reactphysics3d/testbed/nanogui/CMakeLists.txt
2016-03-03 17:25:53 +01:00

342 lines
13 KiB
CMake

cmake_minimum_required (VERSION 2.8.3)
project("NanoGUI")
if(NOT IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/ext/glfw/src")
message(FATAL_ERROR "The NanoGUI dependency repositories (GLFW, etc.) are missing! "
"You probably did not clone the project with --recursive. It is possible to recover "
"by calling \"git submodule update --init --recursive\"")
endif()
option(NANOGUI_BUILD_EXAMPLE "Build NanoGUI example application?" OFF)
option(NANOGUI_BUILD_SHARED "Build NanoGUI as a shared library?" OFF)
option(NANOGUI_BUILD_PYTHON "Build a Python plugin for NanoGUI?" OFF)
set(NANOGUI_PYTHON_VERSION "" CACHE STRING "Python version to use for compiling the Python plugin")
# Required libraries for linking against nanogui (all targets)
set(NANOGUI_EXTRA_LIBS "")
# Platform-dependent files for libnanogui
set(LIBNANOGUI_EXTRA_SOURCE "")
if(APPLE AND NANOGUI_BUILD_SHARED)
set(CMAKE_MACOSX_RPATH ON)
endif()
include(CheckCXXCompilerFlag)
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(STATUS "Setting build type to 'Release' as none was specified.")
set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
"MinSizeRel" "RelWithDebInfo")
endif()
string(TOUPPER "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE)
set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL " " FORCE)
set(GLFW_BUILD_TESTS OFF CACHE BOOL " " FORCE)
set(GLFW_BUILD_DOCS OFF CACHE BOOL " " FORCE)
set(GLFW_BUILD_INSTALL OFF CACHE BOOL " " FORCE)
set(GLFW_INSTALL OFF CACHE BOOL " " FORCE)
set(BUILD_SHARED_LIBS ${NANOGUI_BUILD_SHARED} CACHE BOOL " " FORCE)
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# Quench annoying deprecation warnings when compiling GLFW on OSX
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations")
endif()
# Compile GLFW
add_subdirectory("${CMAKE_CURRENT_SOURCE_DIR}/ext/glfw" "ext_build/glfw")
# Python support: add NANOGUI_PYTHON flag to all targets
if (NANOGUI_BUILD_PYTHON)
add_definitions ("-DNANOGUI_PYTHON")
endif()
# Shared library mode: add NANOGUI_SHARED flag to all targets
if (NANOGUI_BUILD_SHARED)
add_definitions ("-DNANOGUI_SHARED")
endif()
if (MSVC)
# Disable annoying MSVC warnings (all targets)
add_definitions(/D "_CRT_SECURE_NO_WARNINGS")
# Parallel build on MSVC (all targets)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
if (NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:SSE2")
# Disable Eigen vectorization for Windows 32 bit builds (issues with unaligned access segfaults)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /DEIGEN_DONT_ALIGN")
endif()
endif()
# Compile with compiler warnings turned on
if(MSVC)
if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
endif()
elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
endif()
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
CHECK_CXX_COMPILER_FLAG("-std=c++14" HAS_CPP14_FLAG)
CHECK_CXX_COMPILER_FLAG("-std=c++11" HAS_CPP11_FLAG)
if (HAS_CPP14_FLAG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
elseif (HAS_CPP11_FLAG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
else()
message(FATAL_ERROR "Unsupported compiler -- pybind11 requires C++11 support!")
