fix build (#602)

* fix build

* fix freebsd

CMakeLists.txt

@@ -172,6 +172,8 @@ include (cmake/find_readline_edit.cmake)
 include (cmake/find_zookeeper.cmake)
 include (cmake/find_double-conversion.cmake)
 include (cmake/find_re2.cmake)
+include (libs/libcommon/cmake/find_gperftools.cmake)
+include (libs/libcommon/cmake/find_jemalloc.cmake)
 
 set (FULL_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE}}")
 set (FULL_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}}")

dbms/include/DB/Core/SortDescription.h

@@ -3,6 +3,7 @@
 #include <vector>
 #include <memory>
 #include <cstddef>
+#include <string>
 
 
 class Collator;

libs/libcommon/CMakeLists.txt

@@ -56,9 +56,6 @@ add_library (common
 	${CONFIG_COMMON}
 )
 
-include (cmake/find_gperftools.cmake)
-include (cmake/find_jemalloc.cmake)
-
 # When testing for memory leaks, dont link tcmalloc or jemalloc.
 
 if (USE_JEMALLOC)