OpenSubdiv/CMakeLists.txt
David G Yu 8babf1e12b Removed mayaPolySmooth example
Also removed the remaining Maya dependencies. These
were most useful during the early days of OpenSubdiv.
Now OpenSubdiv has been integrated directly into Maya
and these examples serve little purpose.
2016-09-06 17:08:05 -07:00

719 lines
22 KiB
CMake

#
# Copyright 2013 Pixar
#
# Licensed under the Apache License, Version 2.0 (the "Apache License")
# with the following modification; you may not use this file except in
# compliance with the Apache License and the following modification to it:
# Section 6. Trademarks. is deleted and replaced with:
#
# 6. Trademarks. This License does not grant permission to use the trade
# names, trademarks, service marks, or product names of the Licensor
# and its affiliates, except as required to comply with Section 4(c) of
# the License and to reproduce the content of the NOTICE file.
#
# You may obtain a copy of the Apache License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the Apache License with the above modification is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the Apache License for the specific
# language governing permissions and limitations under the Apache License.
#
project(OpenSubdiv)
cmake_minimum_required(VERSION 2.8.6)
# Turn on folder support
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
#-------------------------------------------------------------------------------
# Obtain OpenSubdiv API version from version.h file
if(EXISTS "${OpenSubdiv_SOURCE_DIR}/opensubdiv/version.h")
file(STRINGS "${OpenSubdiv_SOURCE_DIR}/opensubdiv/version.h"
OpenSubdiv_VERSION REGEX "^#define OPENSUBDIV_VERSION .*$")
string(REPLACE "#define OPENSUBDIV_VERSION " "" OpenSubdiv_VERSION ${OpenSubdiv_VERSION})
else()
message(FATAL_ERROR, "Cannot locate opensubdiv/version.h in ${OpenSubdiv_SOURCE_DIR}")
endif()
# Evaluate 'soname' from OSD version
# replace '_' with '.'
string(REGEX REPLACE "(_)" "." OSD_SONAME ${OpenSubdiv_VERSION})
# remove starting 'v' character
string(REGEX REPLACE "^v" "" OSD_SONAME ${OSD_SONAME})
add_definitions(
-DOPENSUBDIV_VERSION_STRING="${OSD_SONAME}"
)
#-------------------------------------------------------------------------------
message(STATUS "Compiling ${CMAKE_PROJECT_NAME} version ${OpenSubdiv_VERSION}")
message(STATUS "Using cmake version ${CMAKE_VERSION}")
#-------------------------------------------------------------------------------
# Specify the default install path
if (NOT DEFINED CMAKE_INSTALL_PREFIX)
SET( CMAKE_INSTALL_PREFIX "${PROJECT_BINARY_DIR}/" )
endif()
if (NOT DEFINED CMAKE_INCDIR_BASE)
set( CMAKE_INCDIR_BASE include/opensubdiv )
endif()
if (NOT DEFINED CMAKE_BINDIR_BASE)
set( CMAKE_BINDIR_BASE bin )
endif()
if (NOT DEFINED CMAKE_LIBDIR_BASE)
set( CMAKE_LIBDIR_BASE lib )
endif()
if (NOT DEFINED CMAKE_PLUGINDIR_BASE)
set( CMAKE_PLUGINDIR_BASE plugin )
endif()
if (NOT DEFINED CMAKE_DOCDIR_BASE)
set( CMAKE_DOCDIR_BASE share/doc/opensubdiv )
else()
if (IS_ABSOLUTE ${CMAKE_DOCDIR_BASE})
set( CMAKE_DOCDIR_BASE "${CMAKE_DOCDIR_BASE}" )
else()
set( CMAKE_DOCDIR_BASE "${CMAKE_INSTALL_PREFIX}/${CMAKE_DOCDIR_BASE}" )
endif()
endif()
# Allow install path to be overridden for cross-compile builds
if(LIBRARY_OUTPUT_PATH_ROOT)
SET( CMAKE_INSTALL_PREFIX "${LIBRARY_OUTPUT_PATH_ROOT}/" )
endif()
