xref: /openbsd-src/gnu/llvm/clang/cmake/modules/AddClang.cmake (revision 1a8dbaac879b9f3335ad7fb25429ce63ac1d6bac)
1function(clang_tablegen)
2  # Syntax:
3  # clang_tablegen output-file [tablegen-arg ...] SOURCE source-file
4  # [[TARGET cmake-target-name] [DEPENDS extra-dependency ...]]
5  #
6  # Generates a custom command for invoking tblgen as
7  #
8  # tblgen source-file -o=output-file tablegen-arg ...
9  #
10  # and, if cmake-target-name is provided, creates a custom target for
11  # executing the custom command depending on output-file. It is
12  # possible to list more files to depend after DEPENDS.
13
14  cmake_parse_arguments(CTG "" "SOURCE;TARGET" "" ${ARGN})
15
16  if( NOT CTG_SOURCE )
17    message(FATAL_ERROR "SOURCE source-file required by clang_tablegen")
18  endif()
19
20  set( CLANG_TABLEGEN_ARGUMENTS -I ${CLANG_SOURCE_DIR}/include )
21  set( LLVM_TARGET_DEFINITIONS ${CTG_SOURCE} )
22  tablegen(CLANG ${CTG_UNPARSED_ARGUMENTS} ${CLANG_TABLEGEN_ARGUMENTS})
23
24  if(CTG_TARGET)
25    add_public_tablegen_target(${CTG_TARGET})
26    set_target_properties( ${CTG_TARGET} PROPERTIES FOLDER "Clang tablegenning")
27    set_property(GLOBAL APPEND PROPERTY CLANG_TABLEGEN_TARGETS ${CTG_TARGET})
28  endif()
29endfunction(clang_tablegen)
30
31macro(set_clang_windows_version_resource_properties name)
32  if(DEFINED windows_resource_file)
33    set_windows_version_resource_properties(${name} ${windows_resource_file}
34      VERSION_MAJOR ${CLANG_VERSION_MAJOR}
35      VERSION_MINOR ${CLANG_VERSION_MINOR}
36      VERSION_PATCHLEVEL ${CLANG_VERSION_PATCHLEVEL}
37      VERSION_STRING "${CLANG_VERSION} (${BACKEND_PACKAGE_STRING})"
38      PRODUCT_NAME "clang")
39  endif()
40endmacro()
41
42macro(add_clang_subdirectory name)
43  add_llvm_subdirectory(CLANG TOOL ${name})
44endmacro()
45
46macro(add_clang_library name)
47  cmake_parse_arguments(ARG
48    "SHARED;INSTALL_WITH_TOOLCHAIN"
49    ""
50    "ADDITIONAL_HEADERS"
51    ${ARGN})
52  set(srcs)
53  if(MSVC_IDE OR XCODE)
54    # Add public headers
55    file(RELATIVE_PATH lib_path
56      ${CLANG_SOURCE_DIR}/lib/
57      ${CMAKE_CURRENT_SOURCE_DIR}
58    )
59    if(NOT lib_path MATCHES "^[.][.]")
60      file( GLOB_RECURSE headers
61        ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.h
62        ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.def
63      )
64      set_source_files_properties(${headers} PROPERTIES HEADER_FILE_ONLY ON)
65
66      file( GLOB_RECURSE tds
67        ${CLANG_SOURCE_DIR}/include/clang/${lib_path}/*.td
68      )
69      source_group("TableGen descriptions" FILES ${tds})
70      set_source_files_properties(${tds}} PROPERTIES HEADER_FILE_ONLY ON)
71
72      if(headers OR tds)
73        set(srcs ${headers} ${tds})
74      endif()
75    endif()
76  endif(MSVC_IDE OR XCODE)
77  if(srcs OR ARG_ADDITIONAL_HEADERS)
78    set(srcs
79      ADDITIONAL_HEADERS
80      ${srcs}
81      ${ARG_ADDITIONAL_HEADERS} # It may contain unparsed unknown args.
