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# Get sources
set(LIBUNWIND_CXX_SOURCES
libunwind.cpp
Unwind-EHABI.cpp
Unwind-seh.cpp
)
if(APPLE)
list(APPEND LIBUNWIND_CXX_SOURCES
Unwind_AppleExtras.cpp
)
endif()
set(LIBUNWIND_C_SOURCES
UnwindLevel1.c
UnwindLevel1-gcc-ext.c
Unwind-sjlj.c
)
set_source_files_properties(${LIBUNWIND_C_SOURCES}
PROPERTIES
COMPILE_FLAGS "-std=c99")
set(LIBUNWIND_ASM_SOURCES
UnwindRegistersRestore.S
UnwindRegistersSave.S
)
set_source_files_properties(${LIBUNWIND_ASM_SOURCES}
PROPERTIES
LANGUAGE C)
set(LIBUNWIND_HEADERS
AddressSpace.hpp
assembly.h
CompactUnwinder.hpp
config.h
dwarf2.h
DwarfInstructions.hpp
DwarfParser.hpp
libunwind_ext.h
Registers.hpp
RWMutex.hpp
UnwindCursor.hpp
../include/libunwind.h
../include/unwind.h
)
if(APPLE)
list(APPEND LIBUNWIND_HEADERS
../include/mach-o/compact_unwind_encoding.h
)
endif()
if (MSVC_IDE)
# Force them all into the headers dir on MSVC, otherwise they end up at
# project scope because they don't have extensions.
source_group("Header Files" FILES ${LIBUNWIND_HEADERS})
endif()
set(LIBUNWIND_SOURCES
${LIBUNWIND_CXX_SOURCES}
${LIBUNWIND_C_SOURCES}
${LIBUNWIND_ASM_SOURCES})
# Generate library list.
add_library_flags_if(LIBUNWIND_HAS_C_LIB c)
if (LIBUNWIND_USE_COMPILER_RT)
add_library_flags("${LIBUNWIND_BUILTINS_LIBRARY}")
else()
add_library_flags_if(LIBUNWIND_HAS_GCC_S_LIB gcc_s)
add_library_flags_if(LIBUNWIND_HAS_GCC_LIB gcc)
endif()
add_library_flags_if(LIBUNWIND_HAS_DL_LIB dl)
if (LIBUNWIND_ENABLE_THREADS)
add_library_flags_if(LIBUNWIND_HAS_PTHREAD_LIB pthread)
add_compile_flags_if(LIBUNWIND_WEAK_PTHREAD_LIB -DLIBUNWIND_USE_WEAK_PTHREAD=1)
endif()
# Setup flags.
add_link_flags_if_supported(-nodefaultlibs)
# MINGW_LIBRARIES is defined in config-ix.cmake
add_library_flags_if(MINGW "${MINGW_LIBRARIES}")
if (LIBUNWIND_ENABLE_SHARED AND
NOT (LIBUNWIND_SUPPORTS_FNO_EXCEPTIONS_FLAG AND
LIBUNWIND_SUPPORTS_FUNWIND_TABLES_FLAG))
message(FATAL_ERROR
"Compiler doesn't support generation of unwind tables if exception "
"support is disabled. Building libunwind DSO with runtime dependency "
"on C++ ABI library is not supported.")
endif()
if (APPLE)
add_compile_flags("-U__STRICT_ANSI__")
add_link_flags("-compatibility_version 1" "-install_name /usr/lib/libunwind.1.dylib")
if (CMAKE_OSX_DEPLOYMENT_TARGET STREQUAL "10.6")
add_link_flags("-current_version ${LIBUNWIND_VERSION}" "/usr/lib/libSystem.B.dylib")
endif ()
endif ()
string(REPLACE ";" " " LIBUNWIND_COMPILE_FLAGS "${LIBUNWIND_COMPILE_FLAGS}")
string(REPLACE ";" " " LIBUNWIND_CXX_FLAGS "${LIBUNWIND_CXX_FLAGS}")
string(REPLACE ";" " " LIBUNWIND_C_FLAGS "${LIBUNWIND_C_FLAGS}")
string(REPLACE ";" " " LIBUNWIND_LINK_FLAGS "${LIBUNWIND_LINK_FLAGS}")
set_property(SOURCE ${LIBUNWIND_CXX_SOURCES}
APPEND_STRING PROPERTY COMPILE_FLAGS " ${LIBUNWIND_CXX_FLAGS}")
set_property(SOURCE ${LIBUNWIND_C_SOURCES}
APPEND_STRING PROPERTY COMPILE_FLAGS " ${LIBUNWIND_C_FLAGS}")