# Set the directory where the executables will be stored.
set(EXECUTABLE_OUTPUT_PATH
"${PROJECT_BINARY_DIR}/bin"
CACHE PATH
"Directory where executables will be stored"
)
# Set the directory where the libraries will be stored.
set(LIBRARY_OUTPUT_PATH
"${PROJECT_BINARY_DIR}/lib"
CACHE PATH
"Directory where all libraries will be stored"
)
# Specify the list of directories to search for cmake modules.
set(CMAKE_MODULE_PATH
"${CMAKE_CURRENT_SOURCE_DIR}/cmake"
)
#-------------------------------------------------------------------------------
# OpenSubdiv trips bugs in some older gcc versions
if (CMAKE_COMPILER_IS_GNUCC)
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
message(WARNING "g++ 4.8 or newer recommended")
endif()
endif()
# Detect Clang (until a cmake version provides built-in variables)
if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
set(CMAKE_COMPILER_IS_CLANGCC 1)
elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "Intel")
set(CMAKE_COMPILER_IS_ICC 1)
endif()
if (NOT CMAKE_COMPILER_IS_ICC)
# Currently icc has a bug that asserts when linking rpaths containing long
# sequences of ':' that this command causes. The consequence is that examples
# built and installed using icc will not have an rpath pointing to the built
# OSD library which they depend on and will have to set LD_LIBRARY_PATH instead.
list(APPEND CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
endif()
# add the automatically determined parts of the RPATH
# which point to directories outside the build tree to the install RPATH
SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
set(OSD_COMPILER_FLAGS)
# Disable spurrious warnings in gcc builds and clang
if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANGCC OR CMAKE_COMPILER_IS_ICC )
# Turn on all warnings
if(CMAKE_COMPILER_IS_ICC)
list(APPEND OSD_COMPILER_FLAGS -w2 -wd1572 -wd1418 -wd981 -wd383 -wd193 -wd444)
else()
list(APPEND OSD_COMPILER_FLAGS -Wall -Wextra)
endif()
# HBR uses the offsetof macro on a templated struct, which appears
# to spurriously set off this warning in both gccc and Clang
list(APPEND OSD_COMPILER_FLAGS -Wno-invalid-offsetof)
# HBR uses unions as an optimization for its memory allocation.
# Type casting between union members breaks strict aliasing rules from
# gcc 4.4.1 versions onwards. We disable the warning but keep aliasing
# optimization.
list(APPEND OSD_COMPILER_FLAGS -Wno-strict-aliasing)
# FAR and OSD have templated virtual function implementations that trigger
# a lot of hidden virtual function overloads (some of them spurrious).
# Disable those for now in Clang.
if(CMAKE_COMPILER_IS_CLANGCC)
list(APPEND OSD_COMPILER_FLAGS -Wno-overloaded-virtual)
endif()
# Intel's icc compiler requires some libraries linked
if(CMAKE_COMPILER_IS_ICC)
foreach (ICC_LIB iomp5 irng intlc)
if(CMAKE_SIZEOF_VOID_P MATCHES "8")
list(APPEND ICC_LIB_ARCH "intel64")
elseif(CMAKE_SIZEOF_VOID_P MATCHES "4")
list(APPEND ICC_LIB_ARCH "ia32")
endif()
find_library( ICC_${ICC_LIB}
NAMES
${ICC_LIB}
HINTS
${ICC_LOCATION}
PATHS
/opt/intel/lib/
PATH_SUFFIXES
${ICC_LIB_ARCH}
lib/${ICC_LIB_ARCH}
)
if (ICC_${ICC_LIB})
list(APPEND ICC_LIBRARIES ${ICC_${ICC_LIB}})
else()
message( FATAL_ERROR "${ICC_${ICC_LIB}} library not found - required by icc" )
endif()
endforeach()
endif()
elseif(MSVC)
# Turn on all warnings
list(APPEND OSD_COMPILER_FLAGS /Wall)
list(APPEND OSD_COMPILER_FLAGS
/W3 # Use warning level recommended for production purposes.
/WX # Treat all compiler warnings as errors.
