ci: instrument libc++ in TSAN job

Qt is disabled, as the build is now taking a very long time.

.cirrus.yml

@@ -143,7 +143,7 @@ task:
     FILE_ENV: "./ci/test/00_setup_env_native_previous_releases.sh"
 
 task:
-  name: 'TSan, depends, gui'
+  name: 'TSan, depends, no gui'
   << : *GLOBAL_TASK_TEMPLATE
   persistent_worker:
     labels:

ci/test/00_setup_env_native_tsan.sh

@@ -9,9 +9,12 @@ export LC_ALL=C.UTF-8
 export CONTAINER_NAME=ci_native_tsan
 export CI_IMAGE_NAME_TAG="mirror.gcr.io/ubuntu:24.04"
 export APT_LLVM_V="20"
-export PACKAGES="clang-${APT_LLVM_V} llvm-${APT_LLVM_V} libclang-rt-${APT_LLVM_V}-dev libc++abi-${APT_LLVM_V}-dev libc++-${APT_LLVM_V}-dev python3-zmq"
-export DEP_OPTS="CC=clang CXX='clang++ -stdlib=libc++'"
+LIBCXX_DIR="/cxx_build/"
+LIBCXX_FLAGS="-fsanitize=thread -nostdinc++ -nostdlib++ -isystem ${LIBCXX_DIR}include/c++/v1 -L${LIBCXX_DIR}lib -Wl,-rpath,${LIBCXX_DIR}lib -lc++ -lc++abi -lpthread -Wno-unused-command-line-argument"
+export PACKAGES="clang-${APT_LLVM_V} llvm-${APT_LLVM_V} llvm-${APT_LLVM_V}-dev libclang-${APT_LLVM_V}-dev libclang-rt-${APT_LLVM_V}-dev python3-zmq"
+export DEP_OPTS="CC=clang CXX=clang++ CXXFLAGS='${LIBCXX_FLAGS}' NO_QT=1"
 export GOAL="install"
 export CI_LIMIT_STACK_SIZE=1
 export BITCOIN_CONFIG="-DWITH_ZMQ=ON -DSANITIZERS=thread \
 -DAPPEND_CPPFLAGS='-DARENA_DEBUG -DDEBUG_LOCKORDER -DDEBUG_LOCKCONTENTION -D_LIBCPP_REMOVE_TRANSITIVE_INCLUDES'"
+export USE_INSTRUMENTED_LIBCPP="Thread"