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# SPDX-License-Identifier: GPL-2.0-or-later
if(WIN32)
option(ENABLE_MINGW64 "Enable building of ffmpeg/iconv/libsndfile/fftw3 by installing mingw64" ON)
endif()
option(FORCE_CHECK_HASH "Force a check of all hashses during CMake the configure phase" OFF)
cmake_host_system_information(RESULT NUM_CORES QUERY NUMBER_OF_LOGICAL_CORES)
set(MAKE_THREADS ${NUM_CORES} CACHE STRING "Number of threads to run make with")
if(NOT BUILD_MODE)
set(BUILD_MODE "Release")
message(STATUS "Build type not specified: defaulting to a release build.")
endif()
message("BuildMode = ${BUILD_MODE}")
if(BUILD_MODE STREQUAL "Debug")
set(LIBDIR ${CMAKE_CURRENT_BINARY_DIR}/Debug)
else()
set(LIBDIR ${CMAKE_CURRENT_BINARY_DIR}/Release)
endif()
set(DOWNLOAD_DIR "${CMAKE_CURRENT_BINARY_DIR}/downloads" CACHE STRING "Path for downloaded files")
set(PACKAGE_DIR "${CMAKE_CURRENT_BINARY_DIR}/packages" CACHE PATH "default path for downloaded packages")
option(PACKAGE_USE_UPSTREAM_SOURCES "Use sources upstream to download the package sources, when OFF the blender mirror will be used" ON)
file(TO_CMAKE_PATH ${DOWNLOAD_DIR} DOWNLOAD_DIR)
file(TO_CMAKE_PATH ${PACKAGE_DIR} PACKAGE_DIR)
set(PATCH_DIR ${CMAKE_CURRENT_SOURCE_DIR}/patches)
set(BUILD_DIR ${CMAKE_CURRENT_BINARY_DIR}/build)
message("LIBDIR = ${LIBDIR}")
message("DOWNLOAD_DIR = ${DOWNLOAD_DIR}")
message("PACKAGE_DIR = ${PACKAGE_DIR}")
message("PATCH_DIR = ${PATCH_DIR}")
message("BUILD_DIR = ${BUILD_DIR}")
if(WIN32)
set(PATCH_CMD ${DOWNLOAD_DIR}/mingw/mingw64/msys/1.0/bin/patch.exe)
set(LIBEXT ".lib")
set(SHAREDLIBEXT ".lib")
set(LIBPREFIX "")
set(MESON ${LIBDIR}/python/Scripts/meson)
# For OIIO and OSL
set(COMMON_DEFINES /DPSAPI_VERSION=2 /DTINYFORMAT_ALLOW_WCHAR_STRINGS)
if(MSVC_VERSION GREATER 1909)
set(COMMON_MSVC_FLAGS "/Wv:18") #some deps with warnings as error aren't quite ready for dealing with the new 2017 warnings.
endif()
string(APPEND COMMON_MSVC_FLAGS " /bigobj")
# To keep MSVC from oversubscribing the CPU, force it to single threaded mode
# msbuild/ninja will queue as many compile units as there are cores, no need for
# msvc to be internally threading as well.
string(APPEND COMMON_MSVC_FLAGS " /cgthreads1 ")
if(WITH_OPTIMIZED_DEBUG)
set(BLENDER_CMAKE_C_FLAGS_DEBUG "/MDd ${COMMON_MSVC_FLAGS} /O2 /Ob2 /DNDEBUG /DPSAPI_VERSION=2 /DTINYFORMAT_ALLOW_WCHAR_STRINGS")
else()
set(BLENDER_CMAKE_C_FLAGS_DEBUG "/MDd ${COMMON_MSVC_FLAGS} /Zi /Ob0 /Od /RTC1 /D_DEBUG /DPSAPI_VERSION=2 /DTINYFORMAT_ALLOW_WCHAR_STRINGS")
endif()
set(BLENDER_CMAKE_C_FLAGS_MINSIZEREL "/MD ${COMMON_MSVC_FLAGS} /O1 /Ob1 /D NDEBUG /DPSAPI_VERSION=2 /DTINYFORMAT_ALLOW_WCHAR_STRINGS")
set(BLENDER_CMAKE_C_FLAGS_RELEASE "/MD ${COMMON_MSVC_FLAGS} /O2 /Ob2 /DNDEBUG /DPSAPI_VERSION=2 /DTINYFORMAT_ALLOW_WCHAR_STRINGS")
set(BLENDER_CMAKE_C_FLAGS_RELWITHDEBINFO "/MD ${COMMON_MSVC_FLAGS} /Zi /O2 /Ob1 /D NDEBUG /DPSAPI_VERSION=2 /DTINYFORMAT_ALLOW_WCHAR_STRINGS")
if(WITH_OPTIMIZED_DEBUG)
set(BLENDER_CMAKE_CXX_FLAGS_DEBUG "/MDd ${COMMON_MSVC_FLAGS} /D_SILENCE_ALL_CXX17_DEPRECATION_WARNINGS /O2 /Ob2 /D NDEBUG /D PLATFORM_WINDOWS /DPSAPI_VERSION=2 /DTINYFORMAT_ALLOW_WCHAR_STRINGS /DBOOST_DEBUG_PYTHON /DBOOST_ALL_NO_LIB")
else()
set(BLENDER_CMAKE_CXX_FLAGS_DEBUG "/D_DEBUG /D PLATFORM_WINDOWS /D_SILENCE_ALL_CXX17_DEPRECATION_WARNINGS /MTd ${COMMON_MSVC_FLAGS} /Zi /Ob0 /Od /RTC1 /DPSAPI_VERSION=2 /DTINYFORMAT_ALLOW_WCHAR_STRINGS /DBOOST_DEBUG_PYTHON /DBOOST_ALL_NO_LIB")
endif()
set(BLENDER_CMAKE_CXX_FLAGS_MINSIZEREL "/MD /${COMMON_MSVC_FLAGS} /D_SILENCE_ALL_CXX17_DEPRECATION_WARNINGS /O1 /Ob1 /D NDEBUG /D PLATFORM_WINDOWS /DPSAPI_VERSION=2 /DTINYFORMAT_ALLOW_WCHAR_STRINGS")
set(BLENDER_CMAKE_CXX_FLAGS_RELEASE "/MD ${COMMON_MSVC_FLAGS} /D_SILENCE_ALL_CXX17_DEPRECATION_WARNINGS /O2 /Ob2 /D NDEBUG /D PLATFORM_WINDOWS /DPSAPI_VERSION=2 /DTINYFORMAT_ALLOW_WCHAR_STRINGS")
set(BLENDER_CMAKE_CXX_FLAGS_RELWITHDEBINFO "/MD ${COMMON_MSVC_FLAGS} /D_SILENCE_ALL_CXX17_DEPRECATION_WARNINGS /Zi /O2 /Ob1 /D NDEBUG /D PLATFORM_WINDOWS /DPSAPI_VERSION=2 /DTINYFORMAT_ALLOW_WCHAR_STRINGS")
set(PLATFORM_FLAGS)
set(PLATFORM_CXX_FLAGS)
set(PLATFORM_CMAKE_FLAGS)
set(MINGW_PATH ${DOWNLOAD_DIR}/mingw/mingw64)
set(MINGW_SHELL ming64sh.cmd)
set(PERL_SHELL ${DOWNLOAD_DIR}/perl/portableshell.bat)
set(MINGW_HOST x86_64-w64-mingw32)
# some build systems like meson will respect the *nix like environment vars
# like CFLAGS and LDFlags but will still build with the MSVC compiler, so for
# those we need to empty out the gcc style flags that are normally in there.
set(CONFIGURE_ENV_MSVC
cd ${MINGW_PATH} &&
call ${PERL_SHELL} &&
call ${MINGW_SHELL} &&
set path &&
set CFLAGS= &&
set LDFLAGS=
)
set(CONFIGURE_ENV
cd ${MINGW_PATH} &&
call ${PERL_SHELL} &&
call ${MINGW_SHELL} &&
set path &&
set CFLAGS=-g &&
set LDFLAGS=-Wl,--as-needed -static-libgcc
)
set(CONFIGURE_ENV_NO_PERL
cd ${MINGW_PATH} &&
call ${MINGW_SHELL} &&
set path &&
set CFLAGS=-g &&
set LDFLAGS=-Wl,--as-needed -static-libgcc
)
set(CONFIGURE_COMMAND sh ./configure)
set(CONFIGURE_COMMAND_NO_TARGET ${CONFIGURE_COMMAND})
else()
set(PATCH_CMD patch)
set(LIBEXT ".a")
set(LIBPREFIX "lib")
set(MESON ${LIBDIR}/python/bin/meson)
if(APPLE)
set(SHAREDLIBEXT ".dylib")
# Use same Xcode detection as Blender itself.
include(../cmake/platform/platform_apple_xcode.cmake)
if("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "arm64")
set(BLENDER_PLATFORM_ARM ON)
endif()
set(PLATFORM_CFLAGS "-isysroot ${CMAKE_OSX_SYSROOT} -mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET} -arch ${CMAKE_OSX_ARCHITECTURES}")
set(PLATFORM_CXXFLAGS "-isysroot ${CMAKE_OSX_SYSROOT} -mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET} -std=c++17 -stdlib=libc++ -arch ${CMAKE_OSX_ARCHITECTURES}")
set(PLATFORM_LDFLAGS "-isysroot ${CMAKE_OSX_SYSROOT} -mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET} -arch ${CMAKE_OSX_ARCHITECTURES}")
if("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "x86_64")
set(PLATFORM_BUILD_TARGET --build=x86_64-apple-darwin17.0.0) # OS X 10.13
else()
set(PLATFORM_BUILD_TARGET --build=aarch64-apple-darwin20.0.0) # macOS 11.00
endif()
set(PLATFORM_CMAKE_FLAGS
-DCMAKE_OSX_ARCHITECTURES:STRING=${CMAKE_OSX_ARCHITECTURES}
-DCMAKE_OSX_DEPLOYMENT_TARGET:STRING=${CMAKE_OSX_DEPLOYMENT_TARGET}
-DCMAKE_OSX_SYSROOT:PATH=${CMAKE_OSX_SYSROOT}
)
else()
set(SHAREDLIBEXT ".so")
if("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "aarch64")
set(BLENDER_PLATFORM_ARM ON)
endif()
set(PLATFORM_CFLAGS "-fPIC")
set(PLATFORM_CXXFLAGS "-std=c++17 -fPIC")
set(PLATFORM_LDFLAGS)
set(PLATFORM_BUILD_TARGET)
set(PLATFORM_CMAKE_FLAGS -DCMAKE_INSTALL_LIBDIR=lib)
endif()
if(WITH_OPTIMIZED_DEBUG)
set(BLENDER_CMAKE_C_FLAGS_DEBUG "-O2 -DNDEBUG ${PLATFORM_CFLAGS}")
else()
set(BLENDER_CMAKE_C_FLAGS_DEBUG "-g ${PLATFORM_CFLAGS}")
endif()
set(BLENDER_CMAKE_C_FLAGS_MINSIZEREL "-Os -DNDEBUG ${PLATFORM_CFLAGS}")
set(BLENDER_CMAKE_C_FLAGS_RELEASE "-O2 -DNDEBUG ${PLATFORM_CFLAGS}")
set(BLENDER_CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG ${PLATFORM_CFLAGS}")
if(WITH_OPTIMIZED_DEBUG)
set(BLENDER_CMAKE_CXX_FLAGS_DEBUG "-O2 -DNDEBUG ${PLATFORM_CXXFLAGS}")
else()
set(BLENDER_CMAKE_CXX_FLAGS_DEBUG "-g ${PLATFORM_CXXFLAGS}")
endif()
set(BLENDER_CMAKE_CXX_FLAGS_MINSIZEREL "-Os -DNDEBUG ${PLATFORM_CXXFLAGS}")
set(BLENDER_CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG ${PLATFORM_CXXFLAGS}")
set(BLENDER_CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG ${PLATFORM_CXXFLAGS}")
set(CONFIGURE_ENV
export MACOSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET} &&
export MACOSX_SDK_VERSION=${CMAKE_OSX_DEPLOYMENT_TARGET} &&
export CFLAGS=${PLATFORM_CFLAGS} &&
export CXXFLAGS=${PLATFORM_CXXFLAGS} &&
export LDFLAGS=${PLATFORM_LDFLAGS}
)
set(CONFIGURE_ENV_NO_PERL ${CONFIGURE_ENV})
set(CONFIGURE_COMMAND ./configure ${PLATFORM_BUILD_TARGET})
set(CONFIGURE_COMMAND_NO_TARGET ./configure)
endif()
set(DEFAULT_CMAKE_FLAGS
-DCMAKE_BUILD_TYPE=${BUILD_MODE}
-DCMAKE_C_FLAGS_DEBUG=${BLENDER_CMAKE_C_FLAGS_DEBUG}
-DCMAKE_C_FLAGS_MINSIZEREL=${BLENDER_CMAKE_C_FLAGS_MINSIZEREL}
-DCMAKE_C_FLAGS_RELEASE=${BLENDER_CMAKE_C_FLAGS_RELEASE}
-DCMAKE_C_FLAGS_RELWITHDEBINFO=${BLENDER_CMAKE_C_FLAGS_RELWITHDEBINFO}
-DCMAKE_CXX_FLAGS_DEBUG=${BLENDER_CMAKE_CXX_FLAGS_DEBUG}
-DCMAKE_CXX_FLAGS_MINSIZEREL=${BLENDER_CMAKE_CXX_FLAGS_MINSIZEREL}
-DCMAKE_CXX_FLAGS_RELEASE=${BLENDER_CMAKE_CXX_FLAGS_RELEASE}
-DCMAKE_CXX_FLAGS_RELWITHDEBINFO=${CMAKE_CXX_FLAGS_RELWITHDEBINFO}
-DCMAKE_CXX_STANDARD=17
${PLATFORM_CMAKE_FLAGS}
)
if(WIN32)
if(BUILD_MODE STREQUAL Debug)
set(ZLIB_LIBRARY zlibstaticd${LIBEXT})
else()
set(ZLIB_LIBRARY zlibstatic${LIBEXT})
endif()
else()
set(ZLIB_LIBRARY libz${LIBEXT})
endif()
if(MSVC)
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
endif()
set(CMAKE_INSTALL_MESSAGE LAZY)
# On windows we sometimes want to build with ninja, but not all projects quite
# yet, so for select project we pass PLATFORM_ALT_GENERATOR as the generator
if(WIN32)
set(PLATFORM_ALT_GENERATOR "Ninja")
else()
set(PLATFORM_ALT_GENERATOR "Unix Makefiles")
endif()
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