# warning C4005: macro redefinition
/wd4005
# these warnings are being triggered from inside VC's header files
# warning C4350: behavior change: 'member1' called instead of 'member2'
/wd4350
# warning C4548: expression before comma has no effect; expected expression with side-effect
/wd4548
# Make sure WinDef.h does not define min and max macros which
# will conflict with std::min() and std::max().
/DNOMINMAX
# Make sure the constants in <math.h> get defined.
/D_USE_MATH_DEFINES
# Do not enforce MSVC's safe CRT replacements.
/D_CRT_SECURE_NO_WARNINGS
# Disable checked iterators and iterator debugging. Visual Studio
# 2008 does not implement std::vector::data(), so we need to take the
# address of std::vector::operator[](0) to get the memory location of
# a vector's underlying data storage. This does not work for an empty
# vector if checked iterators or iterator debugging is enabled.
# XXXX manuelk : we can't force SECURE_SCL to 0 or client code has
# problems linking against OSD if their build is not also
# overriding SSCL to the same value.
# See : http://msdn.microsoft.com/en-us/library/vstudio/hh697468.aspx
#/D_SECURE_SCL=0
#/D_HAS_ITERATOR_DEBUGGING=0
)
# Turn off a duplicate LIBCMT linker warning
set(CMAKE_EXE_LINKER_FLAGS
"${CMAKE_EXE_LINKER_FLAGS} /NODEFAULTLIB:libcmt.lib")
set(CMAKE_SHARED_LINKER_FLAGS
"${CMAKE_SHARED_LINKER_FLAGS} /NODEFAULTLIB:libcmt.lib")
endif()
if(${SIMD} MATCHES "AVX")
list(APPEND OSD_COMPILER_FLAGS -xAVX)
endif()
add_definitions(${OSD_COMPILER_FLAGS})
#-------------------------------------------------------------------------------
# Ignore rules that will re-run cmake (this will avoid constant
# reloading of the generated Visual Studio project).
set(CMAKE_SUPPRESS_REGENERATION TRUE)
option(PTEX_LOCATION "Path to Ptex" "")
option(GLEW_LOCATION "Path to GLEW" "")
option(GLFW_LOCATION "Path to GLFW" "")
option(NO_LIB "Disable the opensubdiv libs build (caveat emptor)" OFF)
option(NO_EXAMPLES "Disable examples build" OFF)
option(NO_TUTORIALS "Disable tutorials build" OFF)
option(NO_REGRESSION "Disable regression tests build" OFF)
option(NO_PTEX "Disable PTex support" OFF)
option(NO_DOC "Disable documentation build" OFF)
option(NO_OMP "Disable OpenMP backend" OFF)
option(NO_TBB "Disable TBB backend" OFF)
option(NO_CUDA "Disable CUDA backend" OFF)
option(NO_OPENCL "Disable OpenCL backend" OFF)
option(NO_CLEW "Disable CLEW wrapper library" OFF)
option(NO_OPENGL "Disable OpenGL support")
option(NO_DX "Disable DirectX support")
option(NO_TESTS "Disable all tests")
option(NO_GLTESTS "Disable GL tests")
set(OSD_GPU FALSE)
# Check for dependencies
if(NOT NO_OMP)
find_package(OpenMP)
endif()
if(NOT NO_TBB)
find_package(TBB 4.0)
endif()
if (NOT NO_OPENGL)
find_package(OpenGL)
endif()
find_package(OpenGLES)
if(NOT NO_OPENCL)
if(NOT NO_CLEW)
find_package(CLEW)
endif()
if (NOT CLEW_FOUND)
find_package(OpenCL 1.1)
else()
set(OPENCL_FOUND TRUE)
endif()
endif()
if(NOT NO_CUDA)
find_package(CUDA 4.0)
endif()
if(NOT NO_OPENGL AND NOT ANDROID AND NOT IOS)
find_package(GLFW 3.0.0)
endif()
if(NOT NO_PTEX)
find_package(PTex 2.0)
find_package(Zlib 1.2)
endif()
if (OPENGL_FOUND AND NOT IOS)
add_definitions(
-DOPENSUBDIV_HAS_OPENGL
)
if (APPLE)
find_package(GLEW)
else()
find_package(GLEW REQUIRED)
endif()
endif()
if (WIN32 AND NOT NO_DX)
find_package(DXSDK)
endif()
if (NOT NO_DOC)
find_package(Doxygen 1.8.4)
find_package(Docutils 0.9)
else()
set(DOXYGEN_EXECUTABLE )
endif()
