# See docs/CMake.html for instructions about how to build LLVM with CMake.
project(LLVM)
cmake_minimum_required(VERSION 2.8)
# Add path for custom modules
set(CMAKE_MODULE_PATH
${CMAKE_MODULE_PATH}
"${CMAKE_CURRENT_SOURCE_DIR}/cmake"
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
)
set(PACKAGE_VERSION "3.0")
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
include(VersionFromVCS)
option(LLVM_APPEND_VC_REV
"Append the version control system revision id to LLVM version" OFF)
if( LLVM_APPEND_VC_REV )
add_version_info_from_vcs(PACKAGE_VERSION)
endif()
set(PACKAGE_NAME llvm)
set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu")
if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
message(FATAL_ERROR "In-source builds are not allowed.
CMake would overwrite the makefiles distributed with LLVM.
Please create a directory and run cmake from there, passing the path
to this source directory as the last argument.
This process created the file `CMakeCache.txt' and the directory `CMakeFiles'.
Please delete them.")
endif()
string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
set(LLVM_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/include)
set(LLVM_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
set(LLVM_TOOLS_BINARY_DIR ${LLVM_BINARY_DIR}/bin)
set(LLVM_EXAMPLES_BINARY_DIR ${LLVM_BINARY_DIR}/examples)
set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
file(GLOB_RECURSE
tablegenned_files_on_include_dir
"${LLVM_MAIN_SRC_DIR}/include/llvm/*.gen")
file(GLOB_RECURSE
tablegenned_files_on_lib_dir
"${LLVM_MAIN_SRC_DIR}/lib/Target/*.inc")
if( tablegenned_files_on_include_dir OR tablegenned_files_on_lib_dir)
message(FATAL_ERROR "Apparently there is a previous in-source build,
probably as the result of running `configure' and `make' on
${LLVM_MAIN_SRC_DIR}.
This may cause problems. The suspicious files are:
${tablegenned_files_on_lib_dir}
${tablegenned_files_on_include_dir}
Please clean the source directory.")
endif()
endif()
set(LLVM_ALL_TARGETS
Alpha
ARM
Blackfin
CBackend
CellSPU
CppBackend
Mips
MBlaze
MSP430
PowerPC
PTX
Sparc
SystemZ
X86
XCore
)
# List of targets with JIT support:
set(LLVM_TARGETS_WITH_JIT X86 PowerPC ARM)
if( MSVC )
set(LLVM_TARGETS_TO_BUILD X86
CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
else( MSVC )
set(LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS}
CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
endif( MSVC )
option(LLVM_ENABLE_CBE_PRINTF_A "Set to ON if CBE is enabled for printf %a output" ON)
if(LLVM_ENABLE_CBE_PRINTF_A)
set(ENABLE_CBE_PRINTF_A 1)
endif()
option(LLVM_ENABLE_TIMESTAMPS "Enable embedding timestamp information in build" ON)
if(LLVM_ENABLE_TIMESTAMPS)
set(ENABLE_TIMESTAMPS 1)
endif()
option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")
set(LLVM_TARGET_ARCH "host"
CACHE STRING "Set target to use for LLVM JIT or use \"host\" for automatic detection.")
option(LLVM_ENABLE_THREADS "Use threads if available." ON)
if( LLVM_TARGETS_TO_BUILD STREQUAL "all" )
set( LLVM_TARGETS_TO_BUILD ${LLVM_ALL_TARGETS} )
endif()
set(LLVM_ENUM_TARGETS "")
foreach(c ${LLVM_TARGETS_TO_BUILD})
list(FIND LLVM_ALL_TARGETS ${c} idx)
if( idx LESS 0 )
message(FATAL_ERROR "The target `${c}' does not exist.
It should be one of\n${LLVM_ALL_TARGETS}")
else()
set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${c})\n")
endif()
endforeach(c)
# Produce llvm/Config/Targets.def
configure_file(
${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/Targets.def.in
${LLVM_BINARY_DIR}/include/llvm/Config/Targets.def
)
set(llvm_builded_incs_dir ${LLVM_BINARY_DIR}/include/llvm)
include(AddLLVMDefinitions)
option(LLVM_ENABLE_PIC "Build Position-Independent Code" ON)
