Files
clang-p2996/lldb/tools/debugserver/source/CMakeLists.txt
Vedant Kumar 51bc20527b [cmake] Copy system debugserver from the right place when only CommandLineTools
are installed

Instead of building debugserver when building lldb, I'd rather pass
LLDB_CODESIGN_IDENTITY="" to cmake and use the one already on my system.
However, on one of my machines I only have the CommandLineTools installed, and
so the hardcoded path to the system debugserver does not work for me.
Additionally, we should verify the LLDB framework exists on the machine before
trying to set the path to debugserver. This allows us to warn the user at
configure time that a system debugserver can't be found if they choose not to
build it themselves.

Patch by Alex Langford!

Differential Revision: https://reviews.llvm.org/D44507

llvm-svn: 327691
2018-03-16 03:31:16 +00:00

260 lines
8.8 KiB
CMake

include(CheckCXXCompilerFlag)
include(CheckLibraryExists)
include_directories(${CMAKE_CURRENT_BINARY_DIR}/..)
include_directories(${LLDB_SOURCE_DIR}/source)
include_directories(MacOSX/DarwinLog)
include_directories(MacOSX)
#include_directories(${CMAKE_CURRENT_BINARY_DIR}/MacOSX)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++ -Wl,-sectcreate,__TEXT,__info_plist,${CMAKE_CURRENT_SOURCE_DIR}/../resources/lldb-debugserver-Info.plist")
check_cxx_compiler_flag("-Wno-gnu-zero-variadic-macro-arguments"
CXX_SUPPORTS_NO_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS)
if (CXX_SUPPORTS_NO_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-gnu-zero-variadic-macro-arguments")
endif ()
check_cxx_compiler_flag("-Wno-zero-length-array"
CXX_SUPPORTS_NO_ZERO_LENGTH_ARRAY)
if (CXX_SUPPORTS_NO_ZERO_LENGTH_ARRAY)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-zero-length-array")
endif ()
check_cxx_compiler_flag("-Wno-extended-offsetof"
CXX_SUPPORTS_NO_EXTENDED_OFFSETOF)
if (CXX_SUPPORTS_NO_EXTENDED_OFFSETOF)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-extended-offsetof")
endif ()
check_library_exists(compression compression_encode_buffer "" HAVE_LIBCOMPRESSION)
add_subdirectory(MacOSX)
set(generated_mach_interfaces
${CMAKE_CURRENT_BINARY_DIR}/mach_exc.h
${CMAKE_CURRENT_BINARY_DIR}/mach_excServer.c
${CMAKE_CURRENT_BINARY_DIR}/mach_excUser.c
)
add_custom_command(OUTPUT ${generated_mach_interfaces}
COMMAND mig ${CMAKE_CURRENT_SOURCE_DIR}/MacOSX/dbgnub-mig.defs
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/MacOSX/dbgnub-mig.defs
)
set(DEBUGSERVER_VERS_GENERATED_FILE ${CMAKE_CURRENT_BINARY_DIR}/debugserver_vers.c)
set_source_files_properties(${DEBUGSERVER_VERS_GENERATED_FILE} PROPERTIES GENERATED 1)
add_custom_command(OUTPUT ${DEBUGSERVER_VERS_GENERATED_FILE}
COMMAND ${LLDB_SOURCE_DIR}/scripts/generate-vers.pl
${LLDB_SOURCE_DIR}/lldb.xcodeproj/project.pbxproj debugserver
> ${DEBUGSERVER_VERS_GENERATED_FILE}
DEPENDS ${LLDB_SOURCE_DIR}/scripts/generate-vers.pl
${LLDB_SOURCE_DIR}/lldb.xcodeproj/project.pbxproj
)
