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517870a4a11f660c71d3901818fbb09798cb2d7d
test2/build_files/cmake/platform/platform_apple.cmake
Sergey Sharybin 517870a4a1 CMake: Refactor external dependencies handling 
This is a more correct fix to the issue Brecht was fixing in D6600.

While the fix in that patch worked fine for linking it broke ASAN
runtime under some circumstances.
For example, `make full debug developer` would compile, but trying
to start blender will cause assert failure in ASAN (related on check
that ASAN is not running already).

Top-level idea: leave it to CMake to keep track of dependency graph.

The root of the issue comes to the fact that target like "blender" is
configured to use a lot of static libraries coming from Blender sources
and to use external static libraries. There is nothing which ensures
order between blender's and external libraries. Only order of blender
libraries is guaranteed.

It was possible that due to a cycle or other circumstances some of
blender libraries would have been passed to linker after libraries
it uses, causing linker errors.

For example, this order will likely fail:

  libbf_blenfont.a libfreetype6.a libbf_blenfont.a

This change makes it so blender libraries are explicitly provided
their dependencies to an external libraries, which allows CMake to
ensure they are always linked against them.

General rule here: if bf_foo depends on an external library it is
to be provided to LIBS for bf_foo.
For example, if bf_blenkernel depends on opensubdiv then LIBS in
blenkernel's CMakeLists.txt is to include OPENSUBDIB_LIBRARIES.

The change is made based on searching for used include folders
such as OPENSUBDIV_INCLUDE_DIRS and adding corresponding libraries
to LIBS ion that CMakeLists.txt. Transitive dependencies are not
simplified by this approach, but I am not aware of any downside of
this: CMake should be smart enough to simplify them on its side.
And even if not, this shouldn't affect linking time.

Benefit of not relying on transitive dependencies is that build
system is more robust towards future changes. For example, if
bf_intern_opensubiv is no longer depends on OPENSUBDIV_LIBRARIES
and all such code is moved to bf_blenkernel this will not break
linking.

The not-so-trivial part is change to blender_add_lib (and its
version in Cycles). The complexity is caused by libraries being
provided as a single list argument which doesn't allow to use
different release and debug libraries on Windows. The idea is:

- Have every library prefixed as "optimized" or "debug" if
  separation is needed (non-prefixed libraries will be considered
  "generic").

- Loop through libraries passed to function and do simple parsing
  which will look for "optimized" and "debug" words and specify
  following library to corresponding category.

This isn't something particularly great. Alternative would be to
use target_link_libraries() directly, which sounds like more code
but which is more explicit and allows to have more flexibility
and control comparing to wrapper approach.

Tested the following configurations on Linux, macOS and Windows:

- make full debug developer
- make full release developer
- make lite debug developer
- make lite release developer

NOTE: Linux libraries needs to be compiled with D6641 applied,
otherwise, depending on configuration, it's possible to run into
duplicated zlib symbols error.

Differential Revision: https://developer.blender.org/D6642
2020-01-23 16:59:18 +01:00

