mirror of
https://github.com/capstone-engine/llvm-capstone.git
synced 2024-10-10 12:55:00 +00:00
789b7f0828
This fixes the issue introduced by r362048 where we always use pragma comment(lib, ...) for dependent libraries when the compiler is Clang, but older Clang versions don't support this pragma so we need to check first if it's supported before using it. llvm-svn: 362055
505 lines
19 KiB
CMake
505 lines
19 KiB
CMake
# See www/CMake.html for instructions on how to build libcxxabi with CMake.
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#===============================================================================
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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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${CMAKE_MODULE_PATH}
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)
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if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR OR LIBCXXABI_STANDALONE_BUILD)
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project(libcxxabi CXX C)
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set(PACKAGE_NAME libcxxabi)
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set(PACKAGE_VERSION 9.0.0svn)
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set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
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set(PACKAGE_BUGREPORT "llvm-bugs@lists.llvm.org")
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# Find the LLVM sources and simulate LLVM CMake options.
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include(HandleOutOfTreeLLVM)
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endif()
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# Require out of source build.
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include(MacroEnsureOutOfSourceBuild)
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MACRO_ENSURE_OUT_OF_SOURCE_BUILD(
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"${PROJECT_NAME} requires an out of source build. Please create a separate
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build directory and run 'cmake /path/to/${PROJECT_NAME} [options]' there."
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)
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#===============================================================================
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# Setup CMake Options
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#===============================================================================
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include(CMakeDependentOption)
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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_PIC "Build Position-Independent Code, even in static library" 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." ${LLVM_INCLUDE_TESTS})
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set(LIBCXXABI_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}" CACHE STRING
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"Define suffix of library directory name (32/64)")
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option(LIBCXXABI_INSTALL_LIBRARY "Install the libc++abi library." ON)
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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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cmake_dependent_option(LIBCXXABI_INSTALL_STATIC_LIBRARY
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"Install the static libc++abi library." ON
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"LIBCXXABI_ENABLE_STATIC;LIBCXXABI_INSTALL_LIBRARY" OFF)
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cmake_dependent_option(LIBCXXABI_INSTALL_SHARED_LIBRARY
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"Install the shared libc++abi library." ON
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"LIBCXXABI_ENABLE_SHARED;LIBCXXABI_INSTALL_LIBRARY" OFF)
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cmake_dependent_option(LIBCXXABI_STATICALLY_LINK_UNWINDER_IN_STATIC_LIBRARY
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"Statically link the LLVM unwinder to static library" ON
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"LIBCXXABI_ENABLE_STATIC_UNWINDER;LIBCXXABI_ENABLE_STATIC" OFF)
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cmake_dependent_option(LIBCXXABI_STATICALLY_LINK_UNWINDER_IN_SHARED_LIBRARY
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"Statically link the LLVM unwinder to shared library" ON
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"LIBCXXABI_ENABLE_STATIC_UNWINDER;LIBCXXABI_ENABLE_SHARED" OFF)
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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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"${LLVM_MAIN_SRC_DIR}/runtimes/libcxx"
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"${LLVM_MAIN_SRC_DIR}/../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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__config
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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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NO_DEFAULT_PATH
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NO_CMAKE_FIND_ROOT_PATH
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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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${LIBCXXABI_LIBCXX_SRC_DIRS}
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NO_DEFAULT_PATH
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NO_CMAKE_FIND_ROOT_PATH
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)
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if (LIBCXXABI_LIBCXX_PATH STREQUAL "LIBCXXABI_LIBCXX_PATH-NOTFOUND")
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message(WARNING "LIBCXXABI_LIBCXX_PATH was not specified and couldn't be infered.")
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set(LIBCXXABI_LIBCXX_PATH "")
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endif()
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set(LIBCXXABI_LIBCXX_PATH "${LIBCXXABI_LIBCXX_PATH}" CACHE PATH
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"Specify path to libc++ source." FORCE)
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option(LIBCXXABI_HERMETIC_STATIC_LIBRARY
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"Do not export any symbols from the static library." OFF)
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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 ${CMAKE_CURRENT_BINARY_DIR})
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string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION
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${PACKAGE_VERSION})
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if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
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set(LIBCXXABI_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/${LLVM_DEFAULT_TARGET_TRIPLE}/c++)
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set(LIBCXXABI_INSTALL_LIBRARY_DIR lib${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE}/c++)
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if(LIBCXX_LIBDIR_SUBDIR)
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string(APPEND LIBCXXABI_LIBRARY_DIR /${LIBCXXABI_LIBDIR_SUBDIR})
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string(APPEND LIBCXXABI_INSTALL_LIBRARY_DIR /${LIBCXXABI_LIBDIR_SUBDIR})
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endif()
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elseif(LLVM_LIBRARY_OUTPUT_INTDIR)
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set(LIBCXXABI_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
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set(LIBCXXABI_INSTALL_LIBRARY_DIR lib${LIBCXXABI_LIBDIR_SUFFIX})
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else()
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set(LIBCXXABI_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBCXXABI_LIBDIR_SUFFIX})
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set(LIBCXXABI_INSTALL_LIBRARY_DIR lib${LIBCXXABI_LIBDIR_SUFFIX})
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endif()
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set(LIBCXXABI_INSTALL_PREFIX "" CACHE STRING "Define libc++abi destination prefix.")
