# Copyright (c) 2023, AgiBot Inc.
# All rights reserved.

include(FetchContent)

message(STATUS "get libunifex ...")

set(libunifex_DOWNLOAD_URL
    "https://github.com/facebookexperimental/libunifex/archive/591ec09e7d51858ad05be979d4034574215f5971.tar.gz"
    CACHE STRING "")

if(libunifex_LOCAL_SOURCE)
  FetchContent_Declare(
    libunifex
    SOURCE_DIR ${libunifex_LOCAL_SOURCE}
    OVERRIDE_FIND_PACKAGE)
else()
  FetchContent_Declare(
    libunifex
    URL ${libunifex_DOWNLOAD_URL}
    DOWNLOAD_EXTRACT_TIMESTAMP TRUE
    OVERRIDE_FIND_PACKAGE)
endif()

# Wrap it in a function to restrict the scope of the variables
function(get_libunifex)
  FetchContent_GetProperties(libunifex)
  if(NOT libunifex_POPULATED)
    set(UNIFEX_BUILD_EXAMPLES OFF)

    FetchContent_MakeAvailable(libunifex)

    if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
      target_compile_options(unifex PRIVATE -Wno-unused-but-set-variable)
    endif()

    add_library(unifex::unifex ALIAS unifex)
  endif()
endfunction()

get_libunifex()

# import targets:
# unifex::unifex