github: Update to clang-16 for CI builds (#9093)

Also update documentation on official recommendation of clang
version.

Author: poweifeng

BUILDING.md

@@ -4,8 +4,8 @@
 
 To build Filament, you must first install the following tools:
 
-- CMake 3.19 (or more recent)
-- clang 14.0 (or more recent)
+- CMake 3.22.1 (or more recent)
+- clang 16.0 (or more recent)
 - [ninja 1.10](https://github.com/ninja-build/ninja/wiki/Pre-built-Ninja-packages) (or more recent)
 
 Additional dependencies may be required for your operating system. Please refer to the appropriate
@@ -88,17 +88,17 @@ Options can also be set with the CMake GUI.
 
 Make sure you've installed the following dependencies:
 
-- `clang-14` or higher
+- `clang-16` or higher
 - `libglu1-mesa-dev`
-- `libc++-14-dev` (`libcxx-devel` and `libcxx-static` on Fedora) or higher
-- `libc++abi-14-dev` (`libcxxabi-static` on Fedora) or higher
+- `libc++-16-dev` (`libcxx-devel` and `libcxx-static` on Fedora) or higher
+- `libc++abi-16-dev` (`libcxxabi-static` on Fedora) or higher
 - `ninja-build`
 - `libxi-dev`
 - `libxcomposite-dev` (`libXcomposite-devel` on Fedora)
 - `libxxf86vm-dev` (`libXxf86vm-devel` on Fedora)
 
 ```shell
-sudo apt install clang-14 libglu1-mesa-dev libc++-14-dev libc++abi-14-dev ninja-build libxi-dev libxcomposite-dev libxxf86vm-dev -y
+sudo apt install clang-16 libglu1-mesa-dev libc++-16-dev libc++abi-16-dev ninja-build libxi-dev libxcomposite-dev libxxf86vm-dev -y
 ```
 
 After dependencies have been installed, we highly recommend using the [easy build](#easy-build)
@@ -119,7 +119,7 @@ Your Linux distribution might default to `gcc` instead of `clang`, if that's the
 ```shell
 mkdir out/cmake-release
 cd out/cmake-release
-# Or use a specific version of clang, for instance /usr/bin/clang-14
+# Or use a specific version of clang, for instance /usr/bin/clang-16
 CC=/usr/bin/clang CXX=/usr/bin/clang++ CXXFLAGS=-stdlib=libc++ \
   cmake -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=../release/filament ../..
 ```
@@ -129,8 +129,8 @@ solution is to use `update-alternatives` to both change the default compiler, an
 specific version of clang:
 
 ```shell
-update-alternatives --install /usr/bin/clang clang /usr/bin/clang-14 100
-update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-14 100
+update-alternatives --install /usr/bin/clang clang /usr/bin/clang-16 100
+update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-16 100
 update-alternatives --install /usr/bin/cc cc /usr/bin/clang 100
 update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++ 100
 ```

build/common/versions

@@ -1,4 +1,4 @@
-GITHUB_CLANG_VERSION=14
+GITHUB_CLANG_VERSION=16
 GITHUB_CMAKE_VERSION=3.19.5
 GITHUB_NINJA_VERSION=1.10.2
 GITHUB_MESA_VERSION=24.2.1