blender/intern/cycles/CMakeLists.txt
Sergey Sharybin 2199a3e38b CMake: Add option to enable -Werror cflag in some areas
It is rather annoying attitude nowadays to use const qualifier all over the
place, including using it for multi-dimensional arrays. This isn't really
supported in GCC prior to version 5.0 because it considers such an arrays
to be a "pointer to a const pointer" which gives implicit casting errors.

It's not possible to disable this particular type of warnings treated as
errors in any GCC version prior to 5.0 as well, meaning currently usage of
-Werror globally in Blender code is not possible at all.

This commit makes it possible to use -Werror in areas which are complaint
with older GCC versions. New advanced CMake options are:

- WITH_COMPOSITOR_WERROR
- WITH_LIBMV_WERROR
- WITH_CYCLES_WERROR
2015-07-18 10:49:51 +02:00

245 lines
7.0 KiB
CMake

# Standalone or with Blender
if(NOT WITH_BLENDER AND WITH_CYCLES_STANDALONE)
set(CYCLES_INSTALL_PATH "")
else()
set(WITH_CYCLES_BLENDER ON)
set(CYCLES_INSTALL_PATH "scripts/addons/cycles")
endif()
# External Libraries
include(cmake/external_libs.cmake)
# Build Flags
# todo: refactor this code to match scons
# note: CXX_HAS_SSE is needed in case passing SSE flags fails altogether (gcc-arm)
if(WITH_CYCLES_WERROR)
ADD_CHECK_C_COMPILER_FLAG(CMAKE_C_FLAGS C_WERROR -Werror)
ADD_CHECK_CXX_COMPILER_FLAG(CMAKE_CXX_FLAGS C_WERROR -Werror)
endif()
if(NOT WITH_CPU_SSE)
set(CXX_HAS_SSE FALSE)
set(CXX_HAS_AVX FALSE)
set(CXX_HAS_AVX2 FALSE)
elseif(WIN32 AND MSVC)
set(CXX_HAS_SSE TRUE)
set(CXX_HAS_AVX TRUE)
set(CXX_HAS_AVX2 TRUE)
# /arch:AVX for VC2012 and above
if(NOT MSVC_VERSION LESS 1700)
set(CYCLES_AVX_ARCH_FLAGS "/arch:AVX")
set(CYCLES_AVX2_ARCH_FLAGS "/arch:AVX /arch:AVX2")
elseif(NOT CMAKE_CL_64)
set(CYCLES_AVX_ARCH_FLAGS "/arch:SSE2")
set(CYCLES_AVX2_ARCH_FLAGS "/arch:SSE2")
endif()
# there is no /arch:SSE3, but intrinsics are available anyway
if(CMAKE_CL_64)
set(CYCLES_SSE2_KERNEL_FLAGS "/fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_SSE3_KERNEL_FLAGS "/fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_SSE41_KERNEL_FLAGS "/fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_AVX_KERNEL_FLAGS "${CYCLES_AVX_ARCH_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_AVX2_KERNEL_FLAGS "${CYCLES_AVX2_ARCH_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
else()
set(CYCLES_SSE2_KERNEL_FLAGS "/arch:SSE2 /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_SSE3_KERNEL_FLAGS "/arch:SSE2 /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_SSE41_KERNEL_FLAGS "/arch:SSE2 /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_AVX_KERNEL_FLAGS "${CYCLES_AVX_ARCH_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CYCLES_AVX2_KERNEL_FLAGS "${CYCLES_AVX2_ARCH_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /GS-")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Ox")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} /Ox")
set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} /Ox")
elseif(CMAKE_COMPILER_IS_GNUCC)
check_cxx_compiler_flag(-msse CXX_HAS_SSE)
check_cxx_compiler_flag(-mavx CXX_HAS_AVX)
check_cxx_compiler_flag(-mavx2 CXX_HAS_AVX2)
if(CXX_HAS_SSE)
set(CYCLES_SSE2_KERNEL_FLAGS "-ffast-math -msse -msse2 -mfpmath=sse")
set(CYCLES_SSE3_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -mfpmath=sse")
set(CYCLES_SSE41_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mfpmath=sse")
endif()
if(CXX_HAS_AVX)
set(CYCLES_AVX_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mavx -mfpmath=sse")
endif()
if(CXX_HAS_AVX2)
set(CYCLES_AVX2_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mavx -mavx2 -mfma -mlzcnt -mbmi -mbmi2 -mf16c -mfpmath=sse")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffast-math")
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
check_cxx_compiler_flag(-msse CXX_HAS_SSE)
