CMakeLists.txt

cmake_minimum_required(VERSION 3.18)

project(
    Json
    VERSION 0.0.0
    DESCRIPTION "A JSON parsing and serializing utility library for C++" 
    LANGUAGES CXX
)

# Only do these if this is the main project, and not if it is included through add_subdirectory
if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
  # Ensure -std=c++xx instead of -std=g++xx
  set(CMAKE_CXX_EXTENSIONS OFF)

  # Support folders in IDEs
  set_property(GLOBAL PROPERTY USE_FOLDERS ON)

  # Testing only available if this is the main app
  include(CTest)

  # Examples
  #add_subdirectory(examples)

  # Docs only available if this is the main app
  find_package(Doxygen)
  if(Doxygen_FOUND)
    add_subdirectory(docs)
  else()
    message(STATUS "Doxygen not found, not building docs")
  endif()
endif()

configure_file(version.h.in version.h)

set(PROJECT_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include)

# The compiled library code is here
add_subdirectory(src)

# Testing only available if this is the main app
# Emergency override MODERN_CMAKE_BUILD_TESTING provided as well
if((CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME OR MODERN_CMAKE_BUILD_TESTING) AND BUILD_TESTING)
   add_subdirectory(tests)
endif()