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# ***** BEGIN GPL LICENSE BLOCK *****
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# The Original Code is Copyright (C) 2016, Blender Foundation
# All rights reserved.
# ***** END GPL LICENSE BLOCK *****
# Libraries configuration for Apple.
set(MACOSX_DEPLOYMENT_TARGET "10.11")
macro(find_package_wrapper)
# do nothing, just satisfy the macro
endmacro()
if(NOT DEFINED LIBDIR)
set(LIBDIR ${CMAKE_SOURCE_DIR}/../lib/darwin)
# Prefer lib directory paths
file(GLOB LIB_SUBDIRS ${LIBDIR}/*)
set(CMAKE_PREFIX_PATH ${LIB_SUBDIRS})
else()
message(STATUS "Using pre-compiled LIBDIR: ${LIBDIR}")
endif()
if(NOT EXISTS "${LIBDIR}/")
message(FATAL_ERROR "Mac OSX requires pre-compiled libs at: '${LIBDIR}'")
endif()
if(WITH_OPENAL)
find_package(OpenAL)
if(OPENAL_FOUND)
set(WITH_OPENAL ON)
else()
set(WITH_OPENAL OFF)
endif()
endif()
if(WITH_ALEMBIC)
set(ALEMBIC ${LIBDIR}/alembic)
set(ALEMBIC_INCLUDE_DIR ${ALEMBIC}/include)
set(ALEMBIC_INCLUDE_DIRS ${ALEMBIC_INCLUDE_DIR})
set(ALEMBIC_LIBPATH ${ALEMBIC}/lib)
set(ALEMBIC_LIBRARIES Alembic)
set(ALEMBIC_FOUND ON)
endif()
if(WITH_USD)
find_package(USD)
if(NOT USD_FOUND)
set(WITH_USD OFF)
endif()
endif()
if(WITH_OPENSUBDIV)
set(OPENSUBDIV ${LIBDIR}/opensubdiv)
set(OPENSUBDIV_LIBPATH ${OPENSUBDIV}/lib)
find_library(OSD_LIB_CPU NAMES osdCPU PATHS ${OPENSUBDIV_LIBPATH})
find_library(OSD_LIB_GPU NAMES osdGPU PATHS ${OPENSUBDIV_LIBPATH})
set(OPENSUBDIV_INCLUDE_DIR ${OPENSUBDIV}/include)
set(OPENSUBDIV_INCLUDE_DIRS ${OPENSUBDIV_INCLUDE_DIR})
list(APPEND OPENSUBDIV_LIBRARIES ${OSD_LIB_CPU} ${OSD_LIB_GPU})
endif()
if(WITH_JACK)
find_library(JACK_FRAMEWORK
NAMES jackmp
)
set(JACK_INCLUDE_DIRS ${JACK_FRAMEWORK}/headers)
if(NOT JACK_FRAMEWORK)
set(WITH_JACK OFF)
endif()
endif()
if(WITH_CODEC_SNDFILE)
set(LIBSNDFILE ${LIBDIR}/sndfile)
set(LIBSNDFILE_INCLUDE_DIRS ${LIBSNDFILE}/include)
set(LIBSNDFILE_LIBRARIES sndfile FLAC ogg vorbis vorbisenc)
set(LIBSNDFILE_LIBPATH ${LIBSNDFILE}/lib ${LIBDIR}/ffmpeg/lib) # TODO, deprecate
endif()
if(WITH_PYTHON)
# we use precompiled libraries for py 3.7 and up by default
set(PYTHON_VERSION 3.7)
if(NOT WITH_PYTHON_MODULE AND NOT WITH_PYTHON_FRAMEWORK)
# normally cached but not since we include them with blender
set(PYTHON_INCLUDE_DIR "${LIBDIR}/python/include/python${PYTHON_VERSION}m")
set(PYTHON_EXECUTABLE "${LIBDIR}/python/bin/python${PYTHON_VERSION}m")
set(PYTHON_LIBRARY ${LIBDIR}/python/lib/libpython${PYTHON_VERSION}m.a)
set(PYTHON_LIBPATH "${LIBDIR}/python/lib/python${PYTHON_VERSION}")
# set(PYTHON_LINKFLAGS "-u _PyMac_Error") # won't build with this enabled
else()
# module must be compiled against Python framework
set(_py_framework "/Library/Frameworks/Python.framework/Versions/${PYTHON_VERSION}")
set(PYTHON_INCLUDE_DIR "${_py_framework}/include/python${PYTHON_VERSION}m")
