mirror of
https://github.com/capstone-engine/llvm-capstone.git
synced 2024-12-01 09:41:08 +00:00
27db230ab0
As per r241993, libunwind_ext.h is not used anymore, and thus only the public libunwind includes are needed. This eases distro packaging efforts and removes an unneeded requirement for out-of-tree building. Reviewed as D33178 llvm-svn: 304359
535 lines
20 KiB
CMake
535 lines
20 KiB
CMake
#===============================================================================
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# Setup Project
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#===============================================================================
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cmake_minimum_required(VERSION 3.4.3)
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if(POLICY CMP0042)
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cmake_policy(SET CMP0042 NEW) # Set MACOSX_RPATH=YES by default
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endif()
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# Add path for custom modules
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set(CMAKE_MODULE_PATH
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"${CMAKE_CURRENT_SOURCE_DIR}/cmake"
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"${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules"
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${CMAKE_MODULE_PATH}
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)
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if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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project(libcxxabi)
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# Rely on llvm-config.
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set(CONFIG_OUTPUT)
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if (NOT LLVM_CONFIG_PATH)
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find_program(LLVM_CONFIG_PATH "llvm-config")
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endif()
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if(DEFINED LLVM_PATH)
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set(LLVM_INCLUDE_DIR ${LLVM_INCLUDE_DIR} CACHE PATH "Path to llvm/include")
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set(LLVM_PATH ${LLVM_PATH} CACHE PATH "Path to LLVM source tree")
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set(LLVM_MAIN_SRC_DIR ${LLVM_PATH})
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set(LLVM_CMAKE_PATH "${LLVM_PATH}/cmake/modules")
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elseif(LLVM_CONFIG_PATH)
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message(STATUS "Found LLVM_CONFIG_PATH as ${LLVM_CONFIG_PATH}")
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set(CONFIG_COMMAND ${LLVM_CONFIG_PATH}
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"--includedir"
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"--prefix"
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"--src-root")
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execute_process(
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COMMAND ${CONFIG_COMMAND}
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RESULT_VARIABLE HAD_ERROR
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OUTPUT_VARIABLE CONFIG_OUTPUT
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)
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if(NOT HAD_ERROR)
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string(REGEX REPLACE
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"[ \t]*[\r\n]+[ \t]*" ";"
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CONFIG_OUTPUT ${CONFIG_OUTPUT})
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else()
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string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}")
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message(STATUS "${CONFIG_COMMAND_STR}")
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message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}")
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endif()
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list(GET CONFIG_OUTPUT 0 INCLUDE_DIR)
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list(GET CONFIG_OUTPUT 1 LLVM_OBJ_ROOT)
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list(GET CONFIG_OUTPUT 2 MAIN_SRC_DIR)
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set(LLVM_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include")
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set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree")
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set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree")
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set(LLVM_LIT_PATH "${LLVM_PATH}/utils/lit/lit.py")
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# --cmakedir is supported since llvm r291218 (4.0 release)
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execute_process(
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COMMAND ${LLVM_CONFIG_PATH} --cmakedir
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RESULT_VARIABLE HAD_ERROR
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OUTPUT_VARIABLE CONFIG_OUTPUT
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ERROR_QUIET)
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if(NOT HAD_ERROR)
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string(STRIP "${CONFIG_OUTPUT}" LLVM_CMAKE_PATH)
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else()
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set(LLVM_CMAKE_PATH
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"${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm")
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endif()
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else()
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message(FATAL_ERROR "llvm-config not found and LLVM_MAIN_SRC_DIR not defined. "
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"Reconfigure with -DLLVM_CONFIG_PATH=path/to/llvm-config "
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"or -DLLVM_PATH=path/to/llvm-source-root.")
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endif()
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if(EXISTS ${LLVM_CMAKE_PATH})
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list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
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include("${LLVM_CMAKE_PATH}/AddLLVM.cmake")
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include("${LLVM_CMAKE_PATH}/HandleLLVMOptions.cmake")
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else()
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message(FATAL_ERROR "Not found: ${LLVM_CMAKE_PATH}")
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endif()
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set(PACKAGE_NAME libcxxabi)
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set(PACKAGE_VERSION 5.0.0svn)
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set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
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set(PACKAGE_BUGREPORT "llvm-bugs@lists.llvm.org")
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if (NOT DEFINED LLVM_INCLUDE_TESTS)
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set(LLVM_INCLUDE_TESTS ON)
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endif()
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if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
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set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
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else()
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# Seek installed Lit.
