-# BSD LICENSE
-#
-# Copyright(c) 2017 Intel Corporation. All rights reserved.
-# All rights reserved.
-#
-# 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 Intel Corporation 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.
-#
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017 Intel Corporation
# makefile for building kernel modules using meson
# takes parameters from the environment
-# source file is passed via KMOD_SRC as full path, we only use final
-# component of it, as VPATH is used to find actual file, so as to
-# have the .o files placed in the build, not source directory
-VPATH = ${KMOD_SRC:H}
-SRCS = ${KMOD_SRC:T} device_if.h bus_if.h pci_if.h
+# source file is passed via KMOD_SRC as relative path, we only use final
+# (tail) component of it (:T), as VPATH is used to find actual file. The
+# VPATH is similarly extracted from the non-final (head) portion of the
+# path (:H) converted to absolute path (:tA). This use of VPATH is to have
+# the .o files placed in the build, not source directory
+
+VPATH := ${KMOD_SRC:H:tA}
+SRCS := ${KMOD_SRC:T} device_if.h bus_if.h pci_if.h
CFLAGS += $(KMOD_CFLAGS)
+.OBJDIR: ${KMOD_OBJDIR}
.include <bsd.kmod.mk>