Check for large translation units

CMakeLists.txt

@@ -622,3 +622,10 @@ if (NATIVE_BUILD_TARGETS
         COMMAND ${CMAKE_COMMAND} --build "${NATIVE_BUILD_DIR}" --target ${NATIVE_BUILD_TARGETS}
         COMMAND_ECHO STDOUT)
 endif ()
+
+if (CMAKE_BUILD_TYPE_UC STREQUAL "RELWITHDEBINFO")
+    set(CHECK_LARGE_OBJECT_SIZES_DEFAULT ON)
+else ()
+    set(CHECK_LARGE_OBJECT_SIZES_DEFAULT OFF)
+endif ()
+option(CHECK_LARGE_OBJECT_SIZES "Check that there are no large object files after build." ${CHECK_LARGE_OBJECT_SIZES_DEFAULT})

programs/CMakeLists.txt

@@ -432,6 +432,11 @@ if (USE_BINARY_HASH)
     add_custom_command(TARGET clickhouse POST_BUILD COMMAND ./clickhouse hash-binary > hash && ${OBJCOPY_PATH} --add-section .clickhouse.hash=hash clickhouse COMMENT "Adding section '.clickhouse.hash' to clickhouse binary" VERBATIM)
 endif()
 
+if (CHECK_LARGE_OBJECT_SIZES)
+    add_custom_command(TARGET clickhouse POST_BUILD
+        COMMAND "${CMAKE_SOURCE_DIR}/utils/check-style/check-large-objects.sh" "${CMAKE_BINARY_DIR}")
+endif ()
+
 if (SPLIT_DEBUG_SYMBOLS)
     clickhouse_split_debug_symbols(TARGET clickhouse DESTINATION_DIR ${CMAKE_CURRENT_BINARY_DIR}/${SPLITTED_DEBUG_SYMBOLS_DIR} BINARY_PATH clickhouse)
 else()

utils/check-style/check-large-objects.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+# Check that there are no new translation units compiled to an object file larger than a certain size.
+
+if find $1 -name '*.o' | xargs wc -c | grep -v total | sort -rn | awk '{ if ($1 > 50000000) print }' \
+    | grep -v -P 'CastOverloadResolver|AggregateFunctionMax|AggregateFunctionMin|RangeHashedDictionary|Aggregator|AggregateFunctionUniq'
+then
+    echo "^ It's not allowed to have so large translation units."
+    exit 1
+fi