[libcxx] r243574 - Recommit r243503 "[libcxx] Cleanup CMake configuration and integrate with LLVM"

Eric Fiselier eric at efcs.ca
Wed Jul 29 16:24:34 PDT 2015


I just pushed a possible fix to libc++. Let me know ASAP if that
doesn't fix the issue. I'll revert if r243591 doesn't work.

/Eric

On Wed, Jul 29, 2015 at 6:44 PM, Alexey Samsonov <vonosmas at gmail.com> wrote:
> Eric,
>
> Looks like it breaks the build of compiler-rt on Linux, and we can't fix it
> instantly, sorry =/
> Could you please revert it again?
>
> The problem is that when I pass correct -DLLVM_CONFIG= value when
> configuring standalone libcxx with
> just-built Clang, libcxx invokes llvm/cmake/modules/HandleLLVMOptions.cmake,
> and it fails with an error
> "Host Clang version must be at least 3.1!",
> because CMake is unable to properly determine the compiler version of
> just-built Clang as 3.8.0 for
> some reason(?!) I'm now looking into this issue, and will provide a patch to
> compiler-rt that should accompany
> re-land of libcxx CMake changes.
>
> On Wed, Jul 29, 2015 at 3:05 PM, Eric Fiselier <eric at efcs.ca> wrote:
>>
>> Libc++ standalone builds now require that libc++ can find the LLVM source
>> directory. If you specify the LLVM source root using
>> "-DLLVM_PATH=path/to/llvm" then the command should work?
>>
>> Does this new requirement work for you?
>>
>> On Jul 29, 2015 6:03 PM, "Alexey Samsonov" <samsonov at google.com> wrote:
>>>
>>> I'm looking into the fix now, it probably should go to compiler-rt
>>> anyway, so I don't think we should revert libcxx part now.
>>>
>>> On Wed, Jul 29, 2015 at 2:59 PM, Kostya Serebryany <kcc at google.com>
>>> wrote:
>>>>
>>>> Eric,
>>>> If there is no quick fix, will you be able to revert this, please?
>>>>
>>>> On Wed, Jul 29, 2015 at 2:56 PM, Evgenii Stepanov
>>>> <eugeni.stepanov at gmail.com> wrote:
>>>>>
>>>>> And the log says:
>>>>>
>>>>> CMake Error at cmake/Modules/FindLLVM.cmake:41 (message):
>>>>>   llvm-config not found and LLVM_MAIN_SRC_DIR not defined.  Reconfigure
>>>>> with
>>>>>   -DLLVM_CONFIG=path/to/llvm-config or
>>>>> -DLLVM_PATH=path/to/llvm-source-root.
>>>>> Call Stack (most recent call first):
>>>>>   CMakeLists.txt:37 (include)
>>>>>
>>>>> On Wed, Jul 29, 2015 at 2:49 PM, Kostya Serebryany <kcc at google.com>
>>>>> wrote:
>>>>> > I am seeing build failure when trying to run "ninja check-msan":
>>>>> >
>>>>> > [39/58] Performing configure step for 'libcxx_msan-with-call'
>>>>> > FAILED: cd
>>>>> >
>>>>> > /usr/local/google/home/kcc/llvm-gcc-build/projects/compiler-rt/lib/msan/libcxx_msan-with-call/src/libcxx_msan-with-call-build
>>>>> > && /usr/bin/cmake -P
>>>>> >
>>>>> > /usr/local/google/home/kcc/llvm-gcc-build/projects/compiler-rt/lib/msan/tests/../libcxx_msan-with-call/src/libcxx_msan-with-call-stamp/libcxx_msan-with-call-configure.cmake
>>>>> > && /usr/bin/cmake -E touch
>>>>> >
>>>>> > /usr/local/google/home/kcc/llvm-gcc-build/projects/compiler-rt/lib/msan/tests/../libcxx_msan-with-call/src/libcxx_msan-with-call-stamp/libcxx_msan-with-call-configure
>>>>> > CMake Error at
>>>>> >
>>>>> > /usr/local/google/home/kcc/llvm-gcc-build/projects/compiler-rt/lib/msan/libcxx_msan-with-call/src/libcxx_msan-with-call-stamp/libcxx_msan-with-call-configure.cmake:16
>>>>> > (message):
>>>>> >   Command failed: 1
>>>>> >
>>>>> >    '/usr/bin/cmake'
>>>>> >
>>>>> > '-DCMAKE_C_COMPILER=/usr/local/google/home/kcc/llvm-gcc-build/./bin/clang'
>>>>> >
>>>>> > '-DCMAKE_CXX_COMPILER=/usr/local/google/home/kcc/llvm-gcc-build/./bin/clang'
>>>>> > '-DCMAKE_C_FLAGS= -fsanitize=memory -fsanitize-memory-track-origins
>>>>> > -Wno-pedantic -fsanitize=memory -fsanitize-memory-track-origins
>>>>> > -Wno-pedantic -mllvm -msan-instrumentation-with-call-threshold=0'
>>>>> > '-DCMAKE_CXX_FLAGS= -fsanitize=memory -fsanitize-memory-track-origins
>>>>> > -Wno-pedantic -fsanitize=memory -fsanitize-memory-track-origins
>>>>> > -Wno-pedantic -mllvm -msan-instrumentation-with-call-threshold=0'
>>>>> > '-DCMAKE_BUILD_TYPE=Release'
>>>>> >
>>>>> > '-DCMAKE_INSTALL_PREFIX:PATH=/usr/local/google/home/kcc/llvm-gcc-build/projects/compiler-rt/lib/msan/tests/../libcxx_msan-with-call'
>>>>> > '-GNinja' '/usr/local/google/home/kcc/llvm/projects/libcxx'
>>>>> >
>>>>> >   See also
>>>>> >
>>>>> >
>>>>> >
>>>>> > /usr/local/google/home/kcc/llvm-gcc-build/projects/compiler-rt/lib/msan/tests/../libcxx_msan-with-call/src/libcxx_msan-with-call-stamp/libcxx_msan-with-call-configure-*.log
>>>>> >
>>>>> >
>>>>> > Looks like this is the only change that might have caused this.
>>>>> >
>>>>> > On Wed, Jul 29, 2015 at 2:07 PM, Eric Fiselier <eric at efcs.ca> wrote:
>>>>> >>
>>>>> >> Author: ericwf
>>>>> >> Date: Wed Jul 29 16:07:28 2015
>>>>> >> New Revision: 243574
>>>>> >>
>>>>> >> URL: http://llvm.org/viewvc/llvm-project?rev=243574&view=rev
>>>>> >> Log:
>>>>> >> Recommit r243503 "[libcxx] Cleanup CMake configuration and integrate
>>>>> >> with
>>>>> >> LLVM"
>>>>> >>
>>>>> >> This change was reverted in r243550 because it broke clang-format
>>>>> >> builds
>>>>> >> (see PR24306).
>>>>> >>
>>>>> >> This patch recommits a fixed version of the original.
>>>>> >>
>>>>> >> Added:
>>>>> >>     libcxx/trunk/cmake/Modules/FindLLVM.cmake
>>>>> >>     libcxx/trunk/cmake/Modules/HandleLibcxxFlags.cmake
>>>>> >> Modified:
>>>>> >>     libcxx/trunk/CMakeLists.txt
>>>>> >>     libcxx/trunk/cmake/Modules/HandleLibCXXABI.cmake
>>>>> >>     libcxx/trunk/cmake/config-ix.cmake
>>>>> >>     libcxx/trunk/lib/CMakeLists.txt
>>>>> >>     libcxx/trunk/test/CMakeLists.txt
>>>>> >>     libcxx/trunk/test/lit.site.cfg.in
>>>>> >>     libcxx/trunk/www/index.html
>>>>> >>
>>>>> >> Modified: libcxx/trunk/CMakeLists.txt
>>>>> >> URL:
>>>>> >>
>>>>> >> http://llvm.org/viewvc/llvm-project/libcxx/trunk/CMakeLists.txt?rev=243574&r1=243573&r2=243574&view=diff
>>>>> >>
>>>>> >>
>>>>> >>
>>>>> >> ==============================================================================
>>>>> >> --- libcxx/trunk/CMakeLists.txt (original)
>>>>> >> +++ libcxx/trunk/CMakeLists.txt Wed Jul 29 16:07:28 2015
>>>>> >> @@ -3,13 +3,16 @@
>>>>> >>
>>>>> >>
>>>>> >> #===============================================================================
>>>>> >>  # Setup Project
>>>>> >>
>>>>> >>
>>>>> >> #===============================================================================
>>>>> >> -
>>>>> >> -project(libcxx CXX C)
>>>>> >>  cmake_minimum_required(VERSION 2.8)
>>>>> >>
>>>>> >>  if(POLICY CMP0042)
>>>>> >>    cmake_policy(SET CMP0042 NEW) # Set MACOSX_RPATH=YES by default
>>>>> >>  endif()
>>>>> >> +if(POLICY CMP0022)
>>>>> >> +  cmake_policy(SET CMP0022 NEW) # Required when interacting with
>>>>> >> LLVM and
>>>>> >> Clang
>>>>> >> +endif()
>>>>> >> +
>>>>> >> +project(libcxx CXX C)
>>>>> >>
>>>>> >>  set(PACKAGE_NAME libcxx)
>>>>> >>  set(PACKAGE_VERSION trunk-svn)
>>>>> >> @@ -30,52 +33,90 @@ MACRO_ENSURE_OUT_OF_SOURCE_BUILD(
>>>>> >>   build directory and run 'cmake /path/to/${PROJECT_NAME} [options]'
>>>>> >> there."
>>>>> >>   )
>>>>> >>
>>>>> >> -if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
>>>>> >> -  set(LIBCXX_LIBDIR_SUFFIX "" CACHE STRING
>>>>> >> -      "Define suffix of library directory name (32/64)")
>>>>> >> -
>>>>> >> -  set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY
>>>>> >> ${CMAKE_BINARY_DIR}/lib${LIBCXX_LIBDIR_SUFFIX})
>>>>> >> -  set(CMAKE_LIBRARY_OUTPUT_DIRECTORY
>>>>> >> ${CMAKE_BINARY_DIR}/lib${LIBCXX_LIBDIR_SUFFIX})
>>>>> >> -
>>>>> >> -  set(LIBCXX_BUILT_STANDALONE 1)
>>>>> >> -else()
>>>>> >> -  set(LIBCXX_LIBDIR_SUFFIX ${LLVM_LIBDIR_SUFFIX})
>>>>> >> -endif()
>>>>> >> +# Find the required bits of LLVM
>>>>> >> +include(FindLLVM)
>>>>> >>
>>>>> >>
>>>>> >>
>>>>> >> #===============================================================================
>>>>> >>  # Setup CMake Options
>>>>> >>
>>>>> >>
>>>>> >> #===============================================================================
>>>>> >>
>>>>> >> -# Define options.
>>>>> >> -option(LIBCXX_ENABLE_EXCEPTIONS "Use exceptions." ON)
>>>>> >> -option(LIBCXX_ENABLE_RTTI "Use run time type information." ON)
>>>>> >> +# Basic options
>>>>> >> ---------------------------------------------------------------
>>>>> >>  option(LIBCXX_ENABLE_ASSERTIONS "Enable assertions independent of
>>>>> >> build
>>>>> >> mode." ON)
>>>>> >> -option(LIBCXX_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
>>>>> >> -option(LIBCXX_ENABLE_WERROR "Fail and stop if a warning is
>>>>> >> triggered."