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find_program(LLVM_LIT "lit.py" ${LLVM_MAIN_SRC_DIR}/utils/lit
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DOC "Path to lit.py")
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endif()
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if(LLVM_LIT)
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# Define the default arguments to use with 'lit', and an option for the user
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# to override.
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set(LIT_ARGS_DEFAULT "-sv")
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if (MSVC OR XCODE)
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set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
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endif()
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set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
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# On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
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if( WIN32 AND NOT CYGWIN )
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set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
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endif()
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else()
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set(LLVM_INCLUDE_TESTS OFF)
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endif()
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set(LIBCXXABI_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}" CACHE STRING
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"Define suffix of library directory name (32/64)")
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set(LIBCXXABI_STANDALONE_BUILD 1)
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else()
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set(LLVM_MAIN_SRC_DIR "${CMAKE_SOURCE_DIR}" CACHE PATH "Path to LLVM source tree")
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set(LLVM_LIT "${CMAKE_SOURCE_DIR}/utils/lit/lit.py")
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set(LIBCXXABI_LIBDIR_SUFFIX ${LLVM_LIBDIR_SUFFIX})
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endif()
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#===============================================================================
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# Setup CMake Options
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#===============================================================================
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include(HandleCompilerRT)
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# Define options.
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option(LIBCXXABI_ENABLE_EXCEPTIONS "Use exceptions." ON)
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option(LIBCXXABI_ENABLE_ASSERTIONS "Enable assertions independent of build mode." ON)
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option(LIBCXXABI_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
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option(LIBCXXABI_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
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option(LIBCXXABI_USE_LLVM_UNWINDER "Build and use the LLVM unwinder." OFF)
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option(LIBCXXABI_ENABLE_STATIC_UNWINDER "Statically link the LLVM unwinder." OFF)
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option(LIBCXXABI_USE_COMPILER_RT "Use compiler-rt instead of libgcc" OFF)
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option(LIBCXXABI_ENABLE_THREADS "Build with threads enabled" ON)
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option(LIBCXXABI_HAS_PTHREAD_API "Ignore auto-detection and force use of pthread API" OFF)
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option(LIBCXXABI_HAS_EXTERNAL_THREAD_API
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"Build libc++abi with an externalized threading API.
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This option may only be set to ON when LIBCXXABI_ENABLE_THREADS=ON." OFF)
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option(LIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY
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"Build libc++abi with an externalized threading library.
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This option may only be set to ON when LIBCXXABI_ENABLE_THREADS=ON" OFF)
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# FIXME: This option should default to off. Unfortunatly GCC 4.9 fails to link
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# programs to due undefined references to new/delete in libc++abi. Once this
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# has been fixed or worked around the default value should be changed.
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option(LIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS
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"Build libc++abi with definitions for operator new/delete. Normally libc++
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provides these definitions" ON)
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option(LIBCXXABI_BUILD_32_BITS "Build 32 bit libc++abi." ${LLVM_BUILD_32_BITS})
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option(LIBCXXABI_INCLUDE_TESTS "Generate build targets for the libc++abi unit tests." ${LLVM_INCLUDE_TESTS})
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set(LIBCXXABI_TARGET_TRIPLE "" CACHE STRING "Target triple for cross compiling.")
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set(LIBCXXABI_GCC_TOOLCHAIN "" CACHE PATH "GCC toolchain for cross compiling.")
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set(LIBCXXABI_SYSROOT "" CACHE PATH "Sysroot for cross compiling.")
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set(LIBCXXABI_LIBCXX_LIBRARY_PATH "" CACHE PATH "The path to libc++ library.")
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# Default to building a shared library so that the default options still test
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# the libc++abi that is being built. There are two problems with testing a
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# static libc++abi. In the case of a standalone build, the tests will link the
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# system's libc++, which might not have been built against our libc++abi. In the
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# case of an in tree build, libc++ will prefer a dynamic libc++abi from the
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# system over a static libc++abi from the output directory.
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option(LIBCXXABI_ENABLE_SHARED "Build libc++abi as a shared library." ON)
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option(LIBCXXABI_ENABLE_STATIC "Build libc++abi as a static library." ON)
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option(LIBCXXABI_BAREMETAL "Build libc++abi for baremetal targets." OFF)
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# The default terminate handler attempts to demangle uncaught exceptions, which
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# causes extra I/O and demangling code to be pulled in.