endif()
endif()
if(WIN32)
# Build and include GLEW on Windows
list(APPEND LIBNANOGUI_EXTRA_SOURCE "${CMAKE_CURRENT_SOURCE_DIR}/ext/glew/src/glew.c")
set_source_files_properties("${CMAKE_CURRENT_SOURCE_DIR}/ext/glew/src/glew.c" PROPERTIES COMPILE_DEFINITIONS GLEW_BUILD)
include_directories(ext/glew/include)
endif()
# Required core libraries on various platforms
if (WIN32)
list(APPEND NANOGUI_EXTRA_LIBS opengl32)
elseif (APPLE)
find_library(cocoa_library Cocoa)
find_library(opengl_library OpenGL)
find_library(corevideo_library CoreVideo)
find_library(iokit_library IOKit)
list(APPEND NANOGUI_EXTRA_LIBS ${cocoa_library} ${opengl_library} ${corevideo_library} ${iokit_library})
list(APPEND LIBNANOGUI_EXTRA_SOURCE src/darwin.mm)
elseif(CMAKE_SYSTEM MATCHES "Linux")
list(APPEND NANOGUI_EXTRA_LIBS GL Xxf86vm Xrandr Xinerama Xcursor Xi X11 pthread dl rt)
endif()
include_directories(ext/eigen ext/glfw/include ext/nanovg/src include ${CMAKE_CURRENT_BINARY_DIR})
# Run simple C converter to put font files into the data segment
add_executable(bin2c resources/bin2c.c)
set(bin2c_cmdline nanogui_resources.cpp nanogui_resources.h)
file(GLOB resources "${CMAKE_CURRENT_SOURCE_DIR}/resources/*.ttf")
foreach(file ${resources})
list(APPEND bin2c_cmdline ${file})
endforeach()
# Run bin2c on resource files
add_custom_command(
OUTPUT nanogui_resources.cpp nanogui_resources.h
COMMAND bin2c ARGS ${bin2c_cmdline}
DEPENDS bin2c ${resources}
COMMENT "Running bin2c"
PRE_BUILD VERBATIM)
# Needed to generated files
include_directories(${CMAKE_CURRENT_BINARY_DIR})
# Set library type
if(NANOGUI_BUILD_SHARED)
set(NANOGUI_LIBRARY_TYPE "SHARED")
else()
set(NANOGUI_LIBRARY_TYPE "STATIC")
endif()
# Compile main NanoGUI library
add_library(nanogui ${NANOGUI_LIBRARY_TYPE}
# Merge GLFW into the NanoGUI library
$<TARGET_OBJECTS:glfw_objects>
# Merge NanoVG into the NanoGUI library
ext/nanovg/src/nanovg.c
# Merge GLEW into the NanoGUI library (only if needed)
${LIBNANOGUI_EXTRA_SOURCE}
# Fonts etc.
nanogui_resources.cpp
include/nanogui/glutil.h src/glutil.cpp
include/nanogui/common.h src/common.cpp
include/nanogui/widget.h src/widget.cpp
include/nanogui/theme.h src/theme.cpp
include/nanogui/layout.h src/layout.cpp
include/nanogui/screen.h src/screen.cpp
include/nanogui/label.h src/label.cpp
include/nanogui/window.h src/window.cpp
include/nanogui/popup.h src/popup.cpp
include/nanogui/checkbox.h src/checkbox.cpp
include/nanogui/button.h src/button.cpp
include/nanogui/popupbutton.h src/popupbutton.cpp
include/nanogui/combobox.h src/combobox.cpp
include/nanogui/progressbar.h src/progressbar.cpp
include/nanogui/slider.h src/slider.cpp
include/nanogui/messagedialog.h src/messagedialog.cpp
include/nanogui/textbox.h src/textbox.cpp
include/nanogui/imagepanel.h src/imagepanel.cpp
include/nanogui/imageview.h src/imageview.cpp
include/nanogui/vscrollpanel.h src/vscrollpanel.cpp
include/nanogui/colorwheel.h src/colorwheel.cpp
include/nanogui/colorpicker.h src/colorpicker.cpp
include/nanogui/graph.h src/graph.cpp
include/nanogui/formhelper.h
include/nanogui/toolbutton.h
include/nanogui/opengl.h
include/nanogui/nanogui.h
include/nanogui/serializer/core.h
