Cherry-picks for LTS 2020_09_23 Patch Release 2

* Fixes preprocessor condition for symbols __tsan_mutex_read_lock and
__tsan_mutex_try_lock
* Fixes race in AddressIsReadable file descriptors using stronger memory ordering
* Fixes CMake dependency issues and adds `-Wl,--no-undefined` to avoid
these issues in the future.

1 files changed, 25 insertions, 21 deletions

diff --git a/ci/linux_gcc_alpine_cmake.sh b/ci/linux_gcc_alpine_cmake.sh
index f57ab12b..b3b8e7a7 100755
--- a/ci/linux_gcc_alpine_cmake.sh
+++ b/ci/linux_gcc_alpine_cmake.sh
@@ -34,31 +34,35 @@ if [[ -z ${ABSL_CMAKE_BUILD_TYPES:-} ]]; then
   ABSL_CMAKE_BUILD_TYPES="Debug Release"
 fi
 
+if [[ -z ${ABSL_CMAKE_BUILD_SHARED:-} ]]; then
+  ABSL_CMAKE_BUILD_SHARED="OFF ON"
+fi
+
 source "${ABSEIL_ROOT}/ci/linux_docker_containers.sh"
 readonly DOCKER_CONTAINER=${LINUX_ALPINE_CONTAINER}
 
 for std in ${ABSL_CMAKE_CXX_STANDARDS}; do
   for compilation_mode in ${ABSL_CMAKE_BUILD_TYPES}; do
-    echo "--------------------------------------------------------------------"
-    echo "Testing with CMAKE_BUILD_TYPE=${compilation_mode} and -std=c++${std}"
-
-    time docker run \
-      --volume="${ABSEIL_ROOT}:/abseil-cpp:ro" \
-      --workdir=/abseil-cpp \
-      --tmpfs=/buildfs:exec \
-      --cap-add=SYS_PTRACE \
-      --rm \
-      -e CFLAGS="-Werror" \
-      -e CXXFLAGS="-Werror" \
-      "${DOCKER_CONTAINER}" \
-      /bin/sh -c "
-        cd /buildfs && \
-        cmake /abseil-cpp \
-          -DABSL_USE_GOOGLETEST_HEAD=ON \
-          -DABSL_RUN_TESTS=ON \
-          -DCMAKE_BUILD_TYPE=${compilation_mode} \
-          -DCMAKE_CXX_STANDARD=${std} && \
-        make -j$(nproc) && \
-        ctest -j$(nproc) --output-on-failure"
+    for build_shared in ${ABSL_CMAKE_BUILD_SHARED}; do
+      time docker run \
+        --volume="${ABSEIL_ROOT}:/abseil-cpp:ro" \
+        --workdir=/abseil-cpp \
+        --tmpfs=/buildfs:exec \
+        --cap-add=SYS_PTRACE \
+        --rm \
+        -e CFLAGS="-Werror" \
+        -e CXXFLAGS="-Werror" \
+        "${DOCKER_CONTAINER}" \
+        /bin/sh -c "
+          cd /buildfs && \
+          cmake /abseil-cpp \
+            -DABSL_USE_GOOGLETEST_HEAD=ON \
+            -DABSL_RUN_TESTS=ON \
+            -DCMAKE_BUILD_TYPE=${compilation_mode} \
+            -DCMAKE_CXX_STANDARD=${std} \
+            -DCMAKE_MODULE_LINKER_FLAGS=\"-Wl,--no-undefined\" && \
+          make -j$(nproc) && \
+          ctest -j$(nproc) --output-on-failure"
+    done
   done
 done