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_unexpected.cpp 11 cxa_vector.cpp 12 cxa_virtual.cpp 13 # C++ STL files 14 stdlib_exception.cpp 15 stdlib_stdexcept.cpp 16 stdlib_typeinfo.cpp 17 # Internal files 18 abort_message.cpp 19 fallback_malloc.cpp 20 private_typeinfo.cpp 21) 22 23if (LIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS) 24 list(APPEND LIBCXXABI_SOURCES stdlib_new_delete.cpp) 25endif() 26 27if (LIBCXXABI_ENABLE_EXCEPTIONS) 28 list(APPEND LIBCXXABI_SOURCES cxa_exception.cpp) 29 list(APPEND LIBCXXABI_SOURCES cxa_personality.cpp) 30else() 31 list(APPEND LIBCXXABI_SOURCES cxa_noexception.cpp) 32endif() 33 34if (LIBCXXABI_ENABLE_THREADS AND (UNIX OR FUCHSIA) AND NOT (APPLE OR CYGWIN)) 35 list(APPEND LIBCXXABI_SOURCES cxa_thread_atexit.cpp) 36endif() 37 38set(LIBCXXABI_HEADERS ../include/cxxabi.h) 39 40# Add all the headers to the project for IDEs. 41if (MSVC_IDE OR XCODE) 42 # Force them all into the headers dir on MSVC, otherwise they end up at 43 # project scope because they don't have extensions. 44 if (MSVC_IDE) 45 source_group("Header Files" FILES ${LIBCXXABI_HEADERS}) 46 endif() 47endif() 48 49include_directories("${LIBCXXABI_LIBCXX_INCLUDES}") 50 51if (LIBCXXABI_HAS_CXA_THREAD_ATEXIT_IMPL) 52 add_definitions(-DHAVE___CXA_THREAD_ATEXIT_IMPL) 53endif() 54 55if (LIBCXXABI_ENABLE_THREADS) 56 add_library_flags_if(LIBCXXABI_HAS_PTHREAD_LIB pthread) 57endif() 58 59add_library_flags_if(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 (NOT LIBCXXABI_STATICALLY_LINK_UNWINDER_IN_SHARED_LIBRARY AND (TARGET unwind_shared OR HAVE_LIBUNWIND)) 65 list(APPEND LIBCXXABI_SHARED_LIBRARIES unwind_shared) 66 elseif (LIBCXXABI_STATICALLY_LINK_UNWINDER_IN_SHARED_LIBRARY AND (TARGET unwind_static OR HAVE_LIBUNWIND)) 67 list(APPEND LIBCXXABI_SHARED_LIBRARIES unwind_static) 68 else() 69 list(APPEND LIBCXXABI_SHARED_LIBRARIES unwind) 70 endif() 71 if (NOT LIBCXXABI_STATICALLY_LINK_UNWINDER_IN_STATIC_LIBRARY AND (TARGET unwind_shared OR HAVE_LIBUNWIND)) 72 list(APPEND LIBCXXABI_STATIC_LIBRARIES unwind_shared) 73 elseif (LIBCXXABI_STATICALLY_LINK_UNWINDER_IN_STATIC_LIBRARY AND (TARGET unwind_static OR HAVE_LIBUNWIND)) 74 # We handle this by directly merging libunwind objects into libc++abi. 75 else() 76 list(APPEND LIBCXXABI_STATIC_LIBRARIES unwind) 77 endif() 78else() 79 add_library_flags_if(LIBCXXABI_HAS_GCC_S_LIB gcc_s) 80endif() 81if (MINGW) 82 # MINGW_LIBRARIES is defined in config-ix.cmake 83 list(APPEND LIBCXXABI_LIBRARIES ${MINGW_LIBRARIES}) 84endif() 85 86# Setup flags. 