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mirror of https://github.com/gnss-sdr/gnss-sdr synced 2024-10-31 15:16:22 +00:00
gnss-sdr/cmake/Modules/FindLIBUNWIND.cmake
2022-07-27 13:19:36 +02:00

146 lines
5.1 KiB
CMake

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