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cmake_minimum_required(VERSION 3.1.3...3.16)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/")
include(gsl_functions)
project(GSL
VERSION 4.0.0
LANGUAGES CXX
)
# Creates a library GSL which is an interface (header files only)
add_library(GSL INTERFACE)
# NOTE: If you want to use GSL prefer to link against GSL using this alias target
# EX:
# target_link_libraries(foobar PRIVATE Microsoft.GSL::GSL)
#
# Add Microsoft.GSL::GSL alias for GSL so that dependents can be agnostic about
# whether GSL was added via `add_subdirectory` or `find_package`
add_library(Microsoft.GSL::GSL ALIAS GSL)
# https://cmake.org/cmake/help/latest/variable/PROJECT_IS_TOP_LEVEL.html
string(COMPARE EQUAL ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_SOURCE_DIR} PROJECT_IS_TOP_LEVEL)
option(GSL_INSTALL "Generate and install GSL target" ${PROJECT_IS_TOP_LEVEL})
option(GSL_TEST "Build and perform GSL tests" ${PROJECT_IS_TOP_LEVEL})
# This GSL implementation generally assumes a platform that implements C++14 support.
set(gsl_min_cxx_standard "14")
if (PROJECT_IS_TOP_LEVEL)
gsl_set_default_cxx_standard(${gsl_min_cxx_standard})
else()
gsl_client_set_cxx_standard(${gsl_min_cxx_standard})
endif()
# Setup include directory
add_subdirectory(include)
# Add natvis file
gsl_add_native_visualizer_support()
if (GSL_INSTALL)
include(gsl_install)
endif()
if (GSL_TEST)
enable_testing()
add_subdirectory(tests)
endif()
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