CMakeLists.txt

cmake_minimum_required(VERSION 3.14 FATAL_ERROR)

project(CPMSol2Example)

# ---- Dependencies ----

include(../../cmake/CPM.cmake)

CPMAddPackage(
  NAME lua
  GIT_REPOSITORY https://github.com/lua/lua.git
  VERSION 5.3.5
  DOWNLOAD_ONLY YES
)

if(lua_ADDED)
  # lua has no CMakeLists, so we create our own target

  file(GLOB lua_sources ${lua_SOURCE_DIR}/*.c)
  list(REMOVE_ITEM lua_sources "${lua_SOURCE_DIR}/lua.c" "${lua_SOURCE_DIR}/luac.c")
  add_library(lua STATIC ${lua_sources})

  target_include_directories(lua SYSTEM PUBLIC $<BUILD_INTERFACE:${lua_SOURCE_DIR}>)
endif()

CPMAddPackage(
  NAME sol2
  URL https://github.com/ThePhD/sol2/archive/v3.0.2.zip
  VERSION 3.0.2
  DOWNLOAD_ONLY YES
)

if(sol2_ADDED)
  add_library(sol2 INTERFACE IMPORTED)
  target_include_directories(sol2 SYSTEM INTERFACE ${sol2_SOURCE_DIR}/include)
  target_link_libraries(sol2 INTERFACE lua)
endif()

# ---- Executable ----

add_executable(CPMSol2Example main.cpp)
target_compile_features(CPMSol2Example PRIVATE cxx_std_17)
target_link_libraries(CPMSol2Example sol2)