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149 lines
4.4 KiB
CMake
149 lines
4.4 KiB
CMake
#[=======================================================================[.rst
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FindLibrist
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----------
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FindModule for Librist and associated libraries
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.. versionchanged:: 3.0
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Updated FindModule to CMake standards
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Imported Targets
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^^^^^^^^^^^^^^^^
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.. versionadded:: 2.0
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This module defines the :prop_tgt:`IMPORTED` target ``Librist::Librist``.
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Result Variables
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^^^^^^^^^^^^^^^^
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This module sets the following variables:
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``Librist_FOUND``
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True, if all required components and the core library were found.
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``Librist_VERSION``
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Detected version of found Librist libraries.
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Cache variables
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^^^^^^^^^^^^^^^
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The following cache variables may also be set:
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``Librist_LIBRARY``
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Path to the library component of Librist.
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``Librist_INCLUDE_DIR``
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Directory containing ``librist.h``.
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#]=======================================================================]
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include(FindPackageHandleStandardArgs)
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find_package(PkgConfig QUIET)
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if(PKG_CONFIG_FOUND)
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pkg_search_module(PC_Librist QUIET librist)
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endif()
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# Librist_set_soname: Set SONAME on imported library target
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macro(Librist_set_soname)
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if(CMAKE_HOST_SYSTEM_NAME MATCHES "Darwin")
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execute_process(
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COMMAND sh -c "otool -D '${Librist_LIBRARY}' | grep -v '${Librist_LIBRARY}'"
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OUTPUT_VARIABLE _output
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RESULT_VARIABLE _result
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)
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if(_result EQUAL 0 AND _output MATCHES "^@rpath/")
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set_property(TARGET Librist::Librist PROPERTY IMPORTED_SONAME "${_output}")
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endif()
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elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|FreeBSD")
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execute_process(
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COMMAND sh -c "objdump -p '${Librist_LIBRARY}' | grep SONAME"
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OUTPUT_VARIABLE _output
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RESULT_VARIABLE _result
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)
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if(_result EQUAL 0)
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string(REGEX REPLACE "[ \t]+SONAME[ \t]+([^ \t]+)" "\\1" _soname "${_output}")
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set_property(TARGET Librist::Librist PROPERTY IMPORTED_SONAME "${_soname}")
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unset(_soname)
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endif()
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endif()
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unset(_output)
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unset(_result)
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endmacro()
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find_path(
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Librist_INCLUDE_DIR
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NAMES librist.h librist/librist.h
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HINTS ${PC_Librist_INCLUDE_DIRS}
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PATHS /usr/include /usr/local/include
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DOC "Librist include directory"
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)
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if(PC_Librist_VERSION VERSION_GREATER 0)
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set(Librist_VERSION ${PC_Librist_VERSION})
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elseif(EXISTS "${Librist_INCLUDE_DIR}/version.h")
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file(STRINGS "${_VERSION_FILE}" _VERSION_STRING REGEX "^.*VERSION_(MAJOR|MINOR|PATCH)[ \t]+[0-9]+[ \t]*$")
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string(REGEX REPLACE ".*VERSION_MAJOR[ \t]+([0-9]+).*" "\\1" _VERSION_MAJOR "${_VERSION_STRING}")
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string(REGEX REPLACE ".*VERSION_MINOR[ \t]+([0-9]+).*" "\\1" _VERSION_MINOR "${_VERSION_STRING}")
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string(REGEX REPLACE ".*VERSION_PATCH[ \t]+([0-9]+).*" "\\1" _VERSION_PATCH "${_VERSION_STRING}")
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set(Librist_VERSION "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_MICRO}")
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else()
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if(NOT Librist_FIND_QUIETLY)
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message(AUTHOR_WARNING "Failed to find Librist version.")
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endif()
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set(Librist_VERSION 0.0.0)
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endif()
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find_library(
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Librist_LIBRARY
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NAMES librist rist
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HINTS ${PC_Librist_LIBRARY_DIRS}
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PATHS /usr/lib /usr/local/lib
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DOC "Librist location"
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)
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if(CMAKE_HOST_SYSTEM_NAME MATCHES "Darwin|Windows")
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set(Librist_ERROR_REASON "Ensure that obs-deps is provided as part of CMAKE_PREFIX_PATH.")
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elseif(CMAKE_HOST_SYSTEM_NAME MATCHES "Linux|FreeBSD")
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set(Librist_ERROR_REASON "Ensure librist libraries are available in local library paths.")
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endif()
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find_package_handle_standard_args(
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Librist
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REQUIRED_VARS Librist_LIBRARY Librist_INCLUDE_DIR
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VERSION_VAR Librist_VERSION
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REASON_FAILURE_MESSAGE "${Librist_ERROR_REASON}"
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)
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mark_as_advanced(Librist_INCLUDE_DIR Librist_LIBRARY)
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unset(Librist_ERROR_REASON)
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if(Librist_FOUND)
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if(NOT TARGET Librist::Librist)
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if(IS_ABSOLUTE "${Librist_LIBRARY}")
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add_library(Librist::Librist UNKNOWN IMPORTED)
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set_property(TARGET Librist::Librist PROPERTY IMPORTED_LOCATION "${Librist_LIBRARY}")
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else()
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add_library(Librist::Librist INTERFACE IMPORTED)
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set_property(TARGET Librist::Librist PROPERTY IMPORTED_LIBNAME "${Librist_LIBRARY}")
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endif()
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librist_set_soname()
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set_target_properties(
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Librist::Librist
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PROPERTIES
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INTERFACE_COMPILE_OPTIONS "${PC_Librist_CFLAGS_OTHER}"
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INTERFACE_INCLUDE_DIRECTORIES "${Librist_INCLUDE_DIR}"
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VERSION ${Librist_VERSION}
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)
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endif()
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endif()
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include(FeatureSummary)
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set_package_properties(
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Librist
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PROPERTIES
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URL "https://code.videolan.org/rist/librist"
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DESCRIPTION "A library that can be used to easily add the RIST protocol to your application."
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)
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