1 include(CheckCXXSymbolExists)
4 set(LLDB_PROJECT_ROOT ${CMAKE_CURRENT_SOURCE_DIR})
5 set(LLDB_SOURCE_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/source")
6 set(LLDB_INCLUDE_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/include")
8 set(LLDB_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
9 set(LLDB_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
11 if(CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
13 "In-source builds are not allowed. CMake would overwrite the makefiles "
14 "distributed with LLDB. Please create a directory and run cmake from "
15 "there, passing the path to this source directory as the last argument. "
16 "This process created the file `CMakeCache.txt' and the directory "
17 "`CMakeFiles'. Please delete them.")
20 set(LLDB_LINKER_SUPPORTS_GROUPS OFF)
21 if (LLVM_COMPILER_IS_GCC_COMPATIBLE AND NOT "${CMAKE_SYSTEM_NAME}" MATCHES "Darwin")
22 # The Darwin linker doesn't understand --start-group/--end-group.
23 set(LLDB_LINKER_SUPPORTS_GROUPS ON)
26 macro(add_optional_dependency variable description package found)
27 cmake_parse_arguments(ARG
33 set(${variable} "Auto" CACHE STRING "${description} On, Off or Auto (default)")
34 string(TOUPPER "${${variable}}" ${variable})
36 if("${${variable}}" STREQUAL "AUTO")
37 set(find_package TRUE)
39 elseif(${${variable}})
40 set(find_package TRUE)
41 set(maybe_required REQUIRED)
43 set(find_package FALSE)
44 set(${variable} FALSE)
50 set(maybe_quiet QUIET)
52 find_package(${package} ${ARG_VERSION} ${maybe_required} ${maybe_quiet})
53 set(${variable} "${${found}}")
56 message(STATUS "${description}: ${${variable}}")
59 add_optional_dependency(LLDB_ENABLE_SWIG "Enable SWIG to generate LLDB bindings" SWIG SWIG_FOUND VERSION 3)
60 add_optional_dependency(LLDB_ENABLE_LIBEDIT "Enable editline support in LLDB" LibEdit LibEdit_FOUND)
61 add_optional_dependency(LLDB_ENABLE_CURSES "Enable curses support in LLDB" CursesAndPanel CURSESANDPANEL_FOUND)
62 add_optional_dependency(LLDB_ENABLE_LZMA "Enable LZMA compression support in LLDB" LibLZMA LIBLZMA_FOUND)
63 add_optional_dependency(LLDB_ENABLE_LUA "Enable Lua scripting support in LLDB" LuaAndSwig LUAANDSWIG_FOUND)
64 add_optional_dependency(LLDB_ENABLE_PYTHON "Enable Python scripting support in LLDB" PythonAndSwig PYTHONANDSWIG_FOUND)
65 add_optional_dependency(LLDB_ENABLE_LIBXML2 "Enable Libxml 2 support in LLDB" LibXml2 LIBXML2_FOUND VERSION 2.8)
66 add_optional_dependency(LLDB_ENABLE_FBSDVMCORE "Enable libfbsdvmcore support in LLDB" FBSDVMCore FBSDVMCore_FOUND QUIET)
68 option(LLDB_USE_ENTITLEMENTS "When codesigning, use entitlements if available" ON)
69 option(LLDB_BUILD_FRAMEWORK "Build LLDB.framework (Darwin only)" OFF)
70 option(LLDB_NO_INSTALL_DEFAULT_RPATH "Disable default RPATH settings in binaries" OFF)
71 option(LLDB_USE_SYSTEM_DEBUGSERVER "Use the system's debugserver for testing (Darwin only)." OFF)
72 option(LLDB_SKIP_STRIP "Whether to skip stripping of binaries when installing lldb." OFF)
73 option(LLDB_SKIP_DSYM "Whether to skip generating a dSYM when installing lldb." OFF)
74 option(LLDB_ENFORCE_STRICT_TEST_REQUIREMENTS
75 "Fail to configure if certain requirements are not met for testing." OFF)
77 set(LLDB_GLOBAL_INIT_DIRECTORY "" CACHE STRING
78 "Path to the global lldbinit directory. Relative paths are resolved relative to the
79 directory containing the LLDB library.")
81 if (LLDB_USE_SYSTEM_DEBUGSERVER)
82 # The custom target for the system debugserver has no install target, so we
83 # need to remove it from the LLVM_DISTRIBUTION_COMPONENTS list.