87add_link_flags_if_supported(-nodefaultlibs) 88 89set(LIBCXXABI_SHARED_LINK_FLAGS) 90 91if ( APPLE ) 92 if ( CMAKE_OSX_DEPLOYMENT_TARGET STREQUAL "10.6" ) 93 list(APPEND LIBCXXABI_COMPILE_FLAGS "-U__STRICT_ANSI__") 94 list(APPEND LIBCXXABI_SHARED_LINK_FLAGS 95 "-compatibility_version 1" 96 "-current_version 1" 97 "-install_name /usr/lib/libc++abi.1.dylib") 98 list(APPEND LIBCXXABI_LINK_FLAGS 99 "/usr/lib/libSystem.B.dylib") 100 else() 101 list(APPEND LIBCXXABI_SHARED_LINK_FLAGS 102 "-compatibility_version 1" 103 "-install_name /usr/lib/libc++abi.1.dylib") 104 endif() 105 106 if (LLVM_USE_SANITIZER) 107 if (("${LLVM_USE_SANITIZER}" STREQUAL "Address") OR 108 ("${LLVM_USE_SANITIZER}" STREQUAL "Address;Undefined") OR 109 ("${LLVM_USE_SANITIZER}" STREQUAL "Undefined;Address")) 110 set(LIBFILE "libclang_rt.asan_osx_dynamic.dylib") 111 elseif("${LLVM_USE_SANITIZER}" STREQUAL "Undefined") 112 set(LIBFILE "libclang_rt.ubsan_osx_dynamic.dylib") 113 elseif("${LLVM_USE_SANITIZER}" STREQUAL "Thread") 114 set(LIBFILE "libclang_rt.tsan_osx_dynamic.dylib") 115 else() 116 message(WARNING "LLVM_USE_SANITIZER=${LLVM_USE_SANITIZER} is not supported on OS X") 117 endif() 118 if (LIBFILE) 119 find_compiler_rt_dir(LIBDIR) 120 if (NOT IS_DIRECTORY "${LIBDIR}") 121 message(FATAL_ERROR "Cannot find compiler-rt directory on OS X required for LLVM_USE_SANITIZER") 122 endif() 123 set(LIBCXXABI_SANITIZER_LIBRARY "${LIBDIR}/${LIBFILE}") 124 set(LIBCXXABI_SANITIZER_LIBRARY "${LIBCXXABI_SANITIZER_LIBRARY}" PARENT_SCOPE) 125 message(STATUS "Manually linking compiler-rt library: ${LIBCXXABI_SANITIZER_LIBRARY}") 126 add_library_flags("${LIBCXXABI_SANITIZER_LIBRARY}") 127 add_link_flags("-Wl,-rpath,${LIBDIR}") 128 endif() 129 endif() 130endif() 131 132split_list(LIBCXXABI_COMPILE_FLAGS) 133split_list(LIBCXXABI_LINK_FLAGS) 134split_list(LIBCXXABI_SHARED_LINK_FLAGS) 135 136# FIXME: libc++abi.so will not link when modules are enabled because it depends 137# on symbols defined in libc++.so which has not yet been built. 138if (LLVM_ENABLE_MODULES) 139 string(REPLACE "-Wl,-z,defs" "" CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}") 140endif() 141 142# Add a object library that contains the compiled source files. 143add_library(cxxabi_objects OBJECT ${LIBCXXABI_SOURCES} ${LIBCXXABI_HEADERS}) 144set_target_properties(cxxabi_objects 145 PROPERTIES 146 CXX_EXTENSIONS 147 OFF 148 CXX_STANDARD 149 11 150 CXX_STANDARD_REQUIRED 151 ON 152 COMPILE_FLAGS 153 "${LIBCXXABI_COMPILE_FLAGS}" 154 POSITION_INDEPENDENT_CODE 155 ON) 156 157# Build the shared library. 