#   BSD LICENSE
#
#   Copyright(c) 2014 6WIND S.A.
#
#   Redistribution and use in source and binary forms, with or without
#   modification, are permitted provided that the following conditions
#   are met:
#
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#     * 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.
#     * Neither the name of 6WIND S.A. 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
#   OWNER 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.

# examples application are seen as external applications which are
# not part of SDK.
BUILDING_RTE_SDK :=
export BUILDING_RTE_SDK

# Build directory is given with O=
O ?= $(RTE_SDK)/examples

# Target for which examples should be built.
T ?= *

# list all available configurations
EXAMPLES_CONFIGS := $(patsubst $(RTE_SRCDIR)/config/defconfig_%,%,\
	$(wildcard $(RTE_SRCDIR)/config/defconfig_$(T)))
EXAMPLES_TARGETS := $(addsuffix _examples,\
	$(filter-out %~,$(EXAMPLES_CONFIGS)))

.PHONY: examples
examples: $(EXAMPLES_TARGETS)

%_examples:
	@echo ================== Build examples for $*
	$(Q)if [ ! -d "${RTE_SDK}/${*}" ]; then \
		echo "Target ${*} does not exist in ${RTE_SDK}/${*}." ; \
		echo -n "Please install DPDK first (make install) or use another " ; \
		echo "target argument (T=target)." ; \
		false ; \
	else \
		$(MAKE) -C examples O=$(abspath $(O)) RTE_TARGET=$(*); \
	fi

EXAMPLES_CLEAN_TARGETS := $(addsuffix _examples_clean,\
	$(filter-out %~,$(EXAMPLES_CONFIGS)))

.PHONY: examples_clean
examples_clean: $(EXAMPLES_CLEAN_TARGETS)

%_examples_clean:
	@echo ================== Clean examples for $*
	$(Q)if [ ! -d "${RTE_SDK}/${*}" ]; then \
		echo "Target ${*} does not exist in ${RTE_SDK}/${*}." ; \
		echo -n "Please install DPDK first (make install) or use another " ; \
		echo "target argument (T=target)." ; \
		false ; \
	else \
		$(MAKE) -C examples O=$(abspath $(O)) RTE_TARGET=$(*) clean; \
	fi