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# Get sources
set(LIBUNWIND_CXX_SOURCES
libunwind.cpp
Unwind-EHABI.cpp)
append_if(LIBUNWIND_CXX_SOURCES APPLE Unwind_AppleExtras.cpp)
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
${CMAKE_CURRENT_SOURCE_DIR}/../include/libunwind.h
${CMAKE_CURRENT_SOURCE_DIR}/../include/unwind.h)
append_if(LIBUNWIND_HEADERS APPLE
"${CMAKE_CURRENT_SOURCE_DIR}/../include/mach-o/compact_unwind_encoding.h")
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.
set(libraries ${LIBUNWINDCXX_ABI_LIBRARIES})
append_if(libraries LIBUNWIND_HAS_C_LIB c)
append_if(libraries LIBUNWIND_HAS_DL_LIB dl)
if (LIBUNWIND_ENABLE_THREADS)
append_if(libraries LIBUNWIND_HAS_PTHREAD_LIB pthread)
endif()
# Setup flags.
append_if(LIBUNWIND_CXX_FLAGS LIBUNWIND_HAS_NO_RTTI_FLAG -fno-rtti)
append_if(LIBUNWIND_LINK_FLAGS LIBUNWIND_HAS_NODEFAULTLIBS_FLAG -nodefaultlibs)
if (LIBUNWIND_HAS_NO_EXCEPTIONS_FLAG AND LIBUNWIND_HAS_FUNWIND_TABLES)
list(APPEND LIBUNWIND_COMPILE_FLAGS -fno-exceptions)
list(APPEND LIBUNWIND_COMPILE_FLAGS -funwind-tables)
elseif (LIBUNWIND_ENABLE_SHARED)
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)
list(APPEND LIBUNWIND_COMPILE_FLAGS "-U__STRICT_ANSI__")
list(APPEND LIBUNWIND_LINK_FLAGS
"-compatibility_version 1"
"-install_name /usr/lib/libunwind.1.dylib")
if (CMAKE_OSX_DEPLOYMENT_TARGET STREQUAL "10.6")
list(APPEND LIBUNWIND_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 " ${CMAKE_CXX_FLAGS} ${LIBUNWIND_CXX_FLAGS}")
set_property(SOURCE ${LIBUNWIND_C_SOURCES}
APPEND_STRING PROPERTY COMPILE_FLAGS " ${CMAKE_C_FLAGS} ${LIBUNWIND_C_FLAGS}")
# Add a object library that contains the compiled source files.
add_library(unwind_objects OBJECT ${LIBUNWIND_SOURCES} ${LIBUNWIND_HEADERS})
set_target_properties(unwind_objects
PROPERTIES
COMPILE_FLAGS "${LIBUNWIND_COMPILE_FLAGS}"
POSITION_INDEPENDENT_CODE ON)
set(LIBUNWIND_TARGETS)
# Build the shared library.
if (LIBUNWIND_ENABLE_SHARED)
add_library(unwind_shared SHARED $<TARGET_OBJECTS:unwind_objects>)
target_link_libraries(unwind_shared ${libraries})
set_target_properties(unwind_shared
PROPERTIES
LINK_FLAGS "${LIBUNWIND_LINK_FLAGS}"
OUTPUT_NAME "unwind"
VERSION "1.0"
SOVERSION "1")
list(APPEND LIBUNWIND_TARGETS "unwind_shared")
endif()
# Build the static library.
if (LIBUNWIND_ENABLE_STATIC)
add_library(unwind_static STATIC $<TARGET_OBJECTS:unwind_objects>)
target_link_libraries(unwind_static ${libraries})
set_target_properties(unwind_static
PROPERTIES
LINK_FLAGS "${LIBUNWIND_LINK_FLAGS}"
OUTPUT_NAME "unwind")
list(APPEND LIBUNWIND_TARGETS "unwind_static")
endif()
# Add a meta-target for both libraries.
add_custom_target(unwind DEPENDS ${LIBUNWIND_TARGETS})
if (LIBUNWIND_INSTALL_LIBRARY)
install(TARGETS ${LIBUNWIND_TARGETS}
LIBRARY DESTINATION ${LIBUNWIND_INSTALL_PREFIX}lib${LIBUNWIND_LIBDIR_SUFFIX} COMPONENT unwind
ARCHIVE DESTINATION ${LIBUNWIND_INSTALL_PREFIX}lib${LIBUNWIND_LIBDIR_SUFFIX} 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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