Add custom target for QT4_WRAP_CPP macro.

Move wmsprovider dependencies to QT4_WRAP_CPP target to fix parallel build.

Author: sebastic

src/providers/wms/CMakeLists.txt

@@ -26,6 +26,10 @@ SET (WMS_MOC_HDRS
 
 QT4_WRAP_CPP (WMS_MOC_SRCS ${WMS_MOC_HDRS})
 
+ADD_CUSTOM_TARGET(wms_cpp ALL DEPENDS ${WMS_MOC_SRCS})
+
+ADD_DEPENDENCIES(wms_cpp qgis_gui ui)
+
 INCLUDE_DIRECTORIES(
   .
   ../../core
@@ -46,8 +50,6 @@ INCLUDE_DIRECTORIES(SYSTEM
 ADD_LIBRARY(wmsprovider_a STATIC ${WMS_SRCS} ${WMS_MOC_SRCS})
 ADD_LIBRARY(wmsprovider MODULE ${WMS_SRCS} ${WMS_MOC_SRCS})
 
-ADD_DEPENDENCIES(wmsprovider qgis_gui ui)
-
 TARGET_LINK_LIBRARIES(wmsprovider
   qgis_core
   qgis_gui