Sandbox::https://github.com/codecov/example-cpp11-cmake/blob/master/CMakeLists.txt

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cmake_minimum_required (VERSION 3.1)

project(Example LANGUAGES CXX)

# Use C++11

set(CMAKE_CXX_STANDARD 11)

# Require (at least) it

set(CMAKE_CXX_STANDARD_REQUIRED ON)

# Don't use e.g. GNU extension (like -std=gnu++11) for portability

set(CMAKE_CXX_EXTENSIONS OFF)

# Code Coverage Configuration

add_library(coverage_config INTERFACE)

option(CODE_COVERAGE "Enable coverage reporting" OFF)

if(CODE_COVERAGE AND CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")

# Add required flags (GCC & LLVM/Clang)

target_compile_options(coverage_config INTERFACE

-O0 # no optimization

-g # generate debug info

--coverage # sets all required flags

)

if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.13)

target_link_options(coverage_config INTERFACE --coverage)

else()

target_link_libraries(coverage_config INTERFACE --coverage)

endif()

endif(CODE_COVERAGE AND CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")

add_subdirectory(src)

option (BUILD_TESTING "Build the testing tree." ON)

# Only build tests if we are the top-level project

# Allows this to be used by super projects with `add_subdirectory`

if (BUILD_TESTING AND (PROJECT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR))

enable_testing()

add_subdirectory(tests)

endif()