make/target/library/defs.library

# defs.library - 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.
#

OUTPUT_DIR ?= outdir

#####
# user may set these variables
#
#   COMPILER_OPT with a compiler opt flag (toolchain-specific)
#   STACK_CANARIES with y or n
#

vOUT_DIR  = $(strip ${OUTPUT_DIR})
iOUT_DIR_OBJ = ${vOUT_DIR}/obj.${LIB_NAME}

iLIB_NAME = $(strip ${LIB_NAME})

iSRC_FROM_PATH = $(strip \
	$(foreach path,${${LIB_NAME}_SRCPATH},$(wildcard ${path}/*.$c)) \
	$(foreach path,${${LIB_NAME}_SRCPATH},$(wildcard ${path}/*.$s)) \
)

iSRC_IN_CURDIR = $(strip \
	$(wildcard *.$c) \
	$(wildcard *.$s) \
)

iSRC_EXPLICIT = $(strip ${${LIB_NAME}_SRC} ${iSRC_FROM_PATH})
iSRC = $(or ${iSRC_EXPLICIT},${iSRC_IN_CURDIR})

iSRC_C = $(filter %.$c,${iSRC})
iSRC_ASM = $(filter %.$s,${iSRC})

include ${vMAKE}/target/library/defs.objects

${LIB_NAME}_OBJ = ${iOBJ}

iINCLUDE_DIR = ${${LIB_NAME}_INCLUDE_DIR}

include ${vMAKE}/target/env/defs.target

$(if ${vCPU},,$(error CPU is not set!))
$(if ${vARCH},,$(error ARCH is not set!))

#####
# preempt the variables from the tools

iHAS_COMPILER_OPT = $(lastword ${OVERRIDE_COMPILER_OPT})
OVERRIDE_COMPILER_OPT = ${COMPILER_OPT}

#####
# STDLIB will be set by the library's Makefile if it requires any stdlib
# header files to build. If set, include the defs.stdlib for the desired set
# of standard libraries.
vSTDLIB = $(strip ${STDLIB})
sinclude ${vMAKE}/target/stdlib/${vSTDLIB}/defs.stdlib

#####

sinclude ${vMAKE}/target/toolchain/${vTOOL}/defs.flags.library
include ${vMAKE}/target/toolchain/${vTOOL}/defs.${vTOOL}

$(foreach src,${iSRC_C} ${iSRC_ASM},\
  $(eval $(call src_to_module__defs,${LIB_NAME},${src},${iOUT_DIR_OBJ}))\
)