>>>>> >> OFF)
>>>>> >> -option(LIBCXX_ENABLE_CXX1Y "Enable -std=c++1y and use of c++1y
>>>>> >> language
>>>>> >> features if the compiler supports it." OFF)
>>>>> >>  option(LIBCXX_ENABLE_SHARED "Build libc++ as a shared library." ON)
>>>>> >> +
>>>>> >> +set(LIBCXX_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}" CACHE STRING
>>>>> >> +    "Define suffix of library directory name (32/64)")
>>>>> >> +option(LIBCXX_INSTALL_HEADERS "Install the libc++ headers." ON)
>>>>> >> +option(LIBCXX_INSTALL_SUPPORT_HEADERS "Install libc++ support
>>>>> >> headers."
>>>>> >> ON)
>>>>> >> +
>>>>> >> +# ABI Library options
>>>>> >> ---------------------------------------------------------
>>>>> >> +set(LIBCXX_CXX_ABI "${LIBCXX_CXX_ABI}" CACHE STRING
>>>>> >> +    "Specify C++ ABI library to use." FORCE)
>>>>> >> +set(CXXABIS none libcxxabi libcxxrt libstdc++ libsupc++)
>>>>> >> +set_property(CACHE LIBCXX_CXX_ABI PROPERTY STRINGS ;${CXXABIS})
>>>>> >> +
>>>>> >> +option(LIBCXX_ENABLE_STATIC_ABI_LIBRARY "Statically link the ABI
>>>>> >> library"
>>>>> >> OFF)
>>>>> >> +
>>>>> >> +# Build libc++abi with libunwind. We need this option to determine
>>>>> >> whether to
>>>>> >> +# link with libunwind or libgcc_s while running the test cases.
>>>>> >> +option(LIBCXXABI_USE_LLVM_UNWINDER "Build and use the LLVM
>>>>> >> unwinder."
>>>>> >> OFF)
>>>>> >> +
>>>>> >> +# Target options
>>>>> >> --------------------------------------------------------------
>>>>> >> +option(LIBCXX_BUILD_32_BITS "Build 32 bit libc++." OFF)
>>>>> >> +set(LIBCXX_SYSROOT "" CACHE STRING "Use alternate sysroot.")
>>>>> >> +set(LIBCXX_GCC_TOOLCHAIN "" CACHE STRING "Use alternate GCC
>>>>> >> toolchain.")
>>>>> >> +
>>>>> >> +# Feature options
>>>>> >> -------------------------------------------------------------
>>>>> >> +option(LIBCXX_ENABLE_EXCEPTIONS "Use exceptions." ON)
>>>>> >> +option(LIBCXX_ENABLE_RTTI "Use run time type information." ON)
>>>>> >>  option(LIBCXX_ENABLE_GLOBAL_FILESYSTEM_NAMESPACE "Build libc++ with
>>>>> >> support for the global filesystem namespace." ON)
>>>>> >>  option(LIBCXX_ENABLE_STDIN "Build libc++ with support for
>>>>> >> stdin/std::cin." ON)
>>>>> >>  option(LIBCXX_ENABLE_STDOUT "Build libc++ with support for
>>>>> >> stdout/std::cout." ON)
>>>>> >>  option(LIBCXX_ENABLE_THREADS "Build libc++ with support for
>>>>> >> threads." ON)
>>>>> >>  option(LIBCXX_ENABLE_THREAD_UNSAFE_C_FUNCTIONS "Build libc++ with
>>>>> >> support
>>>>> >> for thread-unsafe C functions" ON)
>>>>> >> -option(LIBCXX_BUILD_32_BITS "Build 32 bit libc++" OFF)
>>>>> >>  option(LIBCXX_ENABLE_MONOTONIC_CLOCK
>>>>> >>    "Build libc++ with support for a monotonic clock.
>>>>> >>     This option may only be used when LIBCXX_ENABLE_THREADS=OFF."
>>>>> >> ON)
>>>>> >> -option(LIBCXX_INSTALL_HEADERS "Install the libc++ headers." ON)
>>>>> >> -option(LIBCXX_INSTALL_SUPPORT_HEADERS "Install libc++ support
>>>>> >> headers."
>>>>> >> ON)
>>>>> >> +
>>>>> >> +# Misc options
>>>>> >> ----------------------------------------------------------------
>>>>> >> +option(LIBCXX_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
>>>>> >> +option(LIBCXX_ENABLE_WERROR "Fail and stop if a warning is
>>>>> >> triggered."
>>>>> >> OFF)
>>>>> >> +
>>>>> >>  option(LIBCXX_GENERATE_COVERAGE "Enable generating code coverage."
>>>>> >> OFF)
>>>>> >>  set(LIBCXX_COVERAGE_LIBRARY "" CACHE STRING
>>>>> >> -       "The Profile-rt library used to build with code coverage")
>>>>> >> -option(LIBCXX_ENABLE_STATIC_ABI_LIBRARY "Statically link the ABI
>>>>> >> library"
>>>>> >> OFF)
>>>>> >> -set(LIBCXX_SYSROOT "" CACHE STRING "Use alternate sysroot.")
>>>>> >> -set(LIBCXX_GCC_TOOLCHAIN "" CACHE STRING "Use alternate GCC
>>>>> >> toolchain.")
>>>>> >> -if (LIBCXX_BUILT_STANDALONE)
>>>>> >> -  set(LLVM_USE_SANITIZER "" CACHE STRING
>>>>> >> -      "Define the sanitizer used to build the library and tests")
>>>>> >> +    "The Profile-rt library used to build with code coverage")
>>>>> >> +
>>>>> >>
>>>>> >>
>>>>> >> +#===============================================================================
>>>>> >> +# Check option configurations
>>>>> >>
>>>>> >>
>>>>> >> +#===============================================================================
>>>>> >> +
>>>>> >> +# Ensure LIBCXX_ENABLE_MONOTONIC_CLOCK is set to ON only when
>>>>> >> +# LIBCXX_ENABLE_THREADS is on.
>>>>> >> +if(LIBCXX_ENABLE_THREADS AND NOT LIBCXX_ENABLE_MONOTONIC_CLOCK)
>>>>> >> +  message(FATAL_ERROR "LIBCXX_ENABLE_MONOTONIC_CLOCK can only be
>>>>> >> set to
>>>>> >> OFF"
>>>>> >> +                      " when LIBCXX_ENABLE_THREADS is also set to
>>>>> >> OFF.")
>>>>> >> +endif()
>>>>> >> +
>>>>> >> +# Ensure LLVM_USE_SANITIZER is not specified when
>>>>> >> LIBCXX_GENERATE_COVERAGE
>>>>> >> +# is ON.
>>>>> >> +if (LLVM_USE_SANITIZER AND LIBCXX_GENERATE_COVERAGE)
>>>>> >> +  message(FATAL_ERROR "LLVM_USE_SANITIZER cannot be used with
>>>>> >> LIBCXX_GENERATE_COVERAGE")
>>>>> >> +endif()
>>>>> >> +
>>>>> >> +# Set LIBCXX_BUILD_32_BITS to (LIBCXX_BUILD_32_BITS OR
>>>>> >> LLVM_BUILD_32_BITS)
>>>>> >> +# and check that we can build with 32 bits if requested.
>>>>> >> +if (CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32)
>>>>> >> +  if (LIBCXX_BUILD_32_BITS OR LLVM_BUILD_32_BITS)
>>>>> >> +    if (NOT LLVM_BUILD_32_BITS) # Don't duplicate the output from
>>>>> >> LLVM
>>>>> >> +      message(STATUS "Building 32 bits executables and libraries.")
>>>>> >> +    endif()
>>>>> >> +    set(LIBCXX_BUILD_32_BITS ON CACHE BOOL "" FORCE)
>>>>> >> +  endif()
>>>>> >> +elseif(LIBCXX_BUILD_32_BITS)
>>>>> >> +  message(FATAL_ERROR "LIBCXX_BUILD_32_BITS=ON is not supported on
>>>>> >> this
>>>>> >> platform.")
>>>>> >>  endif()
>>>>> >>
>>>>> >> +# Check that this option is not enabled on Apple and emit a usage
>>>>> >> warning.
>>>>> >>  if (LIBCXX_ENABLE_STATIC_ABI_LIBRARY)
>>>>> >>    if (APPLE)
>>>>> >>      message(FATAL_ERROR "LIBCXX_ENABLE_STATIC_ABI_LIBRARY is not
>>>>> >> supported on OS X")
>>>>> >> @@ -84,27 +125,6 @@ if (LIBCXX_ENABLE_STATIC_ABI_LIBRARY)
>>>>> >>    endif()
>>>>> >>  endif()
>>>>> >>
>>>>> >> -set(CXXABIS none libcxxabi libcxxrt libstdc++ libsupc++)
>>>>> >> -if (NOT LIBCXX_CXX_ABI)
>>>>> >> -  if (NOT DEFINED LIBCXX_BUILT_STANDALONE AND
>>>>> >> -      IS_DIRECTORY "${CMAKE_SOURCE_DIR}/projects/libcxxabi")
>>>>> >> -    set(LIBCXX_CXX_ABI_LIBNAME "libcxxabi")
>>>>> >> -    set(LIBCXX_CXX_ABI_INCLUDE_PATHS
>>>>> >> "${CMAKE_SOURCE_DIR}/projects/libcxxabi/include")
>>>>> >> -    set(LIBCXX_CXX_ABI_INTREE 1)
>>>>> >> -  else ()
>>>>> >> -    set(LIBCXX_CXX_ABI_LIBNAME "none")
>>>>> >> -  endif ()
>>>>> >> -else ()
>>>>> >> -  set(LIBCXX_CXX_ABI_LIBNAME "${LIBCXX_CXX_ABI}")
>>>>> >> -endif ()
>>>>> >> -set(LIBCXX_CXX_ABI "${LIBCXX_CXX_ABI}" CACHE STRING
>>>>> >> -    "Specify C++ ABI library to use." FORCE)
>>>>> >> -set_property(CACHE LIBCXX_CXX_ABI PROPERTY STRINGS ;${CXXABIS})
>>>>> >> -
>>>>> >> -# Build libc++abi with libunwind. We need this option to determine
>>>>> >> whether to
>>>>> >> -# link with libunwind or libgcc_s while running the test cases.
>>>>> >> -option(LIBCXXABI_USE_LLVM_UNWINDER "Build and use the LLVM
>>>>> >> unwinder."
>>>>> >> OFF)
>>>>> >> -
>>>>> >>
>>>>> >>
>>>>> >> #===============================================================================
>>>>> >>  # Configure System
>>>>> >>
>>>>> >>
>>>>> >> #===============================================================================
>>>>> >> @@ -114,234 +134,113 @@ set(LIBCXX_SOURCE_DIR  ${CMAKE_CURRENT_S
>>>>> >>  set(LIBCXX_BINARY_DIR  ${CMAKE_CURRENT_BINARY_DIR})
>>>>> >>  set(LIBCXX_LIBRARY_DIR
>>>>> >> ${CMAKE_BINARY_DIR}/lib${LIBCXX_LIBDIR_SUFFIX})
>>>>> >>
>>>>> >> +set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LIBCXX_LIBRARY_DIR})
>>>>> >> +set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LIBCXX_LIBRARY_DIR})
>>>>> >> +
>>>>> >>  # Declare libc++ configuration variables.
