Set cmake policies to 3.5 when building with cmake 4.0
With cmake policies set to 4.0 Android fails to link correctly.
It is fixed by running the cmake command twice before doing the make build or setting the cmake policies to 3.5
* This doesn't change our minimum specs as we already required GCC 5, clang 3.4,
which fully support C++14. Interestingly only VS2015 is the odd one out but we
don't rely on any features from C++14 that it doesn't support.
In development/CMakeLists.txt:477, the Python interpreter and libs are discovered. It uses the 'old' package discovery mechanism and the new depending on CMake's version.
However the old mechanism sets different variables to the new, so the new also sets the old vars for compatibility, however it is missing two variables.
The first missing var causes the Python minor version to be hardcoded to zero (renderdoccmd/CMakeLists.txt:9) and the second causes the later conditional (CMakeLists.txt:495) to be malformed.
The CMake option "CMAKE_XCODE_SCHEME_ENABLE_GPU_FRAME_CAPTURE_MODE" is available starting from CMake version 3.23.0.
Increase the minimum CMake version for building Apple to 3.23.0 from 3.20.0
macos-11 Apple Clang does not support -Wno-unused-but-set-variable
To fix CI
error: unknown warning option '-Wno-unused-but-set-variable'; did you mean '-Wno-unused-const-variable'? [-Werror,-Wunknown-warning-option]
While Renderdoc already supported multiarch for where to install the
libraries with the LIB_SUFFIX option. The Vulkan layer was left out of
this loop.
Vulkan layers living in `/usr/share/vulkan/implicit_layer.d/` will use a
suffix before the `.json` to separate libraries of different
architectures. These layer files will then point to the architecture
specific `library_path` inside that json file.
Also updates the check in `LayerRegistrationPath` so it handles the
suffix as well. This way `renderdoccmd` won't complain about conflicting
json files.
CMAKE_OSX_ARCHITECTURES
ENABLE_PYRENDERDOC
CMAKE_OSX_DEPLOYMENT_TARGET
Remove CMAKE_OSX_ARCHITECTURES default setting to build for multiple architectures.
Enable ENABLE_PYRENDERDOC to On by default for Apple.
CMake version 3.20 or higher (needed to support Xcode project generation)
clang version 12.0 or higher (needed to support arm64+x64 universal binary compilation)
XCode 12.2 is the oldest version which includes clang version 12.0
Restrict the schemes to match the configuration on the cmake command line
Disable Debug Document Versioning
Specify the executable path for build-qrenderdoc target
For Xcode set the output directory to be the same for all configurations
By default Xcode puts binary and library outputs in a different folder per configuration
* We also reverse Python_ADDITIONAL_VERSIONS so it finds the newest one. It
doesn't seem like there's a way in general to make these match, so we hope
that searching from newest to oldest will find the same in both - or at least
it makes it easier for the user to fix by installing the newest in both.
* Technically the code is incorrect, because the C++ spec is terrible and makes
completely normal things illegal. GCC decides that a couple of % more perf is
worth breaking lots of code, so instead we disable this class of
"optimisation".
Andrew Marshall