llvm-project/lld/CMakeLists.txt

118 lines
3.9 KiB
CMake

# If we are not building as a part of LLVM, build lld as a standalone project,
# using LLVM as an external library.
cmake_minimum_required(VERSION 2.8)
set(LLD_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set(LLD_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
# Compute the LLD version from the LLVM version.
string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" LLD_VERSION
${PACKAGE_VERSION})
message(STATUS "LLD version: ${LLD_VERSION}")
string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" LLD_VERSION_MAJOR
${LLD_VERSION})
string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" LLD_VERSION_MINOR
${LLD_VERSION})
# Determine LLD revision and repository.
# TODO: Figure out a way to get the revision and the repository on windows.
if ( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" )
execute_process(COMMAND ${CMAKE_SOURCE_DIR}/utils/GetSourceVersion ${LLD_SOURCE_DIR}
OUTPUT_VARIABLE LLD_REVISION)
execute_process(COMMAND ${CMAKE_SOURCE_DIR}/utils/GetRepositoryPath ${LLD_SOURCE_DIR}
OUTPUT_VARIABLE LLD_REPOSITORY)
if ( LLD_REPOSITORY )
# Replace newline characters with spaces
string(REGEX REPLACE "(\r?\n)+" " " LLD_REPOSITORY ${LLD_REPOSITORY})
# Remove leading spaces
STRING(REGEX REPLACE "^[ \t\r\n]+" "" LLD_REPOSITORY "${LLD_REPOSITORY}" )
# Remove trailing spaces
string(REGEX REPLACE "(\ )+$" "" LLD_REPOSITORY ${LLD_REPOSITORY})
endif()
if ( LLD_REVISION )
# Replace newline characters with spaces
string(REGEX REPLACE "(\r?\n)+" " " LLD_REVISION ${LLD_REVISION})
# Remove leading spaces
STRING(REGEX REPLACE "^[ \t\r\n]+" "" LLD_REVISION "${LLD_REVISION}" )
# Remove trailing spaces
string(REGEX REPLACE "(\ )+$" "" LLD_REVISION ${LLD_REVISION})
endif()
endif ()
# Configure the Version.inc file.
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/include/lld/Config/Version.inc.in
${CMAKE_CURRENT_BINARY_DIR}/include/lld/Config/Version.inc)
if (CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
"the makefiles distributed with LLVM. Please create a directory and run cmake "
"from there, passing the path to this source directory as the last argument. "
"This process created the file `CMakeCache.txt' and the directory "
"`CMakeFiles'. Please delete them.")
endif()
list (APPEND CMAKE_MODULE_PATH "${LLD_SOURCE_DIR}/cmake/modules")
option(LLD_USE_VTUNE
"Enable VTune user task tracking."
OFF)
if (LLD_USE_VTUNE)
find_package(VTune)
if (VTUNE_FOUND)
include_directories(${VTune_INCLUDE_DIRS})
list(APPEND LLVM_COMMON_LIBS ${VTune_LIBRARIES})
add_definitions(-DLLD_HAS_VTUNE)
endif()
endif()
# lld requires c++11 to build. Make sure that we have a compiler and standard
# library combination that can do that.
if (NOT MSVC)
# gcc and clang require the -std=c++0x or -std=c++11 flag.
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU|Clang" AND
NOT ("${CMAKE_CXX_FLAGS}" MATCHES ".*-std=(c|gnu)\\+\\+(0x|11|1y).*"))
message(FATAL_ERROR
"lld requires c++11. Clang and gcc require -std=c++0x or -std=c++11 to "
"enter this mode. Please set CMAKE_CXX_FLAGS accordingly.")
endif()
elseif (MSVC_VERSION LESS 1700)
message(FATAL_ERROR "The selected compiler does not support c++11 which is "
"required to build lld.")
endif()
if (MSVC)
add_definitions(-wd4530) # Suppress 'warning C4530: C++ exception handler used, but unwind semantics are not enabled.'
endif()
include_directories(BEFORE
${CMAKE_CURRENT_BINARY_DIR}/include
${CMAKE_CURRENT_SOURCE_DIR}/include
)
if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
install(DIRECTORY include/
DESTINATION include
FILES_MATCHING
PATTERN "*.h"
PATTERN ".svn" EXCLUDE
)
endif()
add_subdirectory(lib)
add_subdirectory(tools)
add_subdirectory(utils)
add_subdirectory(test)
if (LLVM_INCLUDE_TESTS)
add_subdirectory(unittests)
endif()
add_subdirectory(docs)