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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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set(CMAKE_RUNTIME_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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# Declare libc++abi configuration variables.
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# They are intended for use as follows:
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# LIBCXXABI_C_FLAGS: General flags for both the c++ compiler and linker.
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# LIBCXXABI_CXX_FLAGS: General flags for both the c++ compiler and linker.
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# LIBCXXABI_COMPILE_FLAGS: Compile only flags.
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# LIBCXXABI_LINK_FLAGS: Linker only flags.
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# LIBCXXABI_LIBRARIES: libraries libc++abi is linked to.
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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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set(LIBCXXABI_LIBRARIES "")
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# Include macros for adding and removing libc++abi flags.
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include(HandleLibcxxabiFlags)
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#===============================================================================
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# Setup Compiler Flags
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#===============================================================================
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# Configure target flags
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add_target_flags_if(LIBCXXABI_BUILD_32_BITS "-m32")
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if(LIBCXXABI_TARGET_TRIPLE)
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add_target_flags("--target=${LIBCXXABI_TARGET_TRIPLE}")
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elseif(CMAKE_CXX_COMPILER_TARGET)
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set(LIBCXXABI_TARGET_TRIPLE "${CMAKE_CXX_COMPILER_TARGET}")
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endif()
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if(LIBCXX_GCC_TOOLCHAIN)
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add_target_flags("--gcc-toolchain=${LIBCXXABI_GCC_TOOLCHAIN}")
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elseif(CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN)
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set(LIBCXXABI_GCC_TOOLCHAIN "${CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN}")
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endif()
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if(LIBCXXABI_SYSROOT)
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add_target_flags("--sysroot=${LIBCXXABI_SYSROOT}")
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elseif(CMAKE_SYSROOT)
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set(LIBCXXABI_SYSROOT "${CMAKE_SYSROOT}")
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endif()
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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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# 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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add_compile_flags_if_supported(-Werror=return-type)
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# Get warning flags
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add_compile_flags_if_supported(-W)
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add_compile_flags_if_supported(-Wall)
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add_compile_flags_if_supported(-Wchar-subscripts)
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add_compile_flags_if_supported(-Wconversion)
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add_compile_flags_if_supported(-Wmismatched-tags)
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add_compile_flags_if_supported(-Wmissing-braces)
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add_compile_flags_if_supported(-Wnewline-eof)
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add_compile_flags_if_supported(-Wunused-function)
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add_compile_flags_if_supported(-Wshadow)
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add_compile_flags_if_supported(-Wshorten-64-to-32)
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add_compile_flags_if_supported(-Wsign-compare)
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add_compile_flags_if_supported(-Wsign-conversion)
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add_compile_flags_if_supported(-Wstrict-aliasing=2)
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add_compile_flags_if_supported(-Wstrict-overflow=4)
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add_compile_flags_if_supported(-Wunused-parameter)
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add_compile_flags_if_supported(-Wunused-variable)
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add_compile_flags_if_supported(-Wwrite-strings)
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add_compile_flags_if_supported(-Wundef)
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if (LIBCXXABI_ENABLE_WERROR)
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add_compile_flags_if_supported(-Werror)
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add_compile_flags_if_supported(-WX)
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else()
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add_compile_flags_if_supported(-Wno-error)
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add_compile_flags_if_supported(-WX-)
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endif()
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if (LIBCXXABI_ENABLE_PEDANTIC)
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add_compile_flags_if_supported(-pedantic)
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endif()
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# Get feature flags.
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add_compile_flags_if_supported(-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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add_compile_flags_if_supported(-EHsc)
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# Do we really need to be run through the C compiler ?
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add_c_compile_flags_if_supported(-funwind-tables)
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else()
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add_definitions(-D_LIBCXXABI_NO_EXCEPTIONS)
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add_compile_flags_if_supported(-fno-exceptions)
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add_compile_flags_if_supported(-EHs-)
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add_compile_flags_if_supported(-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)
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endif()
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# On Release builds cmake automatically defines NDEBUG, so we
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# explicitly undefine it:
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if (uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE")
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list(APPEND LIBCXXABI_COMPILE_FLAGS -UNDEBUG)
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endif()
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else()
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if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE")
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list(APPEND LIBCXXABI_COMPILE_FLAGS -DNDEBUG)
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endif()
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endif()
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# Static library
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if (NOT LIBCXXABI_ENABLE_SHARED)
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list(APPEND LIBCXXABI_COMPILE_FLAGS -D_LIBCPP_BUILD_STATIC)
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endif()
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# Threading
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if (NOT LIBCXXABI_ENABLE_THREADS)
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if (LIBCXXABI_HAS_PTHREAD_API)
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message(FATAL_ERROR "LIBCXXABI_HAS_PTHREAD_API can only"
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" be set to ON when LIBCXXABI_ENABLE_THREADS"
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" is also set to ON.")