84 if (LLVM_DISTRIBUTION_COMPONENTS)
85 list(REMOVE_ITEM LLVM_DISTRIBUTION_COMPONENTS debugserver)
86 set(LLVM_DISTRIBUTION_COMPONENTS ${LLVM_DISTRIBUTION_COMPONENTS} CACHE STRING "" FORCE)
90 if(LLDB_BUILD_FRAMEWORK)
92 message(FATAL_ERROR "LLDB.framework can only be generated when targeting Apple platforms")
95 set(LLDB_FRAMEWORK_VERSION A CACHE STRING "LLDB.framework version (default is A)")
96 set(LLDB_FRAMEWORK_BUILD_DIR bin CACHE STRING "Output directory for LLDB.framework")
97 set(LLDB_FRAMEWORK_INSTALL_DIR Library/Frameworks CACHE STRING "Install directory for LLDB.framework")
99 get_filename_component(LLDB_FRAMEWORK_ABSOLUTE_BUILD_DIR ${LLDB_FRAMEWORK_BUILD_DIR} ABSOLUTE
100 BASE_DIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR})
102 # Essentially, emit the framework's dSYM outside of the framework directory.
103 set(LLDB_DEBUGINFO_INSTALL_PREFIX ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin CACHE STRING
104 "Directory to emit dSYM files stripped from executables and libraries (Darwin Only)")
106 # Custom target to remove the targets (binaries, directories) that were
107 # copied into LLDB.framework in the build tree.
109 # These targets need to be removed before the install phase because otherwise
110 # because otherwise they may overwrite already installed binaries with the
111 # wrong RPATH (i.e. build RPATH instead of install RPATH).
113 # This target needs to be created here (rather than in API/CMakeLists.txt)
114 # because add_lldb_tool creates the custom rules to copy the binaries before
115 # the framework target exists and that's the only place where this is
117 add_custom_target(lldb-framework-cleanup
118 COMMENT "Cleaning up build-tree frameworks in preparation for install")
121 if(APPLE AND CMAKE_GENERATOR STREQUAL Xcode)
122 if(NOT LLDB_EXPLICIT_XCODE_CACHE_USED)
124 "When building with Xcode, we recommend using the corresponding cache script. "
125 "If this was a mistake, clean your build directory and re-run CMake with:\n"
126 " -C ${CMAKE_SOURCE_DIR}/cmake/caches/Apple-lldb-Xcode.cmake\n"
127 "See: https://lldb.llvm.org/resources/build.html#cmakegeneratedxcodeproject\n")
131 if (NOT CMAKE_SYSTEM_NAME MATCHES "Windows")
132 set(LLDB_EXPORT_ALL_SYMBOLS 0 CACHE BOOL
133 "Causes lldb to export all symbols when building liblldb.")
135 # Windows doesn't support toggling this, so don't bother making it a
137 set(LLDB_EXPORT_ALL_SYMBOLS 0)
140 if ((NOT MSVC) OR MSVC12)
141 add_definitions( -DHAVE_ROUND )
144 # Check if we libedit capable of handling wide characters (built with
146 if (LLDB_ENABLE_LIBEDIT)
147 set(CMAKE_REQUIRED_LIBRARIES ${LibEdit_LIBRARIES})
148 set(CMAKE_REQUIRED_INCLUDES ${LibEdit_INCLUDE_DIRS})
149 check_symbol_exists(el_winsertstr histedit.h LLDB_EDITLINE_USE_WCHAR)
150 set(CMAKE_EXTRA_INCLUDE_FILES histedit.h)
151 check_type_size(el_rfunc_t LLDB_EL_RFUNC_T_SIZE)
152 if (LLDB_EL_RFUNC_T_SIZE STREQUAL "")
153 set(LLDB_HAVE_EL_RFUNC_T 0)
155 set(LLDB_HAVE_EL_RFUNC_T 1)
157 set(CMAKE_REQUIRED_LIBRARIES)
158 set(CMAKE_REQUIRED_INCLUDES)
159 set(CMAKE_EXTRA_INCLUDE_FILES)
162 if (LLDB_ENABLE_PYTHON)
163 if(CMAKE_SYSTEM_NAME MATCHES "Windows")
164 set(default_embed_python_home ON)
166 set(default_embed_python_home OFF)
168 option(LLDB_EMBED_PYTHON_HOME
169 "Embed PYTHONHOME in the binary. If set to OFF, PYTHONHOME environment variable will be used to to locate Python."
