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Cmake build: Use interprocedural optimization if possible
With gnu compilers this adds -flto and -fno-fat-lto-objects to compiler and linker flags.
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6
3rdparty/hunspell/CMakeLists.txt
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6
3rdparty/hunspell/CMakeLists.txt
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@ -1,5 +1,9 @@
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cmake_minimum_required(VERSION 2.8)
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cmake_minimum_required(VERSION 3.1)
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if (POLICY CMP0069)
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cmake_policy(SET CMP0069 NEW)
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endif()
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project(hunspell)
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7
3rdparty/libiconv/CMakeLists.txt
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7
3rdparty/libiconv/CMakeLists.txt
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@ -5,7 +5,12 @@
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# Please note that the package source code is licensed under its own license.
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project ( libiconv C )
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cmake_minimum_required ( VERSION 2.8 )
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cmake_minimum_required(VERSION 3.1)
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if (POLICY CMP0069)
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cmake_policy(SET CMP0069 NEW)
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endif()
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set(CMAKE_MODULE_PATH .)
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include ( configure.cmake )
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6
3rdparty/mythes/CMakeLists.txt
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6
3rdparty/mythes/CMakeLists.txt
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@ -1,4 +1,8 @@
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cmake_minimum_required(VERSION 2.8)
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cmake_minimum_required(VERSION 3.1)
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if (POLICY CMP0069)
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cmake_policy(SET CMP0069 NEW)
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endif()
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set(VERSION "1.2.5")
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set(SRCDIR ${CMAKE_CURRENT_SOURCE_DIR}/${VERSION})
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7
3rdparty/zlib/CMakeLists.txt
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7
3rdparty/zlib/CMakeLists.txt
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@ -1,4 +1,9 @@
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cmake_minimum_required(VERSION 2.4.4)
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cmake_minimum_required(VERSION 3.1)
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if (POLICY CMP0069)
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cmake_policy(SET CMP0069 NEW)
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endif()
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set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON)
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project(zlib C)
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@ -81,6 +81,18 @@ if(NOT help AND NOT HELP)
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message(FATAL_ERROR "Exiting")
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endif()
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endif()
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# Enable LTO if supported
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if (POLICY CMP0069)
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cmake_policy(SET CMP0069 NEW)
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include(CheckIPOSupported)
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check_ipo_supported(RESULT result OUTPUT reason LANGUAGES CXX)
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if(result)
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message(STATUS "Setting IPO True")
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set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
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else()
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message(STATUS "Not setting IPO , result = ${result}, reason = ${reason}")
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endif()
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endif()
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endif()
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if(UNIX)
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