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option(LIBCXXABI_SILENT_TERMINATE "Set this to make the terminate handler default to a silent alternative" OFF)
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if (NOT LIBCXXABI_ENABLE_SHARED AND NOT LIBCXXABI_ENABLE_STATIC)
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message(FATAL_ERROR "libc++abi must be built as either a shared or static library.")
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endif()
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if (LLVM_EXTERNAL_LIBCXX_SOURCE_DIR)
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set(LIBCXXABI_LIBCXX_SRC_DIRS ${LLVM_EXTERNAL_LIBCXX_SOURCE_DIR})
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else()
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set(LIBCXXABI_LIBCXX_SRC_DIRS
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"${LLVM_MAIN_SRC_DIR}/projects/libcxx"
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"${LLVM_MAIN_SRC_DIR}/runtimes/libcxx"
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)
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endif()
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set(LIBCXXABI_LIBCXX_INCLUDE_DIRS "")
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foreach(dir ${LIBCXXABI_LIBCXX_SRC_DIRS})
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list(APPEND LIBCXXABI_LIBCXX_INCLUDE_DIRS "${dir}/include")
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endforeach()
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find_path(
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LIBCXXABI_LIBCXX_INCLUDES
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vector
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PATHS ${LIBCXXABI_LIBCXX_INCLUDES}
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${LIBCXXABI_LIBCXX_PATH}/include
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${CMAKE_BINARY_DIR}/${LIBCXXABI_LIBCXX_INCLUDES}
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${LIBCXXABI_LIBCXX_INCLUDE_DIRS}
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${LLVM_INCLUDE_DIR}/c++/v1
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)
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set(LIBCXXABI_LIBCXX_INCLUDES "${LIBCXXABI_LIBCXX_INCLUDES}" CACHE PATH
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"Specify path to libc++ includes." FORCE)
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find_path(
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LIBCXXABI_LIBCXX_PATH
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utils/libcxx/test/__init__.py
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PATHS ${LIBCXXABI_LIBCXX_PATH}
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${LIBCXXABI_LIBCXX_INCLUDES}/../
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${LIBCXXABI_LIBCXX_SRC_DIRS}
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NO_DEFAULT_PATH
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)
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if (LIBCXXABI_LIBCXX_PATH STREQUAL "LIBCXXABI_LIBCXX_PATH-NOTFOUND")
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message(WARNING "LIBCXXABI_LIBCXX_PATH was not specified and couldn't be infered.")
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set(LIBCXXABI_LIBCXX_PATH "")
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endif()
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set(LIBCXXABI_LIBCXX_PATH "${LIBCXXABI_LIBCXX_PATH}" CACHE PATH
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"Specify path to libc++ source." FORCE)
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#===============================================================================
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# Configure System
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#===============================================================================
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# Add path for custom modules
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set(CMAKE_MODULE_PATH
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"${CMAKE_CURRENT_SOURCE_DIR}/cmake"
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"${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules"
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${CMAKE_MODULE_PATH}
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)
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set(LIBCXXABI_COMPILER ${CMAKE_CXX_COMPILER})
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set(LIBCXXABI_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
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set(LIBCXXABI_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
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if (LLVM_LIBRARY_OUTPUT_INTDIR)
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set(LIBCXXABI_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
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else()
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set(LIBCXXABI_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBCXXABI_LIBDIR_SUFFIX})
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endif()
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set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LIBCXXABI_LIBRARY_DIR})
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set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LIBCXXABI_LIBRARY_DIR})
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# By default, for non-standalone builds, libcxx and libcxxabi share a library
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# directory.
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if (NOT LIBCXXABI_LIBCXX_LIBRARY_PATH)
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set(LIBCXXABI_LIBCXX_LIBRARY_PATH "${LIBCXXABI_LIBRARY_DIR}" CACHE PATH
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"The path to libc++ library.")
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endif()
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# Check that we can build with 32 bits if requested.
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if (CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32)
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if (LIBCXXABI_BUILD_32_BITS AND NOT LLVM_BUILD_32_BITS) # Don't duplicate the output from LLVM
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message(STATUS "Building 32 bits executables and libraries.")
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endif()
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elseif(LIBCXXABI_BUILD_32_BITS)
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message(FATAL_ERROR "LIBCXXABI_BUILD_32_BITS=ON is not supported on this platform.")
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endif()
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#===============================================================================
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# Setup Compiler Flags
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#===============================================================================
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# Get required flags.