>>>>> >>  # They are intended for use as follows:
>>>>> >>  # LIBCXX_CXX_FLAGS: General flags for both the compiler and linker.
>>>>> >>  # LIBCXX_COMPILE_FLAGS: Compile only flags.
>>>>> >>  # LIBCXX_LINK_FLAGS: Linker only flags.
>>>>> >> -set(LIBCXX_CXX_FLAGS "")
>>>>> >>  set(LIBCXX_COMPILE_FLAGS "")
>>>>> >>  set(LIBCXX_LINK_FLAGS "")
>>>>> >> +set(LIBCXX_LIBRARIES "")
>>>>> >>
>>>>> >>  # Configure compiler.
>>>>> >>  include(config-ix)
>>>>> >> -# Configure ABI library
>>>>> >> -include(HandleLibCXXABI)
>>>>> >> +
>>>>> >>  # Configure coverage options.
>>>>> >>  if (LIBCXX_GENERATE_COVERAGE)
>>>>> >>    include(CodeCoverage)
>>>>> >>    set(CMAKE_BUILD_TYPE "COVERAGE" CACHE STRING "" FORCE)
>>>>> >>  endif()
>>>>> >>
>>>>> >> +string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
>>>>> >> +
>>>>> >>
>>>>> >>
>>>>> >> #===============================================================================
>>>>> >>  # Setup Compiler Flags
>>>>> >>
>>>>> >>
>>>>> >> #===============================================================================
>>>>> >>
>>>>> >> -# Get required flags.
>>>>> >> -# On all systems the system c++ standard library headers need to be
>>>>> >> excluded.
>>>>> >> -if (MSVC)
>>>>> >> -  # MSVC only has -X, which disables all default includes;
>>>>> >> including the
>>>>> >> crt.
>>>>> >> -  # Thus, we do nothing and hope we don't accidentally include any
>>>>> >> of the
>>>>> >> C++
>>>>> >> -  # headers.
>>>>> >> -else()
>>>>> >> -  if (LIBCXX_HAS_NOSTDINCXX_FLAG)
>>>>> >> -    list(APPEND LIBCXX_COMPILE_FLAGS -nostdinc++)
>>>>> >> -    string(REPLACE "-stdlib=libc++" "" CMAKE_CXX_FLAGS
>>>>> >> "${CMAKE_CXX_FLAGS}")
>>>>> >> -    string(REPLACE "-stdlib=libstdc++" "" CMAKE_CXX_FLAGS
>>>>> >> "${CMAKE_CXX_FLAGS}")
>>>>> >> -  endif()
>>>>> >> -  # If c++1y has been enabled then attempt to use it. Fail if it is
>>>>> >> no
>>>>> >> supported
>>>>> >> -  # by the compiler. Otherwise choose c++11 and ensure the compiler
>>>>> >> supports it.
>>>>> >> -  if (LIBCXX_ENABLE_CXX1Y)
>>>>> >> -    if (LIBCXX_HAS_STDCXX1Y_FLAG)
>>>>> >> -      set(LIBCXX_STD_VERSION c++1y)
>>>>> >> -    else()
>>>>> >> -      message(FATAL_ERROR "c++1y was enabled but the compiler does
>>>>> >> not
>>>>> >> support it.")
>>>>> >> -    endif()
>>>>> >> -  else()
>>>>> >> -    if (LIBCXX_HAS_STDCXX11_FLAG)
>>>>> >> -      set(LIBCXX_STD_VERSION c++11)
>>>>> >> -    else()
>>>>> >> -      message(FATAL_ERROR "c++11 is required by libc++ but is not
>>>>> >> supported by the compiler")
>>>>> >> -    endif()
>>>>> >> -  endif()
>>>>> >> -  # LIBCXX_STD_VERSION should always be set at this point.
>>>>> >> -  list(APPEND LIBCXX_CXX_FLAGS "-std=${LIBCXX_STD_VERSION}")
>>>>> >> -endif()
>>>>> >> +include(HandleLibCXXABI) # Steup the ABI library flags
>>>>> >>
>>>>> >> -macro(append_if list condition var)
>>>>> >> -  if (${condition})
>>>>> >> -    list(APPEND ${list} ${var})
>>>>> >> -  endif()
>>>>> >> -endmacro()
>>>>> >> +# Include macros for adding and removing libc++ flags.
>>>>> >> +include(HandleLibcxxFlags)
>>>>> >>
>>>>> >> -# Get warning flags
>>>>> >> -# Disable the system header pragma.
>>>>> >> -add_definitions(-D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
>>>>> >> -if (NOT MSVC)
>>>>> >> -  append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_WALL_FLAG -Wall)
>>>>> >> -  list(APPEND LIBCXX_COMPILE_FLAGS -Werror=return-type)
>>>>> >> +# Remove flags that may have snuck in.
>>>>> >> +remove_flags(-DNDEBUG -UNDEBUG -D_DEBUG
>>>>> >> +             -stdlib=libc++ -stdlib=libstdc++ -lc++abi -m32)
>>>>> >> +
>>>>> >> +# Required flags
>>>>> >> ==============================================================
>>>>> >> +add_compile_flags_if_supported(-std=c++11)
>>>>> >> +if (NOT MSVC AND NOT LIBCXX_SUPPORTS_STD_EQ_CXX11_FLAG)
>>>>> >> +  message(FATAL_ERROR "C++11 is required but the compiler does not
>>>>> >> support -std=c++11")
>>>>> >>  endif()
>>>>> >>
>>>>> >> -append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_W_FLAG -W)
>>>>> >> -append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_WNO_UNUSED_PARAMETER_FLAG
>>>>> >> -Wno-unused-parameter)
>>>>> >> -append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_WWRITE_STRINGS_FLAG
>>>>> >> -Wwrite-strings)
>>>>> >> -append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_WNO_LONG_LONG_FLAG
>>>>> >> -Wno-long-long)
>>>>> >> +# On all systems the system c++ standard library headers need to be
>>>>> >> excluded.
>>>>> >> +# MSVC only has -X, which disables all default includes; including
>>>>> >> the
>>>>> >> crt.
>>>>> >> +# Thus, we do nothing and hope we don't accidentally include any of
>>>>> >> the
>>>>> >> C++
>>>>> >> +# headers
>>>>> >> +add_compile_flags_if_supported(-nostdinc++)
>>>>> >> +
>>>>> >> +# Target flags
>>>>> >> ================================================================
>>>>> >> +add_flags_if(LIBCXX_BUILD_32_BITS -m32)
>>>>> >> +add_flags_if(LIBCXX_TARGET_TRIPLE "-target
>>>>> >> ${LIBCXX_TARGET_TRIPLE}")
>>>>> >> +add_flags_if(LIBCXX_SYSROOT "--sysroot ${LIBCXX_SYSROOT}")
>>>>> >> +add_flags_if(LIBCXX_GCC_TOOLCHAIN "-gcc-toolchain
>>>>> >> ${LIBCXX_GCC_TOOLCHAIN}")
>>>>> >> +
>>>>> >> +# Warning flags
>>>>> >> ===============================================================
>>>>> >> +add_definitions(-D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
>>>>> >> +add_compile_flags_if_supported(
>>>>> >> +    -Wall -W -Wwrite-strings
>>>>> >> +    -Wno-unused-parameter -Wno-long-long
>>>>> >> +    -Werror=return-type)
>>>>> >>  if (LIBCXX_ENABLE_WERROR)
>>>>> >> -  append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_WERROR_FLAG -Werror)
>>>>> >> -  append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_WX_FLAG -WX)
>>>>> >> -else()
>>>>> >> -  append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_WNO_ERROR_FLAG
>>>>> >> -Wno-error)
>>>>> >> -  append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_NO_WX_FLAG -WX-)
>>>>> >> +  add_compile_flags_if_supported(-Werror)
>>>>> >> +  add_compile_flags_if_supported(-WX)
>>>>> >>  endif()
>>>>> >>  if (LIBCXX_ENABLE_PEDANTIC)
>>>>> >> -  append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_PEDANTIC_FLAG
>>>>> >> -pedantic)
>>>>> >> +  add_compile_flags_if_supported(-pedantic)
>>>>> >>  endif()
>>>>> >>
>>>>> >> -# Get feature flags.
>>>>> >> -# Exceptions
>>>>> >> +# Exception flags
>>>>> >> =============================================================
>>>>> >>  if (LIBCXX_ENABLE_EXCEPTIONS)
>>>>> >>    # Catches C++ exceptions only and tells the compiler to assume
>>>>> >> that
>>>>> >> extern C
>>>>> >>    # functions never throw a C++ exception.
>>>>> >> -  append_if(LIBCXX_CXX_FLAGS LIBCXX_HAS_EHSC_FLAG -EHsc)
>>>>> >> +  add_compile_flags_if_supported(-EHsc)
>>>>> >>  else()
>>>>> >> -  list(APPEND LIBCXX_CXX_FLAGS -D_LIBCPP_NO_EXCEPTIONS)
>>>>> >> -  append_if(LIBCXX_CXX_FLAGS LIBCXX_HAS_NO_EHS_FLAG -EHs-)
>>>>> >> -  append_if(LIBCXX_CXX_FLAGS LIBCXX_HAS_NO_EHA_FLAG -EHa-)
>>>>> >> -  append_if(LIBCXX_CXX_FLAGS LIBCXX_HAS_FNO_EXCEPTIONS_FLAG
>>>>> >> -fno-exceptions)
>>>>> >> +  add_definitions(-D_LIBCPP_NO_EXCEPTIONS)
>>>>> >> +  add_compile_flags_if_supported(-EHs- -EHa-)
>>>>> >> +  add_compile_flags_if_supported(-fno-exceptions)
>>>>> >>  endif()
>>>>> >> -# RTTI
>>>>> >> +
>>>>> >> +# RTTI flags
>>>>> >> ==================================================================
>>>>> >>  if (NOT LIBCXX_ENABLE_RTTI)
>>>>> >> -  list(APPEND LIBCXX_CXX_FLAGS -D_LIBCPP_NO_RTTI)
>>>>> >> -  append_if(LIBCXX_CXX_FLAGS LIBCXX_HAS_NO_GR_FLAG -GR-)
>>>>> >> -  append_if(LIBCXX_CXX_FLAGS LIBCXX_HAS_FNO_RTTI_FLAG -fno-rtti)
>>>>> >> +  add_definitions(-D_LIBCPP_NO_RTTI)
>>>>> >> +  add_compile_flags_if_supported(-GR-)
>>>>> >> +  add_compile_flags_if_supported(-fno-rtti)
>>>>> >>  endif()
>>>>> >> -# Assert
>>>>> >> -string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
>>>>> >> +
>>>>> >> +# Assertion flags
>>>>> >> =============================================================
>>>>> >> +define_if(LIBCXX_ENABLE_ASSERTIONS -UNDEBUG)
>>>>> >> +define_if_not(LIBCXX_ENABLE_ASSERTIONS -DNDEBUG)
>>>>> >>  if (LIBCXX_ENABLE_ASSERTIONS)
>>>>> >>    # MSVC doesn't like _DEBUG on release builds. See PR 4379.