set(lldbDebugserverCommonSources
DNBArch.cpp
DNBBreakpoint.cpp
DNB.cpp
DNBDataRef.cpp
DNBError.cpp
DNBLog.cpp
DNBRegisterInfo.cpp
DNBThreadResumeActions.cpp
JSON.cpp
StdStringExtractor.cpp
# JSON reader depends on the following LLDB-common files
${LLDB_SOURCE_DIR}/source/Host/common/StringConvert.cpp
${LLDB_SOURCE_DIR}/source/Host/common/SocketAddress.cpp
# end JSON reader dependencies
libdebugserver.cpp
PseudoTerminal.cpp
PThreadEvent.cpp
PThreadMutex.cpp
RNBContext.cpp
RNBRemote.cpp
RNBServices.cpp
RNBSocket.cpp
SysSignal.cpp
TTYState.cpp
MacOSX/CFBundle.cpp
MacOSX/CFString.cpp
MacOSX/Genealogy.cpp
MacOSX/MachException.cpp
MacOSX/MachProcess.mm
MacOSX/MachTask.mm
MacOSX/MachThread.cpp
MacOSX/MachThreadList.cpp
MacOSX/MachVMMemory.cpp
MacOSX/MachVMRegion.cpp
MacOSX/OsLogger.cpp
${generated_mach_interfaces}
${DEBUGSERVER_VERS_GENERATED_FILE})
add_library(lldbDebugserverCommon ${lldbDebugserverCommonSources})
set(LLDB_CODESIGN_IDENTITY "lldb_codesign"
CACHE STRING "Identity used for code signing. Set to empty string to skip the signing step.")
if(NOT LLDB_CODESIGN_IDENTITY STREQUAL "")
set(DEBUGSERVER_PATH $<TARGET_FILE:debugserver> CACHE PATH "Path to debugserver.")
set(SKIP_DEBUGSERVER OFF CACHE BOOL "Skip building the in-tree debug server")
else()
execute_process(
COMMAND xcode-select -p
OUTPUT_VARIABLE XCODE_DEV_DIR)
string(STRIP ${XCODE_DEV_DIR} XCODE_DEV_DIR)
if(EXISTS "${XCODE_DEV_DIR}/../SharedFrameworks/LLDB.framework/")
set(DEBUGSERVER_PATH
"${XCODE_DEV_DIR}/../SharedFrameworks/LLDB.framework/Resources/debugserver" CACHE PATH "Path to debugserver.")
elseif(EXISTS "${XCODE_DEV_DIR}/Library/PrivateFrameworks/LLDB.framework/")
set(DEBUGSERVER_PATH
"${XCODE_DEV_DIR}/Library/PrivateFrameworks/LLDB.framework/Resources/debugserver" CACHE PATH "Path to debugserver.")
else()
message(SEND_ERROR "Cannot find debugserver on system.")
endif()
set(SKIP_DEBUGSERVER ON CACHE BOOL "Skip building the in-tree debug server")
endif()
message(STATUS "Path to the lldb debugserver: ${DEBUGSERVER_PATH}")
if (APPLE)
if(IOS)
find_library(BACKBOARD_LIBRARY BackBoardServices
PATHS ${CMAKE_OSX_SYSROOT}/System/Library/PrivateFrameworks)
find_library(FRONTBOARD_LIBRARY FrontBoardServices
PATHS ${CMAKE_OSX_SYSROOT}/System/Library/PrivateFrameworks)
find_library(SPRINGBOARD_LIBRARY SpringBoardServices
PATHS ${CMAKE_OSX_SYSROOT}/System/Library/PrivateFrameworks)
find_library(MOBILESERVICES_LIBRARY MobileCoreServices
PATHS ${CMAKE_OSX_SYSROOT}/System/Library/PrivateFrameworks)
find_library(LOCKDOWN_LIBRARY lockdown)
if(NOT BACKBOARD_LIBRARY)
set(SKIP_DEBUGSERVER ON CACHE BOOL "Skip building the in-tree debug server" FORCE)
endif()
else()
find_library(COCOA_LIBRARY Cocoa)
endif()
endif()
if(HAVE_LIBCOMPRESSION)
set(LIBCOMPRESSION compression)
endif()
if(NOT SKIP_DEBUGSERVER)
target_link_libraries(lldbDebugserverCommon
INTERFACE ${COCOA_LIBRARY}
${CORE_FOUNDATION_LIBRARY}
${FOUNDATION_LIBRARY}
${BACKBOARD_LIBRARY}
${FRONTBOARD_LIBRARY}
