cmake_minimum_required(VERSION "3.27.0")

project("elf"
  DESCRIPTION "ELF file format library"
  VERSION "0.0.1"
  LANGUAGES CXX
)

include("CTest")

#[============================================================================[
# External Dependencies
#]============================================================================]

include("FetchContent")

if (BUILD_TESTING)
  FetchContent_Declare(
    "Catch2"
    URL "https://github.com/catchorg/Catch2/archive/refs/tags/v3.7.1.tar.gz"
    URL_HASH "SHA256=c991b247a1a0d7bb9c39aa35faf0fe9e19764213f28ffba3109388e62ee0269c"
    EXCLUDE_FROM_ALL
    FIND_PACKAGE_ARGS
  )

  FetchContent_MakeAvailable("Catch2")

  find_package("Catch2")
  include("Catch")
endif()

#[============================================================================[
# Library
#]============================================================================]

add_library("elf" INTERFACE)
add_library("elf::lib" ALIAS "elf")

file(GLOB_RECURSE ELF_HEADERS
    RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
    CONFIGURE_DEPENDS
    "elf/**.hpp"
)

target_sources("elf" INTERFACE
    FILE_SET HEADERS
    BASE_DIRS "elf"
    FILES
    ${ELF_HEADERS}
)

target_include_directories("elf" INTERFACE
    "${CMAKE_CURRENT_SOURCE_DIR}"
)

set_target_properties("elf" PROPERTIES
    VERIFY_INTERFACE_HEADER_SETS YES
)