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@ -94,102 +94,32 @@ set(lldbDebugserverCommonSources
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add_library(lldbDebugserverCommon ${lldbDebugserverCommonSources})
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option(LLDB_NO_DEBUGSERVER "Disable the debugserver target" OFF)
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option(LLDB_USE_SYSTEM_DEBUGSERVER "Use the system's debugserver instead of building it from source (Darwin only)." OFF)
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# Incompatible options
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if(LLDB_NO_DEBUGSERVER AND LLDB_USE_SYSTEM_DEBUGSERVER)
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message(FATAL_ERROR "Inconsistent options: LLDB_NO_DEBUGSERVER and LLDB_USE_SYSTEM_DEBUGSERVER")
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endif()
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set(LLDB_CODESIGN_IDENTITY "lldb_codesign"
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CACHE STRING "Identity used for code signing. Set to empty string to skip the signing step.")
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# Try to locate the system debugserver.
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# Subsequent feasibility checks depend on it.
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if(APPLE AND CMAKE_HOST_APPLE)
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if(NOT LLDB_CODESIGN_IDENTITY STREQUAL "")
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set(DEBUGSERVER_PATH ${LLVM_RUNTIME_OUTPUT_INTDIR}/debugserver${CMAKE_EXECUTABLE_SUFFIX} CACHE PATH "Path to debugserver.")
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set(SKIP_DEBUGSERVER OFF CACHE BOOL "Skip building the in-tree debug server")
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else()
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execute_process(
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COMMAND xcode-select -p
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OUTPUT_VARIABLE xcode_dev_dir)
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string(STRIP ${xcode_dev_dir} xcode_dev_dir)
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set(debugserver_rel_path "LLDB.framework/Resources/debugserver")
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set(debugserver_shared "${xcode_dev_dir}/../SharedFrameworks/${debugserver_rel_path}")
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set(debugserver_private "${xcode_dev_dir}/Library/PrivateFrameworks/${debugserver_rel_path}")
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if(EXISTS ${debugserver_shared})
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set(system_debugserver ${debugserver_shared})
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elseif(EXISTS ${debugserver_private})
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set(system_debugserver ${debugserver_private})
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endif()
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endif()
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# Handle unavailability
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if(LLDB_USE_SYSTEM_DEBUGSERVER)
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if(system_debugserver)
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set(use_system_debugserver ON)
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elseif(APPLE AND CMAKE_HOST_APPLE)
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# Binary not found on system. Keep cached variable, to try again on reconfigure.
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message(SEND_ERROR
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"LLDB_USE_SYSTEM_DEBUGSERVER option set, but no debugserver found in:\
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${debugserver_shared}\
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${debugserver_private}")
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OUTPUT_VARIABLE XCODE_DEV_DIR)
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string(STRIP ${XCODE_DEV_DIR} XCODE_DEV_DIR)
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if(EXISTS "${XCODE_DEV_DIR}/../SharedFrameworks/LLDB.framework/")
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set(DEBUGSERVER_PATH
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"${XCODE_DEV_DIR}/../SharedFrameworks/LLDB.framework/Resources/debugserver" CACHE PATH "Path to debugserver.")
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elseif(EXISTS "${XCODE_DEV_DIR}/Library/PrivateFrameworks/LLDB.framework/")
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set(DEBUGSERVER_PATH
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"${XCODE_DEV_DIR}/Library/PrivateFrameworks/LLDB.framework/Resources/debugserver" CACHE PATH "Path to debugserver.")
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else()
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# Non-Apple target platform or non-Darwin host. Reset invalid cached variable.
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message(WARNING "Reverting invalid option LLDB_USE_SYSTEM_DEBUGSERVER (Darwin only)")
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set(LLDB_USE_SYSTEM_DEBUGSERVER OFF CACHE BOOL "" FORCE)
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endif()
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elseif(NOT LLDB_NO_DEBUGSERVER)
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# Default case: on Darwin we need the right code signing ID.
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# See lldb/docs/code-signing.txt for details.
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if(CMAKE_HOST_APPLE AND NOT LLVM_CODESIGNING_IDENTITY STREQUAL "lldb_codesign")
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set(msg "Cannot code sign debugserver with identity '${LLVM_CODESIGNING_IDENTITY}'.")
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if(system_debugserver)
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message(WARNING "${msg} Will fall back to system's debugserver.")
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set(use_system_debugserver ON)
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else()
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message(WARNING "${msg} debugserver will not be available.")
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endif()
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else()
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set(build_and_sign_debugserver ON)
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message(SEND_ERROR "Cannot find debugserver on system.")
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endif()
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set(SKIP_DEBUGSERVER ON CACHE BOOL "Skip building the in-tree debug server")
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endif()
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message(STATUS "Path to the lldb debugserver: ${DEBUGSERVER_PATH}")
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# TODO: We don't use the $<TARGET_FILE:debugserver> generator expression here,
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# because the value of DEBUGSERVER_PATH is used to build LLDB_DOTEST_ARGS,
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# which is used for configuring lldb-dotest.in, which does not have a generator
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# step at the moment.
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set(default_debugserver_path "${LLVM_TOOLS_BINARY_DIR}/debugserver${CMAKE_EXECUTABLE_SUFFIX}")
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# Remember where debugserver binary goes and whether or not we have to test it.
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set(DEBUGSERVER_PATH "" CACHE FILEPATH "Path to debugserver")
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set(SKIP_TEST_DEBUGSERVER OFF CACHE BOOL "Building the in-tree debugserver was skipped")
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# Reset values in all cases in order to correctly support reconfigurations.
