1cmake_minimum_required(VERSION 3.13.4)
2
3if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
4  set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
5endif()
6include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
7  NO_POLICY_SCOPE)
8
9# Add path for custom modules.
10set(CMAKE_MODULE_PATH
11  ${CMAKE_MODULE_PATH}
12  "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
13  "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
14  )
15
16# If we are not building as part of LLVM, build LLDB as a standalone project,
17# using LLVM as an external library.
18if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
19  project(lldb)
20  set(LLDB_BUILT_STANDALONE TRUE)
21  set(LLVM_INCLUDE_TESTS ON CACHE INTERNAL "")
22  if ("${CMAKE_VERSION}" VERSION_LESS "3.20.0")
23    message(WARNING
24      "Your CMake version is ${CMAKE_VERSION}. Starting with LLVM 17.0.0, the "
25      "minimum version of CMake required to build LLVM will become 3.20.0, and "
26      "using an older CMake will become an error. Please upgrade your CMake to "
27      "at least 3.20.0 now to avoid issues in the future!")
28  endif()
29endif()
30
31# Must go below project(..)
32include(GNUInstallDirs)
33
34option(LLDB_INCLUDE_TESTS "Generate build targets for the LLDB unit tests." ${LLVM_INCLUDE_TESTS})
35
36if(LLDB_BUILT_STANDALONE)
37  include(LLDBStandalone)
38
39  set(CMAKE_CXX_STANDARD 17 CACHE STRING "C++ standard to conform to")
40  set(CMAKE_CXX_STANDARD_REQUIRED YES)
41  set(CMAKE_CXX_EXTENSIONS NO)
42endif()
43
44include(LLDBConfig)
45include(AddLLDB)
46
47# Define the LLDB_CONFIGURATION_xxx matching the build type.
48if(uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
49  add_definitions(-DLLDB_CONFIGURATION_DEBUG)
50endif()
51
52if (WIN32)
53  add_definitions(-D_ENABLE_EXTENDED_ALIGNED_STORAGE)
54endif()
55
56if (LLDB_ENABLE_PYTHON)
57  set(cachestring_LLDB_PYTHON_RELATIVE_PATH
58    "Path where Python modules are installed, relative to LLDB's install prefix")
59  set(cachestring_LLDB_PYTHON_EXE_RELATIVE_PATH
60    "Path to python interpreter exectuable, relative to python's install prefix")
61  set(cachestring_LLDB_PYTHON_EXT_SUFFIX
62    "Filename extension for native code python modules")
63
64  foreach(var LLDB_PYTHON_RELATIVE_PATH LLDB_PYTHON_EXE_RELATIVE_PATH LLDB_PYTHON_EXT_SUFFIX)
65    if(NOT DEFINED ${var} AND NOT CMAKE_CROSSCOMPILING)
66      execute_process(
67        COMMAND ${Python3_EXECUTABLE}
68          ${CMAKE_CURRENT_SOURCE_DIR}/bindings/python/get-python-config.py
69          ${var}
70        OUTPUT_VARIABLE value
71        OUTPUT_STRIP_TRAILING_WHITESPACE)
72      file(TO_CMAKE_PATH "${value}" value)
73      set(${var} ${value} CACHE STRING ${cachestring_${var}})
74    else()
75      if ("${${var}}" STREQUAL "")
76        message(FATAL_ERROR
77          "Crosscompiling LLDB with Python requires manually setting ${var}.")
78      endif()
79    endif()
80  endforeach()
81endif ()
82
83if (LLDB_ENABLE_LUA)
84  find_program(Lua_EXECUTABLE lua5.3)
85  set(LLDB_LUA_DEFAULT_RELATIVE_PATH "lib/lua/5.3")
86  set(LLDB_LUA_RELATIVE_PATH ${LLDB_LUA_DEFAULT_RELATIVE_PATH}
87    CACHE STRING "Path where Lua modules are installed, relative to install prefix")
88endif ()
89
90if (LLDB_ENABLE_PYTHON OR LLDB_ENABLE_LUA)
91  add_subdirectory(bindings)
92endif ()
93
94# We need the headers generated by instrinsics_gen before we can compile
95# any source file in LLDB as the imported Clang modules might include
96# some of these generated headers. This approach is copied from Clang's main
97# CMakeLists.txt, so it should kept in sync the code in Clang which was added
98# in llvm-svn 308844.
99if(LLVM_ENABLE_MODULES)
100  list(APPEND LLVM_COMMON_DEPENDS intrinsics_gen)
101endif()
102
103if(CMAKE_CROSSCOMPILING AND LLDB_BUILT_STANDALONE AND NOT LLDB_TABLEGEN_EXE)
104  set(LLVM_USE_HOST_TOOLS ON)
105  include(CrossCompile)
106  if (NOT NATIVE_LLVM_DIR OR NOT NATIVE_Clang_DIR)
107    message(FATAL_ERROR
108      "Crosscompiling standalone requires the variables NATIVE_{CLANG,LLVM}_DIR
109      for building the native lldb-tblgen used during the build process.")
110  endif()
111  llvm_create_cross_target(lldb NATIVE "" Release
112    -DLLVM_DIR=${NATIVE_LLVM_DIR}
113    -DClang_DIR=${NATIVE_Clang_DIR})
114endif()
115
116# TableGen
117add_subdirectory(utils/TableGen)
118
119add_subdirectory(source)
120add_subdirectory(tools)
121add_subdirectory(docs)
122
123if (LLDB_ENABLE_PYTHON)
124  if(LLDB_BUILD_FRAMEWORK)
125    set(lldb_python_target_dir "${LLDB_FRAMEWORK_ABSOLUTE_BUILD_DIR}/LLDB.framework/Resources/Python/lldb")
126  else()
127    set(lldb_python_target_dir "${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${LLDB_PYTHON_RELATIVE_PATH}/lldb")
128  endif()
129  get_target_property(lldb_python_bindings_dir swig_wrapper_python BINARY_DIR)
130  finish_swig_python("lldb-python" "${lldb_python_bindings_dir}" "${lldb_python_target_dir}")
131endif()
132
133if (LLDB_ENABLE_LUA)
134  if(LLDB_BUILD_FRAMEWORK)
135    set(lldb_lua_target_dir "${LLDB_FRAMEWORK_ABSOLUTE_BUILD_DIR}/LLDB.framework/Resources/Lua")
136  else()
137    set(lldb_lua_target_dir "${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${LLDB_LUA_RELATIVE_PATH}")
138  endif()
139  get_target_property(lldb_lua_bindings_dir swig_wrapper_lua BINARY_DIR)
140  finish_swig_lua("lldb-lua" "${lldb_lua_bindings_dir}" "${lldb_lua_target_dir}")
141endif()
142
143set(LLDB_INCLUDE_UNITTESTS ON)
144if (NOT TARGET llvm_gtest)
145  set(LLDB_INCLUDE_UNITTESTS OFF)
146endif()
147
148if(LLDB_INCLUDE_TESTS)
149  add_subdirectory(test)
150  if (LLDB_INCLUDE_UNITTESTS)
151    add_subdirectory(unittests)
152  endif()
153  add_subdirectory(utils)
154endif()
155
156if(LLDB_BUILT_STANDALONE AND NOT LLVM_ENABLE_IDE)
157  llvm_distribution_add_targets()
158endif()
159