# Warn about missing dependencies that will cause parts of OpenSubdiv to be
# disabled. Also, add preprocessor defines that can be used in the source
# code to determine if a specific dependency is present or not.
if(OPENMP_FOUND)
add_definitions(
-DOPENSUBDIV_HAS_OPENMP
${OpenMP_CXX_FLAGS}
)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_CXX_FLAGS}")
else()
if (NOT NO_OMP)
message(WARNING
"OpenMP was not found : support for OMP parallel compute kernels "
"will be disabled in Osd. If your compiler supports OpenMP "
"directives, please refer to the FindOpenMP.cmake shared module "
"in your cmake installation.")
endif()
endif()
if(TBB_FOUND)
add_definitions(
-DOPENSUBDIV_HAS_TBB
${TBB_CXX_FLAGS}
)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${TBB_CXX_FLAGS}")
else()
if (NOT NO_TBB)
message(WARNING
"TBB was not found : support for TBB parallel compute kernels "
"will be disabled in Osd. If your compiler supports TBB "
"directives, please refer to the FindTBB.cmake shared module "
"in your cmake installation.")
endif()
endif()
if( OPENGL_FOUND AND NOT NO_OPENGL)
set(OSD_GPU TRUE)
endif()
if(GLFW_FOUND AND (GLFW_VERSION VERSION_EQUAL 3.0 OR GLFW_VERSION VERSION_GREATER 3.0))
add_definitions( -DGLFW_VERSION_3 )
endif()
# note: perhaps rename this to be more consistent, e.g. OPENSUBDIV_USES_GLEW
if(GLEW_FOUND)
add_definitions( -DOSD_USES_GLEW )
endif()
# note : (GLSL transform feedback kernels require GL 4.2)
if(GLEW_FOUND AND OPENGL_4_2_FOUND)
add_definitions(
-DOPENSUBDIV_HAS_GLSL_TRANSFORM_FEEDBACK
)
else()
if (NOT NO_OPENGL)
message(WARNING
"OpenGL 4.2 was not found : support for GLSL transform feedback kernels "
"will be disabled in Osd. If you have an OpenGL SDK installed "
"(version 4.2 or above), please refer to the FindOpenGL.cmake "
"shared module in your cmake installation.")
endif()
endif()
# note : (GLSL compute shader kernels require GL 4.3)
if(GLEW_FOUND AND OPENGL_4_3_FOUND)
add_definitions(
-DOPENSUBDIV_HAS_GLSL_COMPUTE
)
else()
if (NOT NO_OPENGL)
message(WARNING
"OpenGL 4.3 was not found : support for GLSL compute shader kernels "
"will be disabled in Osd. If you have an OpenGL SDK installed "
"(version 4.3 or above), please refer to the FindOpenGL.cmake "
"shared module in your cmake installation.")
endif()
endif()
if(OPENGLES_FOUND)
add_definitions(
-DOPENSUBDIV_HAS_OPENGLES
)
set(OSD_GPU TRUE)
endif()
if(OPENCL_FOUND)
add_definitions(
-DOPENSUBDIV_HAS_OPENCL
)
if(CLEW_FOUND)
add_definitions(
-DOPENSUBDIV_HAS_CLEW
)
set(OPENCL_INCLUDE_DIRS ${CLEW_INCLUDE_DIR})
set(OPENCL_LIBRARIES ${CLEW_LIBRARY} ${CMAKE_DL_LIBS})
else()
if (NOT NO_CLEW)
message(WARNING
"OpenCL was found, but CLEW was not. "
"Building with OpenCL support enabled, but the built binary "
"will not be portable to systems without OpenCL installed.")
