Add dynamic detection of asan paths.

cmake/CompileOptions.cmake

@@ -149,17 +149,51 @@ else()
 	set(SANITIZER_COMPILE_DEFINITIONS)
 endif()
 
+function(find_sanitizer NAME LINK_OPTION)
+	string(TOUPPER "${NAME}" NAME_UPPER)
+	set(SANITIZER_PROGRAM_CODE "int main() {return 0;}")
+	message(STATUS "${CMAKE_CURRENT_BINARY_DIR}/sanitizer_locate.cpp")
+	file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/sanitizer_locate.cpp" "${SANITIZER_PROGRAM_CODE}")
+
+	try_compile(
+		STATUS
+			${PROJECT_OUTPUT_DIR}
+			${CMAKE_CURRENT_BINARY_DIR}/sanitizer_locate.cpp
+		OUTPUT_VARIABLE SANITIZER_COMPILER_OUTPUT
+		LINK_OPTIONS ${LINK_OPTION}
+		COPY_FILE ${CMAKE_CURRENT_BINARY_DIR}/sanitizer_locate
+	)
+
+	if(NOT STATUS)
+		message(FATAL_ERROR "Could not find location for lib${NAME}: ${SANITIZER_COMPILER_OUTPUT}")
+		return()
+	endif()
+
+	file(GET_RUNTIME_DEPENDENCIES
+		EXECUTABLES ${CMAKE_CURRENT_BINARY_DIR}/sanitizer_locate
+		RESOLVED_DEPENDENCIES_VAR SANITIZER_PROGRAM_LIBRARIES
+	)
+
+	foreach(DEPENDENCY IN LISTS SANITIZER_PROGRAM_LIBRARIES)
+		string(FIND "${DEPENDENCY}" "${NAME}" POSITION)
+		if(POSITION GREATER -1)
+			set(LIB${NAME_UPPER}_PATH "${DEPENDENCY}" PARENT_SCOPE)
+			return()
+		endif()
+	endforeach()
+endfunction()
+
 if("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_C_COMPILER_ID}" STREQUAL "AppleClang")
 	if(OPTION_BUILD_THREAD_SANITIZER)
-		execute_process(COMMAND ${CMAKE_C_COMPILER} -print-file-name=libtsan${CMAKE_SHARED_LIBRARY_SUFFIX} OUTPUT_VARIABLE LIBTSAN_PATH OUTPUT_STRIP_TRAILING_WHITESPACE)
+		find_sanitizer(tsan -fsanitize=thread)
 		set(SANITIZER_LIBRARIES_PATH
 			"${LIBTSAN_PATH}"
 		)
 	elseif(OPTION_BUILD_MEMORY_SANITIZER)
 		set(SANITIZER_LIBRARIES_PATH) # TODO
 	elseif(OPTION_BUILD_ADDRESS_SANITIZER)
-		execute_process(COMMAND ${CMAKE_C_COMPILER} -print-file-name=libasan${CMAKE_SHARED_LIBRARY_SUFFIX} OUTPUT_VARIABLE LIBASAN_PATH OUTPUT_STRIP_TRAILING_WHITESPACE)
-		execute_process(COMMAND ${CMAKE_C_COMPILER} -print-file-name=libubsan${CMAKE_SHARED_LIBRARY_SUFFIX} OUTPUT_VARIABLE LIBUBSAN_PATH OUTPUT_STRIP_TRAILING_WHITESPACE)
+		find_sanitizer(asan -fsanitize=address)
+		find_sanitizer(ubsan -fsanitize=undefined)
 		set(SANITIZER_LIBRARIES_PATH
 			"${LIBASAN_PATH}"
 			"${LIBUBSAN_PATH}"