xref: /llvm-project/lldb/cmake/modules/LLDBStandalone.cmake (revision c3efb57655001896fac955f4d42657db42c836b0) 
1if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
2  set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
3endif()
4
5list(APPEND CMAKE_MODULE_PATH "${LLVM_COMMON_CMAKE_UTILS}/Modules")
6
7option(LLVM_INSTALL_TOOLCHAIN_ONLY "Only include toolchain files in the 'install' target." OFF)
8
9find_package(LLVM REQUIRED CONFIG HINTS ${LLVM_DIR} NO_CMAKE_FIND_ROOT_PATH)
10find_package(Clang REQUIRED CONFIG HINTS ${Clang_DIR} ${LLVM_DIR}/../clang NO_CMAKE_FIND_ROOT_PATH)
11
12# We set LLVM_CMAKE_DIR so that GetSVN.cmake is found correctly when building SVNVersion.inc
13set(LLVM_CMAKE_DIR ${LLVM_CMAKE_DIR} CACHE PATH "Path to LLVM CMake modules")
14
15set(LLVM_MAIN_SRC_DIR ${LLVM_BUILD_MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree")
16set(LLVM_MAIN_INCLUDE_DIR ${LLVM_MAIN_INCLUDE_DIR} CACHE PATH "Path to llvm/include")
17set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR} CACHE PATH "Path to LLVM build tree")
18
19set(LLDB_TEST_LIBCXX_ROOT_DIR "${LLVM_BINARY_DIR}" CACHE PATH
20    "The build root for libcxx. Used in standalone builds to point the API tests to a custom build of libcxx.")
21
22set(LLVM_LIT_ARGS "-sv" CACHE STRING "Default options for lit")
23
24set(lit_file_name "llvm-lit")
25if(CMAKE_HOST_WIN32 AND NOT CYGWIN)
26  set(lit_file_name "${lit_file_name}.py")
27endif()
28
29function(append_configuration_directories input_dir output_dirs)
30  set(dirs_list ${input_dir})
31  foreach(config_type ${LLVM_CONFIGURATION_TYPES})
32    string(REPLACE ${CMAKE_CFG_INTDIR} ${config_type} dir ${input_dir})
33    list(APPEND dirs_list ${dir})
34  endforeach()
35  set(${output_dirs} ${dirs_list} PARENT_SCOPE)
36endfunction()
37
38
39append_configuration_directories(${LLVM_TOOLS_BINARY_DIR} config_dirs)
40find_program(lit_full_path ${lit_file_name} ${config_dirs} NO_DEFAULT_PATH)
41set(LLVM_DEFAULT_EXTERNAL_LIT ${lit_full_path} CACHE PATH "Path to llvm-lit")
42
43if(LLVM_TABLEGEN)
44  set(LLVM_TABLEGEN_EXE ${LLVM_TABLEGEN})
45else()
46  if(CMAKE_CROSSCOMPILING)
47    set(LLVM_NATIVE_BUILD "${LLVM_BINARY_DIR}/NATIVE")
48    if (NOT EXISTS "${LLVM_NATIVE_BUILD}")
49      message(FATAL_ERROR
50        "Attempting to cross-compile LLDB standalone but no native LLVM build
51        found. Please cross-compile LLVM as well.")
52    endif()
53
54    if (CMAKE_HOST_SYSTEM_NAME MATCHES "Windows")
55      set(HOST_EXECUTABLE_SUFFIX ".exe")
56    endif()
57
58    if (NOT CMAKE_CONFIGURATION_TYPES)
59      set(LLVM_TABLEGEN_EXE
60        "${LLVM_NATIVE_BUILD}/bin/llvm-tblgen${HOST_EXECUTABLE_SUFFIX}")
61    else()
62      # NOTE: LLVM NATIVE build is always built Release, as is specified in
63      # CrossCompile.cmake
64      set(LLVM_TABLEGEN_EXE
65        "${LLVM_NATIVE_BUILD}/Release/bin/llvm-tblgen${HOST_EXECUTABLE_SUFFIX}")
66    endif()
67  else()
68    set(tblgen_file_name "llvm-tblgen${CMAKE_EXECUTABLE_SUFFIX}")
69    append_configuration_directories(${LLVM_TOOLS_BINARY_DIR} config_dirs)
70    find_program(LLVM_TABLEGEN_EXE ${tblgen_file_name} ${config_dirs} NO_DEFAULT_PATH)
71  endif()
72endif()
73
74# They are used as destination of target generators.
75set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
76set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
77if(WIN32 OR CYGWIN)
78  # DLL platform -- put DLLs into bin.
79  set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
80else()
81  set(LLVM_SHLIB_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
82endif()
83
84# We append the directory in which LLVMConfig.cmake lives. We expect LLVM's
85# CMake modules to be in that directory as well.
86list(APPEND CMAKE_MODULE_PATH "${LLVM_DIR}")
87
88include(AddLLVM)
89include(TableGen)
90include(HandleLLVMOptions)
91include(CheckAtomic)
92include(LLVMDistributionSupport)
93
94set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")
95
96set(CMAKE_INCLUDE_CURRENT_DIR ON)
97include_directories(
98  "${CMAKE_BINARY_DIR}/include"
99  "${LLVM_INCLUDE_DIRS}"
100  "${CLANG_INCLUDE_DIRS}")
101
102if(LLDB_INCLUDE_TESTS)
103  # Build the gtest library needed for unittests, if we have LLVM sources
104  # handy.
105  if (EXISTS ${LLVM_THIRD_PARTY_DIR}/unittest AND NOT TARGET llvm_gtest)
106    add_subdirectory(${LLVM_THIRD_PARTY_DIR}/unittest third-party/unittest)
107  endif()
108  # LLVMTestingSupport library is needed for Process/gdb-remote.
109  if (EXISTS ${LLVM_MAIN_SRC_DIR}/lib/Testing/Support
110      AND NOT TARGET LLVMTestingSupport)
111    add_subdirectory(${LLVM_MAIN_SRC_DIR}/lib/Testing/Support
112      lib/Testing/Support)
113  endif()
114endif()
115
116option(LLVM_USE_FOLDERS "Enable solution folders in Visual Studio. Disable for Express versions." ON)
117if(LLVM_USE_FOLDERS)
118  set_property(GLOBAL PROPERTY USE_FOLDERS ON)
119endif()
120
121set_target_properties(clang-tablegen-targets PROPERTIES FOLDER "Clang/Tablegenning")
122set_target_properties(intrinsics_gen PROPERTIES FOLDER "LLVM/Tablegenning")
123
124if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
125  set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
126endif()
127
128set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
129set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX})
130set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX})
131
132# If LLDB is building against a prebuilt Clang, then the Clang resource
133# directory that LLDB is using for its embedded Clang instance needs to point to
134# the resource directory of the used Clang installation.
135if (NOT TARGET clang-resource-headers)
136  include(GetClangResourceDir)
137  get_clang_resource_dir(LLDB_EXTERNAL_CLANG_RESOURCE_DIR
138    PREFIX "${Clang_DIR}/../../../")
139
140  if (NOT EXISTS ${LLDB_EXTERNAL_CLANG_RESOURCE_DIR})
141    message(FATAL_ERROR "Expected directory for clang-resource-headers not found: ${LLDB_EXTERNAL_CLANG_RESOURCE_DIR}")
142  endif()
143endif()
144