[PATCH] Add a cmake build system.
Eric Fiselier
eric at efcs.ca
Mon Jun 30 18:06:15 PDT 2014
Hi Daniel,
I applied the patch and build libcxxabi with it on linux64 Ubuntu.
A couple of notes and questions:
- It seems gmail bungled the patch for me. I had to manually fix it (just
an FYI)
- The cmake invocation in the documentation should have -D in front of
LIBCXXABI_LIBCXX_PATH.
- How does LIBCXXABI_LIBCXX_PATH work when you want to include an
installed version of the libc++ headers? (/include/<headers> vs
/include/c++/v1/<headers>)
Eric
On Sun, Jun 29, 2014 at 1:27 PM, Nico Weber <thakis at chromium.org> wrote:
> +Nick and Logan
>
> I think this is a good start, and it'd be great if libcxxabi could be
> built like the rest of llvm :-)
>
> A few notes (note that I'm not terribly familiar with cmake); I don't
> think they all need to be addressed before landing this:
> * It'd be nice if LIBCXXABI_LIBCXX_PATH was set automatically when
> libcxxabi is in llvm/projects/libcxxabi and libcxx is in
> llvm/projects/libcxx
> * This doesn't include libUnwind yet
> * llvm's toplevel cmake only asks for cmake 2.8.8, this needs 2.8.11 (I
> guess this is for target_include_directories – I don't know if not using
> target_include_directories would make things much more complicated, and
> requiring a more recent cmake doesn't seem like a big deal but it'd be nice
> if all the llvm projects had similar requirements.)
> * It'd probably be good if this had the target_ mechanisms that
> compiler-rt's cmakefiles have, so that libcxxabi can be built for various
> targets
> * Eventually, some check- target for running tests too would be awesome
> * I'd have the docs recommend doing in-llvm-tree builds if that means that
> things Just Work with llvm's regular cmake build
>
>
> On Thu, Jun 26, 2014 at 11:45 PM, Dan Albert <danalbert at google.com> wrote:
>
>> I've tested that this builds both in the tree and standalone on Linux and
>> OS X.
>>
>>
>> On Thu Jun 26 2014 at 11:43:25 PM, Dan Albert <danalbert at google.com>
>> wrote:
>>
>>> No longer have to perform a full rebuild every time. This also makes
>>> building on Linux simpler, and allows building libcxxabi to be built
>>> from within the llvm tree (under projects/).
>>>
>>> This does not yet support building the unwinder in src/Unwind. That will
>>> be added in a later patch. Will also add support for tests with lit in a
>>> later patch.
>>> ---
>>> CMakeLists.txt | 214 ++++++++++++++++++++++++++++++
>>> ++++++++++++++++++++
>>> cmake/config-ix.cmake | 27 +++++++
>>> src/CMakeLists.txt | 74 +++++++++++++++++
>>> www/index.html | 10 +++
>>> 4 files changed, 325 insertions(+)
>>> create mode 100644 CMakeLists.txt
>>> create mode 100644 cmake/config-ix.cmake
>>> create mode 100644 src/CMakeLists.txt
>>>
>>> diff --git a/CMakeLists.txt b/CMakeLists.txt
>>> new file mode 100644
>>> index 0000000..26c4d91
>>> --- /dev/null
>>> +++ b/CMakeLists.txt
>>> @@ -0,0 +1,214 @@
>>> +#==========================================================
>>> =====================
>>> +# Setup Project
>>> +#==========================================================
>>> =====================
>>> +
>>> +cmake_minimum_required(VERSION 2.8.11)
>>> +
>>> +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 at 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 ${CMAKE_BINARY_DIR}/lib)
>>> +
>>> + set(LIBCXXABI_BUILT_STANDALONE 1)
>>> +endif()
>>> +
>>> +#==========================================================
>>> =====================
>>> +# Setup CMake Options
>>> +#==========================================================
>>> =====================
>>> +
>>> +# Define options.