set(PYTHON_EXECUTABLE "${_py_framework}/bin/python${PYTHON_VERSION}m")
set(PYTHON_LIBPATH "${_py_framework}/lib/python${PYTHON_VERSION}/config-${PYTHON_VERSION}m")
# set(PYTHON_LIBRARY python${PYTHON_VERSION})
# set(PYTHON_LINKFLAGS "-u _PyMac_Error -framework Python") # won't build with this enabled
unset(_py_framework)
endif()
# uncached vars
set(PYTHON_INCLUDE_DIRS "${PYTHON_INCLUDE_DIR}")
set(PYTHON_LIBRARIES "${PYTHON_LIBRARY}")
# needed for Audaspace, numpy is installed into python site-packages
set(PYTHON_NUMPY_INCLUDE_DIRS "${PYTHON_LIBPATH}/site-packages/numpy/core/include")
if(NOT EXISTS "${PYTHON_EXECUTABLE}")
message(FATAL_ERROR "Python executable missing: ${PYTHON_EXECUTABLE}")
endif()
endif()
if(WITH_FFTW3)
set(FFTW3 ${LIBDIR}/fftw3)
set(FFTW3_INCLUDE_DIRS ${FFTW3}/include)
set(FFTW3_LIBRARIES fftw3)
set(FFTW3_LIBPATH ${FFTW3}/lib)
endif()
set(ZLIB /usr)
set(ZLIB_INCLUDE_DIRS "${ZLIB}/include")
set(ZLIB_LIBRARIES z bz2)
set(PNG_LIBRARIES png ${ZLIB_LIBRARIES})
set(JPEG_LIBRARIES jpeg)
set(FREETYPE ${LIBDIR}/freetype)
set(FREETYPE_INCLUDE_DIRS ${FREETYPE}/include ${FREETYPE}/include/freetype2)
set(FREETYPE_LIBPATH ${FREETYPE}/lib)
set(FREETYPE_LIBRARY freetype)
if(WITH_IMAGE_OPENEXR)
set(OPENEXR ${LIBDIR}/openexr)
set(OPENEXR_INCLUDE_DIR ${OPENEXR}/include)
set(OPENEXR_INCLUDE_DIRS ${OPENEXR_INCLUDE_DIR} ${OPENEXR}/include/OpenEXR)
set(OPENEXR_LIBRARIES
Iex
Half
IlmImf
Imath
IlmThread)
set(OPENEXR_LIBPATH ${OPENEXR}/lib)
endif()
if(WITH_CODEC_FFMPEG)
set(FFMPEG ${LIBDIR}/ffmpeg)
set(FFMPEG_INCLUDE_DIRS ${FFMPEG}/include)
set(FFMPEG_LIBRARIES
avcodec avdevice avformat avutil
mp3lame swscale x264 xvidcore
theora theoradec theoraenc
vorbis vorbisenc vorbisfile ogg opus
vpx swresample)
set(FFMPEG_LIBPATH ${FFMPEG}/lib)
endif()
if(WITH_IMAGE_OPENJPEG OR WITH_CODEC_FFMPEG)
# use openjpeg from libdir that is linked into ffmpeg
set(OPENJPEG ${LIBDIR}/openjpeg)
set(OPENJPEG_INCLUDE_DIRS ${OPENJPEG}/include)
set(OPENJPEG_LIBRARIES ${OPENJPEG}/lib/libopenjp2.a)
endif()
find_library(SYSTEMSTUBS_LIBRARY
NAMES
SystemStubs
PATHS
)
mark_as_advanced(SYSTEMSTUBS_LIBRARY)
if(SYSTEMSTUBS_LIBRARY)
list(APPEND PLATFORM_LINKLIBS SystemStubs)
endif()
set(PLATFORM_CFLAGS "-pipe -funsigned-char")
set(PLATFORM_LINKFLAGS
"-fexceptions -framework CoreServices -framework Foundation -framework IOKit -framework AppKit -framework Cocoa -framework Carbon -framework AudioUnit -framework AudioToolbox -framework CoreAudio -framework Metal -framework QuartzCore"
)
list(APPEND PLATFORM_LINKLIBS c++)
if(WITH_JACK)
set(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} -F/Library/Frameworks -weak_framework jackmp")
endif()
if(WITH_PYTHON_MODULE OR WITH_PYTHON_FRAMEWORK)
# force cmake to link right framework
set(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} /Library/Frameworks/Python.framework/Versions/${PYTHON_VERSION}/Python")
endif()
if(WITH_OPENCOLLADA)
