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CMakeLists.txt
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CMakeLists.txt
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#############################################################################
#Copyright (c) 2023,
#
#Distributed under the terms of the GNU General Public License v3.
#
#The full license is in the file LICENSE, distributed with this software.
#############################################################################
cmake_minimum_required(VERSION 3.24)
project(xeus-r)
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake;${CMAKE_MODULE_PATH}")
set(XEUS_R_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include)
set(CMAKE_VERBOSE_MAKEFILE ON)
# Versioning
# ===========
file(STRINGS "${XEUS_R_INCLUDE_DIR}/xeus-r/xeus_r_config.hpp" version_defines
REGEX "#define XEUS_R_VERSION_(MAJOR|MINOR|PATCH)")
foreach (ver ${version_defines})
if (ver MATCHES "#define XEUS_R_VERSION_(MAJOR|MINOR|PATCH) +([^ ]+)$")
set(XEUS_R_VERSION_${CMAKE_MATCH_1} "${CMAKE_MATCH_2}" CACHE INTERNAL "")
endif ()
endforeach ()
set(${PROJECT_NAME}_VERSION
${XEUS_R_VERSION_MAJOR}.${XEUS_R_VERSION_MINOR}.${XEUS_R_VERSION_PATCH})
message(STATUS "Building xeus-r v${${PROJECT_NAME}_VERSION}")
# Build options
# =============
option(XEUS_R_BUILD_STATIC "Build xeus-r static library" ON)
option(XEUS_R_BUILD_SHARED "Split xr build into executable and library" ON)
option(XEUS_R_BUILD_EXECUTABLE "Build the xr executable" ON)
option(XEUS_R_USE_SHARED_XEUS "Link xr with the xeus shared library (instead of the static library)" ON)
option(XEUS_R_USE_SHARED_XEUS_R "Link xr with the xeus-r shared library (instead of the static library)" ON)
option(XEUS_R_EMSCRIPTEN_WASM_BUILD "Build for wasm with emscripten" OFF)
if(EMSCRIPTEN)
add_compile_definitions(XEUS_R_EMSCRIPTEN_WASM_BUILD)
message("Build with emscripten")
set(XEUS_R_BUILD_STATIC ON)
set(XEUS_R_BUILD_SHARED OFF)
set(XEUS_R_BUILD_EXECUTABLE OFF)
set(XEUS_R_USE_SHARED_XEUS OFF)
set(XEUS_R_USE_SHARED_XEUS_R OFF)
# ENV (https://github.com/emscripten-core/emscripten/commit/6d9681ad04f60b41ef6345ab06c29bbc9eeb84e0)
set(EMSCRIPTEN_FEATURES "${EMSCRIPTEN_FEATURES} -s \"EXTRA_EXPORTED_RUNTIME_METHODS=[ENV']\"")
endif()
# Dependencies
# ============
set(xeus_REQUIRED_VERSION 5.0.0)
set(xeus_zmq_REQUIRED_VERSION 3.0.0)
if (NOT TARGET xeus AND NOT TARGET xeus-static)
find_package(xeus ${xeus_REQUIRED_VERSION} REQUIRED)
endif ()
find_package(R REQUIRED)
message(STATUS "R_HOME = ${R_HOME}")
message(STATUS "R_INCLUDE_DIR = ${R_INCLUDE_DIR}")
message(STATUS "R_LDFLAGS = ${R_LDFLAGS}")
message(STATUS "R_LIBRARY_BASE = ${R_LIBRARY_BASE}")
message(STATUS "R_LIBRARY_BLAS = ${R_LIBRARY_BLAS}")
message(STATUS "R_LIBRARY_LAPACK = ${R_LIBRARY_LAPACK}")
message(STATUS "R_VERSION_MAJOR = ${R_VERSION_MAJOR}")
message(STATUS "R_VERSION_MINOR = ${R_VERSION_MINOR}")
# Configuration
# =============
include(GNUInstallDirs)
if (NOT DEFINED XR_KERNELSPEC_PATH)
set(XR_KERNELSPEC_PATH "${CMAKE_INSTALL_FULL_BINDIR}/")
endif ()
get_filename_component(XEUS_R_LD_LIBRARY_PATH "${R_LIBRARY_BASE}" DIRECTORY)
if (MSVC)
configure_file (
"${CMAKE_CURRENT_SOURCE_DIR}/share/jupyter/kernels/xr/kernel-win.json.in"
"${CMAKE_CURRENT_SOURCE_DIR}/share/jupyter/kernels/xr/kernel.json"
)
else ()
configure_file (
"${CMAKE_CURRENT_SOURCE_DIR}/share/jupyter/kernels/xr/kernel.json.in"
"${CMAKE_CURRENT_SOURCE_DIR}/share/jupyter/kernels/xr/kernel.json"
)
endif ()
# Source files
# ============
set(XEUS_R_HEADERS
include/xeus-r/xeus_r_config.hpp
include/xeus-r/xinterpreter.hpp
)
set(XEUS_R_SRC
src/xinterpreter.cpp
src/routines.cpp
)
if(EMSCRIPTEN)
list(APPEND XEUS_R_SRC src/xinterpreter_wasm.cpp)
endif()
set(XEUS_R_MAIN_SRC
src/main.cpp
)
# Targets and link - Macros
# =========================
include(CheckCXXCompilerFlag)
string(TOUPPER "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE)
set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib; ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
macro(xeus_r_set_common_options target_name)
if (MSVC)
target_compile_options(${target_name} PUBLIC /wd4251 /wd4141)
target_compile_options(${target_name} PUBLIC /wd4018 /wd4267 /wd4715 /wd4146 /wd4129)
endif ()
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR
CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR
CMAKE_CXX_COMPILER_ID MATCHES "Intel")
if (EMSCRIPTEN)
target_compile_options(${target_name} PRIVATE -fPIC)
else ()
target_compile_options(${target_name} PUBLIC -Wunused-parameter -Wextra -Wreorder)
endif()
# C++17 flag
CHECK_CXX_COMPILER_FLAG("-std=c++17" HAS_CPP_17_FLAG)
if (HAS_CPP_17_FLAG)
target_compile_features(${target_name} PRIVATE cxx_std_17)
else ()
message(FATAL_ERROR "Unsupported compiler -- xeus-r requires C++17 support!")
