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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required (VERSION 3.13..3.18)
set(CMAKE_OSX_DEPLOYMENT_TARGET 10.13)
# Extract project version from source
file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/include/nanogui/common.h"
nanogui_version_defines REGEX "#define NANOGUI_VERSION_(MAJOR|MINOR|PATCH) ")
foreach(ver ${nanogui_version_defines})
if(ver MATCHES [[#define NANOGUI_VERSION_(MAJOR|MINOR|PATCH) +([^ ]+)$]])
set(NANOGUI_VERSION_${CMAKE_MATCH_1} "${CMAKE_MATCH_2}")
endif()
endforeach()
if(NANOGUI_VERSION_PATCH MATCHES [[\.([a-zA-Z0-9]+)$]])
set(NANOGUI_VERSION_TYPE "${CMAKE_MATCH_1}")
endif()
string(REGEX MATCH "^[0-9]+" NANOGUI_VERSION_PATCH "${NANOGUI_VERSION_PATCH}")
set(NANOGUI_VERSION "${NANOGUI_VERSION_MAJOR}.${NANOGUI_VERSION_MINOR}.${NANOGUI_VERSION_PATCH}")
message(STATUS "NanoGUI v${NANOGUI_VERSION} ${NANOGUI_VERSION_TYPE}")
project(nanogui
DESCRIPTION
"NanoGUI"
LANGUAGES
CXX C
VERSION
${NANOGUI_VERSION}
)
if (NOT IS_DIRECTORY "${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()
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 "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE)
set(NANOGUI_MASTER_PROJECT OFF)
if (${CMAKE_CURRENT_SOURCE_DIR} STREQUAL ${CMAKE_SOURCE_DIR})
set(NANOGUI_MASTER_PROJECT ON)
endif()
if (WIN32)
set(NANOGUI_BUILD_GLAD_DEFAULT ON)
else()
set(NANOGUI_BUILD_GLAD_DEFAULT OFF)
endif()
set(NANOGUI_BUILD_SHARED_DEFAULT ON)
set(NANOGUI_BUILD_PYTHON_DEFAULT ON)
set(NANOGUI_BUILD_GLFW_DEFAULT ON)
if (CMAKE_CXX_COMPILER MATCHES "/em\\+\\+(-[a-zA-Z0-9.])?$")
set(CMAKE_CXX_COMPILER_ID "Emscripten")
set(NANOGUI_BUILD_SHARED_DEFAULT OFF)
set(NANOGUI_BUILD_PYTHON_DEFAULT OFF)
set(NANOGUI_BUILD_GLAD_DEFAULT OFF)
set(NANOGUI_BUILD_GLFW_DEFAULT OFF)
set(CMAKE_STATIC_LIBRARY_SUFFIX ".bc")
set(CMAKE_EXECUTABLE_SUFFIX ".bc")
set(CMAKE_CXX_CREATE_STATIC_LIBRARY "<CMAKE_CXX_COMPILER> -o <TARGET> <LINK_FLAGS> <OBJECTS>")
if (U_CMAKE_BUILD_TYPE MATCHES REL)
add_compile_options(-O3 -DNDEBUG)
endif()
endif()
# Compile for a sufficiently recent processor. Assumes Nehalem+ (with SSE4.2) by
# default. You may want to set MTS_NATIVE_FLAGS to "-march=native" to use all
# instructions available on a particular machine.
if (MSVC)
set(NANOGUI_NATIVE_FLAGS_DEFAULT "")
elseif (APPLE AND CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64")
# Apple M1 compatibility
set(NANOGUI_NATIVE_FLAGS_DEFAULT "-mcpu=apple-a12")
else()
set(NANOGUI_NATIVE_FLAGS_DEFAULT "-march=nehalem")
endif()
option(NANOGUI_BUILD_EXAMPLES "Build NanoGUI example application?" ON)
option(NANOGUI_BUILD_SHARED "Build NanoGUI as a shared library?" ${NANOGUI_BUILD_SHARED_DEFAULT})
option(NANOGUI_BUILD_PYTHON "Build a Python plugin for NanoGUI?" ${NANOGUI_BUILD_PYTHON_DEFAULT})
option(NANOGUI_BUILD_GLAD "Build GLAD OpenGL loader library? (needed on Windows)" ${NANOGUI_BUILD_GLAD_DEFAULT})
option(NANOGUI_BUILD_GLFW "Build GLFW?" ${NANOGUI_BUILD_GLFW_DEFAULT})
option(NANOGUI_INSTALL "Install NanoGUI on `make install`?" ON)
set(NANOGUI_NATIVE_FLAGS ${NANOGUI_NATIVE_FLAGS_DEFAULT} CACHE STRING
"Compilation flags used to target the host processor architecture.")
