build: Bump clang minimum supported version to 16

Author: MarcoFalke

ci/test/00_setup_env_native_nowallet_libbitcoinkernel.sh

@@ -7,9 +7,9 @@
 export LC_ALL=C.UTF-8
 
 export CONTAINER_NAME=ci_native_nowallet_libbitcoinkernel
-export CI_IMAGE_NAME_TAG="docker.io/ubuntu:22.04"
-# Use minimum supported python3.9 (or best-effort 3.10) and clang-15, see doc/dependencies.md
-export PACKAGES="python3-zmq clang-15 llvm-15 libc++abi-15-dev libc++-15-dev"
-export DEP_OPTS="NO_WALLET=1 CC=clang-15 CXX='clang++-15 -stdlib=libc++'"
+export CI_IMAGE_NAME_TAG="docker.io/debian:bullseye"
+# Use minimum supported python3.9 and clang-16, see doc/dependencies.md
+export PACKAGES="python3-zmq clang-16 llvm-16 libc++abi-16-dev libc++-16-dev"
+export DEP_OPTS="NO_WALLET=1 CC=clang-16 CXX='clang++-16 -stdlib=libc++'"
 export GOAL="install"
 export BITCOIN_CONFIG="--enable-reduce-exports --enable-experimental-util-chainstate --with-experimental-kernel-lib --enable-shared"

doc/dependencies.md

@@ -8,7 +8,7 @@ You can find installation instructions in the `build-*.md` file for your platfor
 | --- | --- |
 | [Autoconf](https://www.gnu.org/software/autoconf/) | [2.69](https://github.com/bitcoin/bitcoin/pull/17769) |
 | [Automake](https://www.gnu.org/software/automake/) | [1.13](https://github.com/bitcoin/bitcoin/pull/18290) |
-| [Clang](https://clang.llvm.org) | [15.0](https://github.com/bitcoin/bitcoin/pull/29165) |
+| [Clang](https://clang.llvm.org) | [16.0](https://github.com/bitcoin/bitcoin/pull/30263) |
 | [GCC](https://gcc.gnu.org) | [11.1](https://github.com/bitcoin/bitcoin/pull/29091) |
 | [Python](https://www.python.org) (scripts, tests) | [3.9](https://github.com/bitcoin/bitcoin/pull/28211) |
 | [systemtap](https://sourceware.org/systemtap/) ([tracing](tracing.md))| N/A |

doc/release-notes-29091-29165.md

@@ -1,5 +1,5 @@
 Build
 -----
 
-GCC 11.1 or later, or Clang 15+ or later,
+GCC 11.1 or later, or Clang 16.0 or later,
 are now required to compile Bitcoin Core.