# NOTE: avoid implicit dependencies on C++ runtimes. libunwind uses C++ for
# ease, but does not rely on C++ at runtime.
set(CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "")
# Build the shared library.
if (LIBUNWIND_ENABLE_SHARED)
add_library(unwind_shared SHARED ${LIBUNWIND_SOURCES} ${LIBUNWIND_HEADERS})
if(CMAKE_C_COMPILER_ID STREQUAL MSVC)
target_compile_options(unwind_shared PRIVATE /GR-)
else()
target_compile_options(unwind_shared PRIVATE -fno-rtti)
endif()
if(COMMAND llvm_setup_rpath)
llvm_setup_rpath(unwind_shared)
endif()
target_link_libraries(unwind_shared PRIVATE ${LIBUNWIND_LIBRARIES})
set_target_properties(unwind_shared PROPERTIES
CXX_EXTENSIONS OFF
CXX_STANDARD 11
CXX_STANDARD_REQUIRED ON
COMPILE_FLAGS "${LIBUNWIND_COMPILE_FLAGS}"
LINK_FLAGS "${LIBUNWIND_LINK_FLAGS}"
LINKER_LANGUAGE C
OUTPUT_NAME "unwind"
VERSION "1.0"
SOVERSION "1")
list(APPEND LIBUNWIND_BUILD_TARGETS "unwind_shared")
if (LIBUNWIND_INSTALL_SHARED_LIBRARY)
list(APPEND LIBUNWIND_INSTALL_TARGETS "unwind_shared")
endif()
endif()
# Build the static library.
if (LIBUNWIND_ENABLE_STATIC)
add_library(unwind_static STATIC ${LIBUNWIND_SOURCES} ${LIBUNWIND_HEADERS})
if(CMAKE_C_COMPILER_ID STREQUAL MSVC)
target_compile_options(unwind_static PRIVATE /GR-)
else()
target_compile_options(unwind_static PRIVATE -fno-rtti)
endif()
target_link_libraries(unwind_static PRIVATE ${LIBUNWIND_LIBRARIES})
set_target_properties(unwind_static PROPERTIES
CXX_EXTENSIONS OFF
CXX_STANDARD 11
CXX_STANDARD_REQUIRED ON
COMPILE_FLAGS "${LIBUNWIND_COMPILE_FLAGS}"
LINK_FLAGS "${LIBUNWIND_LINK_FLAGS}"
LINKER_LANGUAGE C
OUTPUT_NAME "unwind")
if(LIBUNWIND_HERMETIC_STATIC_LIBRARY)
append_flags_if_supported(UNWIND_STATIC_LIBRARY_FLAGS -fvisibility=hidden)
append_flags_if_supported(UNWIND_STATIC_LIBRARY_FLAGS -fvisibility-global-new-delete-hidden)
target_compile_options(unwind_static PRIVATE ${UNWIND_STATIC_LIBRARY_FLAGS})
target_compile_definitions(unwind_static PRIVATE _LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS)
endif()
list(APPEND LIBUNWIND_BUILD_TARGETS "unwind_static")
if (LIBUNWIND_INSTALL_STATIC_LIBRARY)
list(APPEND LIBUNWIND_INSTALL_TARGETS "unwind_static")
endif()
endif()
# Add a meta-target for both libraries.
add_custom_target(unwind DEPENDS ${LIBUNWIND_BUILD_TARGETS})
if (LIBUNWIND_INSTALL_LIBRARY)
install(TARGETS ${LIBUNWIND_INSTALL_TARGETS}
LIBRARY DESTINATION ${LIBUNWIND_INSTALL_PREFIX}${LIBUNWIND_INSTALL_LIBRARY_DIR} COMPONENT unwind
ARCHIVE DESTINATION ${LIBUNWIND_INSTALL_PREFIX}${LIBUNWIND_INSTALL_LIBRARY_DIR} COMPONENT unwind)
endif()
if (NOT CMAKE_CONFIGURATION_TYPES AND LIBUNWIND_INSTALL_LIBRARY)
add_custom_target(install-unwind
DEPENDS unwind
COMMAND "${CMAKE_COMMAND}"
-DCMAKE_INSTALL_COMPONENT=unwind
-P "${LIBUNWIND_BINARY_DIR}/cmake_install.cmake")
add_custom_target(install-unwind-stripped
DEPENDS unwind
COMMAND "${CMAKE_COMMAND}"
-DCMAKE_INSTALL_COMPONENT=unwind
-DCMAKE_INSTALL_DO_STRIP=1
-P "${LIBUNWIND_BINARY_DIR}/cmake_install.cmake")
endif()
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