if (NOT NANOGUI_BACKEND)
if (CMAKE_SYSTEM_PROCESSOR MATCHES "armv7" OR
CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64" OR
CMAKE_CXX_COMPILER MATCHES "/em\\+\\+(-[a-zA-Z0-9.])?$")
set(NANOGUI_BACKEND_DEFAULT "GLES 2")
elseif (APPLE)
set(NANOGUI_BACKEND_DEFAULT "Metal")
else()
set(NANOGUI_BACKEND_DEFAULT "OpenGL")
endif()
set(NANOGUI_BACKEND ${NANOGUI_BACKEND_DEFAULT} CACHE STRING "Choose the backend used for rendering (OpenGL/GLES 2/GLES 3/Metal)" FORCE)
endif()
set_property(CACHE NANOGUI_BACKEND PROPERTY STRINGS "OpenGL" "GLES 2" "GLES 3" "Metal")
# Required libraries, flags, and include files for compiling and linking against nanogui (all targets)
set(NANOGUI_EXTRA_INCS "")
include(CheckCXXCompilerFlag)
include(CheckCXXSourceRuns)
macro(CHECK_CXX_COMPILER_AND_LINKER_FLAGS _RESULT _CXX_FLAGS _LINKER_FLAGS)
set(CMAKE_REQUIRED_FLAGS ${_CXX_FLAGS})
set(CMAKE_REQUIRED_LIBRARIES ${_LINKER_FLAGS})
set(CMAKE_REQUIRED_QUIET TRUE)
check_cxx_source_runs("#include <iostream>\nint main(int argc, char **argv) { std::cout << \"test\"; return 0; }" ${_RESULT})
set(CMAKE_REQUIRED_FLAGS "")
set(CMAKE_REQUIRED_LIBRARIES "")
endmacro()
if (NANOGUI_BACKEND MATCHES "(OpenGL|GLES 2|GLES 3)")
list(APPEND NANOGUI_EXTRA
src/texture_gl.cpp src/shader_gl.cpp
src/renderpass_gl.cpp src/opengl.cpp
src/opengl_check.h
)
endif()
if (NANOGUI_BACKEND STREQUAL "OpenGL")
set(NANOGUI_BACKEND_DEFS -DNANOGUI_USE_OPENGL)
set(NANOGUI_GLOB "resources/*.gl")
message(STATUS "NanoGUI: using OpenGL backend.")
elseif (NANOGUI_BACKEND STREQUAL "GLES 2")
set(NANOGUI_BACKEND_DEFS -DNANOGUI_USE_GLES -DNANOGUI_GLES_VERSION=2)
set(NANOGUI_GLOB "resources/*.gles")
message(STATUS "NanoGUI: using GLES 2 backend.")
elseif (NANOGUI_BACKEND STREQUAL "GLES 3")
set(NANOGUI_BACKEND_DEFS -DNANOGUI_USE_GLES -DNANOGUI_GLES_VERSION=3)
set(NANOGUI_GLOB "resources/*.gles")
message(STATUS "NanoGUI: using GLES 3 backend.")
elseif (NANOGUI_BACKEND STREQUAL "Metal")
set(NANOGUI_BACKEND_DEFS -DNANOGUI_USE_METAL)
list(APPEND NANOGUI_EXTRA
ext/nanovg_metal/src/nanovg_mtl.m ext/nanovg_metal/src/nanovg_mtl.h
src/texture_metal.mm src/shader_metal.mm src/renderpass_metal.mm
)
set(NANOGUI_GLOB "resources/*.metal")
include_directories(ext/nanovg_metal/src)
message(STATUS "NanoGUI: using Metal backend.")
endif()
# Shared library mode: add dllimport/dllexport flags to all symbols
if (NANOGUI_BUILD_SHARED)
message(STATUS "NanoGUI: building shared library.")