endif()
endif()
if (DXSDK_FOUND AND NOT NO_DX)
if (OPENCL_CL_D3D11_H_FOUND)
set(OPENCL_D3D11_INTEROP_FOUND "YES")
add_definitions(
-DOPENSUBDIV_HAS_OPENCL_DX_INTEROP
-DOPENSUBDIV_HAS_CL_D3D11_H
)
endif()
if (OPENCL_CL_D3D11_EXT_H_FOUND)
set(OPENCL_D3D11_INTEROP_FOUND "YES")
add_definitions(
-DOPENSUBDIV_HAS_OPENCL_DX_INTEROP
-DOPENSUBDIV_HAS_CL_D3D11_EXT_H
)
endif()
endif()
set(OSD_GPU TRUE)
else()
if (NOT NO_OPENCL)
message(WARNING
"OpenCL was not found : support for OpenCL parallel compute kernels "
"will be disabled in Osd. If you have the OpenCL SDK installed, "
"please refer to the FindOpenCL.cmake in ${PROJECT_SOURCE_DIR}/cmake.")
endif()
endif()
if(CUDA_FOUND)
add_definitions(
-DOPENSUBDIV_HAS_CUDA
)
set(OSD_GPU TRUE)
else()
if (NOT NO_CUDA)
message(WARNING
"CUDA was not found : support for CUDA parallel compute kernels "
"will be disabled in Osd. If you have the CUDA SDK installed, please "
"refer to the FindCUDA.cmake shared module in your cmake installation.")
endif()
endif()
if(PTEX_FOUND)
add_definitions(
-DOPENSUBDIV_HAS_PTEX
-DPTEX_STATIC
)
else()
if(NOT NO_PTEX)
message(WARNING
"Ptex was not found : the OpenSubdiv Ptex example will not be "
"available. If you do have Ptex installed and see this message, "
"please add your Ptex path to FindPTex.cmake in "
"${PROJECT_SOURCE_DIR}/cmake or set it through the PTEX_LOCATION "
"cmake command line argument or environment variable.")
endif()
endif()
# Link examples & regressions dynamically against Osd
if( OSD_GPU )
set( OSD_LINK_TARGET osd_dynamic_cpu osd_dynamic_gpu )
else()
set( OSD_LINK_TARGET osd_dynamic_cpu )
endif()
if (WIN32)
add_definitions(
# Link against the static version of GLEW.
-DGLEW_STATIC
)
if (DXSDK_FOUND AND NOT NO_DX)
add_definitions(
-DOPENSUBDIV_HAS_DX11SDK
)
set(OSD_GPU TRUE)
elseif(NOT NO_DX)
message(WARNING
"DirectX11 SDK was not found. "
"If you do have DXSDK installed and see this message, "
"please add your sdk path to FindDirectX.cmake in "
"${PROJECT_SOURCE_DIR}/cmake or set it through the "
"DXSDK_LOCATION cmake command line argument or "
"environment variable."
)
endif()
# Link examples & regressions statically against Osd for
# Windows until all the kinks can be worked out.
if( OSD_GPU )
set( OSD_LINK_TARGET osd_static_cpu osd_static_gpu )
else()
set( OSD_LINK_TARGET osd_static_cpu )
endif()
endif()
#-------------------------------------------------------------------------------
# General-use macros
# Macro for processing public headers into the build area for doxygen processing
add_custom_target( public_headers )
macro(_add_doxy_headers headers)
if (NOT NO_DOC AND DOXYGEN_FOUND)
file(RELATIVE_PATH path "${OpenSubdiv_SOURCE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}" )
string(REPLACE "/" "_" targetpath ${path})
foreach (header ${headers})
set(infile "${CMAKE_CURRENT_SOURCE_DIR}/${header}")
set(outfile "${OpenSubdiv_BINARY_DIR}/public_headers/${path}/${header}")
set(targetname "${targetpath}_${header}")
add_custom_command(
OUTPUT
"${outfile}"
COMMAND
${CMAKE_COMMAND}
ARGS
-E copy ${infile} ${outfile}
DEPENDS
${infile}
)
add_custom_target(${targetname} DEPENDS "${outfile}")
list(APPEND headerfiles ${targetname} )
endforeach()
add_dependencies( public_headers DEPENDS ${headerfiles} )
endif()
endmacro()
