cling/CMakeLists.txt
2016-10-16 11:39:16 +02:00

495 lines
17 KiB
CMake

cmake_minimum_required(VERSION 3.4.3)
# If we are not building as a part of LLVM, build Cling as an
# standalone project, using LLVM as an external library:
if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR )
project(Cling)
if(WIN32)
# We need cmake to support exporting of symbols not only from libraries but
# from executables too. This way cling can find symbols from its own
# executable during runtime.
cmake_minimum_required(VERSION 3.6.2)
endif(WIN32)
# Rely on llvm-config.
set(CONFIG_OUTPUT)
find_program(LLVM_CONFIG "llvm-config")
if(LLVM_CONFIG)
message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}")
set(CONFIG_COMMAND ${LLVM_CONFIG}
"--assertion-mode"
"--bindir"
"--libdir"
"--includedir"
"--prefix"
"--src-root")
execute_process(
COMMAND ${CONFIG_COMMAND}
RESULT_VARIABLE HAD_ERROR
OUTPUT_VARIABLE CONFIG_OUTPUT
)
if(NOT HAD_ERROR)
string(REGEX REPLACE
"[ \t]*[\r\n]+[ \t]*" ";"
CONFIG_OUTPUT ${CONFIG_OUTPUT})
else()
string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}")
message(STATUS "${CONFIG_COMMAND_STR}")
message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}")
endif()
else()
message(FATAL_ERROR "llvm-config not found -- ${LLVM_CONFIG}")
endif()
list(GET CONFIG_OUTPUT 0 ENABLE_ASSERTIONS)
list(GET CONFIG_OUTPUT 1 TOOLS_BINARY_DIR)
list(GET CONFIG_OUTPUT 2 LIBRARY_DIR)
list(GET CONFIG_OUTPUT 3 INCLUDE_DIR)
list(GET CONFIG_OUTPUT 4 LLVM_OBJ_ROOT)
list(GET CONFIG_OUTPUT 5 MAIN_SRC_DIR)
if(NOT MSVC_IDE)
set(LLVM_ENABLE_ASSERTIONS ${ENABLE_ASSERTIONS}
CACHE BOOL "Enable assertions")
# Assertions should follow llvm-config's.
mark_as_advanced(LLVM_ENABLE_ASSERTIONS)
endif()
set(LLVM_TOOLS_BINARY_DIR ${TOOLS_BINARY_DIR} CACHE PATH "Path to llvm/bin")
set(LLVM_LIBRARY_DIR ${LIBRARY_DIR} CACHE PATH "Path to llvm/lib")
set(LLVM_MAIN_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include")
set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree")
set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree")
find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR}
NO_DEFAULT_PATH)
set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm")
set(LLVMCONFIG_FILE "${LLVM_CMAKE_PATH}/LLVMConfig.cmake")
if(EXISTS ${LLVMCONFIG_FILE})
list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
include(${LLVMCONFIG_FILE})
else()
message(FATAL_ERROR "Not found: ${LLVMCONFIG_FILE}")
endif()
# They are used as destination of target generators.
set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
if(WIN32 OR CYGWIN)
# DLL platform -- put DLLs into bin.
set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
else()
set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
endif()
option(LLVM_INSTALL_TOOLCHAIN_ONLY
"Only include toolchain files in the 'install' target." OFF)
option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN
"Set to ON to force using an old, unsupported host toolchain." OFF)
include(AddLLVM)
include(TableGen)
include(HandleLLVMOptions)
include(VersionFromVCS)
set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")
if (NOT DEFINED LLVM_INCLUDE_TESTS)
set(LLVM_INCLUDE_TESTS ON)
endif()
include_directories("${LLVM_BINARY_DIR}/include" "${LLVM_MAIN_INCLUDE_DIR}")
link_directories("${LLVM_LIBRARY_DIR}")
set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin )
set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX} )
if(LLVM_INCLUDE_TESTS)
set(Python_ADDITIONAL_VERSIONS 2.7)
include(FindPythonInterp)
if(NOT PYTHONINTERP_FOUND)
message(FATAL_ERROR
"Unable to find Python interpreter, required for builds and testing.
Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
endif()
if( ${PYTHON_VERSION_STRING} VERSION_LESS 2.7 )
message(FATAL_ERROR "Python 2.7 or newer is required")
endif()
# Check prebuilt llvm/utils.
if(EXISTS ${LLVM_TOOLS_BINARY_DIR}/FileCheck${CMAKE_EXECUTABLE_SUFFIX}
AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/count${CMAKE_EXECUTABLE_SUFFIX}
AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/not${CMAKE_EXECUTABLE_SUFFIX})
set(LLVM_UTILS_PROVIDED ON)
endif()
if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
if(NOT LLVM_UTILS_PROVIDED)
add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/FileCheck utils/FileCheck)
add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/count utils/count)
add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/not utils/not)
set(LLVM_UTILS_PROVIDED ON)
set(CLING_TEST_DEPS FileCheck count not clang)
endif()
set(UNITTEST_DIR ${LLVM_MAIN_SRC_DIR}/utils/unittest)
if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h
AND NOT EXISTS ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}
AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt)
add_subdirectory(${UNITTEST_DIR} utils/unittest)
endif()
else()
# Seek installed Lit.
find_program(LLVM_LIT "lit.py" ${LLVM_MAIN_SRC_DIR}/utils/lit
DOC "Path to lit.py")
endif()
if(LLVM_LIT)
# Define the default arguments to use with 'lit', and an option for the user
# to override.
set(LIT_ARGS_DEFAULT "-sv")
if (MSVC OR XCODE)
set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
endif()
set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
# On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
if( WIN32 AND NOT CYGWIN )
set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
endif()
else()
set(LLVM_INCLUDE_TESTS OFF)
endif()
endif()
set( CLING_BUILT_STANDALONE 1 )
set(BACKEND_PACKAGE_STRING "LLVM ${LLVM_PACKAGE_VERSION}")
else()
set(BACKEND_PACKAGE_STRING "${PACKAGE_STRING}")
endif()
set(CLING_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set(CLING_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
"the makefiles distributed with LLVM. Please create a directory and run cmake "
"from there, passing the path to this source directory as the last argument. "
"This process created the file `CMakeCache.txt' and the directory "
"`CMakeFiles'. Please delete them.")
endif()
# From ROOT:
function(cling_add_cxx_flag var flag)
string(REGEX REPLACE "[-.+/:= ]" "_" flag_esc "${flag}")
CHECK_CXX_COMPILER_FLAG("${flag}" CXX_HAS${flag_esc})
if(CXX_HAS${flag_esc})
set(${var} "${${var}} ${flag}" PARENT_SCOPE)
endif()
endfunction()
# Add appropriate flags for GCC
if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual")
if (NOT "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
endif ()
foreach (check_flag "-Wno-nested-anon-types" "-Wno-covered-switch-default" "-Wno-unused-local-typedef")
cling_add_cxx_flag(CMAKE_CXX_FLAGS ${check_flag})
endforeach ()
endif ()
string(REPLACE "-fvisibility=hidden" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
# The package needs to be compiler without RTTI information
if(MSVC)
add_definitions(/GR- /DNOMINMAX)
else()
add_definitions(-fno-rtti)
endif()
if (APPLE)
set(CMAKE_MODULE_LINKER_FLAGS "-Wl,-flat_namespace -Wl,-undefined -Wl,suppress")
endif ()
include(CMakeParseArguments)
macro(add_cling_subdirectory name)
add_llvm_subdirectory(CLING TOOL ${name})
endmacro()
file (STRINGS "VERSION" CLING_VERSION)
string(REGEX REPLACE "([0-9]).[0-9]+~[a-zA-Z]+" "\\1" CLING_VERSION_MAJOR ${CLING_VERSION})
string(REGEX REPLACE "[0-9].([0-9]+)~[a-zA-Z]+" "\\1" CLING_VERSION_MINOR ${CLING_VERSION})
if(DEFINED ROOT_BINARY_DIR)
# Building as part of ROOT.
set(CLING_VERSION ROOT_${CLING_VERSION})
endif()
message(STATUS "Cling version (from VERSION file): ${CLING_VERSION}")
set(CLING_VERSION_PATCHLEVEL 0)
macro(set_cling_windows_version_resource_properties name)
if(DEFINED windows_resource_file)
set_windows_version_resource_properties(${name} ${windows_resource_file}
VERSION_MAJOR ${CLING_VERSION_MAJOR}
VERSION_MINOR ${CLING_VERSION_MINOR}
VERSION_PATCHLEVEL ${CLING_VERSION_PATCHLEVEL}
VERSION_STRING "${CLING_VERSION} (${BACKEND_PACKAGE_STRING})"
PRODUCT_NAME "cling")
endif()
endmacro()
macro(add_cling_library name)
cmake_parse_arguments(ARG
"SHARED"
""
"ADDITIONAL_HEADERS"
${ARGN})
set(srcs)
if(MSVC_IDE OR XCODE)
# Add public headers
file(RELATIVE_PATH lib_path
${CLING_SOURCE_DIR}/lib/
${CMAKE_CURRENT_SOURCE_DIR}
)
if(NOT lib_path MATCHES "^[.][.]")
