178 lines
7.4 KiB
Plaintext
178 lines
7.4 KiB
Plaintext
#
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# Copyright (c) 2011, 2024, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation. Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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################################################################################
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# This file contains functionality related to linking a native binary;
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# creating either a dynamic library, a static library or an executable.
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################################################################################
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# GetEntitlementsFile
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# Find entitlements file for executable when signing on macosx. If no
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# specialized file is found, returns the default file.
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# This macro might be called from custom makefiles.
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# $1 Executable to find entitlements file for.
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ENTITLEMENTS_DIR := $(TOPDIR)/make/data/macosxsigning
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ifeq ($(MACOSX_CODESIGN_MODE), debug)
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CODESIGN_PLIST_SUFFIX := -debug
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else
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CODESIGN_PLIST_SUFFIX :=
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endif
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DEFAULT_ENTITLEMENTS_FILE := $(ENTITLEMENTS_DIR)/default$(CODESIGN_PLIST_SUFFIX).plist
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GetEntitlementsFile = \
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$(foreach f, $(ENTITLEMENTS_DIR)/$(strip $(notdir $1))$(CODESIGN_PLIST_SUFFIX).plist, \
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$(if $(wildcard $f), $f, $(DEFAULT_ENTITLEMENTS_FILE)) \
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)
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################################################################################
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define SetupLinking
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# Unless specifically set, stripping should only happen if symbols are also
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# being copied.
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$$(call SetIfEmpty, $1_STRIP_SYMBOLS, $$($1_COPY_DEBUG_SYMBOLS))
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ifneq ($$($1_STRIP_SYMBOLS), false)
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# Default to using the global STRIPFLAGS. Allow for overriding with an
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# empty value
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$1_STRIPFLAGS ?= $(STRIPFLAGS)
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$1_STRIP_CMD := $$($1_STRIP) $$($1_STRIPFLAGS) $$($1_TARGET)
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endif
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endef
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################################################################################
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define CreateLinkedResult
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ifeq ($$($1_TYPE), STATIC_LIBRARY)
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$$(eval $$(call CreateStaticLibrary,$1))
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else
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$$(eval $$(call CreateDynamicLibraryOrExecutable,$1))
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endif
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endef
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################################################################################
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define CreateStaticLibrary
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# Include partial linking when building the static library with clang on linux
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ifeq ($(call isTargetOs, linux), true)
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ifneq ($(findstring $(TOOLCHAIN_TYPE), clang), )
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$1_ENABLE_PARTIAL_LINKING := true
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endif
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endif
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$1_VARDEPS := $$($1_AR) $$(ARFLAGS) $$($1_ARFLAGS) $$($1_LIBS) \
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$$($1_EXTRA_LIBS)
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ifeq ($$($1_ENABLE_PARTIAL_LINKING), true)
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$1_VARDEPS += $$($1_LD) $$($1_SYSROOT_LDFLAGS)
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endif
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$1_VARDEPS_FILE := $$(call DependOnVariable, $1_VARDEPS, \
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$$($1_OBJECT_DIR)/$$($1_NOSUFFIX).vardeps)
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$1_TARGET_DEPS := $$($1_ALL_OBJS) $$($1_VARDEPS_FILE)
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$1_AR_OBJ_ARG := $$($1_LD_OBJ_ARG)
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# With clang on linux, partial linking is enabled and 'AR' takes the output
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# object from the partial linking step.
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ifeq ($$($1_ENABLE_PARTIAL_LINKING), true)
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$1_TARGET_RELOCATABLE := $$($1_OBJECT_DIR)/$$($1_PREFIX)$$($1_NAME)_relocatable$(OBJ_SUFFIX)
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$1_AR_OBJ_ARG := $$($1_TARGET_RELOCATABLE)
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endif
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$$($1_TARGET): $$($1_TARGET_DEPS)
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ifneq ($$($1_OBJ_FILE_LIST), )
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ifeq ($$($1_LINK_OBJS_RELATIVE), true)
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$$(eval $$(call ListPathsSafely, $1_ALL_OBJS_RELATIVE, $$($1_OBJ_FILE_LIST)))
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else
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$$(eval $$(call ListPathsSafely, $1_ALL_OBJS, $$($1_OBJ_FILE_LIST)))
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endif
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endif
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$$(call LogInfo, Building static library $$($1_BASENAME))
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$$(call MakeDir, $$($1_OUTPUT_DIR) $$($1_SYMBOLS_DIR))
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# Do partial linking.