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macro(append_if list condition var)
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if (${condition})
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list(APPEND ${list} ${var})
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endif()
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endmacro()
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macro(add_target_flags_if condition var)
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if (${condition})
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${var}")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${var}")
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list(APPEND LIBCXXABI_COMPILE_FLAGS ${var})
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list(APPEND LIBCXXABI_LINK_FLAGS ${var})
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endif()
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endmacro()
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set(LIBCXXABI_C_FLAGS "")
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set(LIBCXXABI_CXX_FLAGS "")
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set(LIBCXXABI_COMPILE_FLAGS "")
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set(LIBCXXABI_LINK_FLAGS "")
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# Configure target flags
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add_target_flags_if(LIBCXXABI_BUILD_32_BITS "-m32")
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add_target_flags_if(LIBCXXABI_TARGET_TRIPLE
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"--target=${LIBCXXABI_TARGET_TRIPLE}")
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add_target_flags_if(LIBCXXABI_GCC_TOOLCHAIN
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"--gcc-toolchain=${LIBCXXABI_GCC_TOOLCHAIN}")
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add_target_flags_if(LIBCXXABI_SYSROOT
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"--sysroot=${LIBCXXABI_SYSROOT}")
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if (LIBCXXABI_TARGET_TRIPLE)
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set(TARGET_TRIPLE "${LIBCXXABI_TARGET_TRIPLE}")
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endif()
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# Configure compiler. Must happen after setting the target flags.
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include(config-ix)
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if (LIBCXXABI_HAS_NOSTDINCXX_FLAG)
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list(APPEND LIBCXXABI_COMPILE_FLAGS -nostdinc++)
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# Remove -stdlib flags to prevent them from causing an unused flag warning.
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string(REPLACE "-stdlib=libc++" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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string(REPLACE "-stdlib=libstdc++" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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endif()
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if (LIBCXXABI_USE_COMPILER_RT)
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list(APPEND LIBCXXABI_LINK_FLAGS "-rtlib=compiler-rt")
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endif()
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# Let the library headers know they are currently being used to build the
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# library.
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add_definitions(-D_LIBCXXABI_BUILDING_LIBRARY)
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# Disable DLL annotations on Windows for static builds.
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if (WIN32 AND LIBCXXABI_ENABLE_STATIC AND NOT LIBCXXABI_ENABLE_SHARED)
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add_definitions(-D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS)
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endif()
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WERROR_FLAG -Werror=return-type)
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# Get warning flags
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_W_FLAG -W)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WALL_FLAG -Wall)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WCHAR_SUBSCRIPTS_FLAG -Wchar-subscripts)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WCONVERSION_FLAG -Wconversion)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WMISMATCHED_TAGS_FLAG -Wmismatched-tags)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WMISSING_BRACES_FLAG -Wmissing-braces)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WNEWLINE_EOF_FLAG -Wnewline-eof)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WUNUSED_FUNCTION_FLAG -Wunused-function)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSHADOW_FLAG -Wshadow)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSHORTEN_64_TO_32_FLAG -Wshorten-64-to-32)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSIGN_COMPARE_FLAG -Wsign-compare)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSIGN_CONVERSION_FLAG -Wsign-conversion)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSTRICT_ALIASING_FLAG -Wstrict-aliasing=2)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSTRICT_OVERFLOW_FLAG -Wstrict-overflow=4)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WUNUSED_PARAMETER_FLAG -Wunused-parameter)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WUNUSED_VARIABLE_FLAG -Wunused-variable)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WWRITE_STRINGS_FLAG -Wwrite-strings)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WUNDEF_FLAG -Wundef)
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if (LIBCXXABI_ENABLE_WERROR)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WERROR_FLAG -Werror)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WX_FLAG -WX)
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else()
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WNO_ERROR_FLAG -Wno-error)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_NO_WX_FLAG -WX-)
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endif()
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if (LIBCXXABI_ENABLE_PEDANTIC)
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append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_PEDANTIC_FLAG -pedantic)
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endif()
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# Get feature flags.
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append_if(LIBCXXABI_CXX_FLAGS LIBCXXABI_HAS_FSTRICT_ALIASING_FLAG -fstrict-aliasing)
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# Exceptions
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if (LIBCXXABI_ENABLE_EXCEPTIONS)
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# Catches C++ exceptions only and tells the compiler to assume that extern C
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# functions never throw a C++ exception.