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if(use_system_debugserver)
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add_custom_target(debugserver
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COMMAND ${CMAKE_COMMAND} -E copy_if_different
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${system_debugserver} ${LLVM_TOOLS_BINARY_DIR}
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COMMENT "Copying the system debugserver to LLDB's binaries directory.")
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# Don't test debugserver itself.
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# Tests that require debugserver will use the copy.
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set(DEBUGSERVER_PATH ${default_debugserver_path} CACHE FILEPATH "" FORCE)
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set(SKIP_TEST_DEBUGSERVER ON CACHE BOOL "" FORCE)
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message(STATUS "Copy system debugserver from: ${system_debugserver}")
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elseif(build_and_sign_debugserver)
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# Build, sign and test debugserver (below)
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set(DEBUGSERVER_PATH ${default_debugserver_path} CACHE FILEPATH "" FORCE)
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set(SKIP_TEST_DEBUGSERVER OFF CACHE BOOL "" FORCE)
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message(STATUS "lldb debugserver: ${DEBUGSERVER_PATH}")
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else()
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# No tests for debugserver, no tests that require it.
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set(DEBUGSERVER_PATH "" CACHE FILEPATH "" FORCE)
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set(SKIP_TEST_DEBUGSERVER ON CACHE BOOL "" FORCE)
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message(STATUS "lldb debugserver will not be available.")
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endif()
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if(APPLE)
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if (APPLE)
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if(IOS)
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find_library(BACKBOARD_LIBRARY BackBoardServices
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PATHS ${CMAKE_OSX_SYSROOT}/System/Library/PrivateFrameworks)
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@ -202,7 +132,7 @@ if(APPLE)
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find_library(LOCKDOWN_LIBRARY lockdown)
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if(NOT BACKBOARD_LIBRARY)
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set(SKIP_TEST_DEBUGSERVER ON CACHE BOOL "" FORCE)
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set(SKIP_DEBUGSERVER ON CACHE BOOL "Skip building the in-tree debug server" FORCE)
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endif()
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else()
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find_library(COCOA_LIBRARY Cocoa)
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@ -213,16 +143,7 @@ if(HAVE_LIBCOMPRESSION)
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set(LIBCOMPRESSION compression)
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endif()
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if(LLDB_USE_ENTITLEMENTS)
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if(IOS)
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set(entitlements ${CMAKE_CURRENT_SOURCE_DIR}/debugserver-entitlements.plist)
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else()
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# Same entitlements file as used for lldb-server
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set(entitlements ${LLDB_SOURCE_DIR}/resources/debugserver-macosx-entitlements.plist)
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endif()
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endif()
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if(build_and_sign_debugserver)
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if(NOT SKIP_DEBUGSERVER)
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target_link_libraries(lldbDebugserverCommon
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INTERFACE ${COCOA_LIBRARY}
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${CORE_FOUNDATION_LIBRARY}
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@ -245,9 +166,6 @@ if(build_and_sign_debugserver)
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LINK_LIBS
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lldbDebugserverCommon
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ENTITLEMENTS
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${entitlements}
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)
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if(IOS)
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set_property(TARGET lldbDebugserverCommon APPEND PROPERTY COMPILE_DEFINITIONS
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@ -285,8 +203,54 @@ if(IOS)
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LINK_LIBS
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lldbDebugserverCommon_NonUI
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ENTITLEMENTS
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${entitlements}
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)
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endif()
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set(entitlements_xml ${CMAKE_CURRENT_SOURCE_DIR}/debugserver-macosx-entitlements.plist)
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if(IOS)
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set(entitlements_xml ${CMAKE_CURRENT_SOURCE_DIR}/debugserver-entitlements.plist)
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else()
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set(entitlements_xml ${CMAKE_CURRENT_SOURCE_DIR}/../../../resources/debugserver-macosx-entitlements.plist)
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endif()
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set(LLDB_USE_ENTITLEMENTS_Default On)
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option(LLDB_USE_ENTITLEMENTS "Use entitlements when codesigning (Defaults Off when using lldb_codesign identity, otherwise On)" ${LLDB_USE_ENTITLEMENTS_Default})
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if (SKIP_DEBUGSERVER)
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if (CMAKE_HOST_APPLE)
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# If we haven't built a signed debugserver, copy the one from the system.
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add_custom_target(debugserver
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COMMAND ${CMAKE_COMMAND} -E copy_if_different ${DEBUGSERVER_PATH} ${CMAKE_BINARY_DIR}/bin
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VERBATIM
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COMMENT "Copying the system debugserver to LLDB's binaries directory.")
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endif()
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else()
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if(LLDB_USE_ENTITLEMENTS)
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set(entitlements_flags --entitlements ${entitlements_xml})
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endif()
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execute_process(
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COMMAND xcrun -f codesign_allocate
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OUTPUT_STRIP_TRAILING_WHITESPACE
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OUTPUT_VARIABLE CODESIGN_ALLOCATE
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)
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add_custom_command(TARGET debugserver
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POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E env CODESIGN_ALLOCATE=${CODESIGN_ALLOCATE}
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codesign --force --sign ${LLDB_CODESIGN_IDENTITY}
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${entitlements_flags}
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$<TARGET_FILE:debugserver>
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)
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if(IOS)
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add_custom_command(TARGET debugserver-nonui
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POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E env CODESIGN_ALLOCATE=${CODESIGN_ALLOCATE}
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codesign --force --sign ${LLDB_CODESIGN_IDENTITY}
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${entitlements_flags}
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$<TARGET_FILE:debugserver>
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)
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endif()
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endif()
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Davide Italiano