endif ()
endif ()
if (APPLE)
set_target_properties(${target_name} PROPERTIES
MACOSX_RPATH ON
)
else ()
set_target_properties(${target_name} PROPERTIES
BUILD_WITH_INSTALL_RPATH 1
SKIP_BUILD_RPATH FALSE
)
endif ()
set_target_properties(${target_name} PROPERTIES
INSTALL_RPATH_USE_LINK_PATH TRUE
)
endmacro()
# Common macro kernels (xr)
macro(xeus_r_set_kernel_options target_name)
if (XEUS_R_USE_SHARED_XEUS_R)
target_link_libraries(${target_name} PRIVATE xeus-r)
if(CMAKE_DL_LIBS)
target_link_libraries(${target_name} PRIVATE ${CMAKE_DL_LIBS} util)
endif()
else ()
target_link_libraries(${target_name} PRIVATE xeus-r-static)
endif()
if(NOT EMSCRIPTEN)
target_link_options(${target_name} PRIVATE "-Wl,-v")
find_package(Threads)
target_link_libraries(${target_name} PRIVATE ${CMAKE_THREAD_LIBS_INIT})
endif()
endmacro()
# Common macro for shared and static library
macro(xeus_r_create_target target_name linkage output_name)
string(TOUPPER "${linkage}" linkage_upper)
if (NOT ${linkage_upper} MATCHES "^(SHARED|STATIC)$")
message(FATAL_ERROR "Invalid library linkage: ${linkage}")
endif ()
add_library(${target_name} ${linkage_upper} ${XEUS_R_SRC} ${XEUS_R_HEADERS})
xeus_r_set_common_options(${target_name})
set_target_properties(${target_name} PROPERTIES
PUBLIC_HEADER "${XEUS_R_HEADERS}"
PREFIX ""
VERSION ${${PROJECT_NAME}_VERSION}
SOVERSION ${XEUS_R_VERSION_MAJOR}
OUTPUT_NAME "lib${output_name}")
target_compile_definitions(${target_name} PUBLIC "XEUS_R_EXPORTS")
target_compile_features(${target_name} PRIVATE cxx_std_17)
target_include_directories(${target_name}
PUBLIC
$<BUILD_INTERFACE:${XEUS_R_INCLUDE_DIR}>
$<INSTALL_INTERFACE:include>
${R_INCLUDE_DIR})
if (XEUS_R_USE_SHARED_XEUS)
set(XEUS_R_XEUS_TARGET xeus)
else ()
set(XEUS_R_XEUS_TARGET xeus-static)
endif ()
if (EMSCRIPTEN)
target_link_libraries(${target_name} PUBLIC ${XEUS_R_XEUS_TARGET} PRIVATE ${R_LIBRARY_BASE} ${R_LIBRARY_BLAS} ${R_LDFLAGS})
else ()
target_link_libraries(${target_name} PUBLIC ${XEUS_R_XEUS_TARGET} PRIVATE ${R_LIBRARY_BASE})
endif ()
if (WIN32 OR CYGWIN)
#
elseif (APPLE)
target_link_libraries(${target_name} PRIVATE "-undefined dynamic_lookup")
endif ()
if(NOT EMSCRIPTEN)
find_package(Threads) # TODO: add Threads as a dependence of xeus-static?
