Header containing GLSL source code is generated only after change of any of shader source files. (67c0cd22) · Commits · Elphel / kicad-source-mirror

CMakeModules/Shaders.cmake

+34 −22

Original line number	Diff line number	Diff line
		@@ -4,6 +4,19 @@
		# number of input files
		list( LENGTH inputFiles shadersNumber )

		# check if GLSL source files were updated since the last time
		set( update "FALSE" )
		foreach( inputFile ${inputFiles} )
		if( ${inputFile} IS_NEWER_THAN ${outputFile} )
		set( update "TRUE" )
		endif( ${inputFile} IS_NEWER_THAN ${outputFile} )
		endforeach( inputFile ${inputFiles} )

		if( NOT update )
		message( "Headers are up-to-date" )
		return()
		endif( NOT update )

		# write header
		file( WRITE ${outputFile} "// Do not edit this file, it is autogenerated by CMake.

		@@ -35,7 +48,6 @@ foreach( inputFile ${inputFiles} )
		string( REGEX REPLACE "\"$" "," contents "${contents}" )

		file( APPEND ${outputFile} "${contents}" )

		endforeach( inputFile ${inputFiles} )

		# write footer