1# Get sources 2 3set(LIBUNWIND_CXX_SOURCES 4 libunwind.cpp 5 Unwind-EHABI.cpp 6 Unwind-seh.cpp) 7unwind_append_if(LIBUNWIND_CXX_SOURCES APPLE Unwind_AppleExtras.cpp) 8 9set(LIBUNWIND_C_SOURCES 10 UnwindLevel1.c 11 UnwindLevel1-gcc-ext.c 12 Unwind-sjlj.c) 13set_source_files_properties(${LIBUNWIND_C_SOURCES} 14 PROPERTIES 15 COMPILE_FLAGS "-std=c99") 16 17set(LIBUNWIND_ASM_SOURCES 18 UnwindRegistersRestore.S 19 UnwindRegistersSave.S) 20set_source_files_properties(${LIBUNWIND_ASM_SOURCES} 21 PROPERTIES 22 LANGUAGE C) 23 24set(LIBUNWIND_HEADERS 25 AddressSpace.hpp 26 assembly.h 27 CompactUnwinder.hpp 28 config.h 29 dwarf2.h 30 DwarfInstructions.hpp 31 DwarfParser.hpp 32 libunwind_ext.h 33 Registers.hpp 34 RWMutex.hpp 35 UnwindCursor.hpp 36 ${CMAKE_CURRENT_SOURCE_DIR}/../include/libunwind.h 37 ${CMAKE_CURRENT_SOURCE_DIR}/../include/unwind.h) 38 39unwind_append_if(LIBUNWIND_HEADERS APPLE 40 "${CMAKE_CURRENT_SOURCE_DIR}/../include/mach-o/compact_unwind_encoding.h") 41 42if (MSVC_IDE) 43 # Force them all into the headers dir on MSVC, otherwise they end up at 44 # project scope because they don't have extensions. 45 source_group("Header Files" FILES ${LIBUNWIND_HEADERS}) 46endif() 47 48set(LIBUNWIND_SOURCES 49 ${LIBUNWIND_CXX_SOURCES} 50 ${LIBUNWIND_C_SOURCES} 51 ${LIBUNWIND_ASM_SOURCES}) 52 53# Generate library list. 54set(libraries) 55unwind_append_if(libraries LIBUNWIND_HAS_C_LIB c) 56if (LIBUNWIND_USE_COMPILER_RT) 57 list(APPEND libraries "${LIBUNWIND_BUILTINS_LIBRARY}") 58else() 59 unwind_append_if(libraries LIBUNWIND_HAS_GCC_S_LIB gcc_s) 60 unwind_append_if(libraries LIBUNWIND_HAS_GCC_LIB gcc) 61endif() 62unwind_append_if(libraries LIBUNWIND_HAS_DL_LIB dl) 63if (LIBUNWIND_ENABLE_THREADS) 64 unwind_append_if(libraries LIBUNWIND_HAS_PTHREAD_LIB pthread) 65endif() 66 67# Setup flags. 68unwind_append_if(LIBUNWIND_CXX_FLAGS LIBUNWIND_HAS_NO_RTTI_FLAG -fno-rtti) 69 70unwind_append_if(LIBUNWIND_LINK_FLAGS LIBUNWIND_HAS_NODEFAULTLIBS_FLAG -nodefaultlibs) 71 72# MINGW_LIBRARIES is defined in config-ix.cmake 73unwind_append_if(libraries MINGW "${MINGW_LIBRARIES}") 74 75if (LIBUNWIND_HAS_NO_EXCEPTIONS_FLAG AND LIBUNWIND_HAS_FUNWIND_TABLES) 76 list(APPEND LIBUNWIND_COMPILE_FLAGS -fno-exceptions) 77 list(APPEND LIBUNWIND_COMPILE_FLAGS -funwind-tables) 78elseif (LIBUNWIND_ENABLE_SHARED) 79 message(FATAL_ERROR 80 "Compiler doesn't support generation of unwind tables if exception " 81 "support is disabled. Building libunwind DSO with runtime dependency " 82 "on C++ ABI library is not supported.") 83endif() 84 85if (APPLE) 86 list(APPEND LIBUNWIND_COMPILE_FLAGS "-U__STRICT_ANSI__") 87 list(APPEND LIBUNWIND_LINK_FLAGS 88 "-compatibility_version 1" 89 "-install_name /usr/lib/libunwind.1.dylib") 90 91 if (CMAKE_OSX_DEPLOYMENT_TARGET STREQUAL "10.6") 92 list(APPEND LIBUNWIND_LINK_FLAGS 93 "-current_version ${LIBUNWIND_VERSION}" 94 "/usr/lib/libSystem.B.dylib") 95 endif () 96endif () 97 98string(REPLACE ";" " " LIBUNWIND_COMPILE_FLAGS "${LIBUNWIND_COMPILE_FLAGS}") 99string(REPLACE ";" " " LIBUNWIND_CXX_FLAGS "${LIBUNWIND_CXX_FLAGS}") 100string(REPLACE ";" " " LIBUNWIND_C_FLAGS "${LIBUNWIND_C_FLAGS}") 101string(REPLACE ";" " " LIBUNWIND_LINK_FLAGS "${LIBUNWIND_LINK_FLAGS}") 102 103set_property(SOURCE ${LIBUNWIND_CXX_SOURCES} 104 APPEND_STRING PROPERTY COMPILE_FLAGS " ${LIBUNWIND_CXX_FLAGS}") 105set_property(SOURCE ${LIBUNWIND_C_SOURCES} 106 APPEND_STRING PROPERTY COMPILE_FLAGS " ${LIBUNWIND_C_FLAGS}") 107 108macro(unwind_object_library name) 109 cmake_parse_arguments(ARGS "" "" "DEFINES;FLAGS" ${ARGN}) 110 111# Add a object library that contains the compiled source files. 