158if (LIBCXXABI_ENABLE_SHARED) 159 add_library(cxxabi_shared SHARED $<TARGET_OBJECTS:cxxabi_objects>) 160 if(COMMAND llvm_setup_rpath) 161 llvm_setup_rpath(cxxabi_shared) 162 endif() 163 target_link_libraries(cxxabi_shared ${LIBCXXABI_LIBRARIES} ${LIBCXXABI_SHARED_LIBRARIES}) 164 set_target_properties(cxxabi_shared 165 PROPERTIES 166 CXX_EXTENSIONS 167 OFF 168 CXX_STANDARD 169 11 170 CXX_STANDARD_REQUIRED 171 ON 172 LINK_FLAGS 173 "${LIBCXXABI_LINK_FLAGS} ${LIBCXXABI_SHARED_LINK_FLAGS}" 174 OUTPUT_NAME 175 "c++abi" 176 POSITION_INDEPENDENT_CODE 177 ON 178 SOVERSION 179 "1" 180 VERSION 181 "1.0") 182 list(APPEND LIBCXXABI_BUILD_TARGETS "cxxabi_shared") 183 if (LIBCXXABI_INSTALL_SHARED_LIBRARY) 184 list(APPEND LIBCXXABI_INSTALL_TARGETS "cxxabi_shared") 185 endif() 186endif() 187 188# Build the static library. 189if (LIBCXXABI_ENABLE_STATIC) 190 set(cxxabi_static_sources $<TARGET_OBJECTS:cxxabi_objects>) 191 if (LIBCXXABI_USE_LLVM_UNWINDER AND LIBCXXABI_STATICALLY_LINK_UNWINDER_IN_STATIC_LIBRARY) 192 if (TARGET unwind_static OR HAVE_LIBUNWIND) 193 list(APPEND cxxabi_static_sources $<TARGET_OBJECTS:unwind_objects>) 194 endif() 195 endif() 196 add_library(cxxabi_static STATIC ${cxxabi_static_sources}) 197 target_link_libraries(cxxabi_static ${LIBCXXABI_LIBRARIES} ${LIBCXXABI_STATIC_LIBRARIES}) 198 set_target_properties(cxxabi_static 199 PROPERTIES 200 CXX_EXTENSIONS 201 OFF 202 CXX_STANDARD 203 11 204 CXX_STANDARD_REQUIRED 205 ON 206 LINK_FLAGS 207 "${LIBCXXABI_LINK_FLAGS}" 208 OUTPUT_NAME 209 "c++abi" 210 POSITION_INDEPENDENT_CODE 211 ON) 212 list(APPEND LIBCXXABI_BUILD_TARGETS "cxxabi_static") 213 if (LIBCXXABI_INSTALL_STATIC_LIBRARY) 214 list(APPEND LIBCXXABI_INSTALL_TARGETS "cxxabi_static") 215 endif() 216endif() 217 218# Add a meta-target for both libraries. 219add_custom_target(cxxabi DEPENDS ${LIBCXXABI_BUILD_TARGETS}) 220 221if (LIBCXXABI_INSTALL_LIBRARY) 222 install(TARGETS ${LIBCXXABI_INSTALL_TARGETS} 223 LIBRARY DESTINATION ${LIBCXXABI_INSTALL_PREFIX}lib${LIBCXXABI_LIBDIR_SUFFIX} COMPONENT cxxabi 224 ARCHIVE DESTINATION ${LIBCXXABI_INSTALL_PREFIX}lib${LIBCXXABI_LIBDIR_SUFFIX} COMPONENT cxxabi 225 ) 226endif() 227 228if (NOT CMAKE_CONFIGURATION_TYPES AND LIBCXXABI_INSTALL_LIBRARY) 229 add_custom_target(install-cxxabi 230 DEPENDS cxxabi 231 COMMAND "${CMAKE_COMMAND}" 232 -DCMAKE_INSTALL_COMPONENT=cxxabi 233 -P "${LIBCXXABI_BINARY_DIR}/cmake_install.cmake") 234 add_custom_target(install-cxxabi-stripped 235 DEPENDS cxxabi 236 COMMAND "${CMAKE_COMMAND}" 237 -DCMAKE_INSTALL_COMPONENT=cxxabi 238 -DCMAKE_INSTALL_DO_STRIP=1 239 -P "${LIBCXXABI_BINARY_DIR}/cmake_install.cmake") 240 241 # TODO: This is a legacy target name and should be removed at some point. 242 add_custom_target(install-libcxxabi DEPENDS install-cxxabi) 243endif() 244