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[clang] Copy cmake_policy() to silence CMake warnings in standalone builds
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Authored by mgorny on Oct 23 2022, 10:24 PM.

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mgorny requested review of this revision.Oct 23 2022, 10:24 PM

I'll make one patch for all relevant projects instead.

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	cmake_minimum_required(VERSION 3.13.4)			cmake_minimum_required(VERSION 3.13.4)

	# If we are not building as a part of LLVM, build Clang as an			# If we are not building as a part of LLVM, build Clang as an
	# standalone project, using LLVM as an external library:			# standalone project, using LLVM as an external library:
	if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)			if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
				if(POLICY CMP0114)
				cmake_policy(SET CMP0114 OLD)
				endif()
				if(POLICY CMP0116)
				cmake_policy(SET CMP0116 OLD)
				endif()
	project(Clang)			project(Clang)
	set(CLANG_BUILT_STANDALONE TRUE)			set(CLANG_BUILT_STANDALONE TRUE)
	endif()			endif()

	# Must go below project(..)			# Must go below project(..)
	include(GNUInstallDirs)			include(GNUInstallDirs)

	if(CLANG_BUILT_STANDALONE)			if(CLANG_BUILT_STANDALONE)
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