112 add_library(${name} OBJECT ${LIBUNWIND_SOURCES} ${LIBUNWIND_HEADERS}) 113 114 if(ARGS_DEFINES) 115 target_compile_definitions(${name} PRIVATE ${ARGS_DEFINES}) 116 endif() 117 118 set_target_properties(${name} 119 PROPERTIES 120 COMPILE_FLAGS "${LIBUNWIND_COMPILE_FLAGS}" 121 POSITION_INDEPENDENT_CODE ON) 122 123 if(ARGS_FLAGS) 124 target_compile_options(${name} PRIVATE ${ARGS_FLAGS}) 125 endif() 126endmacro() 127 128if(LIBUNWIND_HERMETIC_STATIC_LIBRARY) 129 append_flags_if_supported(UNWIND_STATIC_OBJECTS_FLAGS -fvisibility=hidden) 130 append_flags_if_supported(UNWIND_STATIC_OBJECTS_FLAGS -fvisibility-global-new-delete-hidden) 131 unwind_object_library(unwind_static_objects 132 DEFINES _LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS 133 FLAGS ${UNWIND_STATIC_OBJECTS_FLAGS}) 134 unwind_object_library(unwind_shared_objects) 135 set(unwind_static_sources $<TARGET_OBJECTS:unwind_static_objects>) 136 set(unwind_shared_sources $<TARGET_OBJECTS:unwind_shared_objects>) 137else() 138 unwind_object_library(unwind_objects) 139 set(unwind_static_sources $<TARGET_OBJECTS:unwind_objects>) 140 set(unwind_shared_sources $<TARGET_OBJECTS:unwind_objects>) 141endif() 142 143# Build the shared library. 144if (LIBUNWIND_ENABLE_SHARED) 145 add_library(unwind_shared SHARED ${unwind_shared_sources}) 146 if(COMMAND llvm_setup_rpath) 147 llvm_setup_rpath(unwind_shared) 148 endif() 149 target_link_libraries(unwind_shared PRIVATE ${libraries}) 150 set_target_properties(unwind_shared 151 PROPERTIES 152 LINK_FLAGS "${LIBUNWIND_LINK_FLAGS}" 153 OUTPUT_NAME "unwind" 154 VERSION "1.0" 155 SOVERSION "1") 156 list(APPEND LIBUNWIND_BUILD_TARGETS "unwind_shared") 157 if (LIBUNWIND_INSTALL_SHARED_LIBRARY) 158 list(APPEND LIBUNWIND_INSTALL_TARGETS "unwind_shared") 159 endif() 160endif() 161 162# Build the static library. 163if (LIBUNWIND_ENABLE_STATIC) 164 add_library(unwind_static STATIC ${unwind_static_sources}) 165 target_link_libraries(unwind_static PRIVATE ${libraries}) 166 set_target_properties(unwind_static 167 PROPERTIES 168 LINK_FLAGS "${LIBUNWIND_LINK_FLAGS}" 169 OUTPUT_NAME "unwind") 170 list(APPEND LIBUNWIND_BUILD_TARGETS "unwind_static") 171 if (LIBUNWIND_INSTALL_STATIC_LIBRARY) 172 list(APPEND LIBUNWIND_INSTALL_TARGETS "unwind_static") 173 endif() 174endif() 175 176# Add a meta-target for both libraries. 177add_custom_target(unwind DEPENDS ${LIBUNWIND_BUILD_TARGETS}) 178 179if (LIBUNWIND_INSTALL_LIBRARY) 180 install(TARGETS ${LIBUNWIND_INSTALL_TARGETS} 181 LIBRARY DESTINATION ${LIBUNWIND_INSTALL_PREFIX}lib${LIBUNWIND_LIBDIR_SUFFIX} COMPONENT unwind 182 ARCHIVE DESTINATION ${LIBUNWIND_INSTALL_PREFIX}lib${LIBUNWIND_LIBDIR_SUFFIX} COMPONENT unwind) 183endif() 184 185if (NOT CMAKE_CONFIGURATION_TYPES AND LIBUNWIND_INSTALL_LIBRARY) 186 add_custom_target(install-unwind 187 DEPENDS unwind 188 COMMAND "${CMAKE_COMMAND}" 189 -DCMAKE_INSTALL_COMPONENT=unwind 190 -P "${LIBUNWIND_BINARY_DIR}/cmake_install.cmake") 191 add_custom_target(install-unwind-stripped 192 DEPENDS unwind 193 COMMAND "${CMAKE_COMMAND}" 194 -DCMAKE_INSTALL_COMPONENT=unwind 195 -DCMAKE_INSTALL_DO_STRIP=1 196 -P "${LIBUNWIND_BINARY_DIR}/cmake_install.cmake") 197endif() 198