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########################################################################### ###
#@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
#@License Dual MIT/GPLv2
#
# The contents of this file are subject to the MIT license as set out below.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# Alternatively, the contents of this file may be used under the terms of
# the GNU General Public License Version 2 ("GPL") in which case the provisions
# of GPL are applicable instead of those above.
#
# If you wish to allow use of your version of this file only under the terms of
# GPL, and not to allow others to use your version of this file under the terms
# of the MIT license, indicate your decision by deleting the provisions above
# and replace them with the notice and other provisions required by GPL as set
# out in the file called "GPL-COPYING" included in this distribution. If you do
# not delete the provisions above, a recipient may use your version of this file
# under the terms of either the MIT license or GPL.
#
# This License is also included in this distribution in the file called
# "MIT-COPYING".
#
# EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
# PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
# BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
### ###########################################################################
define must-be-defined
$(if $(filter undefined,$(origin $(1))),$(error In makefile $(THIS_MAKEFILE): $$($(1)) must be defined),)
endef
define must-be-nonempty
$(if $(strip $($(1))),,$(error In makefile $(THIS_MAKEFILE): $$($(1)) must contain a value))
endef
define directory-must-exist
$(if $(wildcard $(abspath $(1)/)),,$(error Directory $(1) must exist))
endef
define one-word-only
$(if $(filter-out $(firstword $($(1))),$($(1))),$(error In makefile $(THIS_MAKEFILE): $$($(1)) must contain only one word),)
endef
define target-intermediates-of
$(addprefix $(TARGET_OUT)/intermediates/$(1)/,$(2))
endef
define host-intermediates-of
$(addprefix $(HOST_OUT)/intermediates/$(1)/,$(2))
endef
define module-library
$(patsubst lib%.so,%,$(if $($(1)_target),$($(1)_target),$(1).so))
endef
# This is done to allow module type makefiles to use $(THIS_MAKEFILE)
define register-module
INTERNAL_MAKEFILE_FOR_MODULE_$(1) := $(THIS_MAKEFILE)
endef
define process-module
THIS_MODULE := $(1)
THIS_MAKEFILE := $(INTERNAL_MAKEFILE_FOR_MODULE_$(1))
include $$(MAKE_TOP)/this_makefile.mk
$$(call must-be-nonempty,THIS_MAKEFILE)
$$(call must-be-nonempty,$(1)_type)
MODULE_HOST_BUILD := $$(if $(filter host_%,$($(1)_type)),true,)
include $$(MAKE_TOP)/moduledefs.mk
include $$(MAKE_TOP)/$$(patsubst host_%,%,$($(1)_type)).mk
INTERNAL_TARGETS_FOR_$(THIS_MODULE) := $(MODULE_TARGETS)
endef
# This can be used by module_type.mk files to indicate that they can't be
# built as host_module_type
define target-build-only
$(if $(filter true,$(MODULE_HOST_BUILD)),$(error In makefile $(THIS_MAKEFILE): Module $(THIS_MODULE) attempted to build a host $(1), which is not supported))
endef
define relative-to-top
$(patsubst $(TOP)/%,%,$(1))
endef
define cc-check
$(shell \
CC_CHECK=$(patsubst @%,%,$(CC_CHECK)) && \
$(patsubst @%,%,$(CHMOD)) +x $$CC_CHECK && \
$$CC_CHECK --cc "$(1)" --out "$(2)" $(3))
endef
define cc-is-64bit
$(call cc-check,$(1),$(OUT),--64)
endef
define cc-option
$(call cc-check,$(patsubst @%,%,$(CC)),$(OUT),$(1))
endef
define cxx-option
$(call cc-check,$(patsubst @%,%,$(CXX)),$(OUT),$(1))
endef
define host-cc-option
$(call cc-check,$(patsubst @%,%,$(HOST_CC)),$(OUT),$(1))
endef
define kernel-cc-option
$(call cc-check,$(KERNEL_CROSS_COMPILE)gcc,$(OUT),$(1))
endef
# Turn a particular warning on, or explicitly turn it off, depending on
# the value of W. The "-W" or "-Wno-" part of the warning need not be
# specified.
define cc-optional-warning
$(call cc-option,-W$(if $(W),,no-)$(patsubst -W%,%,$(patsubst -Wno-%,%,$(1))))
endef
define host-cc-optional-warning
$(call host-cc-option,-W$(if $(W),,no-)$(patsubst -W%,%,$(patsubst -Wno-%,%,$(1))))
endef
define kernel-cc-optional-warning
$(call kernel-cc-option,-W$(if $(W),,no-)$(patsubst -W%,%,$(patsubst -Wno-%,%,$(1))))
endef
define module-info-line
$(if $(filter modules,$(D)),$(info $(1)),)
endef
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