xref: /llvm-project/lldb/CMakeLists.txt (revision e19d74016971faed321e5cca20da7016047eb029)
1cmake_minimum_required(VERSION 3.20.0)
2set(LLVM_SUBPROJECT_TITLE "LLDB")
3
4if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
5  set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
6endif()
7include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
8  NO_POLICY_SCOPE)
9
10# Add path for custom modules.
11set(CMAKE_MODULE_PATH
12  ${CMAKE_MODULE_PATH}
13  "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
14  "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
15  )
16
17# If we are not building as part of LLVM, build LLDB as a standalone project,
18# using LLVM as an external library.
19if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
20  project(lldb)
21  set(LLDB_BUILT_STANDALONE TRUE)
22  set(LLVM_INCLUDE_TESTS ON CACHE INTERNAL "")
23endif()
24
25# Must go below project(..)
26include(GNUInstallDirs)
27
28option(LLDB_INCLUDE_TESTS "Generate build targets for the LLDB unit tests." ${LLVM_INCLUDE_TESTS})
29
30if(LLDB_BUILT_STANDALONE)
31  set(CMAKE_CXX_STANDARD 17 CACHE STRING "C++ standard to conform to")
32  set(CMAKE_CXX_STANDARD_REQUIRED YES)
33  set(CMAKE_CXX_EXTENSIONS NO)
34
35  include(LLDBStandalone)
36endif()
37
38include(LLDBConfig)
39include(AddLLDB)
40
41# Define the LLDB_CONFIGURATION_xxx matching the build type.
42if(uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
43  add_definitions(-DLLDB_CONFIGURATION_DEBUG)
44endif()
45
46if (WIN32)
47  add_definitions(-D_ENABLE_EXTENDED_ALIGNED_STORAGE)
48  if (NOT MSVC)
49    # _BSD_SOURCE is required for MinGW's getopt.h to define optreset
50    add_definitions(-D_BSD_SOURCE)
51  endif()
52endif()
53
54if (LLDB_ENABLE_PYTHON)
55  set(cachestring_LLDB_PYTHON_RELATIVE_PATH
56    "Path where Python modules are installed, relative to LLDB's install prefix")
57  set(cachestring_LLDB_PYTHON_EXE_RELATIVE_PATH
58    "Path to python interpreter exectuable, relative to python's install prefix")
59  set(cachestring_LLDB_PYTHON_EXT_SUFFIX
60    "Filename extension for native code python modules")
61
62  foreach(var LLDB_PYTHON_RELATIVE_PATH LLDB_PYTHON_EXE_RELATIVE_PATH LLDB_PYTHON_EXT_SUFFIX)
63    if(NOT DEFINED ${var} AND NOT CMAKE_CROSSCOMPILING)
64      execute_process(
65        COMMAND ${Python3_EXECUTABLE}
66          ${CMAKE_CURRENT_SOURCE_DIR}/bindings/python/get-python-config.py
67          ${var}
68        OUTPUT_VARIABLE value
69        OUTPUT_STRIP_TRAILING_WHITESPACE)
70      file(TO_CMAKE_PATH "${value}" value)
71      set(${var} ${value} CACHE STRING ${cachestring_${var}})
72    else()
73      if ("${${var}}" STREQUAL "")
74        message(FATAL_ERROR
75          "Crosscompiling LLDB with Python requires manually setting ${var}.")
76      endif()
77    endif()
78  endforeach()
79  # Make sure lldb extension has "_d" suffix on Windows in Debug mode.
80  if(WIN32 AND CMAKE_BUILD_TYPE STREQUAL Debug)
81    string(SUBSTRING ${LLDB_PYTHON_EXT_SUFFIX} 0 2 FIRST_2_CHARS)
82    # Add "_d" manually if LLDB_PYTHON_EXT_SUFFIX lacks it due to release Python configuration.
