# This is not meant to be included by the top-level.
cmake_minimum_required(VERSION 3.16)
project(NVIM_DEPS C)

if(POLICY CMP0135)
  cmake_policy(SET CMP0135 NEW)
endif()

# Point CMake at any custom modules we may ship
list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake" "${PROJECT_SOURCE_DIR}/../cmake")

include(CheckCCompilerFlag)
include(ExternalProject)
include(FindPackageHandleStandardArgs)

include(Deps)
include(Find)
include(Util)

#-------------------------------------------------------------------------------
# User settings
#-------------------------------------------------------------------------------

set(DEPS_IGNORE_SHA FALSE)

# Options
option(USE_BUNDLED "Use bundled dependencies." ON)

option(USE_BUNDLED_LIBUV "Use the bundled libuv." ${USE_BUNDLED})
option(USE_BUNDLED_LPEG "Use the bundled lpeg." ${USE_BUNDLED})
# PUC Lua is only used for tests, unless explicitly requested.
option(USE_BUNDLED_LUA "Use the bundled version of lua." OFF)
option(USE_BUNDLED_LUAJIT "Use the bundled version of luajit." ${USE_BUNDLED})
option(USE_BUNDLED_LUV "Use the bundled version of luv." ${USE_BUNDLED})
option(USE_BUNDLED_TS "Use the bundled treesitter runtime." ${USE_BUNDLED})
option(USE_BUNDLED_TS_PARSERS "Use the bundled treesitter parsers." ${USE_BUNDLED})
option(USE_BUNDLED_UNIBILIUM "Use the bundled unibilium." ${USE_BUNDLED})
option(USE_BUNDLED_UTF8PROC "Use the bundled utf8proc library." ${USE_BUNDLED})

if(USE_BUNDLED AND MSVC)
  option(USE_BUNDLED_GETTEXT "Use the bundled version of gettext." ON)
  option(USE_BUNDLED_LIBICONV "Use the bundled version of libiconv." ON)
else()
  option(USE_BUNDLED_GETTEXT "Use the bundled version of gettext." OFF)
  option(USE_BUNDLED_LIBICONV "Use the bundled version of libiconv." OFF)
endif()

option(ENABLE_WASMTIME "Use treesitter with wasmtime support." OFF)
if(ENABLE_WASMTIME)
  if(USE_BUNDLED)
    option(USE_BUNDLED_WASMTIME "Use the bundled wasmtime." ON)
  else()
    option(USE_BUNDLED_WASMTIME "Use the bundled wasmtime." OFF)
  endif()
endif()
if(NOT ENABLE_WASMTIME AND USE_BUNDLED_WASMTIME)
  message(FATAL_ERROR "ENABLE_WASMTIME is set to OFF while USE_BUNDLED_WASMTIME is set to ON.\
  You need set ENABLE_WASMTIME to ON if you want to use wasmtime.")
endif()

option(USE_EXISTING_SRC_DIR "Skip download of deps sources in case of existing source