else()
message(STATUS "NanoGUI: building static library.")
endif()
add_compile_options(${NANOGUI_NATIVE_FLAGS})
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 "${CMAKE_CXX_FLAGS} /MP")
endif()
# Compile with compiler warnings turned on
if (MSVC)
if (CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${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()
# Use C++17, visibility=hidden by default, interprocedural optimization
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_VISIBILITY_PRESET hidden)
# Prefer libc++ in conjunction with Clang
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND NOT CMAKE_CXX_FLAGS MATCHES "-stdlib=libc\\+\\+")
CHECK_CXX_COMPILER_AND_LINKER_FLAGS(HAS_LIBCPP "-stdlib=libc++" "-stdlib=libc++")
if (APPLE OR HAS_LIBCPP)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++ -D_LIBCPP_VERSION")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -stdlib=libc++")
message(STATUS "NanoGUI: using libc++.")
else()
CHECK_CXX_COMPILER_AND_LINKER_FLAGS(HAS_LIBCPP_AND_CPPABI "-stdlib=libc++" "-stdlib=libc++ -lc++abi")
if (HAS_LIBCPP_AND_CPPABI)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++ -D_LIBCPP_VERSION")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++ -lc++abi")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -stdlib=libc++ -lc++abi")
message(STATUS "NanoGUI: using libc++ and libc++abi.")
else()
message(FATAL_ERROR "When Clang is used to compile NanoGUI, libc++ must be available -- GCC's libstdc++ is not supported! (please insteall the libc++ development headers, provided e.g. by the packages 'libc++-dev' and 'libc++abi-dev' on Debian/Ubuntu).")
endif()
endif()
endif()
# Compile GLFW
if (NANOGUI_BUILD_GLFW)
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(GLFW_USE_CHDIR 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()
add_subdirectory(ext/glfw)
# Two targets have now been defined: `glfw_objects`, which will be merged into
# NanoGUI at the end, and `glfw`. The `glfw` target is the library itself
# (e.g., libglfw.so), but can be skipped as we do not need to link against it
# (because we merge `glfw_objects` into NanoGUI). Skipping is required for
# XCode, but preferable for all build systems (reduces build artifacts).
set_target_properties(glfw PROPERTIES EXCLUDE_FROM_ALL 1 EXCLUDE_FROM_DEFAULT_BUILD 1)
mark_as_advanced(
GLFW_BUILD_DOCS GLFW_BUILD_EXAMPLES GLFW_BUILD_INSTALL GLFW_BUILD_TESTS
GLFW_DOCUMENT_INTERNALS GLFW_INSTALL GLFW_USE_CHDIR GLFW_USE_MENUBAR
GLFW_USE_OSMESA GLFW_VULKAN_STATIC GLFW_USE_RETINA GLFW_USE_MIR
BUILD_SHARED_LIBS USE_MSVC_RUNTIME_LIBRARY_DLL)
endif()
if (NANOGUI_BUILD_GLAD)
# Build and include GLAD on Windows
list(APPEND NANOGUI_EXTRA
ext/glad/src/glad.c
ext/glad/include/glad/glad.h
ext/glad/include/KHR/khrplatform.h)
if (MSVC)
set_source_files_properties(ext/glad/src/glad.c
PROPERTIES COMPILE_FLAGS /wd4055)
endif()
endif()
if (${CMAKE_SYSTEM_NAME} MATCHES "BSD")
include_directories(/usr/local/include)
link_directories(/usr/local/lib)
if (${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")
include_directories(/usr/X11R6/include/)
link_directories(/usr/X11R6/lib)
endif()
endif()
# Adapt to variations in rpath handling on Linux and macOS
if (APPLE)
set(NANOGUI_ORIGIN "@loader_path")
elseif(UNIX)
set(NANOGUI_ORIGIN "$ORIGIN")
endif()
# Required core libraries on various platforms
if (${CMAKE_CXX_COMPILER_ID} MATCHES "Emscripten")
