cmake_minimum_required(VERSION 3.15)

project($framework)

set(MODULES "$modules")

# Enable C++11
set (CMAKE_CXX_STANDARD 11)
set (CMAKE_CXX_STANDARD_REQUIRED TRUE)

set (OBJC_COMPILE_FLAGS "-fobjc-arc -fobjc-weak -fvisibility=hidden -fPIC -D__OPENCV_BUILD=1")
set (SUPPRESS_WARNINGS_FLAGS "-Wno-incomplete-umbrella")
set (CMAKE_CXX_FLAGS  "$${CMAKE_CXX_FLAGS} $${OBJC_COMPILE_FLAGS} $${SUPPRESS_WARNINGS_FLAGS}")

# grab the files
file(GLOB_RECURSE objc_sources "objc/*\.h" "objc/*\.m" "objc/*\.mm" "objc/*\.swift" "objc/*\.modulemap")
file(GLOB_RECURSE objc_headers "*\.h")

add_library($framework STATIC $${objc_sources})

set_target_properties($framework PROPERTIES LINKER_LANGUAGE CXX)

target_include_directories($framework PRIVATE "$${BUILD_ROOT}")
target_include_directories($framework PRIVATE "$${BUILD_ROOT}/install/include")
target_include_directories($framework PRIVATE "$${BUILD_ROOT}/install/include/opencv2")
foreach(m $${MODULES})
  target_include_directories($framework PRIVATE "$${BUILD_ROOT}/modules/objc/gen/objc/$${m}")
endforeach()

install(TARGETS $framework LIBRARY DESTINATION lib)

enable_language(Swift)

# Additional target properties
if (CMAKE_XCODE_BUILD_SYSTEM GREATER_EQUAL 12)
  set_target_properties($framework PROPERTIES
      OUTPUT_NAME "$framework"
      ARCHIVE_OUTPUT_DIRECTORY "$${BUILD_ROOT}/lib"
      XCODE_ATTRIBUTE_SWIFT_VERSION 5.0
      XCODE_ATTRIBUTE_DEFINES_MODULE YES
      XCODE_ATTRIBUTE_BUILD_LIBRARY_FOR_DISTRIBUTION YES
      XCODE_ATTRIBUTE_OTHER_SWIFT_FLAGS "-Xcc $${SUPPRESS_WARNINGS_FLAGS}"
      XCODE_ATTRIBUTE_MODULEMAP_FILE objc/$framework.modulemap
      XCODE_ATTRIBUTE_PRODUCT_BUNDLE_IDENTIFIER org.opencv.$framework
      FRAMEWORK TRUE
      MACOSX_FRAMEWORK_IDENTIFIER org.opencv.$framework
      PUBLIC_HEADER "$${objc_headers}"
      DEFINE_SYMBOL CVAPI_EXPORTS
      )
else()
  set_target_properties($framework PROPERTIES
      OUTPUT_NAME "$framework"
      ARCHIVE_OUTPUT_DIRECTORY "$${BUILD_ROOT}/lib"
      XCODE_ATTRIBUTE_SWIFT_VERSION 5.0
      XCODE_ATTRIBUTE_DEFINES_MODULE YES
      XCODE_ATTRIBUTE_OTHER_SWIFT_FLAGS "-Xcc $${SUPPRESS_WARNINGS_FLAGS}"
      XCODE_ATTRIBUTE_MODULEMAP_FILE objc/$framework.modulemap
      XCODE_ATTRIBUTE_PRODUCT_BUNDLE_IDENTIFIER org.opencv.$framework
      FRAMEWORK TRUE
      MACOSX_FRAMEWORK_IDENTIFIER org.opencv.$framework
      PUBLIC_HEADER "$${objc_headers}"
      DEFINE_SYMBOL CVAPI_EXPORTS
      )
endif()