>>>>> >> -  if (NOT MSVC)
>>>>> >> -    list(APPEND LIBCXX_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 LIBCXX_COMPILE_FLAGS -UNDEBUG)
>>>>> >> -  endif()
>>>>> >> -else()
>>>>> >> -  if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE")
>>>>> >> -    list(APPEND LIBCXX_COMPILE_FLAGS -DNDEBUG)
>>>>> >> -  endif()
>>>>> >> -endif()
>>>>> >> -# Static library
>>>>> >> -if (NOT LIBCXX_ENABLE_SHARED)
>>>>> >> -  list(APPEND LIBCXX_COMPILE_FLAGS -D_LIBCPP_BUILD_STATIC)
>>>>> >> -endif()
>>>>> >> -
>>>>> >> -if (CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32)
>>>>> >> -  if (LIBCXX_BUILD_32_BITS)
>>>>> >> -    message(STATUS "Building 32 bits executables and libraries.")
>>>>> >> -    list(APPEND LIBCXX_CXX_FLAGS "-m32")
>>>>> >> -  endif()
>>>>> >> -elseif(LIBCXX_BUILD_32_BITS)
>>>>> >> -  message(FATAL_ERROR "LIBCXX_BUILD_32_BITS=ON is not supported on
>>>>> >> this
>>>>> >> platform.")
>>>>> >> -endif()
>>>>> >> -# This is the _ONLY_ place where add_definitions is called.
>>>>> >> -if (MSVC)
>>>>> >> -  add_definitions(-D_CRT_SECURE_NO_WARNINGS)
>>>>> >> -endif()
>>>>> >> -
>>>>> >> -# LIBCXX_ENABLE_GLOBAL_FILESYSTEM_NAMESPACE configuration
>>>>> >> -if (NOT LIBCXX_ENABLE_GLOBAL_FILESYSTEM_NAMESPACE)
>>>>> >> -  add_definitions(-D_LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE)
>>>>> >> -endif()
>>>>> >> -
>>>>> >> -# LIBCXX_ENABLE_STDIN configuration
>>>>> >> -if (NOT LIBCXX_ENABLE_STDIN)
>>>>> >> -  add_definitions(-D_LIBCPP_HAS_NO_STDIN)
>>>>> >> -endif()
>>>>> >> -
>>>>> >> -# LIBCXX_ENABLE_STDOUT configuration
>>>>> >> -if (NOT LIBCXX_ENABLE_STDOUT)
>>>>> >> -  add_definitions(-D_LIBCPP_HAS_NO_STDOUT)
>>>>> >> -endif()
>>>>> >> -
>>>>> >> -# LIBCXX_ENABLE_THREADS configuration
>>>>> >> -if (NOT LIBCXX_ENABLE_THREADS)
>>>>> >> -  add_definitions(-D_LIBCPP_HAS_NO_THREADS)
>>>>> >> -  if (NOT LIBCXX_ENABLE_MONOTONIC_CLOCK)
>>>>> >> -    add_definitions(-D_LIBCPP_HAS_NO_MONOTONIC_CLOCK)
>>>>> >> -  endif()
>>>>> >> -# Ensure LIBCXX_ENABLE_MONOTONIC_CLOCK is set to ON.
>>>>> >> -elseif(NOT LIBCXX_ENABLE_MONOTONIC_CLOCK)
>>>>> >> -  message(FATAL_ERROR "LIBCXX_ENABLE_MONOTONIC_CLOCK can only be
>>>>> >> set to
>>>>> >> OFF"
>>>>> >> -                      " when LIBCXX_ENABLE_THREADS is also set to
>>>>> >> OFF.")
>>>>> >> -endif()
>>>>> >> -
>>>>> >> -# LIBCXX_ENABLE_THREAD_UNSAFE_C_FUNCTIONS configuration
>>>>> >> -if (NOT LIBCXX_ENABLE_THREAD_UNSAFE_C_FUNCTIONS)
>>>>> >> -  add_definitions(-D_LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS)
>>>>> >> -endif()
>>>>> >> -
>>>>> >> -# Configure for sanitizers. If LIBCXX_BUILT_STANDALONE then we have
>>>>> >> to do
>>>>> >> -# the flag translation ourselves. Othewise LLVM's CMakeList.txt
>>>>> >> will
>>>>> >> handle it.
>>>>> >> -if (LIBCXX_BUILT_STANDALONE)
>>>>> >> -  # NOTE: LLVM_USE_SANITIZER checks for a UNIX like system instead
>>>>> >> of
>>>>> >> MSVC.
>>>>> >> -  # But we don't have LLVM_ON_UNIX so checking for MSVC is the best
>>>>> >> we
>>>>> >> can do.
>>>>> >> -  if (LLVM_USE_SANITIZER AND NOT MSVC)
>>>>> >> -    append_if(LIBCXX_CXX_FLAGS
>>>>> >> LIBCXX_HAS_FNO_OMIT_FRAME_POINTER_FLAG
>>>>> >> -              "-fno-omit-frame-pointer")
>>>>> >> -    if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" AND
>>>>> >> -        NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELWITHDEBINFO")
>>>>> >> -      append_if(LIBCXX_CXX_FLAGS LIBCXX_HAS_GLINE_TABLES_ONLY_FLAG
>>>>> >> -                "-gline-tables-only")
>>>>> >> -    endif()
>>>>> >> -    if (LLVM_USE_SANITIZER STREQUAL "Address")
>>>>> >> -      list(APPEND LIBCXX_CXX_FLAGS "-fsanitize=address")
>>>>> >> -    elseif (LLVM_USE_SANITIZER MATCHES "Memory(WithOrigins)?")
>>>>> >> -      list(APPEND LIBCXX_CXX_FLAGS "-fsanitize=memory")
>>>>> >> -      if (LLVM_USE_SANITIZER STREQUAL "MemoryWithOrigins")
>>>>> >> -        list(APPEND LIBCXX_CXX_FLAGS
>>>>> >> "-fsanitize-memory-track-origins")
>>>>> >> -      endif()
>>>>> >> -    elseif (LLVM_USE_SANITIZER STREQUAL "Undefined")
>>>>> >> -      list(APPEND LIBCXX_CXX_FLAGS
>>>>> >> -          "-fsanitize=undefined -fno-sanitize=vptr,function
>>>>> >> -fno-sanitize-recover")
>>>>> >> -    elseif (LLVM_USE_SANITIZER STREQUAL "Thread")
>>>>> >> -      list(APPEND LIBCXX_CXX_FLAGS "-fsanitize=thread")
>>>>> >> -    else()
>>>>> >> -      message(WARNING "Unsupported value of LLVM_USE_SANITIZER:
>>>>> >> ${LLVM_USE_SANITIZER}")
>>>>> >> -    endif()
>>>>> >> -  elseif(MSVC)
>>>>> >> -    message(WARNING "LLVM_USE_SANITIZER is not supported with
>>>>> >> MSVC")
>>>>> >> -  endif()
>>>>> >> -endif()
>>>>> >> -
>>>>> >> -append_if(LIBCXX_CXX_FLAGS LIBCXX_TARGET_TRIPLE
>>>>> >> -          "-target ${LIBCXX_TARGET_TRIPLE}")
>>>>> >> -
>>>>> >> -append_if(LIBCXX_CXX_FLAGS LIBCXX_SYSROOT "--sysroot
>>>>> >> ${LIBCXX_SYSROOT}")
>>>>> >> -append_if(LIBCXX_CXX_FLAGS LIBCXX_GCC_TOOLCHAIN
>>>>> >> -          "-gcc-toolchain ${LIBCXX_GCC_TOOLCHAIN}")
>>>>> >> -
>>>>> >> -if (LLVM_USE_SANITIZER AND LIBCXX_GENERATE_COVERAGE)
>>>>> >> -  message(FATAL_ERROR "LLVM_USE_SANITIZER cannot be used with
>>>>> >> LIBCXX_GENERATE_COVERAGE")
>>>>> >> +  define_if_not(MSVC -D_DEBUG)
>>>>> >>  endif()
>>>>> >>
>>>>> >> -string(REPLACE ";" " " LIBCXX_CXX_FLAGS "${LIBCXX_CXX_FLAGS}")
>>>>> >> -set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBCXX_CXX_FLAGS}")
>>>>> >> +# Feature flags
>>>>> >> ===============================================================
>>>>> >> +define_if(MSVC -D_CRT_SECURE_NO_WARNINGS)
>>>>> >> +define_if_not(LIBCXX_ENABLE_GLOBAL_FILESYSTEM_NAMESPACE
>>>>> >> -D_LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE)
>>>>> >> +define_if_not(LIBCXX_ENABLE_STDIN -D_LIBCPP_HAS_NO_STDIN)
>>>>> >> +define_if_not(LIBCXX_ENABLE_STDOUT -D_LIBCPP_HAS_NO_STDOUT)
>>>>> >> +define_if_not(LIBCXX_ENABLE_THREADS -D_LIBCPP_HAS_NO_THREADS)
>>>>> >> +define_if_not(LIBCXX_ENABLE_MONOTONIC_CLOCK
>>>>> >> -D_LIBCPP_HAS_NO_MONOTONIC_CLOCK)
>>>>> >> +define_if_not(LIBCXX_ENABLE_THREAD_UNSAFE_C_FUNCTIONS
>>>>> >> -D_LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS)
>>>>> >>
>>>>> >>
>>>>> >>
>>>>> >> #===============================================================================
>>>>> >> -# Setup Source Code
>>>>> >> +# Setup Source Code And Tests
>>>>> >>
>>>>> >>
>>>>> >> #===============================================================================
>>>>> >> -
>>>>> >>  include_directories(include)
>>>>> >>  add_subdirectory(include)
>>>>> >> -
>>>>> >> -# Add source code. This also contains all of the logic for deciding
>>>>> >> linker flags
>>>>> >> -# soname, etc...
>>>>> >>  add_subdirectory(lib)
>>>>> >> -
>>>>> >>
>>>>> >>
>>>>> >> -#===============================================================================
>>>>> >> -# Setup Tests
>>>>> >>
>>>>> >>
>>>>> >> -#===============================================================================
>>>>> >> -
>>>>> >>  add_subdirectory(test)
>>>>> >>
>>>>> >> Added: libcxx/trunk/cmake/Modules/FindLLVM.cmake
>>>>> >> URL:
>>>>> >>
>>>>> >> http://llvm.org/viewvc/llvm-project/libcxx/trunk/cmake/Modules/FindLLVM.cmake?rev=243574&view=auto
>>>>> >>
>>>>> >>
>>>>> >>
>>>>> >> ==============================================================================
>>>>> >> --- libcxx/trunk/cmake/Modules/FindLLVM.cmake (added)
>>>>> >> +++ libcxx/trunk/cmake/Modules/FindLLVM.cmake Wed Jul 29 16:07:28
>>>>> >> 2015
>>>>> >> @@ -0,0 +1,81 @@
>>>>> >> +
>>>>> >> +if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
>>>>> >> +  # Rely on llvm-config.