file( GLOB_RECURSE headers
${CLING_SOURCE_DIR}/include/cling/${lib_path}/*.h
${CLING_SOURCE_DIR}/include/cling/${lib_path}/*.def
)
set_source_files_properties(${headers} PROPERTIES HEADER_FILE_ONLY ON)
file( GLOB_RECURSE tds
${CLING_SOURCE_DIR}/include/cling/${lib_path}/*.td
)
source_group("TableGen descriptions" FILES ${tds})
set_source_files_properties(${tds}} PROPERTIES HEADER_FILE_ONLY ON)
if(headers OR tds)
set(srcs ${headers} ${tds})
endif()
endif()
endif(MSVC_IDE OR XCODE)
if(srcs OR ARG_ADDITIONAL_HEADERS)
set(srcs
ADDITIONAL_HEADERS
${srcs}
${ARG_ADDITIONAL_HEADERS} # It may contain unparsed unknown args.
)
endif()
if(ARG_SHARED)
set(ARG_ENABLE_SHARED SHARED)
endif()
llvm_add_library(${name} ${ARG_ENABLE_SHARED} ${ARG_UNPARSED_ARGUMENTS} ${srcs})
if(TARGET ${name})
target_link_libraries(${name} ${INTERFACE} ${LLVM_COMMON_LIBS})
if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "libcling")
install(TARGETS ${name}
COMPONENT ${name}
EXPORT ClingTargets
LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
RUNTIME DESTINATION bin)
if (${ARG_SHARED} AND NOT CMAKE_CONFIGURATION_TYPES)
add_custom_target(install-${name}
DEPENDS ${name}
COMMAND "${CMAKE_COMMAND}"
-DCMAKE_INSTALL_COMPONENT=${name}
-P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
endif()
endif()
set_property(GLOBAL APPEND PROPERTY CLING_EXPORTS ${name})
else()
# Add empty "phony" target
add_custom_target(${name})
endif()
set_target_properties(${name} PROPERTIES FOLDER "Cling libraries")
set_cling_windows_version_resource_properties(${name})
endmacro(add_cling_library)
macro(add_cling_executable name)
add_llvm_executable( ${name} ${ARGN} )
set_target_properties(${name} PROPERTIES FOLDER "Cling executables")
set_cling_windows_version_resource_properties(${name})
endmacro(add_cling_executable)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
option(ROOT_CLASSIC "Building as part of the ROOT (classic)." OFF)
if(DEFINED ROOT_BINARY_DIR)
# Building as part of ROOT (CMake)
include_directories(BEFORE
${CMAKE_CURRENT_BINARY_DIR}/../llvm/src/tools/clang/include
${CMAKE_CURRENT_SOURCE_DIR}/../llvm/src/tools/clang/include
)
elseif(ROOT_CLASSIC)
# Building as part of ROOT (classic)
include_directories(BEFORE
${CMAKE_CURRENT_BINARY_DIR}/../llvm/obj/tools/clang/include
${CMAKE_CURRENT_SOURCE_DIR}/../llvm/src/tools/clang/include
)
else()
# and this when building Cling standalone:
include_directories(BEFORE
${CMAKE_CURRENT_BINARY_DIR}/../clang/include
${CMAKE_CURRENT_SOURCE_DIR}/../clang/include
)
endif()
include_directories(BEFORE
${CMAKE_CURRENT_BINARY_DIR}/include
${CMAKE_CURRENT_SOURCE_DIR}/include
)
if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
install(DIRECTORY include/cling include/cling-c
DESTINATION include
FILES_MATCHING
PATTERN "*.def"
PATTERN "*.h"
PATTERN "config.h" EXCLUDE
PATTERN ".svn" EXCLUDE
)
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/cling
DESTINATION include
FILES_MATCHING
PATTERN "CMakeFiles" EXCLUDE
PATTERN "*.inc"
PATTERN "*.h"
)
endif()
add_definitions( -D_GNU_SOURCE -DCLING_VERSION=${CLING_VERSION})
option(CLING_INCLUDE_TESTS
"Generate build targets for the Cling unit tests."
