Index: CMakeLists.txt =================================================================== --- /dev/null +++ CMakeLists.txt @@ -0,0 +1,209 @@ +#=============================================================================== +# Setup Project +#=============================================================================== + +cmake_minimum_required(VERSION 2.8.8) + +if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) + project(libcxxabi) + + # Rely on llvm-config. + set(CONFIG_OUTPUT) + find_program(LLVM_CONFIG "llvm-config") + if(LLVM_CONFIG) + message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}") + set(CONFIG_COMMAND ${LLVM_CONFIG} + "--bindir" + "--libdir" + "--prefix" + "--src-root") + execute_process( + COMMAND ${CONFIG_COMMAND} + RESULT_VARIABLE HAD_ERROR + OUTPUT_VARIABLE CONFIG_OUTPUT + ) + if(NOT HAD_ERROR) + string(REGEX REPLACE + "[ \t]*[\r\n]+[ \t]*" ";" + CONFIG_OUTPUT ${CONFIG_OUTPUT}) + else() + string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}") + message(STATUS "${CONFIG_COMMAND_STR}") + message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}") + endif() + else() + message(FATAL_ERROR "llvm-config not found -- ${LLVM_CONFIG}") + endif() + + list(GET CONFIG_OUTPUT 0 TOOLS_BINARY_DIR) + list(GET CONFIG_OUTPUT 1 LIBRARY_DIR) + list(GET CONFIG_OUTPUT 2 LLVM_OBJ_ROOT) + list(GET CONFIG_OUTPUT 3 MAIN_SRC_DIR) + + set(LLVM_TOOLS_BINARY_DIR ${TOOLS_BINARY_DIR} CACHE PATH "Path to llvm/bin") + set(LLVM_LIBRARY_DIR ${LIBRARY_DIR} CACHE PATH "Path to llvm/lib") + set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree") + set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree") + + set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/share/llvm/cmake") + set(LLVMCONFIG_FILE "${LLVM_CMAKE_PATH}/LLVMConfig.cmake") + if(EXISTS ${LLVMCONFIG_FILE}) + list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}") + include(${LLVMCONFIG_FILE}) + else() + message(FATAL_ERROR "Not found: ${LLVMCONFIG_FILE}") + endif() + + set(PACKAGE_NAME libcxxabi) + set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}") + set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") + set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu") + + if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) + set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) + else() + # Seek installed Lit. + find_program(LLVM_LIT "lit.py" ${LLVM_MAIN_SRC_DIR}/utils/lit + DOC "Path to lit.py") + endif() + + if(LLVM_LIT) + # Define the default arguments to use with 'lit', and an option for the user + # to override. + set(LIT_ARGS_DEFAULT "-sv") + if (MSVC OR XCODE) + set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar") + endif() + set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit") + + # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools. + if( WIN32 AND NOT CYGWIN ) + set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools") + endif() + else() + set(LLVM_INCLUDE_TESTS OFF) + endif() + + set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib) + set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib) + + set(LIBCXXABI_BUILT_STANDALONE 1) +endif() + +#=============================================================================== +# Setup CMake Options +#=============================================================================== + +# Define options. +option(LIBCXXABI_ENABLE_ASSERTIONS "Enable assertions independent of build mode." ON) +option(LIBCXXABI_ENABLE_PEDANTIC "Compile with pedantic enabled." ON) +option(LIBCXXABI_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF) +option(LIBCXXABI_ENABLE_SHARED "Build libc++abi as a shared library." OFF) + +#=============================================================================== +# Configure System +#=============================================================================== + +# Add path for custom