target_link_libraries(${target_name} PRIVATE ${CMAKE_THREAD_LIBS_INIT})
endif()
# MSVC compilers don't support C99 _Complex type
# https://learn.microsoft.com/en-us/cpp/c-runtime-library/complex-math-support?view=msvc-170
if (MSVC)
target_compile_definitions(${target_name} PRIVATE "R_LEGACY_RCOMPLEX")
endif ()
endmacro()
# xeus-r
# ===========
set(XEUS_R_TARGETS "")
if (XEUS_R_BUILD_SHARED)
# Build libraries
xeus_r_create_target(xeus-r SHARED xeus-r)
list(APPEND XEUS_R_TARGETS xeus-r)
endif ()
if (XEUS_R_BUILD_STATIC)
# On Windows, a static library should use a different output name
# to avoid the conflict with the import library of a shared one.
if (CMAKE_HOST_WIN32)
xeus_r_create_target(xeus-r-static STATIC xeus-r-static)
else ()
xeus_r_create_target(xeus-r-static STATIC xeus-r)
endif ()
list(APPEND XEUS_R_TARGETS xeus-r-static)
endif ()
# xr
# =======
if (XEUS_R_BUILD_EXECUTABLE)
find_package(xeus-zmq ${xeus_zmq_REQUIRED_VERSION} REQUIRED)
add_executable(xr ${XEUS_R_MAIN_SRC})
target_compile_features(xr PRIVATE cxx_std_17)
xeus_r_set_common_options(xr)
xeus_r_set_kernel_options(xr)
target_link_libraries(xr PRIVATE xeus xeus-zmq)
endif()
if(EMSCRIPTEN)
include(WasmBuildOptions)
find_package(xeus-lite REQUIRED)
add_executable(xr src/main_emscripten_kernel.cpp )
target_link_libraries(xr PRIVATE xeus-lite)
xeus_r_set_kernel_options(xr)
xeus_wasm_compile_options(xr)
xeus_wasm_link_options(xr "web,worker")
endif()
# Installation
# ============
include(CMakePackageConfigHelpers)
set(XEUS_R_CMAKECONFIG_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}" CACHE STRING "install path for xeus-rConfig.cmake")
# Install xeus-r and xeus-r-static
if (XEUS_R_BUILD_SHARED)
install(TARGETS ${XEUS_R_TARGETS}
EXPORT ${PROJECT_NAME}-targets
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/xeus-r)
# Makes the project importable from the build directory
export(EXPORT ${PROJECT_NAME}-targets
FILE "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Targets.cmake")
endif ()
# Install xr
if (XEUS_R_BUILD_EXECUTABLE)
install(TARGETS xr
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
endif()
if (XEUS_R_BUILD_EXECUTABLE OR EMSCRIPTEN)
# Configuration and data directories for jupyter and xeus-r
set(XJUPYTER_DATA_DIR "share/jupyter" CACHE STRING "Jupyter data directory")
# Install xr Jupyter kernelspec
set(KERNELSPEC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/share/jupyter/kernels)
install(DIRECTORY ${KERNELSPEC_DIR}
DESTINATION ${XJUPYTER_DATA_DIR}
PATTERN "*.in" EXCLUDE)
# Extra path for installing Jupyter kernelspec
if (XEXTRA_JUPYTER_DATA_DIR)
install(DIRECTORY ${KERNELSPEC_DIR}
DESTINATION ${XEXTRA_JUPYTER_DATA_DIR}
PATTERN "*.in" EXCLUDE)
endif ()
endif ()
# Configure 'xeus-rConfig.cmake' for a build tree
set(XEUS_R_CONFIG_CODE "####### Expanded from \@XEUS_R_CONFIG_CODE\@ #######\n")
set(XEUS_R_CONFIG_CODE "${XEUS_R_CONFIG_CODE}set(CMAKE_MODULE_PATH \"${CMAKE_CURRENT_SOURCE_DIR}/cmake;\${CMAKE_MODULE_PATH}\")\n")
set(XEUS_R_CONFIG_CODE "${XEUS_R_CONFIG_CODE}##################################################")
configure_package_config_file(${PROJECT_NAME}Config.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
INSTALL_DESTINATION ${PROJECT_BINARY_DIR})
# Configure 'xeus-rConfig.cmake.in for an install tree
set(XEUS_R_CONFIG_CODE "")
configure_package_config_file(${PROJECT_NAME}Config.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${PROJECT_NAME}Config.cmake"
INSTALL_DESTINATION ${XEUS_R_CMAKECONFIG_INSTALL_DIR})
write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
VERSION ${${PROJECT_NAME}_VERSION}
COMPATIBILITY AnyNewerVersion)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${PROJECT_NAME}Config.cmake
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
DESTINATION ${XEUS_R_CMAKECONFIG_INSTALL_DIR})
if (XEUS_R_BUILD_SHARED)
install(EXPORT ${PROJECT_NAME}-targets
FILE ${PROJECT_NAME}Targets.cmake
DESTINATION ${XEUS_R_CMAKECONFIG_INSTALL_DIR})
endif ()
if(EMSCRIPTEN)
install(FILES
"$<TARGET_FILE_DIR:xr>/xr.js"
"$<TARGET_FILE_DIR:xr>/xr.wasm"
DESTINATION ${CMAKE_INSTALL_BINDIR})
endif ()