We do not add default warning flags on other compilers, and having
a warning flag in the default flags makes it hard for projects to
customize the warning level. They need to use string processing
to remove `/W3` from `CMAKE_{C,CXX}_FLAGS`. Therefore we should
drop it.
However, projects may be using string processing to replace `/W3`
with another flag, so we cannot simply drop it. Add a policy to
drop it in a compatible way.
Fixes: #18317
The value of `CMAKE_VS_PLATFORM_NAME` is computed by Visual Studio
generators based on `CMAKE_GENERATOR_PLATFORM` or some default.
Prior to the VS 2019 generator, the default was always `Win32`.
However, for the `Visual Studio 16 2019` generator, the default is
based on the host platform.
Store the default in a new `CMAKE_VS_PLATFORM_NAME_DEFAULT` variable for
use by project code. This is particularly useful in toolchain files
because they are allowed to set `CMAKE_GENERATOR_PLATFORM` and so
`CMAKE_VS_PLATFORM_NAME` is not yet known. Of course the toolchain file
author knows whether it will set `CMAKE_GENERATOR_PLATFORM`, and if not
then `CMAKE_VS_PLATFORM_NAME_DEFAULT` provides the platform name that
will be used.
Fixes: #19177
Replace our hard-coded defaults for `/MD` and `/MDd` with a first-class
abstraction to select the runtime library from an enumeration of logical
names. We've long hesitated to do this because the idea of "runtime
library selection" touches on related concepts on several platforms.
Avoid that scope creep by simply defining an abstraction that applies
only when targeting the MSVC ABI on Windows.
Removing the old default flags requires a policy because existing
projects may rely on string processing to edit them and choose a runtime
library under the old behavior. Add policy CMP0091 to provide
compatibility.
Fixes: #19108
58f04b6ecf Autogen: Add ManySources test
a3f062091f Autogen: Rename `cmQtAutoGeneratorMocUic` class to `cmQtAutoMocUic`
8cb26a0a2a Autogen: Factor out concurrency framework to cmWorkerPool class
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !3224
This factors out the concurrency framework in `cmQtAutoGeneratorMocUic` to a
dedicated class `cmWorkerPool` which might be reused in other places.
`cmWorkerPool` supports fence jobs that require that
- all other jobs before in the queue have been processed before the fence
job processing gets started,
- no jobs later in the queue will be processed before the fence job processing
has been completed.
Fence jobs are needed where the completion of all previous jobs in the queue
is a requirement for further processing. E.g. in `cmQtAutoGeneratorMocUic`
the generation of `mocs_compilation.cpp` requires that all previous
source file parse jobs have been completed.
The cmake progress callback is called with non-negative progress values
to provide incremental updates on "Configuring" and "Generating" steps.
These are useful in interactive views but are just noise in test output.
Since commit 9175a378f5 (QtDialog: Add windows taskbar progress,
2018-11-17, v3.14.0-rc1~330^2) we've added a missing overlay icon.
This results in Windows falling back to a default overlay icon.
Simply drop this line.
Fixes: #19160
-- When using default values for the external project forward GHS platform
variables so that the external project builds with the same tools as
the original project.
-- Fix issue with bad top level project when GHS_PRIMARY_TARGET is set but has
no value. In this case treat it as unset and use default value.
-- Do not use reference projects, use build hierarchy instead.
gbuild has three parallel levels:
* low -- Parallelizes compiling source files within a single project (.gpj)
file when safe to do so.
* medium -- Parallelizes processing files within a single linked output when
safe to do so.
* high [default] -- Parallelizes processing files whenever safe to do so,
including linking task.
Testing showed that for some combinations of gbuild / MULTI there are issues
with building a project that uses references to target project files along with
using {nobuild} option.
Sometimes the archiving of a library and linking of an executable were
happening in parallel and the build would fail when linking because the
archive wasn't complete.
This behavior was also inconsistent when running the build from MULTI and
from the command line with gbuild. In some cases MULTI did not parallelize
archiving and linking, but gbuild performed these actions in parallel.
The parallel build issue was not seen when using a build hierarchy where the
project listed the project files normally instead of using a reference link.
The other option was to add the -parallel_level=medium to the command line
when using "cmake --build" but this wouldn't fix the issue if gbuild itself
was used to and the user might not be aware of the extra option used by cmake.
-- Restructure projects and files to support proper building of targets
Build order is determined by hierarchy of project files and folders
Custom targets may have been run multiple times in the original file / folder structure
-- Default to build targets that are part of ALL target
-- List all known targets for this project
Includes global targets for ALL_BUILD and INSTALL
-- Compute build order for building targets
Brad King