83    if(NOT FIRST_2_CHARS STREQUAL "_d")
84      set(LLDB_PYTHON_EXT_SUFFIX "_d${LLDB_PYTHON_EXT_SUFFIX}")
85    endif()
86  endif()
87endif ()
88
89if (LLDB_ENABLE_LUA)
90  set(LLDB_LUA_DEFAULT_RELATIVE_PATH "lib/lua/${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}")
91  set(LLDB_LUA_RELATIVE_PATH ${LLDB_LUA_DEFAULT_RELATIVE_PATH}
92    CACHE STRING "Path where Lua modules are installed, relative to install prefix")
93endif ()
94
95if (LLDB_ENABLE_PYTHON OR LLDB_ENABLE_LUA)
96  add_subdirectory(bindings)
97endif ()
98
99# We need the headers generated by intrinsics_gen before we can compile
100# any source file in LLDB as the imported Clang modules might include
101# some of these generated headers. This approach is copied from Clang's main
102# CMakeLists.txt, so it should kept in sync the code in Clang which was added
103# in llvm-svn 308844.
104if(LLVM_ENABLE_MODULES)
105  list(APPEND LLVM_COMMON_DEPENDS intrinsics_gen)
106endif()
107
108if(CMAKE_CROSSCOMPILING AND LLDB_BUILT_STANDALONE AND NOT LLDB_TABLEGEN_EXE)
109  set(LLVM_USE_HOST_TOOLS ON)
110  include(CrossCompile)
111  if (NOT NATIVE_LLVM_DIR OR NOT NATIVE_Clang_DIR)
112    message(FATAL_ERROR
113      "Crosscompiling standalone requires the variables NATIVE_{CLANG,LLVM}_DIR
114      for building the native lldb-tblgen used during the build process.")
115  endif()
116  llvm_create_cross_target(lldb NATIVE "" Release
117    -DLLVM_DIR=${NATIVE_LLVM_DIR}
118    -DClang_DIR=${NATIVE_Clang_DIR})
119endif()
120
121# TableGen
122add_subdirectory(utils/TableGen)
123
124add_subdirectory(source)
125add_subdirectory(tools)
126add_subdirectory(docs)
127
128if (LLDB_ENABLE_PYTHON)
129  if(LLDB_BUILD_FRAMEWORK)
130    set(lldb_python_target_dir "${LLDB_FRAMEWORK_ABSOLUTE_BUILD_DIR}/LLDB.framework/Resources/Python/lldb")
131  else()
132    set(lldb_python_target_dir "${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${LLDB_PYTHON_RELATIVE_PATH}/lldb")
133  endif()
134  get_target_property(lldb_python_bindings_dir swig_wrapper_python BINARY_DIR)
135  finish_swig_python("lldb-python" "${lldb_python_bindings_dir}" "${lldb_python_target_dir}")
136endif()
137
138if (LLDB_ENABLE_LUA)
139  if(LLDB_BUILD_FRAMEWORK)
140    set(LLDB_LUA_CPATH "${LLDB_FRAMEWORK_ABSOLUTE_BUILD_DIR}/LLDB.framework/Resources/Lua")
141  else()
142    set(LLDB_LUA_CPATH "${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${LLDB_LUA_RELATIVE_PATH}")
143  endif()
144  get_target_property(lldb_lua_bindings_dir swig_wrapper_lua BINARY_DIR)
145  finish_swig_lua("lldb-lua" "${lldb_lua_bindings_dir}" "${LLDB_LUA_CPATH}")
146endif()
147
148set(LLDB_INCLUDE_UNITTESTS ON)
149if (NOT TARGET llvm_gtest)
150  set(LLDB_INCLUDE_UNITTESTS OFF)
151endif()
152
153if(LLDB_INCLUDE_TESTS)
154  add_subdirectory(test)
155  if (LLDB_INCLUDE_UNITTESTS)
156    add_subdirectory(unittests)
157  endif()
158  add_subdirectory(utils)
159endif()
160
161if(LLDB_BUILT_STANDALONE AND NOT LLVM_ENABLE_IDE)
162  llvm_distribution_add_targets()
163endif()
164