${LLVM_INCLUDE_TESTS})
if (NOT WIN32)
set(cling_path_delim ":")
else()
set(cling_path_delim ";")
endif()
#Allow user to prepend to list via cmake -DCLING_INCLUDE_PATHS=
if(DEFINED ROOT_BINARY_DIR)
if( CLING_INCLUDE_TESTS )
set(cling_include_deflt "${CMAKE_INSTALL_PREFIX}/include${cling_path_delim}\
${CMAKE_CURRENT_SOURCE_DIR}/include${cling_path_delim}\
${CMAKE_CURRENT_SOURCE_DIR}/../llvm/src/tools/clang/include${cling_path_delim}\
${CMAKE_CURRENT_SOURCE_DIR}/../llvm/src/include"
)
endif()
else()
if( CLING_INCLUDE_TESTS )
set(cling_include_deflt "${CMAKE_INSTALL_PREFIX}/include${cling_path_delim}\
${CMAKE_CURRENT_SOURCE_DIR}/include${cling_path_delim}\
${CMAKE_CURRENT_SOURCE_DIR}/../clang/include${cling_path_delim}\
${CMAKE_CURRENT_SOURCE_DIR}/../../include"
)
if (WIN32)
set(cling_include_deflt "${cling_include_deflt}${cling_path_delim}\
${CMAKE_BINARY_DIR}/include${cling_path_delim}\
${CMAKE_BINARY_DIR}/tools/clang/include"
)
endif()
endif()
endif()
if(NOT CLING_INCLUDE_PATHS)
set(CLING_INCLUDE_PATHS "${cling_include_deflt}")
else()
set(CLING_INCLUDE_PATHS "${CLING_INCLUDE_PATHS}${cling_path_delim}${cling_include_deflt}")
endif()
# All targets below may depend on all tablegen'd files.
get_property(CLANG_TABLEGEN_TARGETS GLOBAL PROPERTY CLANG_TABLEGEN_TARGETS)
list(APPEND LLVM_COMMON_DEPENDS ${CLANG_TABLEGEN_TARGETS})
# And llvm-intrinsics.
list(APPEND LLVM_COMMON_DEPENDS intrinsics_gen)
add_subdirectory(lib)
add_subdirectory(tools)
if( CLING_INCLUDE_TESTS )
add_subdirectory(test)
if(CLING_BUILT_STANDALONE)
# Add a global check rule now that all subdirectories have been traversed
# and we know the total set of lit testsuites.
get_property(LLVM_LIT_TESTSUITES GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS)
get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS)
get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS)
add_lit_target(check-all
"Running all regression tests"
${LLVM_LIT_TESTSUITES}
PARAMS ${LLVM_LIT_PARAMS}
DEPENDS ${LLVM_LIT_DEPENDS}
ARGS ${LLVM_LIT_EXTRA_ARGS}
)
endif()
endif()
option(CLING_INCLUDE_DOCS "Generate build targets for the Cling docs."
${LLVM_INCLUDE_DOCS})
if( CLING_INCLUDE_DOCS )
add_subdirectory(docs)
endif()
if(EXISTS "${CMAKE_CURRENT_BINARY_DIR}/cling.order")
file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/cling.order")
endif()
if(CLING_ORDER_FILE STREQUAL "${CMAKE_CURRENT_BINARY_DIR}/cling.order")
unset(CLING_ORDER_FILE CACHE)
unset(CLING_ORDER_FILE)
endif()
set(CLING_ORDER_FILE "" CACHE FILEPATH
"Order file to use when compiling cling in order to improve startup time.")
if (CLING_BUILT_STANDALONE OR CMAKE_VERSION VERSION_EQUAL 3 OR
CMAKE_VERSION VERSION_GREATER 3)
# Generate a list of CMake library targets so that other CMake projects can
# link against them. LLVM calls its version of this file LLVMExports.cmake, but
# the usual CMake convention seems to be ${Project}Targets.cmake.
set(CLING_INSTALL_PACKAGE_DIR lib${LLVM_LIBDIR_SUFFIX}/cmake/cling)
set(cling_cmake_builddir "${CMAKE_BINARY_DIR}/${CLING_INSTALL_PACKAGE_DIR}")
get_property(CLING_EXPORTS GLOBAL PROPERTY CLING_EXPORTS)
export(TARGETS ${CLING_EXPORTS} FILE ${cling_cmake_builddir}/ClingTargets.cmake)
# Install a <prefix>/lib/cmake/cling/ClingConfig.cmake file so that
# find_package(Cling) works. Install the target list with it.
install(EXPORT ClingTargets DESTINATION ${CLING_INSTALL_PACKAGE_DIR})
install(FILES
${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClingConfig.cmake
DESTINATION lib${LLVM_LIBDIR_SUFFIX}/cmake/cling)
install(DIRECTORY tools/Jupyter/kernel DESTINATION share/cling/Jupyter)
# Also copy ClingConfig.cmake to the build directory so that dependent projects
# can build against a build directory of Cling more easily.
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules/ClingConfig.cmake
${CLING_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/cling/ClingConfig.cmake
COPYONLY)
endif ()