September 2018
Intermediate to advanced
606 pages
14h 32m
English
Content preview from CMake Cookbook
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How to do it
According to the documentation of the Eigen library, it is sufficient to set the appropriate compiler flag to enable the generation of vectorized code. Let us look at CMakeLists.txt:
- We declare a C++11 project:
cmake_minimum_required(VERSION 3.5 FATAL_ERROR) project(recipe-06 LANGUAGES CXX)set(CMAKE_CXX_STANDARD 11)set(CMAKE_CXX_EXTENSIONS OFF)set(CMAKE_CXX_STANDARD_REQUIRED ON)
- Since we wish to use the Eigen library, we need to find its header files on the system:
find_package(Eigen3 3.3 REQUIRED CONFIG)
- We include the CheckCXXCompilerFlag.cmake standard module file:
include(CheckCXXCompilerFlag)
- We check that the -march=native compiler flag works:
check_cxx_compiler_flag("-march=native" _march_native_works)
- The alternative ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.