OpenSubdiv/CMakeLists.txt
David G Yu 16a5c3993f Moved GL version check out of FindGLEW.cmake
This allows us to make use of this even when
we are not using GLEW.
2020-03-03 15:04:24 -08:00

810 lines
25 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_FRAMEWORKDIR_BASE)
set( CMAKE_FRAMEWORKDIR_BASE Frameworks )
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 "${CMAKE_INSTALL_PREFIX}/lib")
endif()
# add the automatically determined parts of the RPATH
# which point to directories outside the build tree to the install RPATH
SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
# ensure that ARC is shown as enabled in the Xcode UI
if(CMAKE_GENERATOR STREQUAL "Xcode")
set (CMAKE_XCODE_ATTRIBUTE_CLANG_ENABLE_OBJC_ARC "YES")
endif()
set(OSD_COMPILER_FLAGS)
# Disable spurious warnings in gcc builds and clang
if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANGCC OR CMAKE_COMPILER_IS_ICC )
# Turn on all warnings
if(CMAKE_COMPILER_IS_ICC)
list(APPEND OSD_COMPILER_FLAGS -w2 -wd1572 -wd1418 -wd981 -wd383 -wd193 -wd444)
else()
list(APPEND OSD_COMPILER_FLAGS -Wall -Wextra)
endif()
# HBR uses the offsetof macro on a templated struct, which appears
# to spuriously set off this warning in both gcc and Clang
list(APPEND OSD_COMPILER_FLAGS -Wno-invalid-offsetof)
# HBR uses unions as an optimization for its memory allocation.
# Type casting between union members breaks strict aliasing rules from
# gcc 4.4.1 versions onwards. We disable the warning but keep aliasing
# optimization.
list(APPEND OSD_COMPILER_FLAGS -Wno-strict-aliasing)
# FAR and OSD have templated virtual function implementations that trigger
# a lot of hidden virtual function overloads (some of them spurious).
# Disable those for now in Clang.
if(CMAKE_COMPILER_IS_CLANGCC)
list(APPEND OSD_COMPILER_FLAGS -Wno-overloaded-virtual)
endif()
# Intel's icc compiler requires some libraries linked
if(CMAKE_COMPILER_IS_ICC)
foreach (ICC_LIB iomp5 irng intlc)
if(CMAKE_SIZEOF_VOID_P MATCHES "8")
list(APPEND ICC_LIB_ARCH "intel64")
elseif(CMAKE_SIZEOF_VOID_P MATCHES "4")
list(APPEND ICC_LIB_ARCH "ia32")
endif()
find_library( ICC_${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
)
option(MSVC_STATIC_CRT "Statically link MSVC CRT" OFF)
if(MSVC_STATIC_CRT)
message(STATUS "Using static MSVC CRT")
# http://stackoverflow.com/a/32128977/486990
add_compile_options(
"$<$<CONFIG:Debug>:/MTd>"
"$<$<CONFIG:RelWithDebInfo>:/MT>"
"$<$<CONFIG:Release>:/MT>"
"$<$<CONFIG:MinSizeRel>:/MT>"
)
else()
# 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()
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_METAL "Disable Metal support" OFF)
option(NO_DX "Disable DirectX support")
option(NO_TESTS "Disable all tests")
option(NO_GLTESTS "Disable GL tests")
option(NO_GLFW "Disable components depending on GLFW" OFF)
option(NO_GLFW_X11 "Disable GLFW components depending on X11" OFF)
option(OPENSUBDIV_GREGORY_EVAL_TRUE_DERIVATIVES "Enable true derivative evaluation for Gregory basis patches" OFF)
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_GLFW AND 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(APPLE AND NOT NO_METAL)
find_package(Metal)
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} ${TBB_CXX_FLAGS}")
else()
if (NOT NO_TBB)
message(WARNING
"TBB was not found : support for TBB parallel compute kernels "
"will be disabled in Osd. If your compiler supports TBB "
"directives, please refer to the FindTBB.cmake shared module "
"in your cmake installation.")
