1 # Check if lld is built as a standalone project.
2 if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
4 cmake_minimum_required(VERSION 3.4.3)
6 set(CMAKE_INCLUDE_CURRENT_DIR ON)
7 set(LLD_BUILT_STANDALONE TRUE)
9 find_program(LLVM_CONFIG_PATH "llvm-config" DOC "Path to llvm-config binary")
10 if(NOT LLVM_CONFIG_PATH)
11 message(FATAL_ERROR "llvm-config not found: specify LLVM_CONFIG_PATH")
14 execute_process(COMMAND "${LLVM_CONFIG_PATH}"
19 RESULT_VARIABLE HAD_ERROR
20 OUTPUT_VARIABLE LLVM_CONFIG_OUTPUT
21 OUTPUT_STRIP_TRAILING_WHITESPACE)
23 message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}")
26 string(REGEX REPLACE "[ \t]*[\r\n]+[ \t]*" ";" LLVM_CONFIG_OUTPUT "${LLVM_CONFIG_OUTPUT}")
28 list(GET LLVM_CONFIG_OUTPUT 0 OBJ_ROOT)
29 list(GET LLVM_CONFIG_OUTPUT 1 MAIN_INCLUDE_DIR)
30 list(GET LLVM_CONFIG_OUTPUT 2 LLVM_CMAKE_PATH)
31 list(GET LLVM_CONFIG_OUTPUT 3 MAIN_SRC_DIR)
33 set(LLVM_OBJ_ROOT ${OBJ_ROOT} CACHE PATH "path to LLVM build tree")
34 set(LLVM_MAIN_INCLUDE_DIR ${MAIN_INCLUDE_DIR} CACHE PATH "path to llvm/include")
35 set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree")
37 file(TO_CMAKE_PATH ${LLVM_OBJ_ROOT} LLVM_BINARY_DIR)
39 if(NOT EXISTS "${LLVM_CMAKE_PATH}/LLVMConfig.cmake")
40 message(FATAL_ERROR "LLVMConfig.cmake not found")
42 include("${LLVM_CMAKE_PATH}/LLVMConfig.cmake")
44 list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
46 set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")
47 include_directories("${LLVM_BINARY_DIR}/include" ${LLVM_INCLUDE_DIRS})
48 link_directories(${LLVM_LIBRARY_DIRS})
50 set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
51 set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
52 find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH)
56 include(HandleLLVMOptions)
58 if(LLVM_INCLUDE_TESTS)
59 set(Python_ADDITIONAL_VERSIONS 2.7)
60 include(FindPythonInterp)
61 if(NOT PYTHONINTERP_FOUND)
63 "Unable to find Python interpreter, required for testing.
65 Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
68 if(${PYTHON_VERSION_STRING} VERSION_LESS 2.7)
69 message(FATAL_ERROR "Python 2.7 or newer is required")
72 # Check prebuilt llvm/utils.
73 if(EXISTS ${LLVM_TOOLS_BINARY_DIR}/FileCheck${CMAKE_EXECUTABLE_SUFFIX}
74 AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/not${CMAKE_EXECUTABLE_SUFFIX})
75 set(LLVM_UTILS_PROVIDED ON)
78 if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
79 # Note: path not really used, except for checking if lit was found
80 set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
81 if(NOT LLVM_UTILS_PROVIDED)
82 add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/FileCheck utils/FileCheck)
83 add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/not utils/not)
84 set(LLVM_UTILS_PROVIDED ON)
85 set(LLD_TEST_DEPS FileCheck not)
87 set(UNITTEST_DIR ${LLVM_MAIN_SRC_DIR}/utils/unittest)
88 if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h
89 AND NOT EXISTS ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}
90 AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt)
91 add_subdirectory(${UNITTEST_DIR} utils/unittest)
96 NAMES llvm-lit lit.py lit
97 PATHS "${LLVM_MAIN_SRC_DIR}/utils/lit"
102 # Define the default arguments to use with 'lit', and an option for the user
104 set(LIT_ARGS_DEFAULT "-sv")
106 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
108 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
110 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
111 if(WIN32 AND NOT CYGWIN)
112 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
115 set(LLVM_INCLUDE_TESTS OFF)
120 set(LLD_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
121 set(LLD_INCLUDE_DIR ${LLD_SOURCE_DIR}/include )
122 set(LLD_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
124 # Compute the LLD version from the LLVM version.
