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1# Get sources
2set(LIBCXXABI_SOURCES
3  # C++ABI files
4  cxa_aux_runtime.cpp
5  cxa_default_handlers.cpp
6  cxa_demangle.cpp
7  cxa_exception_storage.cpp
8  cxa_guard.cpp
9  cxa_handlers.cpp
10  cxa_new_delete.cpp
11  cxa_unexpected.cpp
12  cxa_vector.cpp
13  cxa_virtual.cpp
14  # C++ STL files
15  stdlib_exception.cpp
16  stdlib_stdexcept.cpp
17  stdlib_typeinfo.cpp
18  # Internal files
19  abort_message.cpp
20  fallback_malloc.cpp
21  private_typeinfo.cpp
22)
23
24if (LIBCXXABI_ENABLE_EXCEPTIONS)
25  list(APPEND LIBCXXABI_SOURCES cxa_exception.cpp)
26  list(APPEND LIBCXXABI_SOURCES cxa_personality.cpp)
27else()
28  list(APPEND LIBCXXABI_SOURCES cxa_noexception.cpp)
29endif()
30
31if (LIBCXXABI_ENABLE_THREADS AND UNIX AND NOT (APPLE OR CYGWIN))
32  list(APPEND LIBCXXABI_SOURCES cxa_thread_atexit.cpp)
33endif()
34
35set(LIBCXXABI_HEADERS ../include/cxxabi.h)
36
37# Add all the headers to the project for IDEs.
38if (MSVC_IDE OR XCODE)
39  # Force them all into the headers dir on MSVC, otherwise they end up at
40  # project scope because they don't have extensions.
41  if (MSVC_IDE)
42    source_group("Header Files" FILES ${LIBCXXABI_HEADERS})
43  endif()
44endif()
45
46include_directories("${LIBCXXABI_LIBCXX_INCLUDES}")
47
48if (LIBCXXABI_HAS_CXA_THREAD_ATEXIT_IMPL)
49  add_definitions(-DHAVE___CXA_THREAD_ATEXIT_IMPL)
50endif()
51
52# Generate library list
53set(libraries ${LIBCXXABI_CXX_ABI_LIBRARIES})
54
55if (LIBCXXABI_ENABLE_THREADS)
56  append_if(libraries LIBCXXABI_HAS_PTHREAD_LIB pthread)
57endif()
58
59append_if(libraries LIBCXXABI_HAS_C_LIB c)
60if (LIBCXXABI_USE_LLVM_UNWINDER)
61  # Prefer using the in-tree version of libunwind, either shared or static. If
62  # none are found fall back to using -lunwind.
63  # FIXME: Is it correct to prefer the static version of libunwind?
64  if (TARGET unwind_shared)
65    list(APPEND libraries unwind_shared)
66  elseif(TARGET unwind_static)
67    list(APPEND libraries unwind_static)
68  else()
69    list(APPEND libraries unwind)
70  endif()
71else()
72  append_if(libraries LIBCXXABI_HAS_GCC_S_LIB gcc_s)
73endif()
74
75# Setup flags.
76append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_FPIC_FLAG -fPIC)
77append_if(LIBCXXABI_LINK_FLAGS LIBCXXABI_HAS_NODEFAULTLIBS_FLAG -nodefaultlibs)
78
79set(LIBCXXABI_SHARED_LINK_FLAGS)
80
81if ( APPLE )
82  if ( CMAKE_OSX_DEPLOYMENT_TARGET STREQUAL "10.6" )
83    list(APPEND LIBCXXABI_COMPILE_FLAGS "-U__STRICT_ANSI__")
84    list(APPEND LIBCXXABI_SHARED_LINK_FLAGS
85      "-compatibility_version 1"
86      "-current_version 1"
87      "-install_name /usr/lib/libc++abi.1.dylib")
88    list(APPEND LIBCXXABI_LINK_FLAGS
89        "/usr/lib/libSystem.B.dylib")
90  else()
91    list(APPEND LIBCXXABI_SHARED_LINK_FLAGS
92      "-compatibility_version 1"
93      "-install_name /usr/lib/libc++abi.1.dylib")
94  endif()
95endif()
96
97string(REPLACE ";" " " LIBCXXABI_COMPILE_FLAGS "${LIBCXXABI_COMPILE_FLAGS}")
98string(REPLACE ";" " " LIBCXXABI_LINK_FLAGS "${LIBCXXABI_LINK_FLAGS}")
99string(REPLACE ";" " " LIBCXXABI_SHARED_LINK_FLAGS "${LIBCXXABI_SHARED_LINK_FLAGS}")
100
101# FIXME: libc++abi.so will not link when modules are enabled because it depends
102# on symbols defined in libc++.so which has not yet been built.
103if (LLVM_ENABLE_MODULES)
104  string(REPLACE "-Wl,-z,defs" "" CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
105endif()
106
107# Add a object library that contains the compiled source files.
108add_library(cxxabi_objects OBJECT ${LIBCXXABI_SOURCES} ${LIBCXXABI_HEADERS})
109
110set_target_properties(cxxabi_objects
111  PROPERTIES
112    COMPILE_FLAGS "${LIBCXXABI_COMPILE_FLAGS}"
113  )
114
115set(LIBCXXABI_TARGETS)
116
117# Build the shared library.
118if (LIBCXXABI_ENABLE_SHARED)
119  add_library(cxxabi_shared SHARED $<TARGET_OBJECTS:cxxabi_objects>)
120  target_link_libraries(cxxabi_shared ${libraries})
121  set_target_properties(cxxabi_shared
122    PROPERTIES
123      LINK_FLAGS    "${LIBCXXABI_LINK_FLAGS} ${LIBCXXABI_SHARED_LINK_FLAGS}"
124      OUTPUT_NAME   "c++abi"
125      VERSION       "1.0"
126      SOVERSION     "1"
127    )
128  list(APPEND LIBCXXABI_TARGETS "cxxabi_shared")
129endif()
130
131# Build the static library.
132if (LIBCXXABI_ENABLE_STATIC)
133  add_library(cxxabi_static STATIC $<TARGET_OBJECTS:cxxabi_objects>)
134  target_link_libraries(cxxabi_static ${libraries})
135  set_target_properties(cxxabi_static
136    PROPERTIES
137      LINK_FLAGS    "${LIBCXXABI_LINK_FLAGS}"
138      OUTPUT_NAME   "c++abi"
139  )
140  list(APPEND LIBCXXABI_TARGETS "cxxabi_static")
141endif()
142
143# Add a meta-target for both libraries.
144add_custom_target(cxxabi DEPENDS ${LIBCXXABI_TARGETS})
145
146install(TARGETS ${LIBCXXABI_TARGETS}
147  LIBRARY DESTINATION lib${LIBCXXABI_LIBDIR_SUFFIX} COMPONENT cxxabi
148  ARCHIVE DESTINATION lib${LIBCXXABI_LIBDIR_SUFFIX} COMPONENT cxxabi
149  )
150
151if (NOT CMAKE_CONFIGURATION_TYPES)
152  add_custom_target(install-cxxabi
153    DEPENDS cxxabi
154    COMMAND "${CMAKE_COMMAND}"
155            -DCMAKE_INSTALL_COMPONENT=cxxabi
156            -P "${LIBCXXABI_BINARY_DIR}/cmake_install.cmake")
157
158  # TODO: This is a legacy target name and should be removed at some point.
159  add_custom_target(install-libcxxabi DEPENDS install-cxxabi)
160endif()
161