>>>>> >> +  set(CONFIG_OUTPUT)
>>>>> >> +  find_program(LLVM_CONFIG "llvm-config")
>>>>> >> +  if(DEFINED LLVM_PATH)
>>>>> >> +    set(LLVM_INCLUDE_DIR ${LLVM_INCLUDE_DIR} CACHE PATH "Path to
>>>>> >> llvm/include")
>>>>> >> +    set(LLVM_PATH ${LLVM_PATH} CACHE PATH "Path to LLVM source
>>>>> >> tree")
>>>>> >> +    set(LLVM_MAIN_SRC_DIR ${LLVM_PATH})
>>>>> >> +    set(LLVM_CMAKE_PATH "${LLVM_PATH}/cmake/modules")
>>>>> >> +  elseif(LLVM_CONFIG)
>>>>> >> +    message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}")
>>>>> >> +    set(CONFIG_COMMAND ${LLVM_CONFIG}
>>>>> >> +      "--includedir"
>>>>> >> +      "--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()
>>>>> >> +
>>>>> >> +    list(GET CONFIG_OUTPUT 0 INCLUDE_DIR)
>>>>> >> +    list(GET CONFIG_OUTPUT 1 LLVM_OBJ_ROOT)
>>>>> >> +    list(GET CONFIG_OUTPUT 2 MAIN_SRC_DIR)
>>>>> >> +
>>>>> >> +    set(LLVM_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to
>>>>> >> llvm/include")
>>>>> >> +    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")
>>>>> >> +  else()
>>>>> >> +    message(FATAL_ERROR "llvm-config not found and
>>>>> >> LLVM_MAIN_SRC_DIR not
>>>>> >> defined. "
>>>>> >> +                        "Reconfigure with
>>>>> >> -DLLVM_CONFIG=path/to/llvm-config "
>>>>> >> +                        "or -DLLVM_PATH=path/to/llvm-source-root.")
>>>>> >> +  endif()
>>>>> >> +
>>>>> >> +  if (NOT EXISTS ${LLVM_MAIN_SRC_DIR})
>>>>> >> +    message(FATAL_ERROR "Not found: ${LLVM_MAIN_SRC_DIR}")
>>>>> >> +  endif()
>>>>> >> +
>>>>> >> +  if(NOT EXISTS ${LLVM_CMAKE_PATH})
>>>>> >> +    message(FATAL_ERROR "Not found: ${LLVM_CMAKE_PATH}")
>>>>> >> +  endif()
>>>>> >> +
>>>>> >> +  list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
>>>>> >> +  list(APPEND CMAKE_MODULE_PATH
>>>>> >> "${LLVM_MAIN_SRC_DIR}/cmake/modules")
>>>>> >> +
>>>>> >> +
>>>>> >> +  if(LLVM_LIT)
>>>>> >> +    # Define the default arguments to use with 'lit', and an option
>>>>> >> for
>>>>> >> the user
>>>>> >> +    # to override.
>>>>> >> +    set(LIT_ARGS_DEFAULT "-sv --show-xfail --show-unsupported")
>>>>> >> +    if (MSVC OR XCODE)
>>>>> >> +      set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
>>>>> >> +    endif()
>>>>> >> +    set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default
>>>>> >> options
>>>>> >> for lit")
>>>>> >> +
>>>>> >> +    # On Win32 hosts, provide an option to specify the path to the
>>>>> >> GnuWin32 tools.
>>>>> >> +    if( WIN32 AND NOT CYGWIN )
>>>>> >> +      set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32
>>>>> >> tools")
>>>>> >> +    endif()
>>>>> >> +  else()
>>>>> >> +    set(LLVM_INCLUDE_TESTS OFF)
>>>>> >> +  endif()
>>>>> >> +
>>>>> >> +  include(AddLLVM) # Include the LLVM CMake functions.
>>>>> >> +  include(HandleLLVMOptions)
>>>>> >> +  set(LIBCXX_BUILT_STANDALONE 1)
>>>>> >> +else()
>>>>> >> +  set(LLVM_MAIN_SRC_DIR "${CMAKE_SOURCE_DIR}" CACHE PATH "Path to
>>>>> >> LLVM
>>>>> >> source tree")
>>>>> >> +  set(LLVM_LIT "${CMAKE_SOURCE_DIR}/utils/lit/lit.py")
>>>>> >> +endif()
>>>>> >>
>>>>> >> Modified: libcxx/trunk/cmake/Modules/HandleLibCXXABI.cmake
>>>>> >> URL:
>>>>> >>
>>>>> >> http://llvm.org/viewvc/llvm-project/libcxx/trunk/cmake/Modules/HandleLibCXXABI.cmake?rev=243574&r1=243573&r2=243574&view=diff
>>>>> >>
>>>>> >>
>>>>> >> ==============================================================================
>>>>> >> --- libcxx/trunk/cmake/Modules/HandleLibCXXABI.cmake (original)
>>>>> >> +++ libcxx/trunk/cmake/Modules/HandleLibCXXABI.cmake Wed Jul 29
>>>>> >> 16:07:28
>>>>> >> 2015
>>>>> >> @@ -58,6 +58,21 @@ macro(setup_abi_lib abidefines abilib ab
>>>>> >>
>>>>> >>  endmacro()
>>>>> >>
>>>>> >> +# Setup the default options if LIBCXX_CXX_ABI is not specified.
>>>>> >> +if (NOT LIBCXX_CXX_ABI)
>>>>> >> +  if (NOT DEFINED LIBCXX_BUILT_STANDALONE AND
>>>>> >> +      IS_DIRECTORY "${CMAKE_SOURCE_DIR}/projects/libcxxabi")
>>>>> >> +    set(LIBCXX_CXX_ABI_LIBNAME "libcxxabi")
>>>>> >> +    set(LIBCXX_CXX_ABI_INCLUDE_PATHS
>>>>> >> "${CMAKE_SOURCE_DIR}/projects/libcxxabi/include")
>>>>> >> +    set(LIBCXX_CXX_ABI_INTREE 1)
>>>>> >> +  else ()
>>>>> >> +    set(LIBCXX_CXX_ABI_LIBNAME "none")
>>>>> >> +  endif ()
>>>>> >> +else ()
>>>>> >> +  set(LIBCXX_CXX_ABI_LIBNAME "${LIBCXX_CXX_ABI}")
>>>>> >> +endif ()
>>>>> >> +
>>>>> >> +# Configure based on the selected ABI library.
>>>>> >>  if ("${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "libstdc++" OR
>>>>> >>      "${LIBCXX_CXX_ABI_LIBNAME}" STREQUAL "libsupc++")
>>>>> >>    set(_LIBSUPCXX_INCLUDE_FILES
>>>>> >>
>>>>> >> Added: libcxx/trunk/cmake/Modules/HandleLibcxxFlags.cmake
>>>>> >> URL:
>>>>> >>
>>>>> >> http://llvm.org/viewvc/llvm-project/libcxx/trunk/cmake/Modules/HandleLibcxxFlags.cmake?rev=243574&view=auto
>>>>> >>
>>>>> >>
>>>>> >>
>>>>> >> ==============================================================================
>>>>> >> --- libcxx/trunk/cmake/Modules/HandleLibcxxFlags.cmake (added)
>>>>> >> +++ libcxx/trunk/cmake/Modules/HandleLibcxxFlags.cmake Wed Jul 29
>>>>> >> 16:07:28
>>>>> >> 2015
>>>>> >> @@ -0,0 +1,147 @@
>>>>> >> +# HandleLibcxxFlags - A set of macros used to setup the flags used
>>>>> >> to
>>>>> >> compile
>>>>> >> +# and link libc++. These macros add flags to the following CMake
>>>>> >> variables.
>>>>> >> +# - LIBCXX_COMPILE_FLAGS: flags used to compile libc++
>>>>> >> +# - LIBCXX_LINK_FLAGS: flags used to link libc++
>>>>> >> +# - LIBCXX_LIBRARIES: libraries to link libc++ to.
>>>>> >> +
>>>>> >> +include(CheckCXXCompilerFlag)
>>>>> >> +
>>>>> >> +unset(add_flag_if_supported)
>>>>> >> +
>>>>> >> +# Mangle the name of a compiler flag into a valid CMake identifier.
>>>>> >> +# Ex: --std=c++11 -> STD_EQ_CXX11
>>>>> >> +macro(mangle_name str output)
>>>>> >> +  string(STRIP "${str}" strippedStr)
>>>>> >> +  string(REGEX REPLACE "^/" "" strippedStr "${strippedStr}")
>>>>> >> +  string(REGEX REPLACE "^-+" "" strippedStr "${strippedStr}")
>>>>> >> +  string(REGEX REPLACE "-+$" "" strippedStr "${strippedStr}")
>>>>> >> +  string(REPLACE "-" "_" strippedStr "${strippedStr}")
>>>>> >> +  string(REPLACE "=" "_EQ_" strippedStr "${strippedStr}")
>>>>> >> +  string(REPLACE "+" "X" strippedStr "${strippedStr}")
>>>>> >> +  string(TOUPPER "${strippedStr}" ${output})
>>>>> >> +endmacro()
>>>>> >> +
>>>>> >> +# Remove a list of flags from all CMake variables that affect
>>>>> >> compile
>>>>> >> flags.
>>>>> >> +# This can be used to remove unwanted flags specified on the
>>>>> >> command line
>>>>> >> +# or added in other parts of LLVM's cmake configuration.
>>>>> >> +macro(remove_flags)
>>>>> >> +  foreach(var ${ARGN})
>>>>> >> +    string(REPLACE "${var}" "" CMAKE_CXX_FLAGS
>>>>> >> "${CMAKE_CXX_FLAGS}")
>>>>> >> +    string(REPLACE "${var}" "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
>>>>> >> +    string(REPLACE "${var}" "" CMAKE_EXE_LINKER_FLAGS
>>>>> >> "${CMAKE_EXE_LINKER_FLAGS}")
>>>>> >> +    string(REPLACE "${var}" "" CMAKE_SHARED_LINKER_FLAGS
>>>>> >> "${CMAKE_SHARED_LINKER_FLAGS}")
>>>>> >> +    string(REPLACE "${var}" "" CMAKE_SHARED_MODULE_FLAGS
>>>>> >> "${CMAKE_SHARED_MODULE_FLAGS}")
>>>>> >> +    remove_definitions(${var})
>>>>> >> +  endforeach()
>>>>> >> +endmacro(remove_flags)
>>>>> >> +
>>>>> >> +# Add a macro definition if condition is true.
>>>>> >> +macro(define_if condition def)
>>>>> >> +  if (${condition})
>>>>> >> +    add_definitions(${def})
>>>>> >> +  endif()
>>>>> >> +endmacro()
>>>>> >> +
>>>>> >> +# Add a macro definition if condition is not true.
>>>>> >> +macro(define_if_not condition def)
>>>>> >> +  if (NOT ${condition})
>>>>> >> +    add_definitions(${def})
>>>>> >> +  endif()
>>>>> >> +endmacro()
>>>>> >> +
>>>>> >> +# Add a specified list of flags to both 'LIBCXX_COMPILE_FLAGS' and
>>>>> >> +# 'LIBCXX_LINK_FLAGS'.
>>>>> >> +macro(add_flags)
>>>>> >> +  foreach(value ${ARGN})
>>>>> >> +    list(APPEND LIBCXX_COMPILE_FLAGS ${value})
>>>>> >> +    list(APPEND LIBCXX_LINK_FLAGS ${value})
>>>>> >> +  endforeach()
>>>>> >> +endmacro()
>>>>> >> +
>>>>> >> +# If the specified 'condition' is true then add a list of flags to
>>>>> >> both
>>>>> >> +# 'LIBCXX_COMPILE_FLAGS' and 'LIBCXX_LINK_FLAGS'.
>>>>> >> +macro(add_flags_if condition)
>>>>> >> +  if (${condition})
>>>>> >> +    add_flags(${ARGN})
>>>>> >> +  endif()
>>>>> >> +endmacro()
>>>>> >> +
>>>>> >> +# Add each flag in the list to LIBCXX_COMPILE_FLAGS and
>>>>> >> LIBCXX_LINK_FLAGS
>>>>> >> +# if that flag is supported by the current compiler.