125 string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" LLD_VERSION
127 message(STATUS "LLD version: ${LLD_VERSION}")
129 string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" LLD_VERSION_MAJOR
131 string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" LLD_VERSION_MINOR
134 # Determine LLD revision and repository.
135 # TODO: Figure out a way to get the revision and the repository on windows.
136 if ( NOT CMAKE_SYSTEM_NAME MATCHES "Windows" )
137 execute_process(COMMAND ${CMAKE_SOURCE_DIR}/utils/GetSourceVersion ${LLD_SOURCE_DIR}
138 OUTPUT_VARIABLE LLD_REVISION)
140 execute_process(COMMAND ${CMAKE_SOURCE_DIR}/utils/GetRepositoryPath ${LLD_SOURCE_DIR}
141 OUTPUT_VARIABLE LLD_REPOSITORY)
142 if ( LLD_REPOSITORY )
143 # Replace newline characters with spaces
144 string(REGEX REPLACE "(\r?\n)+" " " LLD_REPOSITORY ${LLD_REPOSITORY})
145 # Remove leading spaces
146 STRING(REGEX REPLACE "^[ \t\r\n]+" "" LLD_REPOSITORY "${LLD_REPOSITORY}" )
147 # Remove trailing spaces
148 string(REGEX REPLACE "(\ )+$" "" LLD_REPOSITORY ${LLD_REPOSITORY})
152 # Replace newline characters with spaces
153 string(REGEX REPLACE "(\r?\n)+" " " LLD_REVISION ${LLD_REVISION})
154 # Remove leading spaces
155 STRING(REGEX REPLACE "^[ \t\r\n]+" "" LLD_REVISION "${LLD_REVISION}" )
156 # Remove trailing spaces
157 string(REGEX REPLACE "(\ )+$" "" LLD_REVISION ${LLD_REVISION})
161 # Configure the Version.inc file.
163 ${CMAKE_CURRENT_SOURCE_DIR}/include/lld/Config/Version.inc.in
164 ${CMAKE_CURRENT_BINARY_DIR}/include/lld/Config/Version.inc)
167 if (CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
168 message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
169 "the makefiles distributed with LLVM. Please create a directory and run cmake "
170 "from there, passing the path to this source directory as the last argument. "
171 "This process created the file `CMakeCache.txt' and the directory "
172 "`CMakeFiles'. Please delete them.")
175 list (APPEND CMAKE_MODULE_PATH "${LLD_SOURCE_DIR}/cmake/modules")
180 "Enable VTune user task tracking."
185 include_directories(${VTune_INCLUDE_DIRS})
186 list(APPEND LLVM_COMMON_LIBS ${VTune_LIBRARIES})
187 add_definitions(-DLLD_HAS_VTUNE)
191 option(LLD_BUILD_TOOLS
192 "Build the lld tools. If OFF, just generate build targets." ON)
195 add_definitions(-wd4530) # Suppress 'warning C4530: C++ exception handler used, but unwind semantics are not enabled.'
196 add_definitions(-wd4062) # Suppress 'warning C4062: enumerator X in switch of enum Y is not handled' from system header.
199 include_directories(BEFORE
200 ${CMAKE_CURRENT_BINARY_DIR}/include
201 ${CMAKE_CURRENT_SOURCE_DIR}/include
204 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
205 install(DIRECTORY include/
209 PATTERN ".svn" EXCLUDE
213 add_subdirectory(lib)
214 add_subdirectory(tools/lld)
216 if (LLVM_INCLUDE_TESTS)
217 add_subdirectory(test)
218 add_subdirectory(unittests)
221 add_subdirectory(docs)
222 add_subdirectory(COFF)
223 add_subdirectory(ELF)