[ci] cmake: remove linking to sanitizer library (#4176)

Adding compiler flag will automatically link to the required libraries.

Besides, clang static links to sanitizer libraries by default. Thus
linking to dynamic library must be removed in order to use clang.

cmake/Sanitizer.cmake

@@ -6,24 +6,16 @@
 # Add flags
 macro(enable_sanitizer sanitizer)
   if(${sanitizer} MATCHES "address")
-    find_package(ASan REQUIRED)
     set(SAN_COMPILE_FLAGS "${SAN_COMPILE_FLAGS} -fsanitize=address")
-    link_libraries(${ASan_LIBRARY})
 
   elseif(${sanitizer} MATCHES "thread")
-    find_package(TSan REQUIRED)
     set(SAN_COMPILE_FLAGS "${SAN_COMPILE_FLAGS} -fsanitize=thread")
-    link_libraries(${TSan_LIBRARY})
 
   elseif(${sanitizer} MATCHES "leak")
-    find_package(LSan REQUIRED)
     set(SAN_COMPILE_FLAGS "${SAN_COMPILE_FLAGS} -fsanitize=leak")
-    link_libraries(${LSan_LIBRARY})
 
   elseif(${sanitizer} MATCHES "undefined")
-    find_package(UBSan REQUIRED)
     set(SAN_COMPILE_FLAGS "${SAN_COMPILE_FLAGS} -fsanitize=undefined -fno-sanitize-recover=undefined")
-    link_libraries(${UBSan_LIBRARY})
 
   else()
     message(FATAL_ERROR "Santizer ${sanitizer} not supported.")

cmake/modules/FindASan.cmake

-set(ASan_LIB_NAME ASan)
-
-find_library(ASan_LIBRARY
-  NAMES libasan.so libasan.so.5 libasan.so.4 libasan.so.3 libasan.so.2 libasan.so.1 libasan.so.0 libasan.so.0.0.0
-  PATHS ${SANITIZER_PATH} /usr/lib64 /usr/lib /usr/local/lib64 /usr/local/lib ${CMAKE_PREFIX_PATH}/lib)
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(ASan DEFAULT_MSG
-  ASan_LIBRARY)

cmake/modules/FindLSan.cmake

-set(LSan_LIB_NAME lsan)
-
-find_library(LSan_LIBRARY
-  NAMES liblsan.so liblsan.so.0 liblsan.so.0.0.0
-  PATHS ${SANITIZER_PATH} /usr/lib64 /usr/lib /usr/local/lib64 /usr/local/lib ${CMAKE_PREFIX_PATH}/lib)
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(LSan DEFAULT_MSG
-  LSan_LIBRARY)

cmake/modules/FindTSan.cmake

-set(TSan_LIB_NAME tsan)
-
-find_library(TSan_LIBRARY
-  NAMES libtsan.so libtsan.so.0 libtsan.so.0.0.0
-  PATHS ${SANITIZER_PATH} /usr/lib64 /usr/lib /usr/local/lib64 /usr/local/lib ${CMAKE_PREFIX_PATH}/lib)
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(TSan DEFAULT_MSG
-  TSan_LIBRARY)

cmake/modules/FindUBSan.cmake

-set(UBSan_LIB_NAME UBSan)
-
-find_library(UBSan_LIBRARY
-  NAMES libubsan.so libubsan.so.1 libubsan.so.0 libubsan.so.0.0.0
-  PATHS ${SANITIZER_PATH} /usr/lib64 /usr/lib /usr/local/lib64 /usr/local/lib ${CMAKE_PREFIX_PATH}/lib)
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(UBSan DEFAULT_MSG
-  UBSan_LIBRARY)