>>>>> >> +macro(add_flags_if_supported)
>>>>> >> +  foreach(flag ${ARGN})
>>>>> >> +      mangle_name("${flag}" flagname)
>>>>> >> +      check_cxx_compiler_flag("${flag}"
>>>>> >> "LIBCXX_SUPPORTS_${flagname}_FLAG")
>>>>> >> +      add_flags_if(LIBCXX_SUPPORTS_${flagname}_FLAG ${flag})
>>>>> >> +  endforeach()
>>>>> >> +endmacro()
>>>>> >> +
>>>>> >> +# Add a list of flags to 'LIBCXX_COMPILE_FLAGS'.
>>>>> >> +macro(add_compile_flags)
>>>>> >> +  foreach(f ${ARGN})
>>>>> >> +    list(APPEND LIBCXX_COMPILE_FLAGS ${f})
>>>>> >> +  endforeach()
>>>>> >> +endmacro()
>>>>> >> +
>>>>> >> +# If 'condition' is true then add the specified list of flags to
>>>>> >> +# 'LIBCXX_COMPILE_FLAGS'
>>>>> >> +macro(add_compile_flags_if condition)
>>>>> >> +  if (${condition})
>>>>> >> +    add_compile_flags(${ARGN})
>>>>> >> +  endif()
>>>>> >> +endmacro()
>>>>> >> +
>>>>> >> +# For each specified flag, add that flag to 'LIBCXX_COMPILE_FLAGS'
>>>>> >> if the
>>>>> >> +# flag is supported by the C++ compiler.
>>>>> >> +macro(add_compile_flags_if_supported)
>>>>> >> +  foreach(flag ${ARGN})
>>>>> >> +      mangle_name("${flag}" flagname)
>>>>> >> +      check_cxx_compiler_flag("-Werror ${flag}"
>>>>> >> "LIBCXX_SUPPORTS_${flagname}_FLAG")
>>>>> >> +      add_compile_flags_if(LIBCXX_SUPPORTS_${flagname}_FLAG
>>>>> >> ${flag})
>>>>> >> +  endforeach()
>>>>> >> +endmacro()
>>>>> >> +
>>>>> >> +# Add a list of flags to 'LIBCXX_LINK_FLAGS'.
>>>>> >> +macro(add_link_flags)
>>>>> >> +  foreach(f ${ARGN})
>>>>> >> +    list(APPEND LIBCXX_LINK_FLAGS ${f})
>>>>> >> +  endforeach()
>>>>> >> +endmacro()
>>>>> >> +
>>>>> >> +# If 'condition' is true then add the specified list of flags to
>>>>> >> +# 'LIBCXX_LINK_FLAGS'
>>>>> >> +macro(add_link_flags_if condition)
>>>>> >> +  if (${condition})
>>>>> >> +    add_link_flags(${ARGN})
>>>>> >> +  endif()
>>>>> >> +endmacro()
>>>>> >> +
>>>>> >> +# For each specified flag, add that flag to 'LIBCXX_LINK_FLAGS' if
>>>>> >> the
>>>>> >> +# flag is supported by the C++ compiler.
>>>>> >> +macro(add_link_flags_if_supported)
>>>>> >> +  foreach(flag ${ARGN})
>>>>> >> +    mangle_name("${flag}" flagname)
>>>>> >> +    check_cxx_compiler_flag("${flag}"
>>>>> >> "LIBCXX_SUPPORTS_${flagname}_FLAG")
>>>>> >> +    add_link_flags_if(LIBCXX_SUPPORTS_${flagname}_FLAG ${flag})
>>>>> >> +  endforeach()
>>>>> >> +endmacro()
>>>>> >> +
>>>>> >> +# Add a list of libraries or link flags to 'LIBCXX_LIBRARIES'.
>>>>> >> +macro(add_library_flags)
>>>>> >> +  foreach(lib ${ARGN})
>>>>> >> +    list(APPEND LIBCXX_LIBRARIES ${lib})
>>>>> >> +  endforeach()
>>>>> >> +endmacro()
>>>>> >> +
>>>>> >> +# if 'condition' is true then add the specified list of libraries
>>>>> >> and
>>>>> >> flags
>>>>> >> +# to 'LIBCXX_LIBRARIES'.
>>>>> >> +macro(add_library_flags_if condition)
>>>>> >> +  if(${condition})
>>>>> >> +    add_library_flags(${ARGN})
>>>>> >> +  endif()
>>>>> >> +endmacro()
>>>>> >> +
>>>>> >> +# Turn a comma separated CMake list into a space separated string.
>>>>> >> +macro(split_list listname)
>>>>> >> +  string(REPLACE ";" " " ${listname} "${${listname}}")
>>>>> >> +endmacro()
>>>>> >>
>>>>> >> Modified: libcxx/trunk/cmake/config-ix.cmake
>>>>> >> URL:
>>>>> >>
>>>>> >> http://llvm.org/viewvc/llvm-project/libcxx/trunk/cmake/config-ix.cmake?rev=243574&r1=243573&r2=243574&view=diff
>>>>> >>
>>>>> >>
>>>>> >>
>>>>> >> ==============================================================================
>>>>> >> --- libcxx/trunk/cmake/config-ix.cmake (original)
>>>>> >> +++ libcxx/trunk/cmake/config-ix.cmake Wed Jul 29 16:07:28 2015
>>>>> >> @@ -2,23 +2,7 @@ include(CheckLibraryExists)
>>>>> >>  include(CheckCXXCompilerFlag)
>>>>> >>
>>>>> >>  # Check compiler flags
>>>>> >> -check_cxx_compiler_flag(-std=c++11
>>>>> >> LIBCXX_HAS_STDCXX11_FLAG)
>>>>> >> -check_cxx_compiler_flag(-std=c++1y
>>>>> >> LIBCXX_HAS_STDCXX1Y_FLAG)
>>>>> >> -check_cxx_compiler_flag(-fPIC
>>>>> >> LIBCXX_HAS_FPIC_FLAG)
>>>>> >> -check_cxx_compiler_flag(-fno-omit-frame-pointer
>>>>> >> LIBCXX_HAS_FNO_OMIT_FRAME_POINTER_FLAG)
>>>>> >> -check_cxx_compiler_flag(-nodefaultlibs
>>>>> >> LIBCXX_HAS_NODEFAULTLIBS_FLAG)
>>>>> >> -check_cxx_compiler_flag(-nostdinc++
>>>>> >> LIBCXX_HAS_NOSTDINCXX_FLAG)
>>>>> >> -check_cxx_compiler_flag(-Wall
>>>>> >> LIBCXX_HAS_WALL_FLAG)
>>>>> >> -check_cxx_compiler_flag(-W                      LIBCXX_HAS_W_FLAG)
>>>>> >> -check_cxx_compiler_flag(-Wno-unused-parameter
>>>>> >> LIBCXX_HAS_WNO_UNUSED_PARAMETER_FLAG)
>>>>> >> -check_cxx_compiler_flag(-Wwrite-strings
>>>>> >> LIBCXX_HAS_WWRITE_STRINGS_FLAG)
>>>>> >> -check_cxx_compiler_flag(-Wno-long-long
>>>>> >> LIBCXX_HAS_WNO_LONG_LONG_FLAG)
>>>>> >> -check_cxx_compiler_flag(-pedantic
>>>>> >> LIBCXX_HAS_PEDANTIC_FLAG)
>>>>> >> -check_cxx_compiler_flag(-Werror
>>>>> >> LIBCXX_HAS_WERROR_FLAG)
>>>>> >> -check_cxx_compiler_flag(-Wno-error
>>>>> >> LIBCXX_HAS_WNO_ERROR_FLAG)
>>>>> >> -check_cxx_compiler_flag(-fno-exceptions
>>>>> >> LIBCXX_HAS_FNO_EXCEPTIONS_FLAG)
>>>>> >> -check_cxx_compiler_flag(-fno-rtti
>>>>> >> LIBCXX_HAS_FNO_RTTI_FLAG)
>>>>> >> -check_cxx_compiler_flag(-gline-tables-only
>>>>> >> LIBCXX_HAS_GLINE_TABLES_ONLY_FLAG)
>>>>> >> +
>>>>> >>  check_cxx_compiler_flag(/WX                     LIBCXX_HAS_WX_FLAG)
>>>>> >>  check_cxx_compiler_flag(/WX-
>>>>> >> LIBCXX_HAS_NO_WX_FLAG)
>>>>> >>  check_cxx_compiler_flag(/EHsc
>>>>> >> LIBCXX_HAS_EHSC_FLAG)
>>>>> >> @@ -26,6 +10,7 @@ check_cxx_compiler_flag(/EHs-
>>>>> >>  check_cxx_compiler_flag(/EHa-
>>>>> >> LIBCXX_HAS_NO_EHA_FLAG)
>>>>> >>  check_cxx_compiler_flag(/GR-
>>>>> >> LIBCXX_HAS_NO_GR_FLAG)
>>>>> >>
>>>>> >> +
>>>>> >>  # Check libraries
>>>>> >>  check_library_exists(pthread pthread_create ""
>>>>> >> LIBCXX_HAS_PTHREAD_LIB)
>>>>> >>  check_library_exists(c printf "" LIBCXX_HAS_C_LIB)
>>>>> >>
>>>>> >> Modified: libcxx/trunk/lib/CMakeLists.txt
>>>>> >> URL:
>>>>> >>
>>>>> >> http://llvm.org/viewvc/llvm-project/libcxx/trunk/lib/CMakeLists.txt?rev=243574&r1=243573&r2=243574&view=diff
>>>>> >>
>>>>> >>
>>>>> >>
>>>>> >> ==============================================================================
>>>>> >> --- libcxx/trunk/lib/CMakeLists.txt (original)
>>>>> >> +++ libcxx/trunk/lib/CMakeLists.txt Wed Jul 29 16:07:28 2015
>>>>> >> @@ -25,48 +25,23 @@ if (MSVC_IDE OR XCODE)
>>>>> >>  endif()
>>>>> >>
>>>>> >>  if (LIBCXX_ENABLE_SHARED)
>>>>> >> -  add_library(cxx SHARED
>>>>> >> -    ${LIBCXX_SOURCES}
>>>>> >> -    ${LIBCXX_HEADERS}
>>>>> >> -    )
>>>>> >> +  add_library(cxx SHARED ${LIBCXX_SOURCES} ${LIBCXX_HEADERS})
>>>>> >>  else()
>>>>> >> -  add_library(cxx STATIC
>>>>> >> -    ${LIBCXX_SOURCES}
>>>>> >> -    ${LIBCXX_HEADERS}
>>>>> >> -    )
>>>>> >> -endif()
>>>>> >> -
>>>>> >> -#if LIBCXX_CXX_ABI_LIBRARY_PATH is defined we want to add it to the
>>>>> >> search path.
>>>>> >> -if (DEFINED LIBCXX_CXX_ABI_LIBRARY_PATH)
>>>>> >> -  target_link_libraries(cxx "-L${LIBCXX_CXX_ABI_LIBRARY_PATH}")
>>>>> >> +  add_library(cxx STATIC ${LIBCXX_SOURCES} ${LIBCXX_HEADERS})
>>>>> >>  endif()
>>>>> >>
>>>>> >>  if (DEFINED LIBCXX_CXX_ABI_DEPS)
>>>>> >>    add_dependencies(cxx LIBCXX_CXX_ABI_DEPS)
>>>>> >>  endif()
>>>>> >>
>>>>> >> -set(libraries "")
>>>>> >> -if (LIBCXX_ENABLE_STATIC_ABI_LIBRARY)
>>>>> >> -    # TODO(ericwf): Remove these GNU specific linker flags and let
>>>>> >> CMake
>>>>> >> do the
>>>>> >> -    # configuration. This will be more portable.
