 ###############################################################
 # 
 # Copyright 2011 Red Hat, Inc. 
 # 
 # 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. 
 # 
 ############################################################### 

MACRO ( SRC_TARGET_REF _TARGET _REFS_EXPR _SRCREFS )

	# 1st obtain the srcs
	get_target_property ( _LSRCS ${_TARGET} SOURCES )

	#loop through srouces and check matches
	foreach ( _TARGET_SRC_FILE ${_LSRCS} )

		#for each src file check all refs.
		foreach ( _REF ${_REFS_EXPR} )

			# if matches 
			if(${_TARGET_SRC_FILE} MATCHES ${_REF})

				if(${_SRCREFS})
					set (${_SRCREFS} "${${_SRCREFS}};${_TARGET_SRC_FILE}")
				else(${_SRCREFS})
					set (${_SRCREFS} ${_TARGET_SRC_FILE})
				endif(${_SRCREFS})

			endif()

		endforeach( _REF )
	endforeach( _TARGET_SRC_FILE )

ENDMACRO ( SRC_TARGET_REF )
