rule SetupObjectsDir
{
	local relPath = [ FDirName $(SUBDIR_TOKENS[2-]) ] ;
	COMMON_PLATFORM_LOCATE_TARGET =
		[ FDirName $(HAIKU_COMMON_PLATFORM_OBJECT_DIR) $(relPath) ] ;

	local var ;
	for var in COMMON_ARCH COMMON_DEBUG DEBUG_$(HAIKU_DEBUG_LEVELS) {
		HOST_$(var)_LOCATE_TARGET
			= [ FDirName $(HOST_$(var)_OBJECT_DIR) $(relPath) ] ;
		TARGET_$(var)_LOCATE_TARGET
			= [ FDirName $(TARGET_$(var)_OBJECT_DIR) $(relPath) ] ;
	}

	LOCATE_TARGET = $(COMMON_PLATFORM_LOCATE_TARGET) ;
	LOCATE_SOURCE = $(LOCATE_TARGET) ;
	SEARCH_SOURCE = $(SUBDIR) $(LOCATE_SOURCE)
		$(HOST_COMMON_DEBUG_LOCATE_TARGET)		# Also add the standard output
		$(TARGET_COMMON_DEBUG_LOCATE_TARGET)	# dirs for generated sources.
	;
}

rule SubIncludeGPL
{
	# SubInclude rule that can be used to conditionally include GPL licensed
	# add-ons
	if $(INCLUDE_GPL_ADDONS) = 1 {
		SubInclude $(1) ;
	} 
}
 
rule MakeLocateCommonPlatform
{
	MakeLocate $(1) : $(COMMON_PLATFORM_LOCATE_TARGET) ;
}

rule MakeLocatePlatform
{
	local files = $(1) ;
	local file ;
	for file in $(files) {
		if [ on $(file) return $(PLATFORM) ] = host {
			MakeLocate $(file) : $(HOST_COMMON_ARCH_LOCATE_TARGET) ;
		} else {
			MakeLocate $(file) : $(TARGET_COMMON_ARCH_LOCATE_TARGET) ;
		}
	}
}

rule MakeLocateArch
{
	local files = $(1) ;
	local file ;
	for file in $(files) {
		if [ on $(file) return $(PLATFORM) ] = host {
			MakeLocate $(file) : $(HOST_COMMON_DEBUG_LOCATE_TARGET) ;
		} else {
			MakeLocate $(file) : $(TARGET_COMMON_DEBUG_LOCATE_TARGET) ;
		}
	}
}

rule MakeLocateDebug
{
	local files = $(1) ;
	local file ;
	for file in $(files) {
		on $(file) {
			if $(PLATFORM) = host {
				MakeLocate $(file) : $(HOST_DEBUG_$(DEBUG)_LOCATE_TARGET) ;
			} else {
				MakeLocate $(file) : $(TARGET_DEBUG_$(DEBUG)_LOCATE_TARGET) ;
			}
		}
	}
}

rule SearchAndReplace
{
	# SearchAndReplace <newFile> : <sourceFile> : <stringToFind> : <stringToReplaceWith>
	# A code generator that searches and replaces text in a source file to 
	# produce another.
	# <newFile>: The file (a source file) being created by this
	#            search and replace code generation.
	# <sourceFile>: The file being used to generate <newFile>.
	# <stringToFind>: The string to search for in <sourceFile>.
	# <stringToReplaceWith>: The string to replace with in the new file.
	#
	# For example usage see the MarkAs Tracker add-on code.
	#
	local _new_file = [ FGristSourceFiles $(1) ] ;
	Depends all : $(_new_file) ;
	Depends $(_new_file) : $(2) ;
	MakeLocate $(_new_file) : $(LOCATE_SOURCE) ;
	SEARCH on $(_new_file) = $(LOCATE_SOURCE) ; 
	Sed $(_new_file) : $(2) -e s/$(3)/$(4)/g ;
	Clean clean : $(_new_file) ;
}

rule Sed
{
	# Sed <newFile> : <parameters>
	# <newFile>: The file (a source file) being created by this
	#            sed run.
	# <parameters>: The parameters to sed in a list. The first item is
	#               the source file being searched through, the rest
	#               are standard sed parameters.

	# We don't care about the parameters to sed
	NoCare $(2[2-]) ;
	NotFile $(2[2-]) ;
}

actions Sed
{
	$(SED) $(2[2-]) $(2[1]) > $(1)
}