Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 73 insertions, 0 deletions

diff --git a/src/seastar/cmake/FindSanitizers.cmake b/src/seastar/cmake/FindSanitizers.cmake
new file mode 100644
index 00000000..316f88ea
--- /dev/null
+++ b/src/seastar/cmake/FindSanitizers.cmake
@@ -0,0 +1,73 @@
+#
+# This file is open source software, licensed to you under the terms
+# of the Apache License, Version 2.0 (the "License").  See the NOTICE file
+# distributed with this work for additional information regarding copyright
+# ownership.  You may not use this file except in compliance with the License.
+#
+# You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+#
+# Copyright (C) 2018 Scylladb, Ltd.
+#
+
+include (CheckCXXSourceCompiles)
+
+set (CMAKE_REQUIRED_FLAGS -fsanitize=address)
+check_cxx_source_compiles ("int main() {}" Sanitizers_ADDRESS_FOUND)
+
+if (Sanitizers_ADDRESS_FOUND)
+  set (Sanitizers_ADDRESS_COMPILER_OPTIONS -fsanitize=address)
+endif ()
+
+set (CMAKE_REQUIRED_FLAGS -fsanitize=undefined)
+check_cxx_source_compiles ("int main() {}" Sanitizers_UNDEFINED_BEHAVIOR_FOUND)
+
+if (Sanitizers_UNDEFINED_BEHAVIOR_FOUND)
+  # Disable vptr because of https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88684
+  set (Sanitizers_UNDEFINED_BEHAVIOR_COMPILER_OPTIONS "-fsanitize=undefined;-fno-sanitize=vptr")
+endif ()
+
+set (Sanitizers_COMPILER_OPTIONS
+  ${Sanitizers_ADDRESS_COMPILER_OPTIONS}
+  ${Sanitizers_UNDEFINED_BEHAVIOR_COMPILER_OPTIONS})
+
+file (READ ${CMAKE_CURRENT_LIST_DIR}/code_tests/Sanitizers_fiber_test.cc _sanitizers_fiber_test_code)
+set (CMAKE_REQUIRED_FLAGS ${Sanitizers_COMPILER_OPTIONS})
+check_cxx_source_compiles ("${_sanitizers_fiber_test_code}" Sanitizers_FIBER_SUPPORT)
+
+include (FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args (Sanitizers
+  REQUIRED_VARS
+    Sanitizers_ADDRESS_COMPILER_OPTIONS
+    Sanitizers_UNDEFINED_BEHAVIOR_COMPILER_OPTIONS)
+
+if (Sanitizers_FOUND)
+  if (NOT (TARGET Sanitizers::address))
+    add_library (Sanitizers::address INTERFACE IMPORTED)
+
+    set_target_properties (Sanitizers::address
+      PROPERTIES
+        INTERFACE_COMPILE_OPTIONS ${Sanitizers_ADDRESS_COMPILER_OPTIONS}
+        INTERFACE_LINK_LIBRARIES ${Sanitizers_ADDRESS_COMPILER_OPTIONS})
+  endif ()
+
+  if (NOT (TARGET Sanitizers::undefined_behavior))
+    add_library (Sanitizers::undefined_behavior INTERFACE IMPORTED)
+
+    set_target_properties (Sanitizers::undefined_behavior
+      PROPERTIES
+        INTERFACE_COMPILE_OPTIONS "${Sanitizers_UNDEFINED_BEHAVIOR_COMPILER_OPTIONS}"
+        INTERFACE_LINK_LIBRARIES "${Sanitizers_UNDEFINED_BEHAVIOR_COMPILER_OPTIONS}")
+  endif ()
+endif ()