82      )
83  endif()
84  if(ARG_SHARED)
85    set(LIBTYPE SHARED)
86  else()
87    # llvm_add_library ignores BUILD_SHARED_LIBS if STATIC is explicitly set,
88    # so we need to handle it here.
89    if(BUILD_SHARED_LIBS)
90      set(LIBTYPE SHARED)
91    else()
92      set(LIBTYPE STATIC)
93    endif()
94    if(NOT XCODE)
95      # The Xcode generator doesn't handle object libraries correctly.
96      list(APPEND LIBTYPE OBJECT)
97    endif()
98    set_property(GLOBAL APPEND PROPERTY CLANG_STATIC_LIBS ${name})
99  endif()
100  llvm_add_library(${name} ${LIBTYPE} ${ARG_UNPARSED_ARGUMENTS} ${srcs})
101
102  if(TARGET ${name})
103    target_link_libraries(${name} INTERFACE ${LLVM_COMMON_LIBS})
104
105    if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ARG_INSTALL_WITH_TOOLCHAIN)
106      set(export_to_clangtargets)
107      if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR
108          "clang-libraries" IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR
109          NOT LLVM_DISTRIBUTION_COMPONENTS)
110        set(export_to_clangtargets EXPORT ClangTargets)
111        set_property(GLOBAL PROPERTY CLANG_HAS_EXPORTS True)
112      endif()
113
114      install(TARGETS ${name}
115        COMPONENT ${name}
116        ${export_to_clangtargets}
117        LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
118        ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}
119        RUNTIME DESTINATION bin)
120
121      if (NOT LLVM_ENABLE_IDE)
122        add_llvm_install_targets(install-${name}
123                                 DEPENDS ${name}
124                                 COMPONENT ${name})
125      endif()
126
127      set_property(GLOBAL APPEND PROPERTY CLANG_LIBS ${name})
128    endif()
129    set_property(GLOBAL APPEND PROPERTY CLANG_EXPORTS ${name})
130  else()
131    # Add empty "phony" target
132    add_custom_target(${name})
133  endif()
134
135  set_target_properties(${name} PROPERTIES FOLDER "Clang libraries")
136  set_clang_windows_version_resource_properties(${name})
137endmacro(add_clang_library)
138
139macro(add_clang_executable name)
140  add_llvm_executable( ${name} ${ARGN} )
141  set_target_properties(${name} PROPERTIES FOLDER "Clang executables")
142  set_clang_windows_version_resource_properties(${name})
143endmacro(add_clang_executable)
144
145macro(add_clang_tool name)
146  if (NOT CLANG_BUILD_TOOLS)
147    set(EXCLUDE_FROM_ALL ON)
148  endif()
149
150  add_clang_executable(${name} ${ARGN})
151  add_dependencies(${name} clang-resource-headers)
152
153  if (CLANG_BUILD_TOOLS)
154    set(export_to_clangtargets)
155    if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR
156        NOT LLVM_DISTRIBUTION_COMPONENTS)
157      set(export_to_clangtargets EXPORT ClangTargets)
158      set_property(GLOBAL PROPERTY CLANG_HAS_EXPORTS True)
159    endif()
160
161    install(TARGETS ${name}
162      ${export_to_clangtargets}
163      RUNTIME DESTINATION bin
164      COMPONENT ${name})
165
166    if(NOT LLVM_ENABLE_IDE)
167      add_llvm_install_targets(install-${name}
168                               DEPENDS ${name}
169                               COMPONENT ${name})
170    endif()
171    set_property(GLOBAL APPEND PROPERTY CLANG_EXPORTS ${name})
172  endif()
173endmacro()
174
175macro(add_clang_symlink name dest)
176  add_llvm_tool_symlink(${name} ${dest} ALWAYS_GENERATE)
177  # Always generate install targets
178  llvm_install_symlink(${name} ${dest} ALWAYS_GENERATE)
179endmacro()
180
181function(clang_target_link_libraries target type)
182  if (CLANG_LINK_CLANG_DYLIB)
183    target_link_libraries(${target} ${type} clang-cpp)
184  else()
185    target_link_libraries(${target} ${type} ${ARGN})
186  endif()
187
188endfunction()
189