incubator-nuttx/drivers/spi/Make.defs

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############################################################################
# drivers/spi/Make.defs
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership. The
# ASF licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the
# License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
############################################################################
# Don't build anything if there is no SPI support
ifeq ($(CONFIG_SPI),y)
ifeq ($(CONFIG_SPI_EXCHANGE),y)
CSRCS += spi_transfer.c
ifeq ($(CONFIG_SPI_DRIVER),y)
CSRCS += spi_driver.c
endif
endif
# Include the selected SPI drivers
ifeq ($(CONFIG_SPI_BITBANG),y)
CSRCS += spi_bitbang.c
endif
# Include SPI device driver build support
DEPPATH += --dep-path spi
VPATH += :spi
CFLAGS += ${shell $(INCDIR) "$(CC)" $(TOPDIR)$(DELIM)drivers$(DELIM)spi}
endif