# Global definitions for embedded Linux microcomputer framework

# Copyright (C)2013-2022, Philip Munts, President, Munts AM Corp.
#
# 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.
#
# 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.

.PHONY: common_mk_default

TEMP		?= /tmp

DOWNLOADPREFIX	?= http://repo.munts.com/muntsos

KERNEL_SRC	= $(MUNTSOS)/bootkernel/kernel/$(KERNEL_NAME)
KERNEL_DTC	= $(KERNEL_SRC)/scripts/dtc/dtc
KERNEL_DTS	= $(KERNEL_SRC)/arch/$(ARCH)/boot/dts
KERNEL_PATCH	= $(BOARDNAME).patch
KERNEL_CONFIG	= $(BOARDNAME).config

LIBSIMPLEIO	?= /usr/local/share/libsimpleio

common_mk_default: default

# Clone the kernel source repository

$(KERNEL_CLONE)/.git:
	git clone $(KERNEL_REPOSITORY) $(KERNEL_CLONE)

# Build a kernel source archive

$(KERNEL_DIST): $(KERNEL_CLONE)/.git
	cd $(KERNEL_CLONE) ; git archive --format=tar --prefix=$(KERNEL_NAME)/ $(KERNEL_BRANCH) | bzip2 >$(KERNEL_DIST)