>>>>> >> -    list(APPEND libraries "-Wl,--whole-archive" "-Wl,-Bstatic")
>>>>> >> -    list(APPEND libraries "${LIBCXX_CXX_ABI_LIBRARY}")
>>>>> >> -    list(APPEND libraries "-Wl,-Bdynamic" "-Wl,--no-whole-archive")
>>>>> >> -else()
>>>>> >> -    list(APPEND libraries "${LIBCXX_CXX_ABI_LIBRARY}")
>>>>> >> -endif()
>>>>> >> +#if LIBCXX_CXX_ABI_LIBRARY_PATH is defined we want to add it to the
>>>>> >> search path.
>>>>> >> +add_link_flags_if(LIBCXX_CXX_ABI_LIBRARY_PATH
>>>>> >> "-L${LIBCXX_CXX_ABI_LIBRARY_PATH}")
>>>>> >>
>>>>> >> -# Generate library list.
>>>>> >> -append_if(libraries LIBCXX_HAS_PTHREAD_LIB pthread)
>>>>> >> -append_if(libraries LIBCXX_HAS_C_LIB c)
>>>>> >> -append_if(libraries LIBCXX_HAS_M_LIB m)
>>>>> >> -append_if(libraries LIBCXX_HAS_RT_LIB rt)
>>>>> >> -append_if(libraries LIBCXX_HAS_GCC_S_LIB gcc_s)
>>>>> >> +add_library_flags_if(LIBCXX_COVERAGE_LIBRARY
>>>>> >> "${LIBCXX_COVERAGE_LIBRARY}")
>>>>> >>
>>>>> >> -if (LIBCXX_COVERAGE_LIBRARY)
>>>>> >> -  target_link_libraries(cxx ${LIBCXX_COVERAGE_LIBRARY})
>>>>> >> -endif()
>>>>> >> -target_link_libraries(cxx ${libraries})
>>>>> >> +add_library_flags_if(LIBCXX_ENABLE_STATIC_ABI_LIBRARY
>>>>> >> "-Wl,--whole-archive" "-Wl,-Bstatic")
>>>>> >> +add_library_flags("${LIBCXX_CXX_ABI_LIBRARY}")
>>>>> >> +add_library_flags_if(LIBCXX_ENABLE_STATIC_ABI_LIBRARY
>>>>> >> "-Wl,-Bdynamic"
>>>>> >> "-Wl,--no-whole-archive")
>>>>> >>
>>>>> >>  if (APPLE AND LLVM_USE_SANITIZER)
>>>>> >>    if ("${LLVM_USE_SANITIZER}" STREQUAL "Address")
>>>>> >> @@ -89,15 +64,21 @@ if (APPLE AND LLVM_USE_SANITIZER)
>>>>> >>      set(LIBCXX_SANITIZER_LIBRARY "${LIBDIR}/${LIBFILE}")
>>>>> >>      set(LIBCXX_SANITIZER_LIBRARY "${LIBCXX_SANITIZER_LIBRARY}"
>>>>> >> PARENT_SCOPE)
>>>>> >>      message(STATUS "Manually linking compiler-rt library:
>>>>> >> ${LIBCXX_SANITIZER_LIBRARY}")
>>>>> >> -    target_link_libraries(cxx "${LIBCXX_SANITIZER_LIBRARY}")
>>>>> >> -    target_link_libraries(cxx "-Wl,-rpath,${LIBDIR}")
>>>>> >> +    add_library_flags("${LIBCXX_SANITIZER_LIBRARY}")
>>>>> >> +    add_link_flags("-Wl,-rpath,${LIBDIR}")
>>>>> >>    endif()
>>>>> >>  endif()
>>>>> >>
>>>>> >> +# Generate library list.
>>>>> >> +add_library_flags_if(LIBCXX_HAS_PTHREAD_LIB pthread)
>>>>> >> +add_library_flags_if(LIBCXX_HAS_C_LIB c)
>>>>> >> +add_library_flags_if(LIBCXX_HAS_M_LIB m)
>>>>> >> +add_library_flags_if(LIBCXX_HAS_RT_LIB rt)
>>>>> >> +add_library_flags_if(LIBCXX_HAS_GCC_S_LIB gcc_s)
>>>>> >>
>>>>> >>  # Setup flags.
>>>>> >> -append_if(LIBCXX_COMPILE_FLAGS LIBCXX_HAS_FPIC_FLAG -fPIC)
>>>>> >> -append_if(LIBCXX_LINK_FLAGS LIBCXX_HAS_NODEFAULTLIBS_FLAG
>>>>> >> -nodefaultlibs)
>>>>> >> +add_flags_if_supported(-fPIC)
>>>>> >> +add_link_flags_if_supported(-nodefaultlibs)
>>>>> >>
>>>>> >>  if ( APPLE AND (LIBCXX_CXX_ABI_LIBNAME STREQUAL "libcxxabi" OR
>>>>> >>                  LIBCXX_CXX_ABI_LIBNAME STREQUAL "none"))
>>>>> >> @@ -106,8 +87,8 @@ if ( APPLE AND (LIBCXX_CXX_ABI_LIBNAME S
>>>>> >>    endif()
>>>>> >>
>>>>> >>    if ( CMAKE_OSX_DEPLOYMENT_TARGET STREQUAL "10.6" )
>>>>> >> -    list(APPEND LIBCXX_COMPILE_FLAGS "-U__STRICT_ANSI__")
>>>>> >> -    list(APPEND LIBCXX_LINK_FLAGS
>>>>> >> +    add_definitions(-D__STRICT_ANSI__)
>>>>> >> +    add_link_flags(
>>>>> >>        "-compatibility_version 1"
>>>>> >>        "-current_version 1"
>>>>> >>        "-install_name /usr/lib/libc++.1.dylib"
>>>>> >> @@ -129,7 +110,7 @@ if ( APPLE AND (LIBCXX_CXX_ABI_LIBNAME S
>>>>> >>        set (OSX_RE_EXPORT_LINE "/usr/lib/libc++abi.dylib
>>>>> >>
>>>>> >> -Wl,-reexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/libc++abi${LIBCXX_LIBCPPABI_VERSION}.exp")
>>>>> >>      endif()
>>>>> >>
>>>>> >> -    list(APPEND LIBCXX_LINK_FLAGS
>>>>> >> +    add_link_flags(
>>>>> >>        "-compatibility_version 1"
>>>>> >>        "-install_name /usr/lib/libc++.1.dylib"
>>>>> >>
>>>>> >>
>>>>> >> "-Wl,-unexported_symbols_list,${CMAKE_CURRENT_SOURCE_DIR}/libc++unexp.exp"
>>>>> >> @@ -139,8 +120,9 @@ if ( APPLE AND (LIBCXX_CXX_ABI_LIBNAME S
>>>>> >>    endif()
>>>>> >>  endif()
>>>>> >>
>>>>> >> -string(REPLACE ";" " " LIBCXX_COMPILE_FLAGS
>>>>> >> "${LIBCXX_COMPILE_FLAGS}")
>>>>> >> -string(REPLACE ";" " " LIBCXX_LINK_FLAGS "${LIBCXX_LINK_FLAGS}")
>>>>> >> +target_link_libraries(cxx ${LIBCXX_LIBRARIES})
>>>>> >> +split_list(LIBCXX_COMPILE_FLAGS)
>>>>> >> +split_list(LIBCXX_LINK_FLAGS)
>>>>> >>
>>>>> >>  set_target_properties(cxx
>>>>> >>    PROPERTIES
>>>>> >>
>>>>> >> Modified: libcxx/trunk/test/CMakeLists.txt
>>>>> >> URL:
>>>>> >>
>>>>> >> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/CMakeLists.txt?rev=243574&r1=243573&r2=243574&view=diff
>>>>> >>
>>>>> >>
>>>>> >>
>>>>> >> ==============================================================================
>>>>> >> --- libcxx/trunk/test/CMakeLists.txt (original)
>>>>> >> +++ libcxx/trunk/test/CMakeLists.txt Wed Jul 29 16:07:28 2015
>>>>> >> @@ -6,84 +6,47 @@ macro(pythonize_bool var)
>>>>> >>    endif()
>>>>> >>  endmacro()
>>>>> >>
>>>>> >> -set(LIT_EXECUTABLE "" CACHE FILEPATH "Path to LLVM's llvm-lit.")
>>>>> >> +set(LIBCXX_LIT_VARIANT "libcxx" CACHE STRING
>>>>> >> +    "Configuration variant to use for LIT.")
>>>>> >>
>>>>> >> -if(LIBCXX_BUILT_STANDALONE)
>>>>> >> -  # Make sure we can use the console pool for recent cmake and
>>>>> >> ninja >
>>>>> >> 1.5
>>>>> >> -  if(CMAKE_VERSION VERSION_LESS 3.1.20141117)
>>>>> >> -    set(cmake_3_2_USES_TERMINAL)
>>>>> >> -  else()
>>>>> >> -    set(cmake_3_2_USES_TERMINAL USES_TERMINAL)
>>>>> >> -  endif()
>>>>> >> -else()
>>>>> >> -  include(FindPythonInterp)
>>>>> >> -  if(PYTHONINTERP_FOUND)
>>>>> >> -    set(LIT_EXECUTABLE
>>>>> >> -        ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/utils/lit/lit.py)
>>>>> >> -  else()
>>>>> >> -    message(WARNING "Could not find Python, cannot set
>>>>> >> LIT_EXECUTABLE.")
>>>>> >> -  endif()
>>>>> >> +pythonize_bool(LIBCXX_ENABLE_EXCEPTIONS)
>>>>> >> +pythonize_bool(LIBCXX_ENABLE_RTTI)
>>>>> >> +pythonize_bool(LIBCXX_ENABLE_SHARED)
>>>>> >> +pythonize_bool(LIBCXX_BUILD_32_BITS)
>>>>> >> +pythonize_bool(LIBCXX_ENABLE_GLOBAL_FILESYSTEM_NAMESPACE)
>>>>> >> +pythonize_bool(LIBCXX_ENABLE_STDIN)
>>>>> >> +pythonize_bool(LIBCXX_ENABLE_STDOUT)
>>>>> >> +pythonize_bool(LIBCXX_ENABLE_THREADS)
>>>>> >> +pythonize_bool(LIBCXX_ENABLE_THREAD_UNSAFE_C_FUNCTIONS)
>>>>> >> +pythonize_bool(LIBCXX_ENABLE_MONOTONIC_CLOCK)
>>>>> >> +pythonize_bool(LIBCXX_GENERATE_COVERAGE)
>>>>> >> +pythonize_bool(LIBCXXABI_USE_LLVM_UNWINDER)
>>>>> >> +
>>>>> >> +# The tests shouldn't link to any ABI library when it has been
>>>>> >> linked
>>>>> >> into
>>>>> >> +# libc++ statically.