set(OPENCOLLADA ${LIBDIR}/opencollada)
set(OPENCOLLADA_INCLUDE_DIRS
${LIBDIR}/opencollada/include/COLLADAStreamWriter
${LIBDIR}/opencollada/include/COLLADABaseUtils
${LIBDIR}/opencollada/include/COLLADAFramework
${LIBDIR}/opencollada/include/COLLADASaxFrameworkLoader
${LIBDIR}/opencollada/include/GeneratedSaxParser
)
set(OPENCOLLADA_LIBPATH ${OPENCOLLADA}/lib)
set(OPENCOLLADA_LIBRARIES
OpenCOLLADASaxFrameworkLoader
-lOpenCOLLADAFramework
-lOpenCOLLADABaseUtils
-lOpenCOLLADAStreamWriter
-lMathMLSolver
-lGeneratedSaxParser
-lbuffer -lftoa -lUTF
${OPENCOLLADA_LIBPATH}/libxml2.a
)
# PCRE is bundled with openCollada
# set(PCRE ${LIBDIR}/pcre)
# set(PCRE_LIBPATH ${PCRE}/lib)
set(PCRE_LIBRARIES pcre)
endif()
if(WITH_SDL)
set(SDL ${LIBDIR}/sdl)
set(SDL_INCLUDE_DIR ${SDL}/include)
set(SDL_LIBRARY SDL2)
set(SDL_LIBPATH ${SDL}/lib)
set(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} -framework ForceFeedback")
endif()
set(PNG "${LIBDIR}/png")
set(PNG_INCLUDE_DIRS "${PNG}/include")
set(PNG_LIBPATH ${PNG}/lib)
set(JPEG "${LIBDIR}/jpeg")
set(JPEG_INCLUDE_DIR "${JPEG}/include")
set(JPEG_LIBPATH ${JPEG}/lib)
if(WITH_IMAGE_TIFF)
set(TIFF ${LIBDIR}/tiff)
set(TIFF_INCLUDE_DIR ${TIFF}/include)
set(TIFF_LIBRARY tiff)
set(TIFF_LIBPATH ${TIFF}/lib)
endif()
if(WITH_BOOST)
set(BOOST ${LIBDIR}/boost)
set(BOOST_INCLUDE_DIR ${BOOST}/include)
set(BOOST_POSTFIX)
set(BOOST_LIBRARIES
boost_date_time${BOOST_POSTFIX}
boost_filesystem${BOOST_POSTFIX}
boost_regex${BOOST_POSTFIX}
boost_system${BOOST_POSTFIX}
boost_thread${BOOST_POSTFIX}
boost_wave${BOOST_POSTFIX}
)
if(WITH_INTERNATIONAL)
list(APPEND BOOST_LIBRARIES boost_locale${BOOST_POSTFIX})
endif()
if(WITH_CYCLES_NETWORK)
list(APPEND BOOST_LIBRARIES boost_serialization${BOOST_POSTFIX})
endif()
if(WITH_OPENVDB)
list(APPEND BOOST_LIBRARIES boost_iostreams${BOOST_POSTFIX})
endif()
set(BOOST_LIBPATH ${BOOST}/lib)
set(BOOST_DEFINITIONS)
endif()
if(WITH_INTERNATIONAL OR WITH_CODEC_FFMPEG)
set(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} -liconv") # boost_locale and ffmpeg needs it !
endif()
if(WITH_OPENIMAGEIO)
set(OPENIMAGEIO ${LIBDIR}/openimageio)
set(OPENIMAGEIO_INCLUDE_DIRS ${OPENIMAGEIO}/include)
set(OPENIMAGEIO_LIBRARIES
${OPENIMAGEIO}/lib/libOpenImageIO.a
${PNG_LIBRARIES}
${JPEG_LIBRARIES}
${TIFF_LIBRARY}
${OPENEXR_LIBRARIES}
${OPENJPEG_LIBRARIES}
${ZLIB_LIBRARIES}
)
set(OPENIMAGEIO_LIBPATH
${OPENIMAGEIO}/lib
${JPEG_LIBPATH}
${PNG_LIBPATH}
${TIFF_LIBPATH}
${OPENEXR_LIBPATH}
${ZLIB_LIBPATH}
)
set(OPENIMAGEIO_DEFINITIONS "-DOIIO_STATIC_BUILD")
set(OPENIMAGEIO_IDIFF "${LIBDIR}/openimageio/bin/idiff")
endif()
if(WITH_OPENCOLORIO)
set(OPENCOLORIO ${LIBDIR}/opencolorio)
set(OPENCOLORIO_INCLUDE_DIRS ${OPENCOLORIO}/include)
set(OPENCOLORIO_LIBRARIES OpenColorIO tinyxml yaml-cpp)
set(OPENCOLORIO_LIBPATH ${OPENCOLORIO}/lib)
endif()
if(WITH_OPENVDB)
set(OPENVDB ${LIBDIR}/openvdb)
