mirror of
https://github.com/apple/swift.git
synced 2025-12-21 12:14:44 +01:00
7297d76cc3
We started doing this to test out libFuzzer, but that's now available through the usual sanitizer interface, and it turns out this symlink is actually harmful because it causes the llvm/lib/ folder to get copied into the built LLDB framework, and it contains all sorts of garbage intermediate files (static libraries and such). On my machine it was an extra 9GB for no reason. Anyway, we're not using this anymore, so take it out. I suggest clearing out build/lib/swift/ after this change too.
152 lines
4.3 KiB
CMake
152 lines
4.3 KiB
CMake
set(sources
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AssertionReporting.h
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CoreFoundationShims.h
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FoundationShims.h
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GlobalObjects.h
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HeapObject.h
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KeyPath.h
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LibcShims.h
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RefCount.h
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RuntimeShims.h
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RuntimeStubs.h
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SwiftStdbool.h
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SwiftStddef.h
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SwiftStdint.h
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System.h
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UnicodeShims.h
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Visibility.h
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DispatchOverlayShims.h
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OSOverlayShims.h
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ObjectiveCOverlayShims.h
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SafariServicesOverlayShims.h
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UIKitOverlayShims.h
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XCTestOverlayShims.h
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XPCOverlayShims.h
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CoreFoundationOverlayShims.h
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CFCharacterSetShims.h
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CFHashingShims.h
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FoundationOverlayShims.h
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FoundationShimSupport.h
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NSCalendarShims.h
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NSCharacterSetShims.h
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NSCoderShims.h
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NSDataShims.h
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NSDictionaryShims.h
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NSErrorShims.h
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NSFileManagerShims.h
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NSIndexPathShims.h
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NSIndexSetShims.h
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NSKeyedArchiverShims.h
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NSLocaleShims.h
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NSTimeZoneShims.h
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NSUndoManagerShims.h
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module.modulemap
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)
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set(output_dir "${SWIFTLIB_DIR}/shims")
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add_custom_command(
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OUTPUT "${output_dir}"
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COMMAND ${CMAKE_COMMAND} "-E" "make_directory" "${output_dir}")
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set(outputs)
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foreach(input ${sources})
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add_custom_command(
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OUTPUT "${output_dir}/${input}"
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DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${input}"
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COMMAND
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"${CMAKE_COMMAND}" "-E" "copy_if_different"
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"${CMAKE_CURRENT_SOURCE_DIR}/${input}"
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"${output_dir}/${input}")
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list(APPEND outputs "${output_dir}/${input}")
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endforeach()
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# Put the output dir itself last so that it isn't considered the primary output.
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list(APPEND outputs "${output_dir}")
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add_custom_target("copy_shim_headers"
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DEPENDS "${outputs}"
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COMMENT "Copying SwiftShims module to ${output_dir}")
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if ("${LLVM_PACKAGE_VERSION}" STREQUAL "")
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message(FATAL_ERROR
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"LLVM_PACKAGE_VERSION must be set before including subdirectories")
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endif()
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# Symlink in the Clang headers.
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# First extract the "version" used for Clang's resource directory.
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string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION
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"${LLVM_PACKAGE_VERSION}")
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# Function to find LLVM or Clang headers
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function(find_llvm_clang_headers suffix description out_var)
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set(headers_locations
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"${LLVM_LIBRARY_DIR}${suffix}"
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"${SWIFT_PATH_TO_CLANG_BUILD}/${CMAKE_CFG_INTDIR}/lib${suffix}"
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"${SWIFT_PATH_TO_CLANG_BUILD}/${LLVM_BUILD_TYPE}/lib${suffix}")
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set(headers_location)
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foreach(loc ${headers_locations})
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if(EXISTS "${loc}")
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set(headers_location "${loc}")
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set(${out_var} "${loc}" PARENT_SCOPE)
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break()
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endif()
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endforeach()
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if("${headers_location}" STREQUAL "")
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message(FATAL_ERROR "${description} headers were not found in any of the following locations: ${headers_locations}")
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endif()
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endfunction()
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if(SWIFT_BUILT_STANDALONE)
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find_llvm_clang_headers("/clang/${CLANG_VERSION}" "Clang"
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clang_headers_location)
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else() # NOT SWIFT_BUILT_STANDALONE
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set(clang_headers_location "${LLVM_LIBRARY_DIR}/clang/${CLANG_VERSION}")
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endif()
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if("${CMAKE_SYSTEM_NAME}" STREQUAL "Windows")
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set(cmake_symlink_option "copy_directory")
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else()
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set(cmake_symlink_option "create_symlink")
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endif()
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add_custom_command_target(unused_var
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COMMAND
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"${CMAKE_COMMAND}" "-E" "make_directory" "${SWIFTLIB_DIR}"
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COMMAND
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"${CMAKE_COMMAND}" "-E" "${cmake_symlink_option}"
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"${clang_headers_location}"
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"${SWIFTLIB_DIR}/clang"
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CUSTOM_TARGET_NAME "symlink_clang_headers"
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OUTPUT "${SWIFTLIB_DIR}/clang"
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COMMENT "Symlinking Clang resource headers into ${SWIFTLIB_DIR}/clang")
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add_dependencies(copy_shim_headers symlink_clang_headers)
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swift_install_in_component(compiler
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FILES ${sources}
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DESTINATION "lib/swift/shims")
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# Install Clang headers under the Swift library so that an installed Swift's
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# module importer can find the compiler headers corresponding to its Clang.
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swift_install_in_component(clang-builtin-headers
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DIRECTORY "${clang_headers_location}/"
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DESTINATION "lib/swift/clang"
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PATTERN "*.h")
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swift_install_symlink_component(clang-resource-dir-symlink
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LINK_NAME clang
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TARGET ../clang/${CLANG_VERSION}
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DESTINATION "lib/swift")
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# Possibly install Clang headers under Clang's resource directory in case we
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# need to use a different version of the headers than the installed Clang. This
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# should be used in conjunction with clang-resource-dir-symlink.
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swift_install_in_component(clang-builtin-headers-in-clang-resource-dir
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DIRECTORY "${SWIFT_PATH_TO_CLANG_BUILD}/lib/clang"
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DESTINATION "lib"
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PATTERN "*.h")
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