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endif()
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if (LIBCXXABI_HAS_EXTERNAL_THREAD_API)
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message(FATAL_ERROR "LIBCXXABI_HAS_EXTERNAL_THREAD_API can only"
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" be set to ON when LIBCXXABI_ENABLE_THREADS"
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" is also set to ON.")
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endif()
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if (LIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY)
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message(FATAL_ERROR "LIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY can only"
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" be set to ON when LIBCXXABI_ENABLE_THREADS"
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" is also set to ON.")
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endif()
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add_definitions(-D_LIBCXXABI_HAS_NO_THREADS)
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endif()
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if (LIBCXXABI_HAS_EXTERNAL_THREAD_API)
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if (LIBCXXABI_HAS_PTHREAD_API)
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message(FATAL_ERROR "The options LIBCXXABI_HAS_EXTERNAL_THREAD_API"
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" and LIBCXXABI_HAS_PTHREAD_API cannot be both"
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" set to ON at the same time.")
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endif()
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if (LIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY)
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message(FATAL_ERROR "The options LIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY"
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" and LIBCXXABI_HAS_EXTERNAL_THREAD_API cannot be both"
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" set to ON at the same time.")
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endif()
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endif()
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if (LLVM_ENABLE_MODULES)
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# Ignore that the rest of the modules flags are now unused.
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add_compile_flags_if_supported(-Wno-unused-command-line-argument)
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add_compile_flags(-fno-modules)
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endif()
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set(LIBCXXABI_HAS_UNDEFINED_SYMBOLS OFF)
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if ((NOT LIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS)
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OR (LIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY AND LIBCXXABI_ENABLE_SHARED)
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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 "${CMAKE_SHARED_LINKER_FLAGS}")
|
|
endif()
|
|
endif()
|
|
|
|
if (LIBCXXABI_HAS_PTHREAD_API)
|
|
add_definitions(-D_LIBCPP_HAS_THREAD_API_PTHREAD)
|
|
endif()
|
|
|
|
if (LIBCXXABI_HAS_EXTERNAL_THREAD_API)
|
|
add_definitions(-D_LIBCPP_HAS_THREAD_API_EXTERNAL)
|
|
endif()
|
|
|
|
if (LIBCXXABI_BUILD_EXTERNAL_THREAD_LIBRARY)
|
|
add_definitions(-D_LIBCPP_HAS_THREAD_LIBRARY_EXTERNAL)
|
|
endif()
|
|
|
|
# Prevent libc++abi from having library dependencies on libc++
|
|
add_definitions(-D_LIBCPP_DISABLE_EXTERN_TEMPLATE)
|
|
|
|
# Bring back `std::unexpected`, which is removed in C++17, to support
|
|
# pre-C++17.
|
|
add_definitions(-D_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS)
|
|
|
|
if (MSVC)
|
|
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
|
|
endif()
|
|
|
|
# Define LIBCXXABI_USE_LLVM_UNWINDER for conditional compilation.
|
|
if (LIBCXXABI_USE_LLVM_UNWINDER)
|
|
add_definitions(-DLIBCXXABI_USE_LLVM_UNWINDER)
|
|
endif()
|
|
|
|
if (LIBCXXABI_SILENT_TERMINATE)
|
|
add_definitions(-DLIBCXXABI_SILENT_TERMINATE)
|
|
endif()
|
|
|
|
if (LIBCXXABI_BAREMETAL)
|
|
add_definitions(-DLIBCXXABI_BAREMETAL)
|
|
endif()
|
|
|
|
if (LIBCXXABI_HAS_COMMENT_LIB_PRAGMA)
|
|
add_definitions(-D_LIBCXXABI_HAS_COMMENT_LIB_PRAGMA)
|
|
endif()
|
|
|
|
string(REPLACE ";" " " LIBCXXABI_CXX_FLAGS "${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
|
|
${LLVM_MAIN_SRC_DIR}/../libunwind/include
|
|
NO_DEFAULT_PATH
|
|
NO_CMAKE_FIND_ROOT_PATH
|
|
)
|
|
|
|
if (LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL STREQUAL "LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL-NOTFOUND")
|
|
set(LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL "")
|
|
endif()
|
|
|
|
if (NOT LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL STREQUAL "")
|
|
include_directories("${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 (LIBCXXABI_INCLUDE_TESTS)
|
|
if (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()
|
|
endif()
|