing policy CMP0118 and its documentation
78c8d95605 GENERATED prop: Add some tests before introducing changes with CMP0118
e01527619f Simplify code by calling a function directly instead of duplicating it
75cb8615e9 Fix typo in function name
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !5308
NVCC's default architecture may be newer than the one supported by the
machine's GPU.
In such cases it's useful to have an environment variable for initializing
CMAKE_CUDA_ARCHITECTURES to avoid specifying it for every invocation.
