CMakeLists.txt

cmake_minimum_required(VERSION 3.20)
project(
    HelloWorld
    LANGUAGES CXX
)

# ---- Include guards ----
if (PROJECT_SOURCE_DIR STREQUAL PROJECT_BINARY_DIR)
    message(
        FATAL_ERROR
        "In-source builds not allowed. Please make a new directory (called a build directory) and run CMake from there."
    )
endif ()

file(GLOB_RECURSE HEADERS "${CMAKE_CURRENT_SOURCE_DIR}/include/*.h" "${CMAKE_CURRENT_SOURCE_DIR}/src/*.h")
file(GLOB_RECURSE SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/src/*.cpp")

add_executable(${PROJECT_NAME} ${HEADERS} ${SOURCES})

set_property(TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD_REQUIRED ON)
set_property(TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 20)
set_property(TARGET ${PROJECT_NAME} PROPERTY LINKER_LANGUAGE CXX)

target_compile_options(${PROJECT_NAME} PUBLIC "$<$<COMPILE_LANG_AND_ID:CXX,MSVC>:/permissive->")

target_include_directories(
    ${PROJECT_NAME}
    PUBLIC
    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
    PRIVATE
    ${CMAKE_CURRENT_SOURCE_DIR}/src
)

target_precompile_headers(
    ${PROJECT_NAME}
    PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/src/pch.h"
)