mirror of https://github.com/gnss-sdr/gnss-sdr
146 lines
5.1 KiB
CMake
146 lines
5.1 KiB
CMake
# GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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# This file is part of GNSS-SDR.
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#
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# SPDX-FileCopyrightText: 2022 C. Fernandez-Prades cfernandez(at)cttc.es
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# SPDX-License-Identifier: BSD-3-Clause
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# Find the libunwind library
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#
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# LIBUNWIND_FOUND - True if libunwind was found.
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# LIBUNWIND_LIBRARIES - The libraries needed to use libunwind
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# LIBUNWIND_INCLUDE_DIR - Location of libunwind.h
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# INPUT (Optional):
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# LIBUNWIND_ROOT - path where include + lib of libunwind install is located
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if(NOT COMMAND feature_summary)
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include(FeatureSummary)
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endif()
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find_path(LIBUNWIND_INCLUDE_DIR
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NAMES
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libunwind.h
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unwind.h
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HINTS
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/usr
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/usr/local
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/opt/local
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PATH_SUFFIXES include
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PATHS "${LIBUNWIND_ROOT}/include"
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)
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find_library(LIBUNWIND_GENERIC_LIBRARY
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NAMES
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libunwind
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unwind
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HINTS
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/usr
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/usr/local
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/opt/local
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PATH_SUFFIXES lib lib64
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PATHS
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"${LIBUNWIND_ROOT}/lib"
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"${LIBUNWIND_ROOT}/lib64"
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)
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if(LIBUNWIND_INCLUDE_DIR)
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if(LIBUNWIND_GENERIC_LIBRARY)
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set(LIBUNWIND_LIBRARIES ${LIBUNWIND_GENERIC_LIBRARY})
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if(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64|arm64)")
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set(LIBUNWIND_ARCH "aarch64")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
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set(LIBUNWIND_ARCH "arm")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "(x86_64)|(AMD64|amd64)|(corei7-64)")
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set(LIBUNWIND_ARCH "x86_64")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^i.86$")
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set(LIBUNWIND_ARCH "x86")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^ppc64")
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set(LIBUNWIND_ARCH "ppc64")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^ppc")
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set(LIBUNWIND_ARCH "ppc32")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^mips")
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set(LIBUNWIND_ARCH "mips")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^hppa")
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set(LIBUNWIND_ARCH "hppa")
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^ia64")
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set(LIBUNWIND_ARCH "ia64")
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endif()
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if(LIBUNWIND_ARCH)
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find_library(LIBUNWIND_SPECIFIC_LIBRARY
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NAMES
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libunwind-${LIBUNWIND_ARCH}
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"unwind-${LIBUNWIND_ARCH}"
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HINTS
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/usr
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/usr/local
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/opt/local
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PATH_SUFFIXES lib lib64
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PATHS "${LIBUNWIND_ROOT}"
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)
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if(NOT LIBUNWIND_SPECIFIC_LIBRARY)
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message(STATUS " -- Failed to find unwind-${LIBUNWIND_ARCH}")
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else()
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set(LIBUNWIND_LIBRARIES ${LIBUNWIND_LIBRARIES} ${LIBUNWIND_SPECIFIC_LIBRARY})
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endif()
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endif()
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endif()
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else()
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message(STATUS " -- Could NOT find libunwind.h")
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(LIBUNWIND DEFAULT_MSG LIBUNWIND_INCLUDE_DIR)
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if(LIBUNWIND_FOUND)
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set(_Unwind_VERSION_HEADER ${LIBUNWIND_INCLUDE_DIR}/libunwind-common.h)
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if(EXISTS ${_Unwind_VERSION_HEADER})
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file(READ ${_Unwind_VERSION_HEADER} _Unwind_VERSION_CONTENTS)
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string(REGEX REPLACE ".*#define UNW_VERSION_MAJOR[ \t]+([0-9]+).*" "\\1"
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LIBUNWIND_VERSION_MAJOR "${_Unwind_VERSION_CONTENTS}")
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string(REGEX REPLACE ".*#define UNW_VERSION_MINOR[ \t]+([0-9]+).*" "\\1"
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LIBUNWIND_VERSION_MINOR "${_Unwind_VERSION_CONTENTS}")
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string(REGEX REPLACE ".*#define UNW_VERSION_EXTRA[ \t]+([0-9]+).*" "\\1"
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LIBUNWIND_VERSION_PATCH "${_Unwind_VERSION_CONTENTS}")
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set(LIBUNWIND_VERSION ${LIBUNWIND_VERSION_MAJOR}.${LIBUNWIND_VERSION_MINOR})
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if(CMAKE_MATCH_0)
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# Third version component may be empty
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set(LIBUNWIND_VERSION ${LIBUNWIND_VERSION}.${LIBUNWIND_VERSION_PATCH})
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set(LIBUNWIND_VERSION_COMPONENTS 3)
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else()
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set(LIBUNWIND_VERSION_COMPONENTS 2)
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endif()
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endif()
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endif()
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if(LIBUNWIND_FOUND AND NOT TARGET Libunwind::libunwind)
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if(LIBUNWIND_GENERIC_LIBRARY)
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add_library(Libunwind::libunwind SHARED IMPORTED)
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set_target_properties(Libunwind::libunwind PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES "CXX"
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IMPORTED_LOCATION "${LIBUNWIND_GENERIC_LIBRARY}"
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INTERFACE_INCLUDE_DIRECTORIES "${LIBUNWIND_INCLUDE_DIR}"
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INTERFACE_LINK_LIBRARIES "${LIBUNWIND_LIBRARIES}"
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)
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else()
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add_library(Libunwind::libunwind INTERFACE IMPORTED)
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set_target_properties(Libunwind::libunwind PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${LIBUNWIND_INCLUDE_DIR}"
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)
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endif()
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endif()
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set_package_properties(LIBUNWIND PROPERTIES
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URL "https://www.nongnu.org/libunwind/"
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)
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if(LIBUNWIND_VERSION)
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set_package_properties(LIBUNWIND PROPERTIES
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DESCRIPTION "Portable and efficient C programming interface to determine the call-chain of a program (found: v${LIBUNWIND_VERSION})"
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)
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else()
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set_package_properties(LIBUNWIND PROPERTIES
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DESCRIPTION "Portable and efficient C programming interface to determine the call-chain of a program"
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)
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endif()
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mark_as_advanced(LIBUNWIND_LIBRARIES LIBUNWIND_INCLUDE_DIR)
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