include/nanogui/serializer/opengl.h
include/nanogui/serializer/sparse.h
src/serializer.cpp
)
# Compile/link flags for NanoGUI
set_property(TARGET nanogui APPEND PROPERTY COMPILE_DEFINITIONS "NANOGUI_BUILD ")
if (NANOGUI_BUILD_SHARED)
target_link_libraries(nanogui ${NANOGUI_EXTRA_LIBS})
endif()
if (NOT ${U_CMAKE_BUILD_TYPE} MATCHES DEBUG AND NANOGUI_BUILD_SHARED)
# Link-time code generation (only for shared library)
if (MSVC)
set_property(TARGET nanogui APPEND_STRING PROPERTY LINK_FLAGS "/LTCG ")
set_property(TARGET nanogui APPEND_STRING PROPERTY COMPILE_FLAGS "/GL ")
elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
set_property(TARGET nanogui APPEND_STRING PROPERTY COMPILE_FLAGS "-fvisibility=hidden ")
# Check for Link Time Optimization support
CHECK_CXX_COMPILER_FLAG("-flto" HAS_LTO_FLAG)
if (HAS_LTO_FLAG)
set_property(TARGET nanogui APPEND_STRING PROPERTY COMPILE_FLAGS "-flto ")
endif()
endif()
endif()
if (NANOGUI_BUILD_SHARED)
# When GLFW is merged into the NanoGUI library, this flag must be specified
set_property(TARGET nanogui APPEND PROPERTY COMPILE_DEFINITIONS "_GLFW_BUILD_DLL ")
endif()
if (NANOGUI_BUILD_SHARED AND NOT ${U_CMAKE_BUILD_TYPE} MATCHES DEBUG)
if (APPLE)
# Strip .dylib library on OSX
add_custom_command(TARGET nanogui POST_BUILD COMMAND strip -u -r ${CMAKE_CURRENT_BINARY_DIR}/libnanogui.dylib)
elseif(UNIX)
# Strip .so library on Linux
add_custom_command(TARGET nanogui POST_BUILD COMMAND strip ${CMAKE_CURRENT_BINARY_DIR}/libnanogui.so)
endif()
endif()
# Quench warnings while compiling NanoVG
if (CMAKE_COMPILER_IS_GNUCC)
set_source_files_properties(ext/nanovg/src/nanovg.c PROPERTIES COMPILE_FLAGS -Wno-unused-result)
elseif(MSVC)
set_source_files_properties(ext/nanovg/src/nanovg.c PROPERTIES COMPILE_FLAGS "/wd4005 /wd4456 /wd4457")
endif()
if (NANOGUI_BUILD_SHARED)
set_source_files_properties(ext/nanovg/src/nanovg.c PROPERTIES COMPILE_DEFINITIONS "NVG_BUILD;NVG_SHARED")
else()
set_source_files_properties(ext/nanovg/src/nanovg.c PROPERTIES COMPILE_DEFINITIONS "NVG_BUILD")
endif()
# Build example application if desired
if(NANOGUI_BUILD_EXAMPLE)
add_executable(example1 src/example1.cpp)
add_executable(example2 src/example2.cpp)
target_link_libraries(example1 nanogui ${NANOGUI_EXTRA_LIBS})
target_link_libraries(example2 nanogui ${NANOGUI_EXTRA_LIBS})
# Copy icons for example application
file(COPY resources/icons DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
endif()
if (NANOGUI_BUILD_PYTHON)
# Detect Python
set(Python_ADDITIONAL_VERSIONS 3.4 3.5 3.6 3.7)
find_package(PythonLibs ${NANOGUI_PYTHON_VERSION})
if (NOT PYTHONLIBS_FOUND)
# Python not found -- disable the plugin
set(NANOGUI_BUILD_PYTHON OFF CACHE BOOL "Build a Python plugin for NanoGUI?" FORCE)
endif()
endif()
if (NANOGUI_BUILD_PYTHON)
# Need PIC code in libnanogui even when compiled as a static library
set_target_properties(nanogui PROPERTIES POSITION_INDEPENDENT_CODE ON)
set_target_properties(glfw_objects PROPERTIES POSITION_INDEPENDENT_CODE ON)
include_directories("ext/pybind11/include" ${PYTHON_INCLUDE_DIR})
add_library(nanogui_python SHARED python/python.cpp python/python.h python/py_doc.h)