>>>>> >> +if (LIBCXX_ENABLE_STATIC_ABI_LIBRARY)
>>>>> >> +  set(LIBCXX_CXX_ABI_LIBNAME "none")
>>>>> >>  endif()
>>>>> >> -
>>>>> >> -if (LIT_EXECUTABLE)
>>>>> >> -  set(LIT_ARGS_DEFAULT "-sv --show-unsupported --show-xfail")
>>>>> >> -  if (MSVC OR XCODE)
>>>>> >> -    set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
>>>>> >> -  endif()
>>>>> >> -  set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}"
>>>>> >> -      CACHE STRING "Default options for lit")
>>>>> >> -  set(LIT_ARGS "${LLVM_LIT_ARGS}")
>>>>> >> -  separate_arguments(LIT_ARGS)
>>>>> >> -
>>>>> >> -  set(LIBCXX_LIT_VARIANT "libcxx" CACHE STRING
>>>>> >> -      "Configuration variant to use for LIT.")
>>>>> >> -
>>>>> >> -  pythonize_bool(LIBCXX_ENABLE_EXCEPTIONS)
>>>>> >> -  pythonize_bool(LIBCXX_ENABLE_RTTI)
>>>>> >> -  pythonize_bool(LIBCXX_ENABLE_SHARED)
>>>>> >> -  pythonize_bool(LIBCXX_BUILD_32_BITS)
>>>>> >> -  pythonize_bool(LIBCXX_ENABLE_GLOBAL_FILESYSTEM_NAMESPACE)
>>>>> >> -  pythonize_bool(LIBCXX_ENABLE_STDIN)
>>>>> >> -  pythonize_bool(LIBCXX_ENABLE_STDOUT)
>>>>> >> -  pythonize_bool(LIBCXX_ENABLE_THREADS)
>>>>> >> -  pythonize_bool(LIBCXX_ENABLE_THREAD_UNSAFE_C_FUNCTIONS)
>>>>> >> -  pythonize_bool(LIBCXX_ENABLE_MONOTONIC_CLOCK)
>>>>> >> -  pythonize_bool(LIBCXX_GENERATE_COVERAGE)
>>>>> >> -  pythonize_bool(LIBCXXABI_USE_LLVM_UNWINDER)
>>>>> >> -
>>>>> >> -  # The tests shouldn't link to any ABI library when it has been
>>>>> >> linked
>>>>> >> into
>>>>> >> -  # libc++ statically.
>>>>> >> -  if (LIBCXX_ENABLE_STATIC_ABI_LIBRARY)
>>>>> >> -    set(LIBCXX_CXX_ABI_LIBNAME "none")
>>>>> >> -  endif()
>>>>> >> -  set(LIBCXX_TARGET_INFO "libcxx.test.target_info.LocalTI" CACHE
>>>>> >> STRING
>>>>> >> -      "TargetInfo to use when setting up test environment.")
>>>>> >> -  set(LIBCXX_EXECUTOR "None" CACHE STRING
>>>>> >> -      "Executor to use when running tests.")
>>>>> >> -
>>>>> >> -  set(AUTO_GEN_COMMENT "## Autogenerated by libcxx
>>>>> >> configuration.\n# Do
>>>>> >> not edit!")
>>>>> >> -
>>>>> >> -  configure_file(
>>>>> >> -    ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in
>>>>>
>>>>> >>
>>>>> >> -    ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
>>>>> >> -    @ONLY)
>>>>> >> -
>>>>> >> -  add_custom_target(check-libcxx
>>>>> >> -    COMMAND ${LIT_EXECUTABLE}
>>>>> >> -            ${LIT_ARGS}
>>>>> >> -            ${CMAKE_CURRENT_BINARY_DIR}
>>>>> >> -    DEPENDS cxx
>>>>> >> -    COMMENT "Running libcxx tests"
>>>>> >> -    ${cmake_3_2_USES_TERMINAL})
>>>>> >> -
>>>>> >> -  if (LIBCXX_GENERATE_COVERAGE)
>>>>> >> -    include(CodeCoverage)
>>>>> >> -    set(output_dir "${CMAKE_CURRENT_BINARY_DIR}/coverage")
>>>>> >> -    set(capture_dirs
>>>>> >> "${LIBCXX_LIB_CMAKEFILES_DIR}/cxx.dir/;${CMAKE_CURRENT_BINARY_DIR}")
>>>>> >> -    set(extract_dirs
>>>>> >> "${LIBCXX_SOURCE_DIR}/include;${LIBCXX_SOURCE_DIR}/src")
>>>>> >> -    setup_lcov_test_target_coverage("cxx" "${output_dir}"
>>>>> >> "${capture_dirs}" "${extract_dirs}")
>>>>> >> -  endif()
>>>>> >> -else()
>>>>> >> -  message(WARNING
>>>>> >> -          "LIT_EXECUTABLE not set, no check-libcxx target will be
>>>>> >> available!")
>>>>> >> +set(LIBCXX_TARGET_INFO "libcxx.test.target_info.LocalTI" CACHE
>>>>> >> STRING
>>>>> >> +    "TargetInfo to use when setting up test environment.")
>>>>> >> +set(LIBCXX_EXECUTOR "None" CACHE STRING
>>>>> >> +    "Executor to use when running tests.")
>>>>> >> +
>>>>> >> +set(AUTO_GEN_COMMENT "## Autogenerated by libcxx configuration.\n#
>>>>> >> Do not
>>>>> >> edit!")
>>>>> >> +
>>>>> >> +configure_file(
>>>>> >> +  ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in
>>>>> >> +  ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
>>>>> >> +  @ONLY)
>>>>> >> +
>>>>> >> +add_lit_testsuite(check-libcxx "Running libcxx tests"
>>>>> >> +  ${CMAKE_CURRENT_BINARY_DIR}
>>>>> >> +  DEPENDS cxx)
>>>>> >> +
>>>>> >> +if (LIBCXX_GENERATE_COVERAGE)
>>>>> >> +  include(CodeCoverage)
>>>>> >> +  set(output_dir "${CMAKE_CURRENT_BINARY_DIR}/coverage")
>>>>> >> +  set(capture_dirs
>>>>> >> "${LIBCXX_LIB_CMAKEFILES_DIR}/cxx.dir/;${CMAKE_CURRENT_BINARY_DIR}")
>>>>> >> +  set(extract_dirs
>>>>> >> "${LIBCXX_SOURCE_DIR}/include;${LIBCXX_SOURCE_DIR}/src")
>>>>> >> +  setup_lcov_test_target_coverage("cxx" "${output_dir}"
>>>>> >> "${capture_dirs}"
>>>>> >> "${extract_dirs}")
>>>>> >>  endif()
>>>>> >>
>>>>> >> Modified: libcxx/trunk/test/lit.site.cfg.in
>>>>> >> URL:
>>>>> >>
>>>>> >> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/lit.site.cfg.in?rev=243574&r1=243573&r2=243574&view=diff
>>>>> >>
>>>>> >>
>>>>> >> ==============================================================================
>>>>> >> --- libcxx/trunk/test/lit.site.cfg.in (original)
>>>>> >> +++ libcxx/trunk/test/lit.site.cfg.in Wed Jul 29 16:07:28 2015
>>>>> >> @@ -1,6 +1,5 @@
>>>>> >>  @AUTO_GEN_COMMENT@
>>>>> >>  config.cxx_under_test           = "@LIBCXX_COMPILER@"
>>>>> >> -config.std                      = "@LIBCXX_STD_VERSION@"
>>>>> >>  config.libcxx_src_root          = "@LIBCXX_SOURCE_DIR@"
>>>>> >>  config.libcxx_obj_root          = "@LIBCXX_BINARY_DIR@"
>>>>> >>  config.cxx_library_root         = "@LIBCXX_LIBRARY_DIR@"
>>>>> >>
>>>>> >> Modified: libcxx/trunk/www/index.html
>>>>> >> URL:
>>>>> >>
>>>>> >> http://llvm.org/viewvc/llvm-project/libcxx/trunk/www/index.html?rev=243574&r1=243573&r2=243574&view=diff
>>>>> >>
>>>>> >>
>>>>> >> ==============================================================================
>>>>> >> --- libcxx/trunk/www/index.html (original)
>>>>> >> +++ libcxx/trunk/www/index.html Wed Jul 29 16:07:28 2015
>>>>> >> @@ -184,26 +184,30 @@
>>>>> >>
>>>>> >>    <p>In-tree build:</p>
>>>>> >>    <ul>
>>>>> >> +    <li><code>cd where-you-want-to-live</code></li>
>>>>> >>      <li>Check out libcxx and <a
>>>>> >> href="http://libcxxabi.llvm.org/">libcxxabi</a>
>>>>> >>        into llvm/projects</li>
>>>>> >> -    <li><code>cd llvm</code></li>
>>>>> >> +    <li><code>cd where-you-want-to-build</code></li>
>>>>> >>      <li><code>mkdir build && cd build</code></li>
>>>>> >> -    <li><code>cmake .. # Linux may require -DCMAKE_C_COMPILER=clang
>>>>> >> +    <li><code>cmake path/to/llvm # Linux may require
>>>>> >> -DCMAKE_C_COMPILER=clang
>>>>> >>          -DCMAKE_CXX_COMPILER=clang++</code></li>
>>>>> >>      <li><code>make cxx</code></li>
>>>>> >>    </ul>
>>>>> >>
>>>>> >> -  <p>Out-of-tree build:</p>
>>>>> >> +  <p>Out-of-tree buildc:</p>
>>>>> >>    <ul>
>>>>> >> -    <li>Check out libcxx</li>
>>>>> >> +    <li><code>cd where-you-want-to-live</code></li>
>>>>> >> +    <li>Check out libcxx and llvm</li>
>>>>> >>      <li>If not on a Mac, also check out
>>>>> >>        <a href="http://libcxxabi.llvm.org/">libcxxabi</a></li>
>>>>>
>>>>> >> -    <li><code>cd libcxx</code></li>
>>>>> >> +    <li><code>cd where-you-want-to-build</code></li>
>>>>> >>      <li><code>mkdir build && cd build</code></li>
>>>>> >> -    <li><code>cmake -DLIBCXX_CXX_ABI=libcxxabi
>>>>> >> +    <li><code>cmake -DLLVM_PATH=path/to/llvm
>>>>> >> +        -DLIBCXX_CXX_ABI=libcxxabi
>>>>> >>          -DLIBCXX_CXX_ABI_INCLUDE_PATHS=path/to/libcxxabi/include
>>>>> >> -        -DLIT_EXECUTABLE=path/to/llvm/utils/lit/lit.py .. # Linux
>>>>> >> may
>>>>> >> require
>>>>> >> -        -DCMAKE_C_COMPILER=clang
>>>>> >> -DCMAKE_CXX_COMPILER=clang++</code></li>
>>>>> >> +        -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++
>>>>> >> +        path/to/libcxx
>>>>> >> +    </code></li>
>>>>> >>      <li><code>make</code></li>
>>>>> >>    </ul>
>>>>> >>
>>>>> >>
>>>>> >>
>>>>> >> _______________________________________________
>>>>> >> cfe-commits mailing list
>>>>> >> cfe-commits at cs.uiuc.edu
>>>>> >> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
>>>>> >
>>>>> >
>>>>> >
>>>>> > _______________________________________________
>>>>> > cfe-commits mailing list
>>>>> > cfe-commits at cs.uiuc.edu
>>>>> > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
>>>>> >
>>>>
>>>>
>>>
>>>
>>>
>>> --
>>> Alexey Samsonov, Mountain View, CA
>>
>>
>> _______________________________________________
>> cfe-commits mailing list
>> cfe-commits at cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
>>
>
>
>
> --
> Alexey Samsonov
> vonosmas at gmail.com



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