set(OPENVDB_INCLUDE_DIRS ${OPENVDB}/include)
set(OPENVDB_LIBRARIES openvdb blosc)
set(OPENVDB_LIBPATH ${LIBDIR}/openvdb/lib)
set(OPENVDB_DEFINITIONS)
endif()
if(WITH_LLVM)
set(LLVM_ROOT_DIR ${LIBDIR}/llvm)
if(EXISTS "${LLVM_ROOT_DIR}/bin/llvm-config")
set(LLVM_CONFIG "${LLVM_ROOT_DIR}/bin/llvm-config")
else()
set(LLVM_CONFIG llvm-config)
endif()
execute_process(COMMAND ${LLVM_CONFIG} --version
OUTPUT_VARIABLE LLVM_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND ${LLVM_CONFIG} --prefix
OUTPUT_VARIABLE LLVM_ROOT_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND ${LLVM_CONFIG} --includedir
OUTPUT_VARIABLE LLVM_INCLUDE_DIRS
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND ${LLVM_CONFIG} --libdir
OUTPUT_VARIABLE LLVM_LIBPATH
OUTPUT_STRIP_TRAILING_WHITESPACE)
find_library(LLVM_LIBRARY
NAMES LLVMAnalysis # first of a whole bunch of libs to get
PATHS ${LLVM_LIBPATH})
if(LLVM_LIBRARY AND LLVM_ROOT_DIR AND LLVM_LIBPATH)
if(LLVM_STATIC)
# if static LLVM libraries were requested, use llvm-config to generate
# the list of what libraries we need, and substitute that in the right
# way for LLVM_LIBRARY.
execute_process(COMMAND ${LLVM_CONFIG} --libfiles
OUTPUT_VARIABLE LLVM_LIBRARY
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE ".a /" ".a;/" LLVM_LIBRARY ${LLVM_LIBRARY})
else()
set(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} -lLLVM-3.4")
endif()
else()
message(FATAL_ERROR "LLVM not found.")
endif()
endif()
if(WITH_CYCLES_OSL)
set(CYCLES_OSL ${LIBDIR}/osl)
find_library(OSL_LIB_EXEC NAMES oslexec PATHS ${CYCLES_OSL}/lib)
find_library(OSL_LIB_COMP NAMES oslcomp PATHS ${CYCLES_OSL}/lib)
find_library(OSL_LIB_QUERY NAMES oslquery PATHS ${CYCLES_OSL}/lib)
# WARNING! depends on correct order of OSL libs linking
list(APPEND OSL_LIBRARIES ${OSL_LIB_COMP} -force_load ${OSL_LIB_EXEC} ${OSL_LIB_QUERY})
find_path(OSL_INCLUDE_DIR OSL/oslclosure.h PATHS ${CYCLES_OSL}/include)
find_program(OSL_COMPILER NAMES oslc PATHS ${CYCLES_OSL}/bin)
if(OSL_INCLUDE_DIR AND OSL_LIBRARIES AND OSL_COMPILER)
set(OSL_FOUND TRUE)
else()
message(STATUS "OSL not found")
set(WITH_CYCLES_OSL OFF)
endif()
endif()
if(WITH_CYCLES_EMBREE)
find_package(Embree 3.2.4 REQUIRED)
set(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} -Xlinker -stack_size -Xlinker 0x100000")
endif()
if(WITH_OPENIMAGEDENOISE)
find_package(OpenImageDenoise)
if(NOT OPENIMAGEDENOISE_FOUND)
set(WITH_OPENIMAGEDENOISE OFF)
message(STATUS "OpenImageDenoise not found")
endif()
endif()
if(WITH_TBB)
find_package(TBB)
endif()
if(NOT WITH_TBB OR NOT TBB_FOUND)
if(WITH_OPENIMAGEDENOISE)
message(STATUS "TBB not found, disabling OpenImageDenoise")
set(WITH_OPENIMAGEDENOISE OFF)
endif()
if(WITH_OPENVDB)
message(STATUS "TBB not found, disabling OpenVDB")
set(WITH_OPENVDB OFF)
endif()
if(WITH_MOD_FLUID)
message(STATUS "TBB not found, disabling Fluid modifier")