modules +set(CMAKE_MODULE_PATH + "${CMAKE_CURRENT_SOURCE_DIR}/cmake" + "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules" + ${CMAKE_MODULE_PATH} + ) + +# Configure compiler. +include(config-ix) + +#=============================================================================== +# Setup Compiler Flags +#=============================================================================== + +# Get required flags. +macro(append_if list condition var) + if (${condition}) + list(APPEND ${list} ${var}) + endif() +endmacro() + +if (LIBCXXABI_HAS_NOSTDINCXX_FLAG) + list(APPEND LIBCXXABI_CXX_REQUIRED_FLAGS -nostdinc++) +endif() +if (NOT LIBCXXABI_HAS_STDCXX11_FLAG) + message(FATAL_ERROR "Building libcxxabi requires a C++11 capable compiler.") +endif() + +list(APPEND LIBCXXABI_CXX_REQUIRED_FLAGS -std=c++11) + +# Get warning flags +if (NOT MSVC) + append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WALL_FLAG -Wall) + append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WNO_UNUSED_FUNCTION_FLAG -Wno-unused-function) + list(APPEND LIBCXXABI_CXX_REQUIRED_FLAGS -Werror=return-type) +endif() + +append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_W_FLAG -W) +append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WNO_UNUSED_PARAMETER_FLAG -Wno-unused-parameter) +append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WWRITE_STRINGS_FLAG -Wwrite-strings) +append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WNO_LONG_LONG_FLAG -Wno-long-long) +if (LIBCXXABI_ENABLE_WERROR) + append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WERROR_FLAG -Werror) + append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WX_FLAG -WX) +else() + append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WNO_ERROR_FLAG -Wno-error) + append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_NO_WX_FLAG -WX-) +endif() +if (LIBCXXABI_ENABLE_PEDANTIC) + append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_PEDANTIC_FLAG -pedantic) +endif() + +# Get feature flags. +# Exceptions +# Catches C++ exceptions only and tells the compiler to assume that extern C +# functions never throw a C++ exception. +append_if(LIBCXXABI_CXX_FEATURE_FLAGS LIBCXXABI_HAS_EHSC_FLAG -EHsc) + +# Assert +string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE) +if (LIBCXXABI_ENABLE_ASSERTIONS) + # MSVC doesn't like _DEBUG on release builds. See PR 4379. + if (NOT MSVC) + list(APPEND LIBCXXABI_CXX_FEATURE_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_CXX_FEATURE_FLAGS -UNDEBUG) + endif() +else() + if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE") + list(APPEND LIBCXXABI_CXX_FEATURE_FLAGS -DNDEBUG) + endif() +endif() +# Static library +if (NOT LIBCXXABI_ENABLE_SHARED) + list(APPEND LIBCXXABI_CXX_FEATURE_FLAGS -D_LIBCPP_BUILD_STATIC) +endif() + +# This is the _ONLY_ place where add_definitions is called. +if (MSVC) + add_definitions(-D_CRT_SECURE_NO_WARNINGS) +endif() + +string(REPLACE ";" " " LIBCXXABI_CXX_REQUIRED_FLAGS "${LIBCXXABI_CXX_REQUIRED_FLAGS}") +set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBCXXABI_CXX_REQUIRED_FLAGS}") + +string(REPLACE ";" " " LIBCXXABI_CXX_WARNING_FLAGS "${LIBCXXABI_CXX_WARNING_FLAGS}") +set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBCXXABI_CXX_WARNING_FLAGS}") + +string(REPLACE ";" " " LIBCXXABI_CXX_FEATURE_FLAGS "${LIBCXXABI_CXX_FEATURE_FLAGS}") +set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBCXXABI_CXX_FEATURE_FLAGS}") + +#=============================================================================== +# Setup Source Code +#=============================================================================== + +include_directories(include) + +# Add source code. This also contains all of the logic for deciding linker flags +# soname, etc... +add_subdirectory(src) Index: cmake/config-ix.cmake =================================================================== --- /dev/null +++ cmake/config-ix.cmake @@ -0,0 +1,27 @@ +include(CheckLibraryExists) +include(CheckCXXCompilerFlag) + +# Check compiler flags +check_cxx_compiler_flag(-std=c++11 LIBCXXABI_HAS_STDCXX11_FLAG) +check_cxx_compiler_flag(-fPIC LIBCXXABI_HAS_FPIC_FLAG) +check_cxx_compiler_flag(-nodefaultlibs LIBCXXABI_HAS_NODEFAULTLIBS_FLAG) +check_cxx_compiler_flag(-nostdinc++ LIBCXXABI_HAS_NOSTDINCXX_FLAG) +check_cxx_compiler_flag(-Wall LIBCXXABI_HAS_WALL_FLAG) +check_cxx_compiler_flag(-W LIBCXXABI_HAS_W_FLAG) +check_cxx_compiler_flag(-Wno-unused-function LIBCXXABI_HAS_WNO_UNUSED_FUNCTION_FLAG) +check_cxx_compiler_flag(-Wno-unused-parameter LIBCXXABI_HAS_WNO_UNUSED_PARAMETER_FLAG) +check_cxx_compiler_flag(-Wwrite-strings LIBCXXABI_HAS_WWRITE_STRINGS_FLAG) +check_cxx_compiler_flag(-Wno-long-long LIBCXXABI_HAS_WNO_LONG_LONG_FLAG) +check_cxx_compiler_flag(-pedantic LIBCXXABI_HAS_PEDANTIC_FLAG) +check_cxx_compiler_flag(-Werror LIBCXXABI_HAS_WERROR_FLAG) +check_cxx_compiler_flag(-Wno-error LIBCXXABI_HAS_WNO_ERROR_FLAG) +check_cxx_compiler_flag(-fno-rtti LIBCXXABI_HAS_FNO_RTTI_FLAG) +check_cxx_compiler_flag(/WX LIBCXXABI_HAS_WX_FLAG) +check_cxx_compiler_flag(/WX- LIBCXXABI_HAS_NO_WX_FLAG) +check_cxx_compiler_flag(/EHsc LIBCXXABI_HAS_EHSC_FLAG) +check_cxx_compiler_flag(/EHs- LIBCXXABI_HAS_NO_EHS_FLAG) +check_cxx_compiler_flag(/EHa- LIBCXXABI_HAS_NO_EHA_FLAG) +check_cxx_compiler_flag(/GR- LIBCXXABI_HAS_NO_GR_FLAG) + +# Check libraries +check_library_exists(c printf "" LIBCXXABI_HAS_C_LIB) Index: src/CMakeLists.txt =================================================================== --- /dev/null +++ src/CMakeLists.txt @@ -0,0 +1,71 @@ +# Get sources +file(GLOB LIBCXXABI_SOURCES *.cpp) + +# Add all the headers to the project for IDEs. +if (MSVC_IDE OR XCODE) + file(GLOB_RECURSE LIBCXXABI_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/../include/*) + # Force them all into the headers dir on MSVC, otherwise they end up at + # project scope because they don't have extensions. + if (MSVC_IDE) + source_group("Header Files" FILES ${LIBCXXABI_HEADERS}) + endif() +endif() + +if (LIBCXXABI_ENABLE_SHARED) + add_library(cxxabi SHARED + ${LIBCXXABI_SOURCES} + ${LIBCXXABI_HEADERS} + ) +else() + add_library(cxxabi STATIC + ${LIBCXXABI_SOURCES} + ${LIBCXXABI_HEADERS} + ) +endif() + +if (LIBCXXABI_LIBCXX_PATH) + include_directories("${LIBCXXABI_LIBCXX_PATH}/include") +elseif (NOT LIBCXXABI_BUILT_STANDALONE) + include_directories("${LLVM_MAIN_SRC_DIR}/projects/libcxx/include") +endif() + +# Generate library list. +set(libraries ${LIBCXXABI_CXX_ABI_LIBRARIES}) +append_if(libraries LIBCXXABI_HAS_C_LIB c) + +target_link_libraries(cxxabi ${libraries}) + +# Setup flags. +append_if(compile_flags LIBCXXABI_HAS_FPIC_FLAG -fPIC) +append_if(link_flags LIBCXXABI_HAS_NODEFAULTLIBS_FLAG -nodefaultlibs) + +if ( APPLE ) + if ( CMAKE_OSX_DEPLOYMENT_TARGET STREQUAL "10.6" ) + list(APPEND compile_flags "-U__STRICT_ANSI__") + list(APPEND link_flags + "-compatibility_version 1" + "-current_version ${LIBCXXABI_VERSION}" + "-install_name /usr/lib/libc++abi.1.dylib" + "/usr/lib/libSystem.B.dylib") + else() + list(APPEND link_flags + "-compatibility_version 1" + "-install_name /usr/lib/libc++abi.1.dylib") + endif() +endif() + +string(REPLACE ";" " " link_flags "${link_flags}") + +set_target_properties(cxxabi + PROPERTIES + COMPILE_FLAGS "${compile_flags}" + LINK_FLAGS "${link_flags}" + OUTPUT_NAME "c++abi" + VERSION "1.0" + SOVERSION "1" + ) + +install(TARGETS cxxabi + LIBRARY DESTINATION lib + ARCHIVE DESTINATION lib + ) Index: www/index.html =================================================================== --- www/index.html +++ www/index.html @@ -79,6 +79,23 @@
  • svn co http://llvm.org/svn/llvm-project/libcxxabi/trunk libcxxabi
    • +

    To build:

    + + +

    To do a standalone build:

    + +

    Send discussions to the (clang mailing list).