check_cxx_compiler_flag(-mavx CXX_HAS_AVX)
check_cxx_compiler_flag(-mavx2 CXX_HAS_AVX2)
if(CXX_HAS_SSE)
set(CYCLES_SSE2_KERNEL_FLAGS "-ffast-math -msse -msse2")
set(CYCLES_SSE3_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3")
set(CYCLES_SSE41_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1")
endif()
if(CXX_HAS_AVX)
set(CYCLES_AVX_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mavx")
endif()
if(CXX_HAS_AVX2)
set(CYCLES_AVX2_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mssse3 -msse4.1 -mavx -mavx2 -mfma -mlzcnt -mbmi -mbmi2 -mf16c")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffast-math")
endif()
if(CXX_HAS_SSE)
add_definitions(
-DWITH_KERNEL_SSE2
-DWITH_KERNEL_SSE3
-DWITH_KERNEL_SSE41
)
endif()
if(CXX_HAS_AVX)
add_definitions(-DWITH_KERNEL_AVX)
endif()
if(CXX_HAS_AVX2)
add_definitions(-DWITH_KERNEL_AVX2)
endif()
if(WITH_CYCLES_OSL)
if(WIN32 AND MSVC)
set(RTTI_DISABLE_FLAGS "/GR- -DBOOST_NO_RTTI -DBOOST_NO_TYPEID")
elseif(CMAKE_COMPILER_IS_GNUCC OR (CMAKE_C_COMPILER_ID MATCHES "Clang"))
set(RTTI_DISABLE_FLAGS "-fno-rtti -DBOOST_NO_RTTI -DBOOST_NO_TYPEID")
endif()
endif()
# Definitions and Includes
add_definitions(
${BOOST_DEFINITIONS}
${OPENIMAGEIO_DEFINITIONS}
)
add_definitions(
-DCCL_NAMESPACE_BEGIN=namespace\ ccl\ {
-DCCL_NAMESPACE_END=}
)
if(WITH_CYCLES_NETWORK)
add_definitions(-DWITH_NETWORK)
endif()
if(WITH_CYCLES_STANDALONE_GUI)
add_definitions(-DWITH_CYCLES_STANDALONE_GUI)
endif()
if(WITH_CYCLES_PTEX)
add_definitions(-DWITH_PTEX)
endif()
if(WITH_CYCLES_OPENSUBDIV)
add_definitions(-DWITH_OPENSUBDIV)
endif()
if(WITH_CYCLES_OSL)
add_definitions(-DWITH_OSL)
add_definitions(-DOSL_STATIC_LIBRARY)
include_directories(
SYSTEM
${OSL_INCLUDE_DIR}
)
endif()
add_definitions(
-DWITH_OPENCL
-DWITH_CUDA
-DWITH_MULTI
)
TEST_UNORDERED_MAP_SUPPORT()
if(HAVE_STD_UNORDERED_MAP_HEADER)
if(HAVE_UNORDERED_MAP_IN_STD_NAMESPACE)
add_definitions(-DCYCLES_STD_UNORDERED_MAP)
else()
if(HAVE_UNORDERED_MAP_IN_TR1_NAMESPACE)
add_definitions(-DCYCLES_STD_UNORDERED_MAP_IN_TR1_NAMESPACE)
else()
add_definitions(-DCYCLES_NO_UNORDERED_MAP)
message(STATUS "Replacing unordered_map/set with map/set (warning: slower!)")
endif()
endif()
else()
if(HAVE_UNORDERED_MAP_IN_TR1_NAMESPACE)
add_definitions(-DCYCLES_TR1_UNORDERED_MAP)
else()
add_definitions(-DCYCLES_NO_UNORDERED_MAP)
message(STATUS "Replacing unordered_map/set with map/set (warning: slower!)")
endif()
endif()
# Logging capabilities using GLog library.
if(WITH_CYCLES_LOGGING)
add_definitions(-DWITH_CYCLES_LOGGING)
add_definitions(-DGOOGLE_GLOG_DLL_DECL=)
add_definitions(-DCYCLES_GFLAGS_NAMESPACE=${GFLAGS_NAMESPACE})
include_directories(
SYSTEM
${GLOG_INCLUDE_DIRS}
${GFLAGS_INCLUDE_DIRS}
)
endif()
# Debugging capabilities (debug passes etc).
if(WITH_CYCLES_DEBUG)
add_definitions(-DWITH_CYCLES_DEBUG)
endif()
include_directories(
SYSTEM
${BOOST_INCLUDE_DIR}
${OPENIMAGEIO_INCLUDE_DIRS}
${OPENIMAGEIO_INCLUDE_DIRS}/OpenImageIO
${OPENEXR_INCLUDE_DIR}
${OPENEXR_INCLUDE_DIRS}
${PUGIXML_INCLUDE_DIR}
)
if(CYCLES_STANDALONE_REPOSITORY)
include_directories(../third_party/atomic)
else()
include_directories(../atomic)
endif()
# Warnings
if(CMAKE_COMPILER_IS_GNUCXX)
ADD_CHECK_CXX_COMPILER_FLAG(CMAKE_CXX_FLAGS _has_cxxflag_float_conversion "-Werror=float-conversion")
ADD_CHECK_CXX_COMPILER_FLAG(CMAKE_CXX_FLAGS _has_cxxflag_double_promotion "-Werror=double-promotion")
unset(_has_cxxflag_float_conversion)
unset(_has_cxxflag_double_promotion)
endif()
# Subdirectories
if(WITH_CYCLES_BLENDER)
add_subdirectory(blender)
endif()
if(WITH_CYCLES_STANDALONE OR WITH_CYCLES_NETWORK)
add_subdirectory(app)
endif()
add_subdirectory(bvh)
add_subdirectory(device)
add_subdirectory(doc)
add_subdirectory(kernel)
add_subdirectory(render)
add_subdirectory(subd)
add_subdirectory(util)
if(NOT WITH_BLENDER AND WITH_CYCLES_STANDALONE)
delayed_do_install(${CMAKE_BINARY_DIR}/bin)
endif()