# $Id$
## @file
# kLibC Alias Unit for kBuild.
#
# @copyright   Copyright (C) 2014 knut st. osmundsen <bird-klibc-spam-xiv@anduin.net>
# @licenses    MIT, BSD2, BSD3, BSD4, LGPLv2.1, LGPLv3.
#

ifdef UNIT_klibc_alias
 $(error kBuild: The kLibC alias unit was included twice!)
endif
UNIT_klibc_alias = klibc_alias


# Add our target properties
PROPS_ACCUMULATE_R += KLIBC_ALIASES

## Double expansion worker.
define def_unit_klibc_alias_target_pre_worker

$(target)_2_KLIBC_ALIASES_FILES := $(foreach pair, \
	$(libc_libsocket_KLIBC_ALIASES.$(bld_trg)) \
	$(libc_libsocket_KLIBC_ALIASES.$(bld_trg_arch)) \
	$(libc_libsocket_KLIBC_ALIASES.$(bld_trg).$(bld_trg_arch)) \
	$(libc_libsocket_KLIBC_ALIASES.$(bld_trg_cpu)) \
	$(libc_libsocket_KLIBC_ALIASES.$(bld_type)) \
	$(libc_libsocket_KLIBC_ALIASES) \
,$($(target)_0_OUTDIR)/aliases/$(firstword $(subst =, ,$(pair))).o)

$(target)_CLEAN   += $$($(target)_2_KLIBC_ALIASES_FILES)
$(target)_2_OBJS  += $$($(target)_2_KLIBC_ALIASES_FILES)
$(target)_BLDDIRS += $$($(target)_0_OUTDIR)/aliases/

$$($(target)_0_OUTDIR)/aliases/aliases.rsp \
+ $$($(target)_2_KLIBC_ALIASES_FILES): \
		$(LIBC_GENALIAS) $(MAKEFILE_CURRENT) | $($(target)_0_OUTDIR)/aliases/
	$(RM) -f -- $($(target)_2_KLIBC_ALIASES_FILES) $($(target)_0_OUTDIR)/aliases/aliases.rsp
	$(APPEND) -tn "$($(target)_0_OUTDIR)/aliases/aliases.rsp" \
		$(libc_libsocket_KLIBC_ALIASES.$(bld_trg)) \
		$(libc_libsocket_KLIBC_ALIASES.$(bld_trg_arch)) \
		$(libc_libsocket_KLIBC_ALIASES.$(bld_trg).$(bld_trg_arch)) \
		$(libc_libsocket_KLIBC_ALIASES.$(bld_trg_cpu)) \
		$(libc_libsocket_KLIBC_ALIASES.$(bld_type)) \
		$(libc_libsocket_KLIBC_ALIASES)
	$(LIBC_GENALIAS) -f $(LIBC_GENALIAS_FORMAT) \
		-D "$($(target)_0_OUTDIR)/aliases" \
		-r "$($(target)_0_OUTDIR)/aliases/aliases.rsp"

endef # def_unit_klibc_alias_target_pre_worker


##
# Invoked early in the processing of a target that uses the unit.
#
define def_unit_klibc_alias_target_pre

$(eval $(def_unit_klibc_alias_target_pre_worker))

endef