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[cmake] Enable Linktime optimizations when available, bump cmake requirement to 3.9.6
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@ -19,8 +19,8 @@
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#
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#
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# ##############################################################################
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# ##############################################################################
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cmake_minimum_required(VERSION 3.3.2 FATAL_ERROR)
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cmake_minimum_required(VERSION 3.9.6 FATAL_ERROR)
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cmake_policy(VERSION 3.3.2)
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cmake_policy(VERSION 3.9.6)
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if(POLICY CMP0074)
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if(POLICY CMP0074)
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cmake_policy(SET CMP0074 NEW)
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cmake_policy(SET CMP0074 NEW)
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endif()
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endif()
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@ -94,6 +94,18 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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# Global compiler options
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# Global compiler options
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option(BUILD_SHARED_LIBS "Enable compilation of shared libraries" OFF)
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option(BUILD_SHARED_LIBS "Enable compilation of shared libraries" OFF)
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add_compile_options($<$<CONFIG:Debug>:-ggdb3>)
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add_compile_options($<$<CONFIG:Debug>:-ggdb3>)
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cmake_policy(SET CMP0069 NEW)
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include(CheckIPOSupported)
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check_ipo_supported(RESULT ipo_supported)
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if(NOT ipo_supported)
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message(STATUS "Linktime optimizations could not be enabled!")
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else()
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message(STATUS "Linktime optimizations enabled!")
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set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
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if(CMAKE_SYSTEM_NAME EQUAL "Linux")
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add_link_options($<$<CXX_COMPILER_ID:Clang>:-fuse-ld=gold>)
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endif()
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endif()
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# Create an Interface target for compiler warnings
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# Create an Interface target for compiler warnings
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add_library(${PROJECT_NAME}_warnings INTERFACE)
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add_library(${PROJECT_NAME}_warnings INTERFACE)
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