From 0f3bb466b868b523cf1dc9b2aaaed65c77b28862 Mon Sep 17 00:00:00 2001
From: Derek Mauro <761129+derekmauro@users.noreply.github.com>
Date: Wed, 21 Oct 2020 08:32:42 -0400
Subject: 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.
---
 ci/macos_xcode_cmake.sh | 30 +++++++++++++++++++-----------
 1 file changed, 19 insertions(+), 11 deletions(-)

(limited to 'ci/macos_xcode_cmake.sh')

diff --git a/ci/macos_xcode_cmake.sh b/ci/macos_xcode_cmake.sh
index cf78e207..d90e273a 100755
--- a/ci/macos_xcode_cmake.sh
+++ b/ci/macos_xcode_cmake.sh
@@ -28,17 +28,25 @@ if [[ -z ${ABSL_CMAKE_BUILD_TYPES:-} ]]; then
   ABSL_CMAKE_BUILD_TYPES="Debug"
 fi
 
+if [[ -z ${ABSL_CMAKE_BUILD_SHARED:-} ]]; then
+  ABSL_CMAKE_BUILD_SHARED="OFF ON"
+fi
+
 for compilation_mode in ${ABSL_CMAKE_BUILD_TYPES}; do
-  BUILD_DIR=$(mktemp -d ${compilation_mode}.XXXXXXXX)
-  cd ${BUILD_DIR}
+  for build_shared in ${ABSL_CMAKE_BUILD_SHARED}; do
+    BUILD_DIR=$(mktemp -d ${compilation_mode}.XXXXXXXX)
+    cd ${BUILD_DIR}
 
-  # TODO(absl-team): Enable -Werror once all warnings are fixed.
-  time cmake ${ABSEIL_ROOT} \
-    -GXcode \
-    -DCMAKE_BUILD_TYPE=${compilation_mode} \
-    -DCMAKE_CXX_STANDARD=11 \
-    -DABSL_USE_GOOGLETEST_HEAD=ON \
-    -DABSL_RUN_TESTS=ON
-  time cmake --build .
-  time ctest -C ${compilation_mode} --output-on-failure
+    # TODO(absl-team): Enable -Werror once all warnings are fixed.
+    time cmake ${ABSEIL_ROOT} \
+      -GXcode \
+      -DBUILD_SHARED_LIBS=${build_shared} \
+      -DCMAKE_BUILD_TYPE=${compilation_mode} \
+      -DCMAKE_CXX_STANDARD=11 \
+      -DCMAKE_MODULE_LINKER_FLAGS="-Wl,--no-undefined" \
+      -DABSL_USE_GOOGLETEST_HEAD=ON \
+      -DABSL_RUN_TESTS=ON
+    time cmake --build .
+    time ctest -C ${compilation_mode} --output-on-failure
+  done
 done
-- 
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