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append_if(LIBCXXABI_CXX_FLAGS LIBCXXABI_HAS_EHSC_FLAG -EHsc)
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append_if(LIBCXXABI_C_FLAGS LIBCXXABI_HAS_FUNWIND_TABLES -funwind-tables)
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else()
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add_definitions(-D_LIBCXXABI_NO_EXCEPTIONS)
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append_if(LIBCXXABI_CXX_FLAGS LIBCXXABI_HAS_NO_EXCEPTIONS_FLAG -fno-exceptions)
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append_if(LIBCXXABI_CXX_FLAGS LIBCXXABI_HAS_NO_EHS_FLAG -EHs-)
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append_if(LIBCXXABI_CXX_FLAGS LIBCXXABI_HAS_NO_EHA_FLAG -EHa-)
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endif()
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# Assert
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string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
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if (LIBCXXABI_ENABLE_ASSERTIONS)
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# MSVC doesn't like _DEBUG on release builds. See PR 4379.
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if (NOT MSVC)
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list(APPEND LIBCXXABI_COMPILE_FLAGS -D_DEBUG)
|
|
endif()
|
|
# On Release builds cmake automatically defines NDEBUG, so we
|
|
# explicitly undefine it:
|
|
if (uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE")
|
|
list(APPEND LIBCXXABI_COMPILE_FLAGS -UNDEBUG)
|
|
endif()
|
|
else()
|
|
if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE")
|
|
list(APPEND LIBCXXABI_COMPILE_FLAGS -DNDEBUG)
|
|
endif()
|
|
endif()
|
|
# Static library
|
|
if (NOT LIBCXXABI_ENABLE_SHARED)
|
|
list(APPEND LIBCXXABI_COMPILE_FLAGS -D_LIBCPP_BUILD_STATIC)
|
|
endif()
|
|
|
|
# Threading
|
|
if (NOT LIBCXXABI_ENABLE_THREADS)
|
|
if (LIBCXXABI_HAS_PTHREAD_API)
|
|
message(FATAL_ERROR "LIBCXXABI_HAS_PTHREAD_API can only"
|
|
" be set to ON when LIBCXXABI_ENABLE_THREADS"
|
|
" is also set to ON.")
|
|
endif()
|
|
if (LIBCXXABI_HAS_EXTERNAL_THREAD_API)
|
|
message(FATAL_ERROR "LIBCXXABI_HAS_EXTERNAL_THREAD_API can only"
|
|
" be set to ON when LIBCXXABI_ENABLE_THREADS"
|
|
" is also set to ON.")
|
|
endif()
|
|
if (LIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY)
|
|
message(FATAL_ERROR "LIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY can only"
|
|
" be set to ON when LIBCXXABI_ENABLE_THREADS"
|
|
" is also set to ON.")
|
|
endif()
|
|
add_definitions(-D_LIBCXXABI_HAS_NO_THREADS)
|
|
endif()
|
|
|
|
if (LIBCXXABI_HAS_EXTERNAL_THREAD_API)
|
|
if (LIBCXXABI_HAS_PTHREAD_API)
|
|
message(FATAL_ERROR "The options LIBCXXABI_HAS_EXTERNAL_THREAD_API"
|
|
" and LIBCXXABI_HAS_PTHREAD_API cannot be both"
|
|
" set to ON at the same time.")
|
|
endif()
|
|
if (LIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY)
|
|
message(FATAL_ERROR "The options LIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY"
|
|
" and LIBCXXABI_HAS_EXTERNAL_THREAD_API cannot be both"
|
|
" set to ON at the same time.")