endif()
endif()
if( METAL_FOUND AND NOT NO_METAL)
set(OSD_GPU TRUE)
if (CMAKE_COMPILER_IS_CLANGCC)
# When building with Metal support enabled, we need to explicitly
# request that the C++ code be compiled with C++11 since some example
# code for Metal relies on functionality only available in C++11.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
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()
macro(osd_detect_gl_version header)
if (EXISTS "${header}")
file(STRINGS "${header}" VERSION_4_2 REGEX "^#define GL_VERSION_4_2.*$")
if (VERSION_4_2)
set(OPENGL_4_2_FOUND TRUE)
else ()
message(WARNING "OpenGL 4.2 dependent features not enabled")
endif ()
file(STRINGS "${header}" VERSION_4_3 REGEX "^#define GL_VERSION_4_3.*$")
if (VERSION_4_3)
SET(OPENGL_4_3_FOUND TRUE)
else ()
message(WARNING "OpenGL 4.3 dependent features not enabled")
endif ()
endif ()
endmacro()
if(GLEW_FOUND AND GLEW_INCLUDE_DIR)
osd_detect_gl_version(${GLEW_INCLUDE_DIR}/GL/glew.h)
elseif(OPENGL_FOUND AND OPENGL_INCLUDE_DIR)
osd_detect_gl_version(${OPENGL_INCLUDE_DIR}/GL/glext.h)
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
-DCUDA_ENABLE_DEPRECATED=0
)
set(OSD_GPU TRUE)
if (UNIX)
list( APPEND CUDA_NVCC_FLAGS -Xcompiler -fPIC )
if (NOT DEFINED OSD_CUDA_NVCC_FLAGS)
if (CUDA_VERSION_MAJOR LESS 6)
set( OSD_CUDA_NVCC_FLAGS --gpu-architecture compute_11 )
else()
set( OSD_CUDA_NVCC_FLAGS --gpu-architecture compute_20 )
endif()
endif()
endif()
if (DEFINED OSD_CUDA_NVCC_FLAGS)
list( APPEND CUDA_NVCC_FLAGS ${OSD_CUDA_NVCC_FLAGS})
endif()
else()
if (NOT NO_CUDA)
message(WARNING
"CUDA was not found : support for CUDA parallel compute kernels "
"will be disabled in Osd. If you have the CUDA SDK installed, please "
"refer to the FindCUDA.cmake shared module in your cmake installation.")
endif()
endif()
if(PTEX_FOUND)
add_definitions(
-DOPENSUBDIV_HAS_PTEX
-DPTEX_STATIC
)
else()
if(NOT NO_PTEX)
message(WARNING
"Ptex was not found : the OpenSubdiv Ptex example will not be "
"available. If you do have Ptex installed and see this message, "
"please add your Ptex path to FindPTex.cmake in "
"${PROJECT_SOURCE_DIR}/cmake or set it through the PTEX_LOCATION "
"cmake command line argument or environment variable.")
endif()
endif()
if( OPENSUBDIV_GREGORY_EVAL_TRUE_DERIVATIVES )
add_definitions(-DOPENSUBDIV_GREGORY_EVAL_TRUE_DERIVATIVES)
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)
if ("${GLEW_LIBRARY}" MATCHES "glew32s(d|)")
# Link against the static version of GLEW
add_definitions(
-DGLEW_STATIC
)
endif()
if (DXSDK_FOUND AND NOT NO_DX)
add_definitions(
-DOPENSUBDIV_HAS_DX11SDK
)
set(OSD_GPU TRUE)
elseif(NOT NO_DX)
message(WARNING
"DirectX11 SDK was not found. "
"If you do have DXSDK installed and see this message, "
"please add your sdk path to FindDirectX.cmake in "
"${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(osd_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(osd_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} ${inc_files} PARENT_SCOPE)
endfunction()
# Macro wrapper for adding a non-cuda dependent executable
macro(osd_add_executable target folder)
add_executable(${target} ${ARGN})
set_target_properties(${target} PROPERTIES FOLDER ${folder})
if(CMAKE_COMPILER_IS_ICC)
target_link_libraries(${target} ${ICC_LIBRARIES})
endif()
if(APPLE)
set_property (TARGET ${target} APPEND_STRING PROPERTY
COMPILE_FLAGS " -fobjc-arc ")
endif()
endmacro()
# Macro for adding a cuda executable if cuda is found and a regular
# executable otherwise.
macro(osd_add_possibly_cuda_executable target folder)
if(CUDA_FOUND)
cuda_add_executable(${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()
if(APPLE)
set_property (TARGET ${target} APPEND_STRING PROPERTY
COMPILE_FLAGS " -fobjc-arc ")
endif()
endmacro()
# Macro for adding a cuda library if cuda is found and a regular
# library otherwise.
macro(osd_add_possibly_cuda_library target folder)
if(CUDA_FOUND)
cuda_add_library(${target} ${ARGN})
else()
add_library(${target} ${ARGN})
endif()
set_target_properties(${target} PROPERTIES FOLDER ${folder})
if(APPLE)
set_property (TARGET ${target} APPEND_STRING PROPERTY
COMPILE_FLAGS " -fobjc-arc ")
endif()
endmacro()
# Macro for adding a (potentially cuda) GLFW executable.
macro(osd_add_glfw_executable target folder)
osd_add_possibly_cuda_executable(${target} ${folder} ${ARGN})
if(APPLE)
set_property (TARGET ${target} APPEND_STRING PROPERTY
COMPILE_FLAGS " -fobjc-arc ")
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}")
endif()
if (NOT NO_TESTS)
enable_testing()
endif()
add_subdirectory(opensubdiv)
if (NOT ANDROID) # 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()