170 ${default_embed_python_home})
172 include_directories(${Python3_INCLUDE_DIRS})
173 if (LLDB_EMBED_PYTHON_HOME)
174 get_filename_component(PYTHON_HOME "${Python3_EXECUTABLE}" DIRECTORY)
175 set(LLDB_PYTHON_HOME "${PYTHON_HOME}" CACHE STRING
176 "Path to use as PYTHONHOME in lldb. If a relative path is specified, it will be resolved at runtime relative to liblldb directory.")
180 if (LLVM_EXTERNAL_CLANG_SOURCE_DIR)
181 include_directories(${LLVM_EXTERNAL_CLANG_SOURCE_DIR}/include)
183 include_directories(${CMAKE_SOURCE_DIR}/tools/clang/include)
185 include_directories("${CMAKE_CURRENT_BINARY_DIR}/../clang/include")
187 # GCC silently accepts any -Wno-<foo> option, but warns about those options
188 # being unrecognized only if the compilation triggers other warnings to be
189 # printed. Therefore, check for whether the compiler supports options in the
190 # form -W<foo>, and if supported, add the corresponding -Wno-<foo> option.
192 # Disable GCC warnings
193 check_cxx_compiler_flag("-Wdeprecated-declarations" CXX_SUPPORTS_DEPRECATED_DECLARATIONS)
194 append_if(CXX_SUPPORTS_DEPRECATED_DECLARATIONS "-Wno-deprecated-declarations" CMAKE_CXX_FLAGS)
196 check_cxx_compiler_flag("-Wunknown-pragmas" CXX_SUPPORTS_UNKNOWN_PRAGMAS)
197 append_if(CXX_SUPPORTS_UNKNOWN_PRAGMAS "-Wno-unknown-pragmas" CMAKE_CXX_FLAGS)
199 check_cxx_compiler_flag("-Wstrict-aliasing" CXX_SUPPORTS_STRICT_ALIASING)
200 append_if(CXX_SUPPORTS_STRICT_ALIASING "-Wno-strict-aliasing" CMAKE_CXX_FLAGS)
202 check_cxx_compiler_flag("-Wstringop-truncation" CXX_SUPPORTS_STRINGOP_TRUNCATION)
203 append_if(CXX_SUPPORTS_STRINGOP_TRUNCATION "-Wno-stringop-truncation" CMAKE_CXX_FLAGS)
205 # Disable Clang warnings
206 check_cxx_compiler_flag("-Wdeprecated-register" CXX_SUPPORTS_DEPRECATED_REGISTER)
207 append_if(CXX_SUPPORTS_DEPRECATED_REGISTER "-Wno-deprecated-register" CMAKE_CXX_FLAGS)
209 check_cxx_compiler_flag("-Wvla-extension" CXX_SUPPORTS_VLA_EXTENSION)
210 append_if(CXX_SUPPORTS_VLA_EXTENSION "-Wno-vla-extension" CMAKE_CXX_FLAGS)
212 # Disable MSVC warnings
215 -wd4018 # Suppress 'warning C4018: '>=' : signed/unsigned mismatch'
216 -wd4068 # Suppress 'warning C4068: unknown pragma'
217 -wd4150 # Suppress 'warning C4150: deletion of pointer to incomplete type'
218 -wd4201 # Suppress 'warning C4201: nonstandard extension used: nameless struct/union'
219 -wd4251 # Suppress 'warning C4251: T must have dll-interface to be used by clients of class U.'
220 -wd4521 # Suppress 'warning C4521: 'type' : multiple copy constructors specified'
221 -wd4530 # Suppress 'warning C4530: C++ exception handler used, but unwind semantics are not enabled.'
225 # Use the Unicode (UTF-16) APIs by default on Win32
226 if (CMAKE_SYSTEM_NAME MATCHES "Windows")
227 add_definitions( -D_UNICODE -DUNICODE )
230 # If LLDB_VERSION_* is specified, use it, if not use LLVM_VERSION_*.