# No dependencies
elseif (WIN32)
list(APPEND NANOGUI_LIBS opengl32)
elseif (APPLE)
find_library(cocoa_library Cocoa)
find_library(iokit_library IOKit)
list(APPEND NANOGUI_LIBS ${cocoa_library} ${iokit_library})
mark_as_advanced(cocoa_library iokit_library)
if (NANOGUI_BACKEND STREQUAL "OpenGL")
find_library(corevideo_library CoreVideo)
find_library(opengl_library OpenGL)
# Disable OpenGL deprecation warnings
add_definitions(-DGL_SILENCE_DEPRECATION)
list(APPEND NANOGUI_LIBS ${opengl_library} ${corevideo_library})
mark_as_advanced(opengl_library corevideo_library)
else()
find_library(metal_library Metal)
find_library(quartzcore_library QuartzCore)
list(APPEND NANOGUI_LIBS ${metal_library} ${quartzcore_library})
mark_as_advanced(metal_library quartzcore_library)
endif()
list(APPEND NANOGUI_EXTRA src/darwin.mm src/autorelease.mm)
set_property(SOURCE src/autorelease.mm PROPERTY COMPILE_FLAGS -fno-objc-arc)
elseif (CMAKE_SYSTEM MATCHES "Linux" OR CMAKE_SYSTEM_NAME MATCHES "BSD")
list(APPEND NANOGUI_LIBS X11 pthread)
if (NANOGUI_BACKEND STREQUAL "OpenGL")
list(APPEND NANOGUI_LIBS GL)
elseif (NANOGUI_BACKEND STREQUAL "GLES 2")
list(APPEND NANOGUI_LIBS GLESv2)
elseif (NANOGUI_BACKEND STREQUAL "GLES 3")
list(APPEND NANOGUI_LIBS GLESv3)
endif()
if (NOT CMAKE_SYSTEM_NAME MATCHES "OpenBSD")
list(APPEND NANOGUI_LIBS rt)
endif()
if (CMAKE_SYSTEM MATCHES "Linux")
list(APPEND NANOGUI_LIBS dl)
endif()
endif()
# Run simple cmake converter to put font files into the data segment
# Glob up resource files
file(GLOB resources
"${CMAKE_CURRENT_SOURCE_DIR}/resources/*.ttf"
"${NANOGUI_GLOB}")
file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/resources")
# Precompile .metal shaders to .metallib files
foreach(fname_in IN LISTS resources)
if (NANOGUI_BACKEND STREQUAL "Metal" AND fname_in MATCHES "\\.metal")
get_filename_component(fname_out ${fname_in} NAME)
set(fname_out "${CMAKE_CURRENT_BINARY_DIR}/resources/${fname_out}lib")
add_custom_command(
OUTPUT ${fname_out}
DEPENDS ${fname_in}
COMMAND xcrun -sdk macosx metal -std=osx-metal2.0 -O3 "${fname_in}" -o "${fname_out}"
VERBATIM
)
else()
set(fname_out "${fname_in}")
endif()
list(APPEND resources_processed ${fname_out})
endforeach()
# Concatenate resource files into a comma separated string
string(REGEX REPLACE "([^\\]|^);" "\\1," resources_string "${resources_processed}")
string(REGEX REPLACE "[\\](.)" "\\1" resources_string "${resources_string}")
# Create command line for running bin2c cmake script
set(bin2c_cmdline
-DOUTPUT_C=nanogui_resources.cpp
-DOUTPUT_H=nanogui_resources.h
"-DINPUT_FILES=${resources_string}"
-P "${CMAKE_CURRENT_SOURCE_DIR}/resources/bin2c.cmake")
# Run bin2c on resource files
add_custom_command(
OUTPUT nanogui_resources.cpp nanogui_resources.h
COMMAND ${CMAKE_COMMAND} ARGS ${bin2c_cmdline}
DEPENDS ${resources} ${resources_processed}
COMMENT "Running bin2c"
PRE_BUILD VERBATIM)
# Needed to generated files
include_directories(${CMAKE_CURRENT_BINARY_DIR})
# Set library type
if (NANOGUI_BUILD_SHARED)
set(NANOGUI_LIBRARY_TYPE "SHARED")
else()
set(NANOGUI_LIBRARY_TYPE "STATIC")
endif()
if (APPLE AND CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# Use automatic reference counting for Objective-C portions
add_compile_options(-fobjc-arc)
endif()
if (NANOGUI_BUILD_GLFW)
list(APPEND NANOGUI_EXTRA $<TARGET_OBJECTS:glfw_objects>)
endif()
