rule SetupBoot
{
	# Usage SetupBoot <sources_or_objects> : <extra_cc_flags> : <include_private_headers> ;
	#
	# <sources_or_objects> - Ideally sources, otherwise HDRSEARCH can not be
	#                        set for the sources and the sources some header
	#                        dependencies might be missing.

	local sources = [ FGristFiles $(1) ] ;
	local objects = $(sources:S=$(SUFOBJ)) ;

	# add private kernel headers
	if $(3) != false {
		SourceSysHdrs $(sources) : $(TARGET_PRIVATE_KERNEL_HEADERS) ;
	}

	if $(HAIKU_BOOT_C++_HEADERS_DIR_$(TARGET_PACKAGING_ARCH)) {
		SourceSysHdrs $(sources) :
			$(HAIKU_BOOT_C++_HEADERS_DIR_$(TARGET_PACKAGING_ARCH)) ;
	}

	local object ;
	for object in $(objects) {
		# add boot flags for the object
		ObjectCcFlags $(object) : $(TARGET_BOOT_CCFLAGS) $(2) ;
		ObjectC++Flags $(object) : $(TARGET_BOOT_C++FLAGS) $(2) ;
		ObjectDefines $(object) : $(TARGET_KERNEL_DEFINES) ;
		ASFLAGS on $(object) = $(TARGET_BOOT_CCFLAGS) ;

		# override warning flags
		TARGET_WARNING_CCFLAGS_$(TARGET_PACKAGING_ARCH) on $(object)
			= $(TARGET_KERNEL_WARNING_CCFLAGS) ;
		TARGET_WARNING_C++FLAGS_$(TARGET_PACKAGING_ARCH) on $(object)
			= $(TARGET_KERNEL_WARNING_C++FLAGS) ;
	}
}

rule BootObjects
{
	SetupBoot $(1) : $(2) ;
	Objects $(1) ;
}

rule BootLd
{
	# BootLd <name> : <objs> : <linkerscript> : <args> ;

	LINK on $(1) = $(TARGET_LD_$(TARGET_PACKAGING_ARCH)) ;

	LINKFLAGS on $(1) = $(TARGET_BOOT_LINKFLAGS) $(4) ;
	if $(3) { LINKFLAGS on $(1) += --script=$(3) ; }

	# Remove any preset LINKLIBS, but link against libgcc.a. Linking against
	# libsupc++ is opt-out.
	local libs ;
	if ! [ on $(1) return $(HAIKU_NO_LIBSUPC++) ] {
		libs += [ TargetBootLibsupc++ true ] ;
		Depends $(1) : [ TargetBootLibsupc++ ] ;
	}
	LINKLIBS on $(1) = $(libs) [ TargetBootLibgcc true ] ;
	Depends $(1) : [ TargetBootLibgcc ] ;

	# TODO: Do we really want to invoke SetupBoot here? The objects should
	# have been compiled with BootObjects anyway, so we're doing that twice.
	SetupBoot $(2) ;

	# Show that we depend on the libraries we need
	LocalClean clean : $(1) ;
	LocalDepends all : $(1) ;
	Depends $(1) : $(2) ;

	MakeLocateDebug $(1) ;

	on $(1) XRes $(1) : $(RESFILES) ;
	if ! [ on $(1) return $(DONT_USE_BEOS_RULES) ] {
		SetType $(1) ;
		MimeSet $(1) ;
		SetVersion $(1) ;
	}
}

actions BootLd bind VERSION_SCRIPT
{
	$(LINK) $(LINKFLAGS) -o "$(1)" "$(2)" $(LINKLIBS) \
		--version-script=$(VERSION_SCRIPT)
}

rule BootMergeObject
{
	# BootMergeObject <name> : <sources> : <extra CFLAGS> : <other objects> ;
	# Compiles source files and merges the object files to an object file.
	# <name>: Name of the object file to create. No grist will be added.
	# <sources>: Sources to be compiled. Grist will be added.
	# <extra CFLAGS>: Additional flags for compilation.
	# <other objects>: Object files or static libraries to be merged. No grist
	#                  will be added.
	#

	SetupBoot $(2) : $(3) ;
	Objects $(2) ;
	MergeObjectFromObjects $(1) : $(2:S=$(SUFOBJ)) : $(4) ;
	LINKFLAGS on $(1) += $(TARGET_BOOT_LINKFLAGS) ;
}

rule BootStaticLibrary
{
	# Usage BootStaticLibrary <name> : <sources> : <extra cc flags> ;
	# This is designed to take a set of sources and libraries and create
	# a file called lib<name>.a

	SetupBoot $(2) : $(3) : false ;
	Library $(1) : $(2) ;
}

rule BootStaticLibraryObjects
{
	# Usage BootStaticLibrary <name> : <sources> ;
	# This is designed to take a set of sources and libraries and create
	# a file called <name>

	# Show that we depend on the libraries we need
	SetupBoot $(2) ;
	LocalClean clean : $(1) ;
	LocalDepends all : $(1) ;
	Depends $(1) : $(2) ;

	MakeLocateDebug $(1) ;
}

actions BootStaticLibraryObjects
{
	# Force recreation of the archive to avoid build errors caused by
	# stale dependencies after renaming or deleting object files.
	$(RM) "$(1)"
	$(HAIKU_AR_$(TARGET_PACKAGING_ARCH)) -r "$(1)" "$(2)" ;
}

rule BuildMBR binary : source
{
	SEARCH on $(source) = $(SUBDIR) ;
	MakeLocateDebug $(binary) ;
	Depends $(binary) : $(source) ;
}

actions BuildMBR
{
	$(RM) $(1)
	$(HAIKU_CC_$(HAIKU_PACKAGING_ARCH)) $(2) -o $(1) $(MBRFLAGS) -nostdlib -Xlinker --oformat=binary -Xlinker -S -Xlinker -N -Xlinker --entry=start -Xlinker -Ttext=0x600
}