79 lines
2.9 KiB
CMake
79 lines
2.9 KiB
CMake
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# - Try to find libunwind
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# Once done this will define
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#
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# Unwind_FOUND - system has libunwind
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# unwind::unwind - cmake target for libunwind
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include (FindPackageHandleStandardArgs)
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find_path (Unwind_INCLUDE_DIR NAMES unwind.h libunwind.h DOC "unwind include directory")
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find_library (Unwind_LIBRARY NAMES unwind DOC "unwind library")
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if (CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
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set (Unwind_ARCH "arm")
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elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^aarch64")
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set (Unwind_ARCH "aarch64")
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elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" OR
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CMAKE_SYSTEM_PROCESSOR STREQUAL "amd64" OR
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CMAKE_SYSTEM_PROCESSOR STREQUAL "corei7-64")
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set (Unwind_ARCH "x86_64")
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elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^i.86$")
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set (Unwind_ARCH "x86")
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elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^ppc64")
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set (Unwind_ARCH "ppc64")
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elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^ppc")
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set (Unwind_ARCH "ppc32")
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elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^mips")
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set (Unwind_ARCH "mips")
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elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^hppa")
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set (Unwind_ARCH "hppa")
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elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^ia64")
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set (Unwind_ARCH "ia64")
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endif (CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
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find_library (Unwind_PLATFORM_LIBRARY NAMES "unwind-${Unwind_ARCH}"
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DOC "unwind library platform")
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mark_as_advanced (Unwind_INCLUDE_DIR Unwind_LIBRARY Unwind_PLATFORM_LIBRARY)
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# Extract version information
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if (Unwind_LIBRARY)
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set (_Unwind_VERSION_HEADER ${Unwind_INCLUDE_DIR}/libunwind-common.h)
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if (EXISTS ${_Unwind_VERSION_HEADER})
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FILE (READ ${_Unwind_VERSION_HEADER} _Unwind_VERSION_CONTENTS)
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string (REGEX REPLACE ".*#define UNW_VERSION_MAJOR[ \t]+([0-9]+).*" "\\1"
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Unwind_VERSION_MAJOR "${_Unwind_VERSION_CONTENTS}")
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string (REGEX REPLACE ".*#define UNW_VERSION_MINOR[ \t]+([0-9]+).*" "\\1"
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Unwind_VERSION_MINOR "${_Unwind_VERSION_CONTENTS}")
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string (REGEX REPLACE ".*#define UNW_VERSION_EXTRA[ \t]+([0-9]+).*" "\\1"
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Unwind_VERSION_PATCH "${_Unwind_VERSION_CONTENTS}")
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set (Unwind_VERSION
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${Unwind_VERSION_MAJOR}.${Unwind_VERSION_MINOR}.${Unwind_VERSION_PATCH})
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set (Unwind_VERSION_COMPONENTS 3)
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endif (EXISTS ${_Unwind_VERSION_HEADER})
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endif (Unwind_LIBRARY)
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# handle the QUIETLY and REQUIRED arguments and set Unwind_FOUND to TRUE
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# if all listed variables are TRUE
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find_package_handle_standard_args (Unwind REQUIRED_VARS Unwind_INCLUDE_DIR
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Unwind_LIBRARY Unwind_PLATFORM_LIBRARY VERSION_VAR Unwind_VERSION)
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if (Unwind_FOUND)
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if (NOT TARGET unwind::unwind)
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add_library (unwind::unwind INTERFACE IMPORTED)
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set_property (TARGET unwind::unwind PROPERTY
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INTERFACE_INCLUDE_DIRECTORIES ${Unwind_INCLUDE_DIR}
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)
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set_property (TARGET unwind::unwind PROPERTY
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INTERFACE_LINK_LIBRARIES ${Unwind_LIBRARY} ${Unwind_PLATFORM_LIBRARY}
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)
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set_property (TARGET unwind::unwind PROPERTY
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IMPORTED_CONFIGURATIONS RELEASE
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)
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endif (NOT TARGET unwind::unwind)
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endif (Unwind_FOUND)
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