231 if(NOT DEFINED LLDB_VERSION_MAJOR)
232 set(LLDB_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
234 if(NOT DEFINED LLDB_VERSION_MINOR)
235 set(LLDB_VERSION_MINOR ${LLVM_VERSION_MINOR})
237 if(NOT DEFINED LLDB_VERSION_PATCH)
238 set(LLDB_VERSION_PATCH ${LLVM_VERSION_PATCH})
240 if(NOT DEFINED LLDB_VERSION_SUFFIX)
241 set(LLDB_VERSION_SUFFIX ${LLVM_VERSION_SUFFIX})
243 set(LLDB_VERSION "${LLDB_VERSION_MAJOR}.${LLDB_VERSION_MINOR}.${LLDB_VERSION_PATCH}${LLDB_VERSION_SUFFIX}")
244 message(STATUS "LLDB version: ${LLDB_VERSION}")
246 if (LLDB_ENABLE_LZMA)
247 include_directories(${LIBLZMA_INCLUDE_DIRS})
250 if (LLDB_ENABLE_LIBXML2)
251 include_directories(${LIBXML2_INCLUDE_DIR})
254 include_directories(BEFORE
255 ${CMAKE_CURRENT_BINARY_DIR}/include
256 ${CMAKE_CURRENT_SOURCE_DIR}/include
259 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
260 install(DIRECTORY include/
261 COMPONENT lldb-headers
262 DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
265 PATTERN ".cmake" EXCLUDE
268 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
269 COMPONENT lldb-headers
270 DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
273 PATTERN ".cmake" EXCLUDE
276 add_custom_target(lldb-headers)
277 set_target_properties(lldb-headers PROPERTIES FOLDER "lldb misc")
279 if (NOT CMAKE_CONFIGURATION_TYPES)
280 add_llvm_install_targets(install-lldb-headers
281 COMPONENT lldb-headers)
286 # If LLDB is building against a prebuilt Clang, then the Clang resource
287 # directory that LLDB is using for its embedded Clang instance needs to point
288 # to the resource directory of the used Clang installation.
289 if (NOT TARGET clang-resource-headers)
290 set(LLDB_CLANG_RESOURCE_DIR_NAME "${LLVM_VERSION_MAJOR}")
291 # Iterate over the possible places where the external resource directory
292 # could be and pick the first that exists.
293 foreach(CANDIDATE "${Clang_DIR}/../.." "${LLVM_DIR}" "${LLVM_LIBRARY_DIRS}"
294 "${LLVM_BUILD_LIBRARY_DIR}"
295 "${LLVM_LIBRARY_DIR}")
296 # Build the resource directory path by appending 'clang/<version number>'.
297 set(CANDIDATE_RESOURCE_DIR "${CANDIDATE}/clang/${LLDB_CLANG_RESOURCE_DIR_NAME}")
298 if (IS_DIRECTORY "${CANDIDATE_RESOURCE_DIR}")
299 set(LLDB_EXTERNAL_CLANG_RESOURCE_DIR "${CANDIDATE_RESOURCE_DIR}")
304 if (NOT LLDB_EXTERNAL_CLANG_RESOURCE_DIR)
305 message(FATAL_ERROR "Expected directory for clang-resource headers not found: ${LLDB_EXTERNAL_CLANG_RESOURCE_DIR}")
309 # Find Apple-specific libraries or frameworks that may be needed.
311 if(NOT APPLE_EMBEDDED)
312 find_library(CARBON_LIBRARY Carbon)
313 find_library(CORE_SERVICES_LIBRARY CoreServices)
315 find_library(FOUNDATION_LIBRARY Foundation)
316 find_library(CORE_FOUNDATION_LIBRARY CoreFoundation)
317 find_library(SECURITY_LIBRARY Security)
318 include_directories(${LIBXML2_INCLUDE_DIR})
321 if( WIN32 AND NOT CYGWIN )
326 set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
327 find_package(Threads REQUIRED)
330 # Figure out if lldb could use lldb-server. If so, then we'll
331 # ensure we build lldb-server when an lldb target is being built.
332 if (CMAKE_SYSTEM_NAME MATCHES "Android|Darwin|FreeBSD|Linux|NetBSD|Windows")
333 set(LLDB_CAN_USE_LLDB_SERVER ON)
335 set(LLDB_CAN_USE_LLDB_SERVER OFF)
338 # Figure out if lldb could use debugserver. If so, then we'll
339 # ensure we build debugserver when we build lldb.
340 if (CMAKE_SYSTEM_NAME MATCHES "Darwin")
341 set(LLDB_CAN_USE_DEBUGSERVER ON)
343 set(LLDB_CAN_USE_DEBUGSERVER OFF)
346 if ((CMAKE_SYSTEM_NAME MATCHES "Android") AND LLVM_BUILD_STATIC AND
347 ((ANDROID_ABI MATCHES "armeabi") OR (ANDROID_ABI MATCHES "mips")))
348 add_definitions(-DANDROID_USE_ACCEPT_WORKAROUND)
351 include(LLDBGenerateConfig)