set(CMAKE_GENERATOR "Unix Makefiles")
message("generator is set to ${CMAKE_GENERATOR}")

cmake_minimum_required(VERSION 2.8)

project(cmake_qt_test)

include (CMakeForceCompiler)

find_package(PkgConfig REQUIRED)
pkg_check_modules(QTCORE REQUIRED Qt5Core)
# pkg_check_modules(QTGUI REQUIRED Qt5Gui)
pkg_check_modules(QTWIDGETS REQUIRED Qt5Widgets)

find_package(Qt5Widgets)

#include_directories(${PROJECT_SOURCE_DIR} ${QTWIDGETS_INCLUDE_DIRS} ${QTCORE_INCLUDE_DIRS})

#message("Qt5 Core include directory is set to ${QTCORE_INCLUDE_DIRS}")
## message("Qt5 GUI include directory is set to ${QTGUI_INCLUDE_DIRS}")
#message("Qt5 Core include directory is set to ${QTWIDGETS_INCLUDE_DIRS}")
#get_property(inc_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
#message("all project include directories: ${inc_dirs}")

#target_link_libraries(${PROJECT_NAME} m ${QTWIDGETS_LIBRARIES} ${QTCORE_LIBRARIES})

# Instruct CMake to run moc automatically when needed.
set(CMAKE_AUTOMOC ON)

#set_target_properties(${PROJECT_NAME} PROPERTIES AUTOMOC TRUE)
#set (MOC_HEADERS mainwindow.h)

#set(CMAKE_AUTOUIC ON)

#set(UIS mainwindow.ui)

set(CMAKE_INCLUDE_CURRENT_DIR ON)

qt5_wrap_cpp(mainwindow_moc mainwindow.h)
qt5_wrap_ui(mainwindow_gui mainwindow.ui)

add_library(mainwindow ${mainwindow_moc} ${mainwindow_gui})
qt5_use_modules(mainwindow Widgets)

add_executable(${PROJECT_NAME} "main.cpp" mainwindow)
qt5_use_modules(${PROJECT_NAME} Core Gui Widgets)

SET(CMAKE_POSITION_INDEPENDENT_CODE ON)
SET (CMAKE_CXX_FLAGS "-fPIC")

# Add -O0 to remove optimizations when using gcc
IF(CMAKE_COMPILER_IS_GNUCC)
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O0")
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0")
ENDIF(CMAKE_COMPILER_IS_GNUCC)