Add sanitizers for cmake (#2608)

These can be enabled using the `SANITIZE_{ADDRESS,MEMORY,THREAD,UNDEFINED}` cmake flags

.gitmodules

@@ -25,3 +25,6 @@
 [submodule "lib/websocketpp"]
 	path = lib/websocketpp
 	url = https://github.com/ziocleto/websocketpp
+[submodule "cmake/sanitizers-cmake"]
+	path = cmake/sanitizers-cmake
+	url = https://github.com/arsenm/sanitizers-cmake

CMakeLists.txt

@@ -4,6 +4,7 @@ include(FeatureSummary)
 
 list(APPEND CMAKE_MODULE_PATH
     "${CMAKE_SOURCE_DIR}/cmake"
+    "${CMAKE_SOURCE_DIR}/cmake/sanitizers-cmake/cmake"
     )
 
 project(chatterino VERSION 2.2.3)
@@ -44,6 +45,8 @@ if (WIN32)
     find_package(WinToast REQUIRED)
 endif ()
 
+find_package(Sanitizers)
+
 # Find boost on the system
 find_package(Boost REQUIRED)
 

src/CMakeLists.txt

@@ -460,6 +460,7 @@ endif ()
 source_group(TREE ${CMAKE_SOURCE_DIR} FILES ${SOURCE_FILES})
 
 add_executable(${PROJECT_NAME} ${SOURCE_FILES})
+add_sanitizers(${PROJECT_NAME})
 
 target_precompile_headers(${PROJECT_NAME} PRIVATE PrecompiledHeader.hpp)
 

tests/CMakeLists.txt

@@ -45,6 +45,7 @@ add_executable(${PROJECT_NAME}
     ${chatterino_SOURCES}
     ${test_SOURCES}
     )
+add_sanitizers(${PROJECT_NAME})
 
 # Enable autogeneration of Qts MOC/RCC/UIC
 set_target_properties(${PROJECT_NAME}