${SPRINGBOARD_LIBRARY}
${MOBILESERVICES_LIBRARY}
${LOCKDOWN_LIBRARY}
lldbDebugserverArchSupport
lldbDebugserverDarwin_DarwinLog
${LIBCOMPRESSION})
if(HAVE_LIBCOMPRESSION)
set_property(TARGET lldbDebugserverCommon APPEND PROPERTY
COMPILE_DEFINITIONS HAVE_LIBCOMPRESSION)
endif()
set(LLVM_OPTIONAL_SOURCES ${lldbDebugserverCommonSources})
add_lldb_tool(debugserver INCLUDE_IN_FRAMEWORK
debugserver.cpp
LINK_LIBS
lldbDebugserverCommon
)
if(IOS)
set_property(TARGET lldbDebugserverCommon APPEND PROPERTY COMPILE_DEFINITIONS
WITH_LOCKDOWN
WITH_FBS
WITH_BKS
)
set_property(TARGET debugserver APPEND PROPERTY COMPILE_DEFINITIONS
WITH_LOCKDOWN
WITH_FBS
WITH_BKS
)
set_property(TARGET lldbDebugserverCommon APPEND PROPERTY COMPILE_FLAGS
-F${CMAKE_OSX_SYSROOT}/System/Library/PrivateFrameworks
)
endif()
endif()
if(IOS)
add_library(lldbDebugserverCommon_NonUI ${lldbDebugserverCommonSources})
target_link_libraries(lldbDebugserverCommon_NonUI
INTERFACE ${COCOA_LIBRARY}
${CORE_FOUNDATION_LIBRARY}
${FOUNDATION_LIBRARY}
lldbDebugserverArchSupport
lldbDebugserverDarwin_DarwinLog
${LIBCOMPRESSION})
if(HAVE_LIBCOMPRESSION)
set_property(TARGET lldbDebugserverCommon_NonUI APPEND PROPERTY
COMPILE_DEFINITIONS HAVE_LIBCOMPRESSION)
endif()
add_lldb_tool(debugserver-nonui
debugserver.cpp
LINK_LIBS
lldbDebugserverCommon_NonUI
)
endif()
set(entitlements_xml ${CMAKE_CURRENT_SOURCE_DIR}/debugserver-macosx-entitlements.plist)
if(IOS)
set(entitlements_xml ${CMAKE_CURRENT_SOURCE_DIR}/debugserver-entitlements.plist)
endif()
set(LLDB_USE_ENTITLEMENTS_Default On)
if("${LLDB_CODESIGN_IDENTITY}" STREQUAL "lldb_codesign")
set(LLDB_USE_ENTITLEMENTS_Default Off)
endif()
option(LLDB_USE_ENTITLEMENTS "Use entitlements when codesigning (Defaults Off when using lldb_codesign identity, otherwise On)" ${LLDB_USE_ENTITLEMENTS_Default})
if (SKIP_DEBUGSERVER)
if (CMAKE_HOST_APPLE)
# If we haven't built a signed debugserver, copy the one from the system.
add_custom_target(debugserver
COMMAND ${CMAKE_COMMAND} -E copy_if_different ${DEBUGSERVER_PATH} ${CMAKE_BINARY_DIR}/bin
VERBATIM
COMMENT "Copying the system debugserver to LLDB's binaries directory.")
endif()
else()
if(LLDB_USE_ENTITLEMENTS)
set(entitlements_flags --entitlements ${entitlements_xml})
endif()
execute_process(
COMMAND xcrun -f codesign_allocate
OUTPUT_STRIP_TRAILING_WHITESPACE
OUTPUT_VARIABLE CODESIGN_ALLOCATE
)
add_custom_command(TARGET debugserver
POST_BUILD
COMMAND ${CMAKE_COMMAND} -E env CODESIGN_ALLOCATE=${CODESIGN_ALLOCATE}
codesign --force --sign ${LLDB_CODESIGN_IDENTITY}
${entitlements_flags}
$<TARGET_FILE:debugserver>
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/bin
)
if(IOS)
add_custom_command(TARGET debugserver-nonui
POST_BUILD
COMMAND ${CMAKE_COMMAND} -E env CODESIGN_ALLOCATE=${CODESIGN_ALLOCATE}
codesign --force --sign ${LLDB_CODESIGN_IDENTITY}
${entitlements_flags}
$<TARGET_FILE:debugserver>
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/bin
)
endif()
endif()