Add TQT_CMAKE_DIR variable.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit d863e15b50)

modules/FindTQt.cmake

@@ -99,6 +99,13 @@ if( NOT TQT_FOUND )
   tde_restore( CMAKE_REQUIRED_INCLUDES CMAKE_REQUIRED_LIBRARIES )
 
 
+  # TQT_CMAKE_DIR
+  if( NOT DEFINED TQT_CMAKE_DIR )
+    set( TQT_CMAKE_DIR "${TQT_LIBDIR}/cmake"
+         CACHE FILEPATH "Path for shared TQt CMake targets" )
+  endif()
+
+
   # TQT_CXX_FLAGS
   foreach( _flag ${TQT_CFLAGS} ${TQT_CFLAGS_OTHER} )
     set( TQT_CXX_FLAGS "${TQT_CXX_FLAGS} ${_flag}" )

modules/TDEMacros.cmake

@@ -773,10 +773,12 @@ macro( tde_import _library )
   else()
     if( EXISTS "${TDE_CMAKE_DIR}/${_library}.cmake" )
       include( "${TDE_CMAKE_DIR}/${_library}.cmake" )
-      message( STATUS "  ok, found import file" )
+    elseif( EXISTS "${TQT_CMAKE_DIR}/${_library}.cmake" )
+      include( "${TQT_CMAKE_DIR}/${_library}.cmake" )
     else()
-      tde_message_fatal( "'${_library}' are required,\n but is not installed nor selected for build" )
+      tde_message_fatal( "'${_library}' is required, but is not installed nor selected for build" )
     endif()
+    message( STATUS "  ok, found import file" )
   endif()
 endmacro()