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ifeq ($$($1_ENABLE_PARTIAL_LINKING), true)
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$$(call ExecuteWithLog, $$($1_OBJECT_DIR)/$$($1_SAFE_NAME)_partial_link, \
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$(if $$($1_LINK_OBJS_RELATIVE), $$(CD) $$(OUTPUTDIR) ; ) \
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$$($1_LD) $(LDFLAGS_CXX_PARTIAL_LINKING) $$($1_SYSROOT_LDFLAGS) \
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-o $$($1_TARGET_RELOCATABLE) \
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$$($1_LD_OBJ_ARG))
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endif
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$$(call ExecuteWithLog, $$($1_OBJECT_DIR)/$$($1_SAFE_NAME)_link, \
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$(if $$($1_LINK_OBJS_RELATIVE), $$(CD) $$(OUTPUTDIR) ; ) \
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$$($1_AR) $$(ARFLAGS) $$($1_ARFLAGS) -r -cs $$($1_TARGET) \
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$$($1_AR_OBJ_ARG) $$($1_RES))
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ifeq ($(STATIC_BUILD), true)
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$(RM) $$(@D)/$$(basename $$(@F)).symbols; \
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$(ECHO) "Getting symbols from nm"; \
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$(NM) $(NMFLAGS) -m $$($1_TARGET) | $(GREP) "__TEXT" | \
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$(EGREP) -v "non-external|private extern|__TEXT,__eh_frame" | \
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$(SED) -e 's/.* //' > $$(@D)/$$(basename $$(@F)).symbols
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endif
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endef
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################################################################################
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define CreateDynamicLibraryOrExecutable
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# A shared dynamic library or an executable binary has been specified
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ifeq ($$($1_TYPE), LIBRARY)
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# Generating a dynamic library.
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$1_EXTRA_LDFLAGS += $$(call SET_SHARED_LIBRARY_NAME,$$($1_BASENAME))
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endif
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$1_VARDEPS := $$($1_LD) $$($1_SYSROOT_LDFLAGS) $$($1_LDFLAGS) \
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$$($1_EXTRA_LDFLAGS) $$($1_LIBS) $$($1_EXTRA_LIBS) \
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$$($1_CREATE_DEBUGINFO_CMDS) $$($1_STRIP_CMD) $$($1_CREATE_DEBUGLINK_CMDS)
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$1_VARDEPS_FILE := $$(call DependOnVariable, $1_VARDEPS, \
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$$($1_OBJECT_DIR)/$$($1_NOSUFFIX).vardeps)
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$1_TARGET_DEPS := $$($1_ALL_OBJS) $$($1_VARDEPS_FILE)
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$$($1_TARGET): $$($1_TARGET_DEPS)
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ifneq ($$($1_OBJ_FILE_LIST), )
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ifeq ($$($1_LINK_OBJS_RELATIVE), true)
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$$(eval $$(call ListPathsSafely, $1_ALL_OBJS_RELATIVE, $$($1_OBJ_FILE_LIST)))
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else
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$$(eval $$(call ListPathsSafely, $1_ALL_OBJS, $$($1_OBJ_FILE_LIST)))
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endif
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endif
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$$(call LogInfo, Linking $$($1_BASENAME))
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$$(call MakeDir, $$($1_OUTPUT_DIR) $$($1_SYMBOLS_DIR))
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$$(call ExecuteWithLog, $$($1_OBJECT_DIR)/$$($1_SAFE_NAME)_link, \
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$$(if $$($1_LINK_OBJS_RELATIVE), $$(CD) $$(OUTPUTDIR) ; ) \
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$$($1_LD) $$($1_LDFLAGS) $$($1_EXTRA_LDFLAGS) \
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$$($1_SYSROOT_LDFLAGS) -o $$($1_TARGET) $$($1_LD_OBJ_ARG) \
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$$($1_LIBS) $$($1_EXTRA_LIBS))
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$$($1_CREATE_DEBUGINFO_CMDS)
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$$($1_STRIP_CMD)
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$$($1_CREATE_DEBUGLINK_CMDS)
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# On macosx, optionally run codesign on every binary.
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# Remove signature explicitly first to avoid warnings if the linker
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# added a default adhoc signature.
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ifeq ($(MACOSX_CODESIGN_MODE), hardened)
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$(CODESIGN) --remove-signature $$@
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$(CODESIGN) -f -s "$(MACOSX_CODESIGN_IDENTITY)" --timestamp \
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--options runtime --entitlements \
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$$(call GetEntitlementsFile, $$@) $$@
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else ifeq ($(MACOSX_CODESIGN_MODE), debug)
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$(CODESIGN) --remove-signature $$@
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$(CODESIGN) -f -s - --entitlements \
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$$(call GetEntitlementsFile, $$@) $$@
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endif
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endef
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