set(WITH_MOD_FLUID OFF)
endif()
endif()
# CMake FindOpenMP doesn't know about AppleClang before 3.12, so provide custom flags.
if(WITH_OPENMP)
if(CMAKE_C_COMPILER_ID MATCHES "AppleClang" AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL "7.0")
# Use OpenMP from our precompiled libraries.
message(STATUS "Using ${LIBDIR}/openmp for OpenMP")
set(OPENMP_CUSTOM ON)
set(OPENMP_FOUND ON)
set(OpenMP_C_FLAGS "-Xclang -fopenmp -I'${LIBDIR}/openmp/include'")
set(OpenMP_CXX_FLAGS "-Xclang -fopenmp -I'${LIBDIR}/openmp/include'")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L'${LIBDIR}/openmp/lib' -lomp")
# Copy libomp.dylib to allow executables like datatoc and tests to work.
execute_process(
COMMAND mkdir -p ${CMAKE_BINARY_DIR}/Resources/lib
COMMAND cp -p ${LIBDIR}/openmp/lib/libomp.dylib ${CMAKE_BINARY_DIR}/Resources/lib/libomp.dylib)
execute_process(
COMMAND mkdir -p ${CMAKE_BINARY_DIR}/bin/Resources/lib
COMMAND cp -p ${LIBDIR}/openmp/lib/libomp.dylib ${CMAKE_BINARY_DIR}/bin/Resources/lib/libomp.dylib)
endif()
endif()
set(EXETYPE MACOSX_BUNDLE)
set(CMAKE_C_FLAGS_DEBUG "-fno-strict-aliasing -g")
set(CMAKE_CXX_FLAGS_DEBUG "-fno-strict-aliasing -g")
if(CMAKE_OSX_ARCHITECTURES MATCHES "x86_64" OR CMAKE_OSX_ARCHITECTURES MATCHES "i386")
set(CMAKE_CXX_FLAGS_RELEASE "-O2 -mdynamic-no-pic -msse -msse2 -msse3 -mssse3")
set(CMAKE_C_FLAGS_RELEASE "-O2 -mdynamic-no-pic -msse -msse2 -msse3 -mssse3")
if(NOT CMAKE_C_COMPILER_ID MATCHES "Clang")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -ftree-vectorize -fvariable-expansion-in-unroller")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -ftree-vectorize -fvariable-expansion-in-unroller")
endif()
else()
set(CMAKE_C_FLAGS_RELEASE "-mdynamic-no-pic -fno-strict-aliasing")
set(CMAKE_CXX_FLAGS_RELEASE "-mdynamic-no-pic -fno-strict-aliasing")
endif()
if(${XCODE_VERSION} VERSION_EQUAL 5 OR ${XCODE_VERSION} VERSION_GREATER 5)
# Xcode 5 is always using CLANG, which has too low template depth of 128 for libmv
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftemplate-depth=1024")
endif()
# Get rid of eventually clashes, we export some symbols explicitly as local
set(PLATFORM_LINKFLAGS
"${PLATFORM_LINKFLAGS} -Xlinker -unexported_symbols_list -Xlinker '${CMAKE_SOURCE_DIR}/source/creator/osx_locals.map'"
)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
set(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} -stdlib=libc++")
# Suppress ranlib "has no symbols" warnings (workaround for T48250)
set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> Scr <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> Scr <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_C_ARCHIVE_FINISH "<CMAKE_RANLIB> -no_warning_for_no_symbols -c <TARGET>")
set(CMAKE_CXX_ARCHIVE_FINISH "<CMAKE_RANLIB> -no_warning_for_no_symbols -c <TARGET>")
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