cmake_minimum_required(VERSION 2.8.3)
project(glviewer)

include(FindPkgConfig)

find_package(autoware_build_flags REQUIRED)
find_package(catkin REQUIRED COMPONENTS
  roscpp
)

find_package(Eigen3 QUIET)

if(NOT EIGEN3_FOUND)
  # Fallback to cmake_modules
  find_package(cmake_modules REQUIRED)
  find_package(Eigen REQUIRED)
  set(EIGEN3_INCLUDE_DIRS ${EIGEN_INCLUDE_DIRS})
  set(EIGEN3_LIBRARIES ${EIGEN_LIBRARIES})  # Not strictly necessary as Eigen is head only
  # Possibly map additional variables to the EIGEN3_ prefix.
else()
  set(EIGEN3_INCLUDE_DIRS ${EIGEN3_INCLUDE_DIR})
endif()

set(CMAKE_AUTOMOC ON)
#set(CMAKE_AUTOUIC ON)
#set(CMAKE_AUTORCC ON)
set(CMAKE_INCLUDE_CURRENT_DIR ON)

SET(CMAKE_CXX_FLAGS "-O2 -g -Wall ${CMAKE_CXX_FLAGS}")

find_package(Qt5Core REQUIRED)
find_package(Qt5Widgets REQUIRED)
find_package(Qt5OpenGL REQUIRED)
find_package(Qt5Gui REQUIRED)

find_package(OpenGL REQUIRED)

catkin_package(
  INCLUDE_DIRS include
  LIBRARIES glviewer
)

if("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86_64" OR "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "i686" OR "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "aarch64")
  include_directories(
    include
    ${catkin_INCLUDE_DIRS}
    ${CMAKE_CURRENT_SOURCE_DIR}
    ${CMAKE_CURRENT_BINARY_DIR}
    ${EIGEN3_INCLUDE_DIRS}
  )

  qt5_wrap_cpp(glviewer_SRC
    include/glviewer/glviewer.h
  )

  add_library(glviewer
    GLViewer/glviewer.cpp
    ${glviewer_SRC}
  )

  target_link_libraries(glviewer
    ${catkin_LIBRARIES}
    ${EIGEN3_LIBRARIES}
    Qt5::Core
    Qt5::Widgets
    Qt5::OpenGL
    Qt5::Gui
    ${OPENGL_LIBRARIES}
  )

  install(DIRECTORY include/${PROJECT_NAME}/
    DESTINATION ${CATKIN_PACKAGE_INCLUDE_DESTINATION}
    FILES_MATCHING PATTERN "*.h"
  )

  install(TARGETS glviewer
    ARCHIVE DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
    LIBRARY DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
    RUNTIME DESTINATION ${CATKIN_PACKAGE_BIN_DESTINATION}
  )
endif()