# Kernel Stringification
# We want to use preprocessor include directives to include GLSL and OpenCL
# kernel source files in cpp files, but since the sources contain newline
# characters we would need raw string literals from C++11 to do this directly.
# To avoid depending on C++11 we instead use a small tool called "line_quote"
# to generate source files that are suitable for direct inclusion.
function(_stringify src_files varname)
set(inc_files "")
foreach(src_file ${src_files})
string(REGEX REPLACE ".*[.](.*)" "\\1" extension "${src_file}")
string(REGEX REPLACE "(.*)[.].*" "\\1.gen.h" inc_file "${src_file}")
list(APPEND inc_files "${CMAKE_CURRENT_BINARY_DIR}/${inc_file}")
add_custom_command(
OUTPUT
"${CMAKE_CURRENT_BINARY_DIR}/${inc_file}"
COMMAND
stringify "${CMAKE_CURRENT_SOURCE_DIR}/${src_file}" "${CMAKE_CURRENT_BINARY_DIR}/${inc_file}"
DEPENDS
stringify "${CMAKE_CURRENT_SOURCE_DIR}/${src_file}"
)
endforeach()
set(${varname} ${inc_files} PARENT_SCOPE)
endfunction()
# Macro wrapper for adding a non-cuda dependent executable
macro(_add_executable target folder)
add_executable(${target} ${ARGN})
set_target_properties(${target} PROPERTIES FOLDER ${folder})
if(CMAKE_COMPILER_IS_ICC)
target_link_libraries(${target} ${ICC_LIBRARIES})
endif()
endmacro()
# Macro for adding a cuda executable if cuda is found and a regular
# executable otherwise.
macro(_add_possibly_cuda_executable target folder)
if(CUDA_FOUND)
cuda_add_executable(${target} ${ARGN})
else()
add_executable(${target} ${ARGN})
endif()
set_target_properties(${target} PROPERTIES FOLDER ${folder})
if(CMAKE_COMPILER_IS_ICC)
target_link_libraries(${target} ${ICC_LIBRARIES})
endif()
endmacro()
# Macro for adding a cuda library if cuda is found and a regular
# library otherwise.
macro(_add_possibly_cuda_library target folder)
if(CUDA_FOUND)
cuda_add_library(${target} ${ARGN})
else()
add_library(${target} ${ARGN})
endif()
set_target_properties(${target} PROPERTIES FOLDER ${folder})
endmacro()
# Macro for adding a (potentially cuda) GLFW executable.
macro(_add_glfw_executable target folder)
_add_possibly_cuda_executable(${target} ${folder} ${ARGN})
#
# manuelk : commenting this out as it seems to be causing more problems than
# it is worth. Moving glfw as a native git recursive dependency will make this
# redundant anyway.
#
# if(WIN32)
# # Windows needs some of its dependency dll's copied into the same
# # directory as the executable.
# set(LIBRARIES ${GLFW_LIBRARIES})
# foreach (LIB ${LIBRARIES} )
# string(REPLACE ".lib" ".dll" DLL ${LIB})
# string(REPLACE ".LIB" ".DLL" DLL ${DLL})
# add_custom_command(
# TARGET ${target} POST_BUILD
# COMMAND ${CMAKE_COMMAND} -E copy_if_different
# ${DLL}
# $<TARGET_FILE_DIR:${target}>
# )
# endforeach()
# endif()
endmacro()
#-------------------------------------------------------------------------------
# Build targets
# if you want to build examples against installed OpenSubdiv header files,
# use OPENSUBDIV_INCLUDE_DIR.
# example: if you have already installed opensubdiv libs in this cmake setup,
# set (OPENSUBDIV_INCLUDE_DIR ${CMAKE_INSTALL_PREFIX}/${CMAKE_INCDIR_BASE})
if (NOT OPENSUBDIV_INCLUDE_DIR)
set(OPENSUBDIV_INCLUDE_DIR "${PROJECT_SOURCE_DIR}/opensubdiv")
endif()
if (NOT NO_TESTS)
enable_testing()
endif()
add_subdirectory(opensubdiv)
if (NOT ANDROID AND NOT IOS) # XXXdyu
add_subdirectory(regression)
endif()
if (NOT NO_EXAMPLES)
add_subdirectory(examples)
endif()
if (NOT NO_TUTORIALS)
add_subdirectory(tutorials)
endif()
if (NOT NO_DOC)
add_subdirectory(documentation)
endif()