Merge pull request #15 from xhochy/qt45-build-compability

Qt4<->5 build compability

CMakeLists.txt

@@ -11,8 +11,13 @@ set(QTKEYCHAIN_SOVERSION 0)
 set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH}" "${PROJECT_SOURCE_DIR}/cmake/Modules")
 include(GNUInstallDirs)
 
-# try Qt5 first, and prefer that if found
-find_package(Qt5Core QUIET)
+option(BUILD_WITH_QT4 "Build qtkeychain with Qt4 no matter if Qt5 was found" OFF)
+
+if( NOT BUILD_WITH_QT4 )
+    # try Qt5 first, and prefer that if found
+    find_package(Qt5Core QUIET)
+endif()
+
 if (Qt5Core_FOUND)
   if(UNIX AND NOT APPLE)
     find_package(Qt5DBus REQUIRED)
@@ -22,6 +27,13 @@ if (Qt5Core_FOUND)
       qt5_add_dbus_interface(${ARGN})
     endmacro()
   endif()
+  find_package(Qt5LinguistTools REQUIRED)
+  macro(qt_add_translation)
+    qt5_add_translation(${ARGN})
+  endmacro(qt_add_translation)
+  macro(qt_create_translation)
+    qt5_create_translation(${ARGN})
+  endmacro(qt_create_translation)
   macro(qt_wrap_cpp)
     qt5_wrap_cpp(${ARGN})
   endmacro()
@@ -48,6 +60,12 @@ else()
   endif()
   include_directories(${QT_INCLUDES})
   set(QTCORE_LIBRARIES ${QT_QTCORE_LIBRARY})
+  macro(qt_add_translation)
+    qt4_add_translation(${ARGN})
+  endmacro(qt_add_translation)
+  macro(qt_create_translation)
+    qt4_create_translation(${ARGN})
+  endmacro(qt_create_translation)
   macro(qt_wrap_cpp)
     qt4_wrap_cpp(${ARGN})
   endmacro()
@@ -93,8 +111,8 @@ set(qtkeychain_TR_FILES
 )
 
 file(GLOB qtkeychain_TR_SOURCES *.cpp *.h *.ui)
-qt4_create_translation(qtkeychain_MESSAGES ${qtkeychain_TR_SOURCES} ${qtkeychain_TR_FILES})
-qt4_add_translation(qtkeychain_QM_FILES ${qtkeychain_TR_FILES})
+qt_create_translation(qtkeychain_MESSAGES ${qtkeychain_TR_SOURCES} ${qtkeychain_TR_FILES})
+qt_add_translation(qtkeychain_QM_FILES ${qtkeychain_TR_FILES})
 add_custom_target(messages DEPENDS ${qtkeychain_MESSAGES})
 add_custom_target(translations DEPENDS ${qtkeychain_QM_FILES})