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

Eric Fiselier eric at efcs.ca
Wed Jul 29 16:47:41 PDT 2015


Reverted as r243593.

On Wed, Jul 29, 2015 at 7:43 PM, Eric Fiselier <eric at efcs.ca> wrote:
> I'll revert the commits now.
>
> On Jul 29, 2015 7:41 PM, "Alexey Samsonov" <vonosmas at gmail.com> wrote:
>>
>> Eric, the build still fails due to the issue with compiler identification
>> described above...
>>
>> On Wed, Jul 29, 2015 at 4:33 PM, Alexey Samsonov <vonosmas at gmail.com>
>> wrote:
>>>
>>> Trying the build now.
>>>
>>> +Brad for a weird CMake issue. Looks like CMake is unable to detect
>>> CMAKE_CXX_COMPILER_VERSION if I pass trunk Clang as CMAKE_CXX_COMPILER, and
>>> pass "-fsanitize=thread" as CMAKE_CXX_FLAGS (Compiler identification is
>>> determined as "Clang" instead
>>> of "Clang 3.8.0").
>>>
>>> On Wed, Jul 29, 2015 at 4:24 PM, Eric Fiselier <eric at efcs.ca> wrote:
>>>>
>>>> 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
>>
>> ...



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