set_target_properties(nanogui_python PROPERTIES OUTPUT_NAME "nanogui")
target_link_libraries(nanogui_python nanogui ${NANOGUI_EXTRA_LIBS})
# Quench GCC-related warnings
if (CMAKE_COMPILER_IS_GNUCC)
set_source_files_properties(python/python.cpp PROPERTIES COMPILE_FLAGS -Wno-unused-variable)
endif()
set_target_properties(nanogui_python PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/python)
set_target_properties(nanogui_python PROPERTIES PREFIX "")
if (WIN32)
# .PYD file extension on Windows
set_target_properties(nanogui_python PROPERTIES SUFFIX ".pyd")
# Set output path
set_target_properties(nanogui_python PROPERTIES ARCHIVE_OUTPUT_DIRECTORY_RELEASE "Release/python")
set_target_properties(nanogui_python PROPERTIES ARCHIVE_OUTPUT_DIRECTORY_DEBUG "Debug/python")
set_target_properties(nanogui_python PROPERTIES ARCHIVE_OUTPUT_DIRECTORY_MINSIZEREL "MinSizeRel/python")
set_target_properties(nanogui_python PROPERTIES ARCHIVE_OUTPUT_DIRECTORY_RELWITHDEBINFO "RelWithDebInfo/python")
set_target_properties(nanogui_python PROPERTIES RUNTIME_OUTPUT_DIRECTORY_RELEASE "Release/python")
set_target_properties(nanogui_python PROPERTIES RUNTIME_OUTPUT_DIRECTORY_DEBUG "Debug/python")
set_target_properties(nanogui_python PROPERTIES RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL "MinSizeRel/python")
set_target_properties(nanogui_python PROPERTIES RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO "RelWithDebInfo/python")
# Link against the Python shared library
target_link_libraries(nanogui_python ${PYTHON_LIBRARY})
if (MSVC)
# Optimize size, /bigobj is needed for due to the heavy template metaprogramming in pybind11
set_target_properties(nanogui_python PROPERTIES COMPILE_FLAGS "/Os /bigobj")
endif()
elseif(UNIX)
# .SO file extension on Linux/Mac OS
set_target_properties(nanogui_python PROPERTIES SUFFIX ".so")
# Optimize for a small binary size
if (NOT ${U_CMAKE_BUILD_TYPE} MATCHES DEBUG)
set_target_properties(nanogui_python PROPERTIES COMPILE_FLAGS "-Os -fvisibility=hidden ")
endif()
# Strip unnecessary sections of the binary on Linux/Mac OS
if(APPLE)
set_target_properties(nanogui_python PROPERTIES MACOSX_RPATH ".")
set_target_properties(nanogui_python PROPERTIES LINK_FLAGS "-undefined dynamic_lookup ")
if (NOT ${U_CMAKE_BUILD_TYPE} MATCHES DEBUG)
add_custom_command(TARGET nanogui_python POST_BUILD COMMAND strip -u -r ${CMAKE_CURRENT_BINARY_DIR}/python/nanogui.so)
endif()
else()
if (NOT ${U_CMAKE_BUILD_TYPE} MATCHES DEBUG)
add_custom_command(TARGET nanogui_python POST_BUILD COMMAND strip ${CMAKE_CURRENT_BINARY_DIR}/python/nanogui.so)
endif()
endif()
endif()
endif()
get_directory_property(NANOGUI_HAS_PARENT PARENT_DIRECTORY)
if(NANOGUI_HAS_PARENT)
# This project is included from somewhere else. Export NANOGUI_EXTRA_LIBS variable
set(NANOGUI_EXTRA_LIBS ${NANOGUI_EXTRA_LIBS} PARENT_SCOPE)
else()
# Create documentation for python plugin (optional target for developers)
add_custom_target(mkdoc COMMAND
python3 ${CMAKE_CURRENT_SOURCE_DIR}/ext/pybind11/tools/mkdoc.py
-Iinclude -Iext/nanovg/src
${CMAKE_CURRENT_SOURCE_DIR}/include/nanogui/*.h > ${CMAKE_CURRENT_SOURCE_DIR}/python/py_doc.h)
endif()
# vim: set et ts=2 sw=2 ft=cmake nospell: