1 files changed, 94 insertions, 0 deletions
diff --git a/config/sanitizer/sanitizers.cmake b/config/sanitizer/sanitizers.cmake
new file mode 100644
index 0000000..d5f9a0f
--- /dev/null
+++ b/config/sanitizer/sanitizers.cmake
@@ -0,0 +1,94 @@
+#
+# Copyright (C) 2018 by George Cave - gcave@stablecoder.ca
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); 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.
+
+set(USE_SANITIZER
+    ""
+    CACHE
+      STRING
+      "Compile with a sanitizer. Options are: Address, Memory, MemoryWithOrigins, Undefined, Thread, Leak, 'Address;Undefined'"
+)
+
+function(append value)
+  foreach(variable ${ARGN})
+    set(${variable}
+        "${${variable}} ${value}"
+        PARENT_SCOPE)
+  endforeach(variable)
+endfunction()
+
+if(USE_SANITIZER)
+  append("-fno-omit-frame-pointer" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+
+  if(UNIX)
+
+    if(uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
+      append("-O1" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+    endif()
+
+    if(USE_SANITIZER MATCHES "([Aa]ddress);([Uu]ndefined)"
+       OR USE_SANITIZER MATCHES "([Uu]ndefined);([Aa]ddress)")
+      message(STATUS "Building with Address, Undefined sanitizers")
+      append("-fsanitize=address,undefined" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+      set(MEMCHECK_TYPE AddressSanitizer)
+    elseif(USE_SANITIZER MATCHES "([Aa]ddress)")
+      # Optional: -fno-optimize-sibling-calls -fsanitize-address-use-after-scope
+      message(STATUS "Building with Address sanitizer")
+      append("-fsanitize=address" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+      set(MEMCHECK_TYPE AddressSanitizer)
+    elseif(USE_SANITIZER MATCHES "([Mm]emory([Ww]ith[Oo]rigins)?)")
+      # Optional: -fno-optimize-sibling-calls -fsanitize-memory-track-origins=2
+      append("-fsanitize=memory" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+      if(USE_SANITIZER MATCHES "([Mm]emory[Ww]ith[Oo]rigins)")
+        message(STATUS "Building with MemoryWithOrigins sanitizer")
+        append("-fsanitize-memory-track-origins" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+      else()
+        message(STATUS "Building with Memory sanitizer")
+      endif()
+      set(MEMCHECK_TYPE MemorySanitizer)
+    elseif(USE_SANITIZER MATCHES "([Uu]ndefined)")
+      message(STATUS "Building with Undefined sanitizer")
+      append("-fsanitize=undefined" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+      if(EXISTS "${BLACKLIST_FILE}")
+        append("-fsanitize-blacklist=${BLACKLIST_FILE}" CMAKE_C_FLAGS
+               CMAKE_CXX_FLAGS)
+      endif()
+      set(MEMCHECK_TYPE UndefinedBehaviorSanitizer)
+    elseif(USE_SANITIZER MATCHES "([Tt]hread)")
+      message(STATUS "Building with Thread sanitizer")
+      append("-fsanitize=thread" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+      set(MEMCHECK_TYPE ThreadSanitizer)
+    elseif(USE_SANITIZER MATCHES "([Ll]eak)")
+      message(STATUS "Building with Leak sanitizer")
+      append("-fsanitize=leak" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+      set(MEMCHECK_TYPE LeakSanitizer)
+    else()
+      message(
+        FATAL_ERROR "Unsupported value of USE_SANITIZER: ${USE_SANITIZER}")
+    endif()
+  elseif(MSVC)
+    if(USE_SANITIZER MATCHES "([Aa]ddress)")
+      message(STATUS "Building with Address sanitizer")
+      append("-fsanitize=address" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+    else()
+      message(
+        FATAL_ERROR
+          "This sanitizer not yet supported in the MSVC environment: ${USE_SANITIZER}"
+      )
+    endif()
+  else()
+    message(FATAL_ERROR "USE_SANITIZER is not supported on this platform.")
+  endif()
+
+endif()