if (USE_INTERNAL_GPERFTOOLS_LIBRARY) set(GPERFTOOLS_INCLUDE_DIR "${ClickHouse_SOURCE_DIR}/contrib/libtcmalloc/include/") set(GPERFTOOLS_TCMALLOC tcmalloc_minimal_internal) include_directories (BEFORE ${GPERFTOOLS_INCLUDE_DIR}) else () find_package (Gperftools REQUIRED) include_directories (${GPERFTOOLS_INCLUDE_DIR}) endif () message(STATUS "Using gperftools: ${GPERFTOOLS_INCLUDE_DIR} : ${GPERFTOOLS_TCMALLOC}")