manageQt5.cmake

#   Copyright 2002-2019 CEA LIST
#
#   This file is part of LIMA.
#
#   LIMA is free software: you can redistribute it and/or modify
#   it under the terms of the GNU Affero General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   LIMA is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU Affero General Public License for more details.
#
#   You should have received a copy of the GNU Affero General Public License
#   along with LIMA.  If not, see <http://www.gnu.org/licenses/>

# It is necessary to define Qt5_INSTALL_DIR in your environment.
set(CMAKE_PREFIX_PATH
  "$ENV{Qt5_INSTALL_DIR}"
  "${CMAKE_PREFIX_PATH}"
)

# Add definitions and flags
add_definitions(-DQT_NO_KEYWORDS)
add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0)
if (NOT (${CMAKE_SYSTEM_NAME} STREQUAL "Windows"))
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -DQT_DEPRECATED_WARNINGS")
else()
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /DQT_COMPILING_QSTRING_COMPAT_CPP /D_SILENCE_STDEXT_HASH_DEPRECATION_WARNINGS")
endif()

set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_AUTOMOC ON)

# This macro does the find_package with the required Qt5 modules listed as
# parameters. Note that the Qt5_INCLUDES variable is not necessary anymore as
# the inclusion of variables Qt5::Component in the target_link_libraries call
# now automatically add the necessary include path, compiler settings and
# several other things. In the same way, the Qt5_LIBRARIES variable now is just
# a string with the Qt5::Component elements. It can be use in
# target_link_libraries calls to simplify its writing.
macro(addQt5Modules)
  set(_MODULES Core ${ARGV})
  #message("MODULES:${_MODULES}")
  if(NOT "${_MODULES}" STREQUAL "")
    # Use find_package to get includes and libraries directories
    find_package(Qt5 REQUIRED ${_MODULES})
    message("Found Qt5 ${Qt5Core_VERSION}")
    #Add Qt5 include and libraries paths to the sets
    foreach( _module ${_MODULES})
      message("Adding module ${_module}")
      set(Qt5_LIBRARIES ${Qt5_LIBRARIES} Qt5::${_module} )
    endforeach()
  endif()
endmacro()