cmake_minimum_required(VERSION 3.0)
cmake_policy(SET CMP0011 NEW) # don`t affect includer policies
cmake_policy(SET CMP0017 NEW) # need include() with .cmake
cmake_policy(SET CMP0020 NEW) # Automatically link Qt executables to qtmain target on Windows
if (POLICY CMP0053)
	cmake_policy(SET CMP0053 NEW) # simpler variable expansion and escape sequence evaluation rules
endif()
project(shstk)
set(CMAKE_MODULE_PATH
	"${CMAKE_CURRENT_SOURCE_DIR}"
	"${CMAKE_CURRENT_SOURCE_DIR}/cmake"
	"${CMAKE_CURRENT_SOURCE_DIR}/pip/cmake"
	"${CMAKE_CURRENT_SOURCE_DIR}/qad/cmake"
	"${CMAKE_CURRENT_SOURCE_DIR}/cd_utils/cmake"
	)

include(QtWraps)
include(SHSTKMacros)

shstk_begin_project("" "")

option(CROSSTOOLS "Crosstools minimal build" OFF)
option(QGLVIEW "Build QGLView library and utils" OFF)
option(QGLENGINE "Build QGLEngine library and utils" OFF)
option(UTILS "Build various utils" ${_plugins_default_})
option(DESIGNER_PLUGINS "Build Qt designer plugins" ${_plugins_default_})
if (CROSSTOOLS)
	set(LIB 1)
	set(QGLVIEW 0)
	set(QGLENGINE 0)
	set(UTILS 0)
	set(DESIGNER_PLUGINS 0)
endif()
set(CMAKE_CXX_STANDARD 11)

add_subdirectory(pip)
find_package(PIP REQUIRED)

find_qt(Core QUIET)
if (SOME_QT_FOUND)

	add_subdirectory(qad)
	find_package(QAD REQUIRED)

endif()

#message("cmg = \"${PIP_CMG}\"")
#if (PIP_FOUND)
#	message("found pip = \"${PIP_FOUND}\"")
#endif()
#message("inc = \"${PIP_INCLUDES}\"")

qt_add_executable(aaa ${CMAKE_CURRENT_SOURCE_DIR}/pip/main.cpp)
qt_target_link_libraries(aaa QAD::PIQtUtils)
#deploy_target(aaa DEPLOY_DIR ${CMAKE_CURRENT_BINARY_DIR})

return()

add_subdirectory(cmake)

if (CROSSTOOLS)

	add_subdirectory(pip)
	file(GLOB CMAKES "qad/cmake/*.cmake" "qad/cmake/*.in")
	install(FILES ${CMAKES} DESTINATION ${CMAKE_ROOT}/Modules)

else()

	include(QtWraps)
	find_qt(Core QUIET)
	set(QtVersions)
	set(SomeQtFound 0)
	foreach(_v ${_QT_VERSIONS_})
		option(Qt${_v} "Build for Qt${_v}" 1)
		if (Qt${_v})
			#message("Qt${_v} -> ${LOCAL_FOUND${_v}}")
			if (LOCAL_FOUND${_v})
				list(APPEND QtVersions Qt${_v})
				set(SomeQtFound 1)
			endif()
		endif()
	endforeach()

	#if(UTILS)
	#	message(STATUS "Building with utils")
	#else()
	#	message(STATUS "Building only libraries")
	#endif()

	add_subdirectory(pip)
	foreach(F ${PIP_MAIN_FOLDERS})
		list(APPEND PIP_INCLUDES "${F}")
	endforeach(F)
	add_subdirectory(cd_utils)
	include_directories("${CMAKE_CURRENT_SOURCE_DIR}/cd_utils" "${CMAKE_CURRENT_BINARY_DIR}/cd_utils")
	set(_DIRS)
	if (SomeQtFound)
		#message(STATUS "Building Qt-derived targets for ${QtVersions}")
		add_subdirectory(qad)
		include_directories(${qad_includes})
		add_subdirectory(piqt)
		include_directories(${piqt_includes})
		set(_DIRS)
		if (Qt5)
			if (QGLVIEW)
				list(APPEND _DIRS qglview)
			endif()
			if (QGLENGINE)
				list(APPEND _DIRS qglengine)
			endif()
		endif()
		foreach(_D ${_DIRS})
			list(APPEND QT_MULTILIB_LIST ${_D})
			add_subdirectory(${_D})
		endforeach(_D)

		macro(align_list _list _out)
			set(_max_len 0)
			foreach(_m ${_list})
				string(LENGTH "${_m}" _clen)
				if (_clen GREATER _max_len)
					set(_max_len ${_clen})
				endif()
			endforeach()
			set(${_out})
			foreach(_m ${_list})
				set(_am "${_m}")
				while(TRUE)
					string(LENGTH "${_am}" _clen)
					if (_clen GREATER_EQUAL ${_max_len})
						break()
					endif()
					string(APPEND _am " ")
				endwhile()
				list(APPEND ${_out} "${_am}")
			endforeach()
		endmacro()

		macro(print_list _list _name)
			if (NOT "x${_list}" STREQUAL "x")
				message("")
				message(" ${_name}:")
				#align_list("${_list}" _alist)
				foreach(_m ${_list})
					message("  * ${_m}")
				endforeach()
			endif()
		endmacro()

		message("----------QAD-----------")
		message(" Build for ${QtVersions}")
		message(" QAD  Version: ${QAD_VERSION}")
		message(" QAD  Linkage: ${QAD_LIB_TYPE_MSG}")
		message(" PIQt Version: ${PIQt_VERSION}")
		message(" PIQt Linkage: ${PIQt_LIB_TYPE_MSG}")
		print_list("${_qt_libs}"  "Libraries")
		print_list("${_qt_apps}"  "Applications")
		print_list("${_qt_plugs}" "Plugins")
		message("-----------------------")
		message("")

	else()
		message(STATUS "None of Qt found, skip Qt-derived targets")
	endif()

endif()

if(WIN32)
	foreach(PIP_LT ${PIP_MODULES})
		if (SomeQtFound)
			qt_install(FILES "${CMAKE_CURRENT_BINARY_DIR}/pip/lib${PIP_LT}.dll" DESTINATION QtBin)
		endif()
	endforeach()
endif()