feat(Tools/MMapsGenerator): Improve multithreading of mmaps_generator (#10963)

* cherry-pick commit (https://github.com/Shauren/TrinityCore/commit/699edaa0144fa3b0033dc45e24ad74222cc8240e)

Co-authored-by: Giacomo Pozzoni <giacomopoz@gmail.com>

2 files changed, 67 insertions, 0 deletions

diff --git a/src/cmake/compiler/clang/settings.cmake b/src/cmake/compiler/clang/settings.cmake
index d53c673a94..93e85762e0 100644
--- a/src/cmake/compiler/clang/settings.cmake
+++ b/src/cmake/compiler/clang/settings.cmake
@@ -66,6 +66,52 @@ if(WITH_COREDEBUG)
   message(STATUS "Clang: Debug-flags set (-g3)")
 endif()
 
+if(MSAN)
+    target_compile_options(acore-compile-option-interface
+            INTERFACE
+            -fno-omit-frame-pointer
+            -fsanitize=memory
+            -fsanitize-memory-track-origins
+            -mllvm
+            -msan-keep-going=1)
+
+    target_link_options(acore-compile-option-interface
+            INTERFACE
+            -fno-omit-frame-pointer
+            -fsanitize=memory
+            -fsanitize-memory-track-origins)
+
+    message(STATUS "Clang: Enabled Memory Sanitizer MSan")
+endif()
+
+if(UBSAN)
+    target_compile_options(acore-compile-option-interface
+            INTERFACE
+            -fno-omit-frame-pointer
+            -fsanitize=undefined)
+
+    target_link_options(acore-compile-option-interface
+            INTERFACE
+            -fno-omit-frame-pointer
+            -fsanitize=undefined)
+
+    message(STATUS "Clang: Enabled Undefined Behavior Sanitizer UBSan")
+endif()
+
+if(TSAN)
+    target_compile_options(acore-compile-option-interface
+            INTERFACE
+            -fno-omit-frame-pointer
+            -fsanitize=thread)
+
+    target_link_options(acore-compile-option-interface
+            INTERFACE
+            -fno-omit-frame-pointer
+            -fsanitize=thread)
+
+    message(STATUS "Clang: Enabled Thread Sanitizer TSan")
+endif()
+
 # -Wno-narrowing needed to suppress a warning in g3d
 # -Wno-deprecated-register is needed to suppress gsoap warnings on Unix systems.
 target_compile_options(acore-compile-option-interface
diff --git a/src/cmake/showoptions.cmake b/src/cmake/showoptions.cmake
index 1d2366a281..08467d8df8 100644
--- a/src/cmake/showoptions.cmake
+++ b/src/cmake/showoptions.cmake
@@ -168,6 +168,27 @@ elseif (WITH_DETAILED_METRICS)
   add_definitions(-DWITH_DETAILED_METRICS)
 endif()
 
+if(MSAN)
+    message("")
+    message(" *** MSAN - WARNING!")
+    message(" *** Please note that this is for DEBUGGING WITH MEMORY SANITIZER only!")
+    add_definitions(-DMSAN)
+endif()
+
+if(UBSAN)
+    message("")
+    message(" *** UBSAN - WARNING!")
+    message(" *** Please note that this is for DEBUGGING WITH UNDEFINED BEHAVIOR SANITIZER only!")
+    add_definitions(-DUBSAN)
+endif()
+
+if(TSAN)
+    message("")
+    message(" *** TSAN - WARNING!")
+    message(" *** Please note that this is for DEBUGGING WITH THREAD SANITIZER only!")
+    add_definitions(-DTSAN -DNO_BUFFERPOOL)
+endif()
+
 if(BUILD_SHARED_LIBS)
   message("")
   message(" *** WITH_DYNAMIC_LINKING - INFO!")