>>> +option(LIBCXXABI_ENABLE_RTTI "Use run time type information." ON)
>>> +option(LIBCXXABI_ENABLE_ASSERTIONS "Enable assertions independent of
>>> build mode." ON)
>>> +option(LIBCXXABI_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
>>> +option(LIBCXXABI_ENABLE_WERROR "Fail and stop if a warning is
>>> triggered." OFF)
>>> +option(LIBCXXABI_ENABLE_CXX11 "Enable -std=c++11 and use of c++11
>>> language features if the compiler supports it." ON)
>>> +option(LIBCXXABI_ENABLE_SHARED "Build libc++abi as a shared library."
>>> ON)
>>> +
>>> +#==========================================================
>>> =====================
>>> +# Configure System
>>> +#==========================================================
>>> =====================
>>> +
>>> +# Add path for custom modules
>>> +set(CMAKE_MODULE_PATH
>>> + "${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 (LIBCXXABI_ENABLE_CXX11 AND LIBCXXABI_HAS_STDCXX11_FLAG)
>>> + list(APPEND LIBCXXABI_CXX_REQUIRED_FLAGS -std=c++11)
>>> +endif()
>>> +
>>> +# 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)
>>> +# RTTI
>>> +if (NOT LIBCXXABI_ENABLE_RTTI)
>>> + list(APPEND LIBCXXABI_CXX_FEATURE_FLAGS -D_LIBCPP_NO_RTTI)
>>> + append_if(LIBCXXABI_CXX_FEATURE_FLAGS LIBCXXABI_HAS_NO_GR_FLAG -GR-)
>>> + append_if(LIBCXXABI_CXX_FEATURE_FLAGS LIBCXXABI_HAS_FNO_RTTI_FLAG
>>> -fno-rtti)
>>> +endif()
>>> +# 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)
>>> diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
>>> new file mode 100644
>>> index 0000000..96da3f5
>>> --- /dev/null
>>> +++ b/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)
>>> diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
>>> new file mode 100644
>>> index 0000000..416f433
>>> --- /dev/null
>>> +++ b/src/CMakeLists.txt
>>> @@ -0,0 +1,74 @@
>>> +# 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}
>>> + ${LIBCXXABI_HEADERS}
>>> + )
>>> +endif()
>>> +
>>> +if (LIBCXXABI_LIBCXX_PATH)
>>> + target_include_directories(cxxabi PRIVATE "${LIBCXXABI_LIBCXX_PATH}/
>>> include")
>>> +elseif (NOT LIBCXXABI_BUILT_STANDALONE)
>>> + target_include_directories(cxxabi PRIVATE
>>> + "${LLVM_MAIN_SRC_DIR}/
>>> projects/libcxx/include")
>>> +elseif (NOT APPLE)
>>> + message(FATAL_ERROR "LIBCXXABI_LIBCXX_PATH is not set.")
>>> +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
>>> + )
>>> diff --git a/www/index.html b/www/index.html
>>> index a174afd..4960b95 100644
>>> --- a/www/index.html
>>> +++ b/www/index.html
>>> @@ -79,6 +79,16 @@
>>> <li><code>svn co http://llvm.org/svn/llvm-project/libcxxabi/trunk
>>> libcxxabi</code></li>
>>> </ul>
>>>
>>> + <p>To build on Linux:</p>
>>> + <ul>
>>> + <li><code>cd libcxxabi</code></li>
>>> + <li><code>mkdir build && cd build</code></li>
>>> + <li><code>CC=clang CXX=clang++ cmake LIBCXXABI_LIBCXX_PATH=path/to/libcxx
>>> ..</code></li>
>>> + <li><code>make</code></li>
>>> + </ul>
>>> +
>>> + <p>You can also checkout libcxxabi to llvm/projects to build in
>>> tree.<p>
>>> +
>>> <p>Send discussions to the
>>> (<a href="http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev">clang
>>> mailing list</a>).</p>
>>>
>>> --
>>> 2.0.0.526.g5318336
>>>
>>>
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>>
>>
>
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