# Compile main NanoGUI library
add_library(nanogui ${NANOGUI_LIBRARY_TYPE}
# Merge NanoVG into the NanoGUI library
ext/nanovg/src/nanovg.c
ext/nanovg/src/stb_image.h
# Merge GLAD into the NanoGUI library (only if needed)
${NANOGUI_EXTRA}
# Fonts etc.
nanogui_resources.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/textarea.h src/textarea.cpp
include/nanogui/imagepanel.h src/imagepanel.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/tabwidget.h src/tabwidget.cpp
include/nanogui/canvas.h src/canvas.cpp
include/nanogui/texture.h src/texture.cpp
include/nanogui/shader.h src/shader.cpp
include/nanogui/imageview.h src/imageview.cpp
include/nanogui/traits.h src/traits.cpp
include/nanogui/renderpass.h
include/nanogui/formhelper.h
include/nanogui/icons.h
include/nanogui/toolbutton.h
include/nanogui/opengl.h
include/nanogui/nanogui.h
)
target_compile_definitions(nanogui
PUBLIC
${NANOGUI_BACKEND_DEFS}
PRIVATE
-DNANOGUI_BUILD
-DNVG_STB_IMAGE_IMPLEMENTATION
)
target_include_directories(nanogui
PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
PRIVATE
ext/nanovg/src
${CMAKE_CURRENT_BINARY_DIR}
)
if (NANOGUI_BUILD_SHARED)
target_compile_definitions(nanogui
PUBLIC
-DNANOGUI_SHARED -DNVG_SHARED
PRIVATE
-DNVG_BUILD
)
if (NANOGUI_BUILD_GLAD)
target_compile_definitions(nanogui
PUBLIC
-DGLAD_GLAPI_EXPORT
PRIVATE
-DGLAD_GLAPI_EXPORT_BUILD
)
endif()
if (NANOGUI_BUILD_GLFW)
target_compile_definitions(nanogui PRIVATE _GLFW_BUILD_DLL)
endif()
endif()
target_include_directories(nanogui PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/ext/nanovg/src>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/nanovg>)
if (NANOGUI_BUILD_GLAD)
target_compile_definitions(nanogui PUBLIC -DNANOGUI_GLAD)
target_include_directories(nanogui PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/ext/glad/include>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/glad>)
endif()
if (NANOGUI_BUILD_GLFW)
target_include_directories(nanogui PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/ext/glfw/include>)
endif()
if (NANOGUI_BUILD_SHARED)
target_link_libraries(nanogui PRIVATE ${NANOGUI_LIBS})
set_property(TARGET nanogui PROPERTY INTERPROCEDURAL_OPTIMIZATION ON)
set_property(TARGET nanogui PROPERTY DEFINE_SYMBOL "")
else()
target_link_libraries(nanogui PUBLIC ${NANOGUI_LIBS})
endif()
# Auto-detect GLES include directory on Raspberry PI
if (EXISTS /opt/vc/include)
target_include_directories(nanogui PUBLIC /opt/vc/include)
endif()
if (NANOGUI_INSTALL)
install(TARGETS nanogui
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
install(DIRECTORY include/nanogui DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
FILES_MATCHING PATTERN "*.h")
install(DIRECTORY ext/nanovg/src/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/nanovg
FILES_MATCHING PATTERN "*.h")
if (NANOGUI_BUILD_GLFW)
install(DIRECTORY ext/glfw/include/GLFW DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
FILES_MATCHING PATTERN "*.h")
endif()
if (NANOGUI_BUILD_GLAD)
install(DIRECTORY ext/glad/include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/glad
FILES_MATCHING PATTERN "*.h")
endif()
install(TARGETS nanogui EXPORT nanoguiTargets)
set(NANOGUI_CMAKECONFIG_INSTALL_DIR "${CMAKE_INSTALL_DATAROOTDIR}/cmake/nanogui")
configure_package_config_file(
resources/nanoguiConfig.cmake.in nanoguiConfig.cmake
INSTALL_DESTINATION ${NANOGUI_CMAKECONFIG_INSTALL_DIR})
write_basic_package_version_file(
nanoguiConfigVersion.cmake
VERSION ${PROJECT_VERSION}
COMPATIBILITY AnyNewerVersion ARCH_INDEPENDENT)
install(
EXPORT nanoguiTargets
DESTINATION ${NANOGUI_CMAKECONFIG_INSTALL_DIR})
install(
FILES
${CMAKE_CURRENT_BINARY_DIR}/nanoguiConfigVersion.cmake
${CMAKE_CURRENT_BINARY_DIR}/nanoguiConfig.cmake
DESTINATION ${NANOGUI_CMAKECONFIG_INSTALL_DIR})
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()
# Build example application if desired
if (NANOGUI_BUILD_EXAMPLES)
add_executable(example1 src/example1.cpp)
add_executable(example2 src/example2.cpp)
add_executable(example3 src/example3.cpp)
add_executable(example4 src/example4.cpp)
add_executable(example_icons src/example_icons.cpp)
target_link_libraries(example1 nanogui)
target_link_libraries(example2 nanogui)
target_link_libraries(example3 nanogui ${NANOGUI_LIBS}) # For OpenGL
target_link_libraries(example4 nanogui)
target_link_libraries(example_icons nanogui)
# Copy icons for example application
file(COPY resources/icons DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
endif()
if (NANOGUI_BUILD_PYTHON)
message(STATUS "NanoGUI: building the Python plugin.")
