thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-21 23:21:59 +00:00
Code Issues Packages Projects Releases Wiki Activity

Enable link time optimization (-flto).

Browse Source 
This reduce target's size by 30%.

Signed-off-by: Alexander GQ Gerasiov <gq@cs.msu.su>
This commit is contained in:
Alexander GQ Gerasiov 2019-01-16 01:39:01 +03:00 committed by proller
parent 8124ee50e8
commit e1f818a1b6
1 changed files with 16 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
CMakeLists.txt
View File

@ -1,8 +1,23 @@
project (ClickHouse)
cmake_minimum_required (VERSION 3.3)
cmake_minimum_required (VERSION 3.9)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules/")
set(ENABLE_IPO OFF CACHE STRING "Enable inter-procedural optimization (aka LTO)")
if (ENABLE_IPO)
include(CheckIPOSupported)
check_ipo_supported(RESULT IPO_SUPPORTED OUTPUT IPO_NOT_SUPPORTED)
if(IPO_SUPPORTED)
message(STATUS "IPO/LTO is supported, enabling")
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
else()
message(STATUS "IPO/LTO is not supported: <${IPO_NOT_SUPPORTED}>")
endif()
else()
message(STATUS "IPO/LTO not enabled.")
endif()
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
# Require at least gcc 7
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7 AND NOT CMAKE_VERSION VERSION_LESS 2.8.9)