Added CCTZ to build [#CLICKHOUSE-2].

contrib/CMakeLists.txt

@@ -17,6 +17,7 @@ add_subdirectory (libcityhash)
 add_subdirectory (libfarmhash)
 add_subdirectory (libmetrohash)
 add_subdirectory (libzlib-ng)
+add_subdirectory (libcctz)
 
 if (ENABLE_LIBTCMALLOC AND USE_INTERNAL_GPERFTOOLS_LIBRARY)
 	add_subdirectory (libtcmalloc)

contrib/libcctz/CMakeLists.txt

+include_directories (include)
+
+add_library(cctz
+    src/time_zone_libc.cc
+    src/time_zone_posix.cc
+    src/time_zone_lookup.cc
+    src/time_zone_info.cc
+    src/time_zone_if.cc
+    src/time_zone_format.cc
+    src/time_tool.cc
+    src/time_zone_impl.cc
+
+    src/time_zone_libc.h
+    src/time_zone_if.h
+    src/tzfile.h
+    src/time_zone_impl.h
+    src/time_zone_posix.h
+    src/time_zone_info.h
+
+    include/time_zone.h
+    include/civil_time_detail.h
+    include/civil_time.h)