build: Bump clang minimum supported version to 15

.github/workflows/ci.yml

@@ -89,7 +89,9 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Clang version
-        run: clang --version
+        run: |
+          sudo xcode-select -switch /Applications/Xcode_15.0.app
+          clang --version
 
       - name: Install Homebrew packages
         env:

ci/test/00_setup_env_i686_multiprocess.sh

@@ -8,10 +8,10 @@ export LC_ALL=C.UTF-8
 
 export HOST=i686-pc-linux-gnu
 export CONTAINER_NAME=ci_i686_multiprocess
-export CI_IMAGE_NAME_TAG="docker.io/amd64/ubuntu:22.04"
-export PACKAGES="cmake llvm clang g++-multilib"
+export CI_IMAGE_NAME_TAG="docker.io/amd64/debian:trixie"
+export PACKAGES="cmake llvm clang libclang-rt-dev g++-multilib"
 export DEP_OPTS="DEBUG=1 MULTIPROCESS=1"
 export GOAL="install"
 export BITCOIN_CONFIG="--enable-debug CC='clang -m32' CXX='clang++ -m32' \
-LDFLAGS='--rtlib=compiler-rt -lgcc_s' CPPFLAGS='-DBOOST_MULTI_INDEX_ENABLE_SAFE_MODE'"
+LDFLAGS='-latomic --rtlib=compiler-rt -lgcc_s' CPPFLAGS='-DBOOST_MULTI_INDEX_ENABLE_SAFE_MODE'"
 export BITCOIND=bitcoin-node  # Used in functional tests

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/debian:bullseye"
-# Use minimum supported python3.9 and clang-13, see doc/dependencies.md
-export PACKAGES="python3-zmq clang-13 llvm-13 libc++abi-13-dev libc++-13-dev"
-export DEP_OPTS="NO_WALLET=1 CC=clang-13 CXX='clang++-13 -stdlib=libc++'"
+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 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) | [13.0](https://github.com/bitcoin/bitcoin/pull/28210) |
+| [Clang](https://clang.llvm.org) | [15.0](https://github.com/bitcoin/bitcoin/pull/29165) |
 | [GCC](https://gcc.gnu.org) | [10.1](https://github.com/bitcoin/bitcoin/pull/28348) |
 | [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 |