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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 2.8)
project(clouds)
#-------------------------------------------------------------------------------
# Build options
#-------------------------------------------------------------------------------
option(BUILD_LIBCGL "Build with libCGL" ON)
option(BUILD_DEBUG "Build with debug settings" OFF)
option(BUILD_DOCS "Build documentation" OFF)
if (BUILD_DEBUG)
set(CMAKE_BUILD_TYPE Debug)
endif()
if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
set(BUILD_DEBUG ON CACHE BOOL "Build with debug settings" FORCE)
endif()
#-------------------------------------------------------------------------------
# Platform-specific settings
#-------------------------------------------------------------------------------
###################
# Building on OSX #
###################
if(APPLE)
# OSX Framework dependencies
if(NOT BUILD_LIBCGL)
include_directories( "/System/Library/Frameworks" )
find_library (COCOA_LIBRARIES Cocoa)
find_library (IOKIT_LIBRARIES IOkit)
find_library (COREVIDEO_LIBRARIES CoreVideo)
endif()
# Clang configuration
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
set(CLANG_CXX_FLAGS "-std=c++11 -m64")
if(BUILD_DEBUG)
set(CMAKE_BUILD_TYPE Debug)
set(CLANG_CXX_FLAGS "${CLANG_CXX_FLAGS} -g")
else(BUILD_DEBUG)
set(CLANG_CXX_FLAGS "${CLANG_CXX_FLAGS} -O3")
set(CLANG_CXX_FLAGS "${CLANG_CXX_FLAGS} -funroll-loops")
set(CLANG_CXX_FLAGS "${CLANG_CXX_FLAGS} -Wno-narrowing")
set(CLANG_CXX_FLAGS "${CLANG_CXX_FLAGS} -Wno-deprecated-register")
endif(BUILD_DEBUG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CLANG_CXX_FLAGS}")
endif()
# GCC configuration
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
set(GCC_CXX_FLAGS "-std=gnu++11 -m64")
if(BUILD_DEBUG)
set(CMAKE_BUILD_TYPE Debug)
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -g")
else(BUILD_DEBUG)
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -O3")
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -fopenmp")
endif(BUILD_DEBUG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_CXX_FLAGS}")
endif()
endif(APPLE)
##################
# Build on Linux #
##################
if(UNIX AND NOT APPLE)
# GCC only
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
set(GCC_CXX_FLAGS "-std=gnu++11 -m64")
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -Wno-deprecated-declarations")
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -Wno-misleading-indentation")
# X11 Dependencies
if(NOT BUILD_LIBCGL)
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -lXi")
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -lXxf86vm")
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -lXinerama")
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -lXcursor")
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -lXfixes")
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -lXrandr")
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -lXext")
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -lXrender")
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -lX11")
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -lpthread")
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -lxcb")
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -lXau")
endif()
# Debug configuration
if(BUILD_DEBUG)
set(CMAKE_BUILD_TYPE Debug)
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -g")
else(BUILD_DEBUG)
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -O3")
set(GCC_CXX_FLAGS "${GCC_CXX_FLAGS} -fopenmp")
endif(BUILD_DEBUG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_CXX_FLAGS}")
endif()
endif()
####################
# Build on Windows #
####################
if(WIN32)
# EIGEN fix:
# See "Cause 4" here:
# https://eigen.tuxfamily.org/dox/group__TopicUnalignedArrayAssert.html
# NOTE: future maintainers, you may want to use add_compile_definitions instead.
# this was added because too many students are using old CMake (<3.12) versions.
add_definitions(/DEIGEN_DONT_ALIGN)
if(MSVC)
set(MSVC_CXX_FLAGS "-std=gnu++11")
if(BUILD_DEBUG)
set(CMAKE_BUILD_TYPE Debug)
else(BUILD_DEBUG)
set(CMAKE_BUILD_TYPE Release)
endif(BUILD_DEBUG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MSVC_CXX_FLAGS}")
endif(MSVC)
if(MINGW)
set(MSVC_CXX_FLAGS "-std=gnu++11")
if(BUILD_DEBUG)
set(CMAKE_BUILD_TYPE Debug)
else(BUILD_DEBUG)
set(CMAKE_BUILD_TYPE Release)
endif(BUILD_DEBUG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MSVC_CXX_FLAGS}")
endif(MINGW)
endif(WIN32)
#-------------------------------------------------------------------------------
# nanogui configuration and compilation
#-------------------------------------------------------------------------------
# Disable building extras we won't need (pure C++ project)
set(NANOGUI_BUILD_EXAMPLE OFF CACHE BOOL " " FORCE)
set(NANOGUI_BUILD_PYTHON OFF CACHE BOOL " " FORCE)
set(NANOGUI_INSTALL OFF CACHE BOOL " " FORCE)
set(NANOGUI_USE_GLAD ON CACHE BOOL " " FORCE)
# Add the configurations from nanogui
add_subdirectory(ext/nanogui)
include_directories(ext/nanogui/include)
# For reliability of parallel build, make the NanoGUI targets dependencies
set_property(TARGET glfw glfw_objects nanogui PROPERTY FOLDER "dependencies")
# For Windows, set the library output directory to put the DLL's next
# to the binary. I tried to use add_custom_command to just do a copy as a
# POST_BUILD setting, but for some reason no matter what the command does,
# Visual Studio will complain about its solution file being modified?
# In the interest of avoiding the flood of Piazza posts inquiring about this,
# we take the more robust route.
if(WIN32)
# Also worth mentioning is that since NANOGUI produces a DLL on windows,
# it is considered a "RUNTIME" and not a "LIBRARY" target according to CMake.
# See https://cmake.org/cmake/help/v3.0/prop_tgt/RUNTIME_OUTPUT_DIRECTORY.html
# > For DLL platforms the DLL part of a shared library is treated as a runtime target
set_target_properties(nanogui PROPERTIES
RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
endif(WIN32)
#-------------------------------------------------------------------------------
# Find dependencies
#-------------------------------------------------------------------------------
# Required packages
find_package(OpenGL REQUIRED)
find_package(Threads REQUIRED)
find_package(OpenMP)
if (OPENMP_FOUND)
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
endif()
if(NOT WIN32)
find_package(Freetype REQUIRED)
endif()
# CGL
if(BUILD_LIBCGL)
add_subdirectory(CGL)
include_directories(CGL/include)
else(BUILD_LIBCGL)
find_package(CGL REQUIRED)
endif(BUILD_LIBCGL)
#-------------------------------------------------------------------------------
# Add subdirectories
#-------------------------------------------------------------------------------
add_subdirectory(src)
# build documentation
if(BUILD_DOCS)
find_package(DOXYGEN)
if(DOXYGEN_FOUND AND BUILD_DOCS)
add_subdirectory(docs)
endif()
endif()
# Install settings
set(CMAKE_INSTALL_PREFIX "${CLOUDS_SOURCE_DIR}/")