ENH: change qt4 to 5 in translation macro

CMake/i18n_qt5.cmake

+#
+# Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
+#
+# This file is part of Orfeo Toolbox
+#
+#     https://www.orfeo-toolbox.org/
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+#
+# Reset Qt I18N source files cache variable.
+macro( reset_qt5_i18n_sources )
+  set( OTB_QT_I18N_INCLUDE_PATH "" CACHE INTERNAL "" FORCE )
+  set( OTB_QT_I18N_HEADER_FILES "" CACHE INTERNAL "" FORCE )
+  set( OTB_QT_I18N_SOURCE_FILES "" CACHE INTERNAL "" FORCE )
+  set( OTB_QT_I18N_FORM_FILES "" CACHE INTERNAL "" FORCE )
+endmacro()
+
+# string( REPLACE ".cxx" ".h" OTB_QT_I18N_HEADER_FILES OTB_QT_I18N_SOURCE_FILES )
+
+# string( REPLACE ".cxx" ".ui" OTB_QT_I18N_HEADER_FILES OTB_QT_I18N_SOURCE_FILES )
+
+#
+# Func
+function( add_to_qt5_i18n_files RESULT )
+  foreach( F ${ARGN} )
+    #message( "${F}" )
+
+    get_filename_component( ABS_FILE ${F} ABSOLUTE )
+
+    set(${RESULT} ${${RESULT}} ${ABS_FILE} CACHE INTERNAL "")
+  endforeach()
+endfunction()
+
+#
+#
+macro( add_to_qt5_i18n_include_path DIRECTORY )
+  set(OTB_I18N_INCLUDE_PATH ${OTB_I18N_INCLUDE_PATH} ${DIRECTORY} CACHE INTERNAL "")
+endmacro()
+
+#
+#
+macro( add_to_qt5_i18n_headers INCLUDE_DIR )
+
+  get_filename_component( ABS_INCLUDE_DIR ${INCLUDE_DIR} ABSOLUTE )
+
+  set(OTB_QT_I18N_INCLUDE_PATH ${OTB_QT_I18N_INCLUDE_PATH} ${ABS_INCLUDE_DIR} CACHE INTERNAL "")
+
+  foreach( F ${ARGN} )
+    string( REPLACE ".cxx" ".h" HEADER ${F} )
+    set( ABS_HEADER "${ABS_INCLUDE_DIR}/${HEADER}" )
+    if(EXISTS ${ABS_HEADER})
+      set(OTB_QT_I18N_HEADER_FILES ${OTB_QT_I18N_HEADER_FILES} ${ABS_HEADER} CACHE INTERNAL "")
+    endif()
+  endforeach()
+endmacro()
+
+#
+# Add source files to Qt I18n translation build.
+macro( add_to_qt5_i18n_sources )
+  add_to_qt5_i18n_files( OTB_QT_I18N_SOURCE_FILES ${ARGN} )
+endmacro()
+
+#
+# Add source files to Qt I18n translation build.
+macro( add_to_qt5_i18n_forms )
+  add_to_qt5_i18n_files( OTB_QT_I18N_FORM_FILES ${ARGN} )
+endmacro()
+
+#
+#
+macro( generate_qt5_project FILENAME )
+  message( STATUS "Generating Qt5 '${FILENAME}' project file for I18N." )
+
+  unset(_OTB_QT_I18N_INCLUDE_PATH_PRO)
+  unset(_OTB_QT_I18N_HEADER_PRO)
+  unset(_OTB_QT_I18N_SOURCE_PRO)
+  unset(_OTB_QT_I18N_FORM_PRO)
+  foreach(_path ${OTB_QT_I18N_INCLUDE_PATH})
+    set(_OTB_QT_I18N_INCLUDE_PATH_PRO
+      "${_OTB_QT_I18N_INCLUDE_PATH_PRO} \"${_path}\"")
+  endforeach()
+  foreach(_file ${OTB_QT_I18N_HEADER_FILES})
+    set(_OTB_QT_I18N_HEADER_PRO
+      "${_OTB_QT_I18N_HEADER_PRO} \"${_file}\"")
+  endforeach()
+  foreach(_file ${OTB_QT_I18N_SOURCE_FILES})
+    set(_OTB_QT_I18N_SOURCE_PRO
+      "${_OTB_QT_I18N_SOURCE_PRO} \"${_file}\"")
+  endforeach()
+  foreach(_file ${OTB_QT_I18N_FORM_FILES})
+    set(_OTB_QT_I18N_FORM_PRO
+      "${_OTB_QT_I18N_FORM_PRO} \"${_file}\"")
+  endforeach()
+
+  file( WRITE
+    ${FILENAME}
+
+    "# OTB autogenerated .pro file needed to generate Qt I18N translations
+
+INCLUDEPATH = ${_OTB_QT_I18N_INCLUDE_PATH_PRO}
+
+HEADERS = ${_OTB_QT_I18N_HEADER_PRO}
+
+SOURCES = ${_OTB_QT_I18N_SOURCE_PRO}
+
+FORMS = ${_OTB_QT_I18N_FORM_PRO}
+"
+    )
+endmacro()