if (NOT TARGET pybind11::module)
if (SKBUILD)
execute_process(
COMMAND
"${PYTHON_EXECUTABLE}" -c
"import pybind11; print(pybind11.get_cmake_dir())"
OUTPUT_VARIABLE _tmp_dir
OUTPUT_STRIP_TRAILING_WHITESPACE COMMAND_ECHO STDOUT)
list(APPEND CMAKE_PREFIX_PATH "${_tmp_dir}")
find_package(pybind11 CONFIG REQUIRED)
else()
find_package(Python COMPONENTS Interpreter Development REQUIRED)
# Allow overriding the pybind11 library used to compile NanoGUI
set(NANOGUI_PYBIND11_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ext/pybind11"
CACHE STRING "Path containing the 'pybind11' library used to compile nanogui.")
add_subdirectory(${NANOGUI_PYBIND11_DIR} ext/pybind11)
mark_as_advanced(
USE_PYTHON_INCLUDE_DIR PYBIND11_INSTALL PYBIND11_TEST PYBIND11_NOPYTHON
PYBIND11_FINDPYTHON PYBIND11_PYTHON_VERSION PYBIND11_WERROR
NANOGUI_PYBIND11_DIR)
endif()
endif()
add_subdirectory(src/python)
else()
message(STATUS "NanoGUI: not building the Python plugin.")
endif()
if (NANOGUI_BUILD_PYTHON AND NANOGUI_MASTER_PROJECT)
# Create documentation for python plugin (optional target for developers)
string(REPLACE " " ";" MKDOC_CXX_FLAGS ${CMAKE_CXX_FLAGS})
get_property(MKDOC_INCLUDE_DIRECTORIES DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY INCLUDE_DIRECTORIES)
get_property(MKDOC_COMPILE_DEFINITIONS DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY COMPILE_DEFINITIONS)
foreach (value ${MKDOC_INCLUDE_DIRECTORIES})
list(APPEND MKDOC_CXX_FLAGS -I${value})
endforeach()
# Make sure platform specific code gets kept in py_doc.h (specifically __doc_nanogui_chdir_to_bundle_parent)
list(APPEND MKDOC_COMPILE_DEFINITIONS "DOXYGEN_DOCUMENTATION_BUILD")
foreach (value ${MKDOC_COMPILE_DEFINITIONS})
list(APPEND MKDOC_CXX_FLAGS -D${value})
endforeach()
add_custom_target(docstrings USES_TERMINAL COMMAND
${Python_EXECUTABLE} -m pybind11_mkdoc -std=c++17 -stdlib=libc++
${MKDOC_CXXFLAGS}
${NANOGUI_BACKEND_DEFS}
-I${PROJECT_SOURCE_DIR}/include
-I${PROJECT_SOURCE_DIR}/ext/glfw/include
-I${PROJECT_SOURCE_DIR}/ext/nanovg/src
${PROJECT_SOURCE_DIR}/include/nanogui/*.h
-o ${CMAKE_CURRENT_SOURCE_DIR}/src/python/py_doc.h
)
endif()
# vim: set et ts=2 sw=2 ft=cmake nospell: