################################################################################ # Copyright 1998-2013 by authors (see AUTHORS.txt) # # This file is part of LuxRender. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. ################################################################################ # Use relative paths # This is mostly to reduce path size for command-line limits on windows if(WIN32) # This seems to break Xcode projects so definitely don't enable on Apple builds set(CMAKE_USE_RELATIVE_PATHS true) set(CMAKE_SUPPRESS_REGENERATION true) endif(WIN32) ########################################################################### # # Compiler Flags # ########################################################################### IF(MSVC) message(STATUS "MSVC") # Change warning level to something saner # Force to always compile with W3 if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]") string(REGEX REPLACE "/W[0-4]" "/W3" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") else() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W3") endif() # Minimizes Windows header files ADD_DEFINITIONS(-DWIN32_LEAN_AND_MEAN) # Do not define MIN and MAX macros ADD_DEFINITIONS(-DNOMINMAX) # Do not warn about standard but insecure functions ADD_DEFINITIONS(-D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS) # Enable Unicode ADD_DEFINITIONS(-D_UNICODE) # Use static FreeImage ADD_DEFINITIONS(-DFREEIMAGE_LIB) # Enable SSE2/SSE/MMX ADD_DEFINITIONS(-D__SSE2__ -D__SSE__ -D__MMX__) IF(MSVC90) message(STATUS "Version 9") # Whole Program Opt. gui display fixed in cmake 2.8.5 # See http://public.kitware.com/Bug/view.php?id=6794 # /GL will be used to build the code but the selection is not displayed in the menu set(MSVC_RELEASE_COMPILER_FLAGS "/WX- /MP /Ox /Ob2 /Oi /Oy /GT /GL /Gm- /EHsc /MD /GS /fp:precise /Zc:wchar_t /Zc:forScope /GR /Gd /TP /GL /GF /Ot") set(MSVC_RELEASE_WITH_DEBUG_COMPILER_FLAGS "/Zi") set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${MSVC_RELEASE_COMPILER_FLAGS} ${MSVC_RELEASE_WITH_DEBUG_COMPILER_FLAGS}") set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${MSVC_RELEASE_COMPILER_FLAGS} ${MSVC_RELEASE_WITH_DEBUG_COMPILER_FLAGS}") #set(MSVC_RELEASE_LINKER_FLAGS "/LTCG /OPT:REF /OPT:ICF") #set(MSVC_RELEASE_WITH_DEBUG_LINKER_FLAGS "/DEBUG") #set(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} ${MSVC_RELEASE_LINKER_FLAGS} ${MSVC_RELEASE_WITH_DEBUG_LINKER_FLAGS}") # currently not in release version but should be soon - in meantime linker will inform you about switching this flag automatically because of /GL set(MSVC_RELEASE_LINKER_FLAGS "/LTCG") set(STATIC_LIBRARY_FLAGS_RELEASE "${STATIC_LIBRARY_FLAGS_RELEASE} ${MSVC_RELEASE_LINKER_FLAGS}") ENDIF(MSVC90) IF(MSVC10) message(STATUS "Version 10") # Whole Program Opt. gui display fixed in cmake 2.8.5 # See http://public.kitware.com/Bug/view.php?id=6794 # /GL will be used to build the code but the selection is not displayed in the menu set(MSVC_RELEASE_COMPILER_FLAGS "/WX- /MP /Ox /Ob2 /Oi /Oy /GT /GL /Gm- /EHsc /MD /GS /arch:SSE2 /fp:precise /Zc:wchar_t /Zc:forScope /GR /openmp /Gd /TP /GL /GF /Ot") set(MSVC_RELEASE_WITH_DEBUG_COMPILER_FLAGS "/Zi") set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${MSVC_RELEASE_COMPILER_FLAGS} ${MSVC_RELEASE_WITH_DEBUG_COMPILER_FLAGS}") set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${MSVC_RELEASE_COMPILER_FLAGS} ${MSVC_RELEASE_WITH_DEBUG_COMPILER_FLAGS}") #set(MSVC_RELEASE_LINKER_FLAGS "/LTCG /OPT:REF /OPT:ICF") #set(MSVC_RELEASE_WITH_DEBUG_LINKER_FLAGS "/DEBUG") #set(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} ${MSVC_RELEASE_LINKER_FLAGS} ${MSVC_RELEASE_WITH_DEBUG_LINKER_FLAGS}") # currently not in release version but should be soon - in meantime linker will inform you about switching this flag automatically because of /GL set(MSVC_RELEASE_LINKER_FLAGS "/LTCG") set(STATIC_LIBRARY_FLAGS_RELEASE "${STATIC_LIBRARY_FLAGS_RELEASE} ${MSVC_RELEASE_LINKER_FLAGS}") ENDIF(MSVC10) ENDIF(MSVC) IF(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX) # Update if necessary set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-long-long -pedantic") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse -msse2 -msse3 -mssse3") IF(NOT CYGWIN) SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC") ENDIF(NOT CYGWIN) SET(CMAKE_CXX_FLAGS_DEBUG "-O0 -g") SET(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG -O3 -ftree-vectorize -fvariable-expansion-in-unroller") ENDIF() # Setting Universal Binary Properties, only for Mac OS X # generate with xcode/crosscompile, setting: ( darwin - 10.6 - gcc - g++ - MacOSX10.6.sdk - Find from root, then native system ) IF(APPLE) IF(COMMAND cmake_policy) IF(CMAKE_VERSION VERSION_LESS 2.8.1) cmake_policy(SET CMP0003 NEW) ELSE(CMAKE_VERSION VERSION_LESS 2.8.1) cmake_policy(SET CMP0015 NEW) ENDIF(CMAKE_VERSION VERSION_LESS 2.8.1) ENDIF(COMMAND cmake_policy) ########## OS and hardware detection ########### execute_process(COMMAND uname -r OUTPUT_VARIABLE MAC_SYS) # check for actual system-version if(${MAC_SYS} MATCHES 14) set(OSX_SYSTEM 10.10) elseif(${MAC_SYS} MATCHES 13) set(OSX_SYSTEM 10.9) elseif(${MAC_SYS} MATCHES 12) set(OSX_SYSTEM 10.8) elseif(${MAC_SYS} MATCHES 11) set(OSX_SYSTEM 10.7) elseif(${MAC_SYS} MATCHES 10) set(OSX_SYSTEM 10.6) else() set(OSX_SYSTEM unsupported) endif() if(NOT ${CMAKE_GENERATOR} MATCHES "Xcode") # unix makefile generator does not fill XCODE_VERSION var ! execute_process(COMMAND xcodebuild -version OUTPUT_VARIABLE XCODE_VERS_BUILDNR ) STRING(SUBSTRING ${XCODE_VERS_BUILDNR} 6 3 XCODE_VERSION) # truncate away build-nr endif() set(CMAKE_OSX_DEPLOYMENT_TARGET 10.6) # keep this @ 10.6 to archieve bw-compatibility by weak-linking ! if(${CMAKE_GENERATOR} MATCHES "Xcode" AND ${XCODE_VERSION} VERSION_LESS 5.0) if(CMAKE_VERSION VERSION_LESS 2.8.1) SET(CMAKE_OSX_ARCHITECTURES i386;x86_64) else(CMAKE_VERSION VERSION_LESS 2.8.1) SET(CMAKE_XCODE_ATTRIBUTE_ARCHS i386\ x86_64) endif(CMAKE_VERSION VERSION_LESS 2.8.1) else() SET(CMAKE_XCODE_ATTRIBUTE_ARCHS $(NATIVE_ARCH_ACTUAL)) endif() if(${XCODE_VERSION} VERSION_LESS 4.3) SET(CMAKE_OSX_SYSROOT /Developer/SDKs/MacOSX${OSX_SYSTEM}.sdk) else() SET(CMAKE_OSX_SYSROOT /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX${OSX_SYSTEM}.sdk) set(CMAKE_XCODE_ATTRIBUTE_SDKROOT macosx) # to silence sdk not found warning, just overrides CMAKE_OSX_SYSROOT, gets alway latest available endif() # set a precedence of sdk path over all other default search pathes SET(CMAKE_FIND_ROOT_PATH ${CMAKE_OSX_SYSROOT}) # INCLUDE_DIRECTORIES( ${OSX_DEPENDENCY_ROOT}/include ) ### options option(OSX_UPDATE_LUXRAYS_REPO "Copy LuxRays dependencies over to macos repo after compile" FALSE) set(LUXRAYS_NO_DEFAULT_CONFIG true) set(LUXRAYS_CUSTOM_CONFIG Config_OSX) if(NOT ${CMAKE_GENERATOR} MATCHES "Xcode") # will be set later in XCode # SET(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE} CACHE STRING "assure config" FORCE) # Setup binaries output directory in Xcode manner SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${CMAKE_BUILD_TYPE} CACHE PATH "per configuration" FORCE) SET(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib/${CMAKE_BUILD_TYPE} CACHE PATH "per configuration" FORCE) endif() #### OSX-flags by jensverwiebe ADD_DEFINITIONS(-fvisibility=hidden -fvisibility-inlines-hidden -Wall -DHAVE_PTHREAD_H) # global compile definitions set(OSX_FLAGS_RELEASE "-ftree-vectorize -msse -msse2 -msse3 -mssse3") # only additional flags set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${OSX_FLAGS_RELEASE}") # cmake emits "-O3 -DNDEBUG" for Release by default, "-O0 -g" for Debug set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${OSX_FLAGS_RELEASE}") SET(CMAKE_XCODE_ATTRIBUTE_DEPLOYMENT_POSTPROCESSING YES) # strip symbols in whole project, disabled in pylux target #SET(CMAKE_XCODE_ATTRIBUTE_DEAD_CODE_STRIPPING YES) # -dead_strip, disabled for clang 3.4 lto bug SET(CMAKE_XCODE_ATTRIBUTE_LLVM_LTO YES) MESSAGE(STATUS "") MESSAGE(STATUS "################ GENERATED XCODE PROJECT INFORMATION ################") MESSAGE(STATUS "") MESSAGE(STATUS "Detected system-version: " ${OSX_SYSTEM}) MESSAGE(STATUS "OSX_DEPLOYMENT_TARGET : " ${CMAKE_OSX_DEPLOYMENT_TARGET}) IF(CMAKE_VERSION VERSION_LESS 2.8.1) MESSAGE(STATUS "Setting CMAKE_OSX_ARCHITECTURES ( cmake lower 2.8 method ): " ${CMAKE_OSX_ARCHITECTURES}) ELSE(CMAKE_VERSION VERSION_LESS 2.8.1) MESSAGE(STATUS "CMAKE_XCODE_ATTRIBUTE_ARCHS ( cmake 2.8 or higher method ): " ${CMAKE_XCODE_ATTRIBUTE_ARCHS}) ENDIF(CMAKE_VERSION VERSION_LESS 2.8.1) if(${XCODE_VERSION} VERSION_GREATER 4.3) MESSAGE(STATUS "OSX SDK SETTING : " ${CMAKE_XCODE_ATTRIBUTE_SDKROOT}${OSX_SYSTEM}) else() MESSAGE(STATUS "OSX SDK SETTING : " ${CMAKE_OSX_SYSROOT}) endif() MESSAGE(STATUS "XCODE_VERSION : " ${XCODE_VERSION}) if(${CMAKE_GENERATOR} MATCHES "Xcode") MESSAGE(STATUS "BUILD_TYPE : Please set in Xcode ALL_BUILD target to aimed type") else() MESSAGE(STATUS "BUILD_TYPE : " ${CMAKE_BUILD_TYPE} " - compile with: make " ) endif() MESSAGE(STATUS "UPDATE_LUXRAYS_IN_MACOS_REPO : " ${OSX_UPDATE_LUXRAYS_REPO}) MESSAGE(STATUS "") MESSAGE(STATUS "#####################################################################") ENDIF(APPLE)