# rules.objects - build system

# Copyright (c) 2013-2014 Wind River Systems, Inc.

# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1) Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2) Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3) Neither the name of Wind River Systems nor the names of its contributors
# may be used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

iQUIESCE_AR_1 =
iQUIESCE_AR_  = >${HOS_DEVNULL_W} 2>${HOS_DEVNULL_W}
iQUIESCE_AR   = ${iQUIESCE_AR_${vVERBOSE}}

iCreate_Library  = $q${AR} ${ARFLAGS} $1 ${iQUIESCE_AR}
iArchive_Library = $q${AR} ${ARFLAGS} $1 @$(basename $1).arlist ${iQUIESCE_AR}

${vOUT_DIR}/%.$a: ${vOUT_DIR}/%.arlist | $$(dir $$@).dir
	-@${HOS_Echo} '[${vTOOL}] Archiving   [$(notdir $@)]'
	$(call iCreate_Library,$@)
	$(call iArchive_Library,$@)

ifeq (${vFILE_SUPPORTED},y)

${vOUT_DIR}/%.arlist: $${$$(subst lib,,$$(notdir $$*))_OBJ} ${iDEPEND_ON_MAKEFILES} | $$(dir $$@).dir
	@${HOS_Echo} '[${vTOOL}] Generating  [$(notdir $@)]'
	$q$(file > $@,${iOBJ})

else

# Some hosts have a low max arg length limit (8191 chars): if $(file ...) is
# available, use it to output object files list to a file; if not, generate
# the file by looping on the list. On some hosts, file access is slow, so this
# is slow, but is only done if the list of object files change, and is not
# worse than looping on 'ar' for each object file. On Linux, file access is
# fast, and this is still pretty fast, so there is no reason to try to speed
# it up and create another implementation.

# NOTE: the blank line at the end is necessary
define iAdd_One_Obj_To_Arlist
	$qecho $2 >> $1

endef

define iCreate_Arlist
	@${HOS_EchoBlankLine} > $1
	$(foreach obj,$2,$(call iAdd_One_Obj_To_Arlist,$1,${obj}))

endef

${vOUT_DIR}/%.arlist: $${$$(subst lib,,$$(notdir $$*))_OBJ} ${iDEPEND_ON_MAKEFILES} | $$(dir $$@).dir
	@${HOS_Echo} '[${vTOOL}] Generating  [$(notdir $@)]'
	$(call iCreate_Arlist,$@,${iOBJ})

endif

include ${vMAKE}/target/toolchain/common/defs.objects