# MSVC has a gazillion warnings with this.
if( MSVC )
option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." OFF)
else( MSVC )
option(LLVM_ENABLE_WARNINGS "Enable compiler warnings." ON)
endif()
option(LLVM_ENABLE_PEDANTIC "Compile with pedantic enabled." ON)
option(LLVM_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
if( uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE" )
option(LLVM_ENABLE_ASSERTIONS "Enable assertions" OFF)
else()
option(LLVM_ENABLE_ASSERTIONS "Enable assertions" ON)
endif()
# All options referred to from HandleLLVMOptions have to be specified
# BEFORE this include, otherwise options will not be correctly set on
# first cmake run
include(config-ix)
include(HandleLLVMOptions)
configure_file(
${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
${LLVM_BINARY_DIR}/include/llvm/Config/config.h)
configure_file(
${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/llvm-config.h.cmake
${LLVM_BINARY_DIR}/include/llvm/Config/llvm-config.h)
configure_file(
${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h)
set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR} )
set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LLVM_BINARY_DIR}/lib )
set(CMAKE_INCLUDE_CURRENT_DIR ON)
include_directories( ${LLVM_BINARY_DIR}/include ${LLVM_MAIN_INCLUDE_DIR})
if( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include llvm/Support/Solaris.h")
endif( ${CMAKE_SYSTEM_NAME} MATCHES SunOS )
include(AddLLVM)
include(TableGen)
if( MINGW )
# People report that -O3 is unreliable on MinGW. The traditional
# build also uses -O2 for that reason:
llvm_replace_compiler_option(CMAKE_CXX_FLAGS_RELEASE "-O3" "-O2")
endif()
# Put this before tblgen. Else we have a circular dependence.
add_subdirectory(lib/Support)
set(LLVM_TABLEGEN "tblgen" CACHE
STRING "Native TableGen executable. Saves building one when cross-compiling.")
# Effective tblgen executable to be used:
set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
add_subdirectory(utils/TableGen)
if( CMAKE_CROSSCOMPILING )
# This adds a dependency on target `tblgen', so must go after utils/TableGen
include( CrossCompileLLVM )
endif( CMAKE_CROSSCOMPILING )
add_subdirectory(include/llvm)
add_subdirectory(lib)
add_subdirectory(utils/FileCheck)
add_subdirectory(utils/FileUpdate)
add_subdirectory(utils/count)
add_subdirectory(utils/not)
add_subdirectory(utils/llvm-lit)
add_subdirectory(projects)
option(LLVM_BUILD_TOOLS
"Build the LLVM tools. If OFF, just generate build targets." ON)
option(LLVM_INCLUDE_TOOLS "Generate build targets for the LLVM tools." ON)
if( LLVM_INCLUDE_TOOLS )
add_subdirectory(tools)
endif()
option(LLVM_BUILD_RUNTIME
"Build the LLVM runtime libraries. If OFF, just generate build targets." ON)
option(LLVM_INCLUDE_RUNTIME "Generate build targets for the LLVM runtimes" ON)
if( LLVM_INCLUDE_RUNTIME )
add_subdirectory(runtime)
endif()
option(LLVM_BUILD_EXAMPLES
"Build the LLVM example programs. If OFF, just generate build targets." OFF)
option(LLVM_INCLUDE_EXAMPLES "Generate build targets for the LLVM examples" ON)
if( LLVM_INCLUDE_EXAMPLES )
add_subdirectory(examples)
endif()
option(LLVM_BUILD_TESTS
"Build LLVM unit tests. If OFF, just generate build targets." OFF)
if( LLVM_INCLUDE_TESTS )
add_subdirectory(test)
add_subdirectory(utils/unittest)
add_subdirectory(unittests)
if (MSVC)
# This utility is used to prevent chrashing tests from calling Dr. Watson on
# Windows.
add_subdirectory(utils/KillTheDoctor)
endif()
endif()
add_subdirectory(cmake/modules)
install(DIRECTORY include/
DESTINATION include
FILES_MATCHING
PATTERN "*.def"
PATTERN "*.h"
PATTERN "*.td"
PATTERN "*.inc"
PATTERN "LICENSE.TXT"
PATTERN ".svn" EXCLUDE
)
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
DESTINATION include
FILES_MATCHING
PATTERN "*.def"
PATTERN "*.h"
PATTERN "*.gen"
PATTERN "*.inc"
# Exclude include/llvm/CMakeFiles/intrinsics_gen.dir, matched by "*.def"
PATTERN "CMakeFiles" EXCLUDE
PATTERN ".svn" EXCLUDE
)
# TODO: make and install documentation.
set(CPACK_PACKAGE_VENDOR "LLVM")
set(CPACK_PACKAGE_VERSION_MAJOR 2)
set(CPACK_PACKAGE_VERSION_MINOR 9)
add_version_info_from_vcs(CPACK_PACKAGE_VERSION_PATCH)
include(CPack)
# Workaround for MSVS10 to avoid the Dialog Hell
# FIXME: This could be removed with future version of CMake.
if(MSVC_VERSION EQUAL 1600)
set(LLVM_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/LLVM.sln")
if( EXISTS "${LLVM_SLN_FILENAME}" )
file(APPEND "${LLVM_SLN_FILENAME}" "\n# This should be regenerated!\n")
endif()
endif()