|
|
endif()
|
|
endif()
|
|
|
|
set(LIBCXXABI_HAS_UNDEFINED_SYMBOLS OFF)
|
|
if ((NOT LIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS)
|
|
OR (LIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY AND LIBCXXABI_ENABLE_SHARED)
|
|
OR MINGW)
|
|
set(LIBCXXABI_HAS_UNDEFINED_SYMBOLS ON)
|
|
endif()
|
|
|
|
if (LIBCXXABI_HAS_UNDEFINED_SYMBOLS)
|
|
# Need to allow unresolved symbols if this is to work with shared library builds
|
|
if (APPLE)
|
|
list(APPEND LIBCXXABI_LINK_FLAGS "-undefined dynamic_lookup")
|
|
else()
|
|
# Relax this restriction from HandleLLVMOptions
|
|
string(REPLACE "-Wl,-z,defs" "" CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
|
|
endif()
|
|
endif()
|
|
|
|
if (LIBCXXABI_HAS_PTHREAD_API)
|
|
add_definitions(-D_LIBCPP_HAS_THREAD_API_PTHREAD)
|
|
endif()
|
|
|
|
if (LIBCXXABI_HAS_EXTERNAL_THREAD_API)
|
|
add_definitions(-D_LIBCPP_HAS_THREAD_API_EXTERNAL)
|
|
endif()
|
|
|
|
if (LIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY)
|
|
add_definitions(-D_LIBCPP_HAS_THREAD_LIBRARY_EXTERNAL)
|
|
endif()
|
|
|
|
# Prevent libc++abi from having library dependencies on libc++
|
|
add_definitions(-D_LIBCPP_DISABLE_EXTERN_TEMPLATE)
|
|
|
|
if (MSVC)
|
|
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
|
|
endif()
|
|
|
|
# Define LIBCXXABI_USE_LLVM_UNWINDER for conditional compilation.
|
|
if (LIBCXXABI_USE_LLVM_UNWINDER)
|
|
add_definitions(-DLIBCXXABI_USE_LLVM_UNWINDER)
|
|
endif()
|
|
|
|
if (LIBCXXABI_SILENT_TERMINATE)
|
|
add_definitions(-DLIBCXXABI_SILENT_TERMINATE)
|
|
endif()
|
|
|
|
if (LIBCXXABI_BAREMETAL)
|
|
add_definitions(-DLIBCXXABI_BAREMETAL)
|
|
endif()
|
|
|
|
string(REPLACE ";" " " LIBCXXABI_CXX_FLAGS "${LIBCXXABI_CXX_FLAGS}")
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBCXXABI_CXX_FLAGS}")
|
|
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${LIBCXXABI_C_FLAGS}")
|
|
|
|
#===============================================================================
|
|
# Setup Source Code
|
|
#===============================================================================
|
|
|
|
set(LIBCXXABI_LIBUNWIND_INCLUDES "${LIBCXXABI_LIBUNWIND_INCLUDES}" CACHE PATH
|
|
"Specify path to libunwind includes." FORCE)
|
|
set(LIBCXXABI_LIBUNWIND_PATH "${LIBCXXABI_LIBUNWIND_PATH}" CACHE PATH
|
|
"Specify path to libunwind source." FORCE)
|
|
|
|
include_directories(include)
|
|
if (LIBCXXABI_USE_LLVM_UNWINDER OR LLVM_NATIVE_ARCH MATCHES ARM)
|
|
find_path(
|
|
LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL
|
|
libunwind.h
|
|
PATHS ${LIBCXXABI_LIBUNWIND_INCLUDES}
|
|
${LIBCXXABI_LIBUNWIND_PATH}/include
|
|
${CMAKE_BINARY_DIR}/${LIBCXXABI_LIBUNWIND_INCLUDES}
|
|
${LLVM_MAIN_SRC_DIR}/projects/libunwind/include
|
|
${LLVM_MAIN_SRC_DIR}/runtimes/libunwind/include
|
|
NO_DEFAULT_PATH
|
|
)
|
|
|
|
if (LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL STREQUAL "LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL-NOTFOUND")
|
|
set(LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL "")
|
|
endif()
|
|
|
|
if (NOT LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL STREQUAL "")
|
|
include_directories("${LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL}")
|
|
endif()
|
|
endif()
|
|
|
|
# Add source code. This also contains all of the logic for deciding linker flags
|
|
# soname, etc...
|
|
add_subdirectory(src)
|
|
|
|
if (NOT LIBCXXABI_INCLUDE_TESTS OR (LIBCXXABI_STANDALONE_BUILD AND NOT LIBCXXABI_ENABLE_SHARED))
|
|
# We can't reasonably test the system C++ library with a static libc++abi.
|
|
# We either need to be able to replace libc++abi at run time (with a shared
|
|
# libc++abi), or we need to be able to replace the C++ runtime (with a non-
|
|
# standalone build).
|
|
message(WARNING "The libc++abi tests aren't valid when libc++abi is built "
|
|
"standalone (i.e. outside of llvm/projects/libcxxabi ) and "
|
|
"is built without a shared library. Either build a shared "
|
|
"library, build libc++abi at the same time as you build "
|
|
"libc++, or do without testing. No check target will be "
|
|
"available!")
|
|
else()
|
|
add_subdirectory(test)
|
|
add_subdirectory(fuzz)
|
|
endif()
|