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IPO fixes

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This commit is contained in:
proller 2019-01-25 22:18:05 +03:00
parent e1f818a1b6
commit dd16a012a4
1 changed files with 12 additions and 12 deletions
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24
CMakeLists.txt
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@ -1,19 +1,19 @@
project (ClickHouse)
cmake_minimum_required (VERSION 3.9)
cmake_minimum_required (VERSION 3.3)
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: <${IPO_NOT_SUPPORTED}>")
endif()
option(ENABLE_IPO "Enable inter-procedural optimization (aka LTO)" OFF) # need cmake 3.9+
if(ENABLE_IPO)
cmake_policy(SET CMP0069 NEW)
include(CheckIPOSupported)
check_ipo_supported(RESULT IPO_SUPPORTED OUTPUT IPO_NOT_SUPPORTED)
if(IPO_SUPPORTED)
message(STATUS "IPO/LTO is supported, enabling")
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
else()
message(STATUS "IPO/LTO is not supported: <${IPO_NOT_SUPPORTED}>")
endif()
else()
message(STATUS "IPO/LTO not enabled.")
endif()