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85 lines
2.4 KiB
CMake
85 lines
2.4 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FindGnuTLS
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----------
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Find the GNU Transport Layer Security library (gnutls)
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IMPORTED Targets
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^^^^^^^^^^^^^^^^
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.. versionadded:: 3.16
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This module defines :prop_tgt:`IMPORTED` target ``GnuTLS::GnuTLS``, if
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gnutls has been found.
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Result Variables
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^^^^^^^^^^^^^^^^
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``GNUTLS_FOUND``
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System has gnutls
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``GNUTLS_INCLUDE_DIR``
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The gnutls include directory
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``GNUTLS_LIBRARIES``
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The libraries needed to use gnutls
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``GNUTLS_DEFINITIONS``
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Compiler switches required for using gnutls
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``GNUTLS_VERSION``
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version of gnutls.
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#]=======================================================================]
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# Note that this doesn't try to find the gnutls-extra package.
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if (GNUTLS_INCLUDE_DIR AND GNUTLS_LIBRARY)
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# in cache already
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set(gnutls_FIND_QUIETLY TRUE)
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endif ()
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if (NOT WIN32)
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# try using pkg-config to get the directories and then use these values
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# in the find_path() and find_library() calls
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# also fills in GNUTLS_DEFINITIONS, although that isn't normally useful
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find_package(PkgConfig QUIET)
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PKG_CHECK_MODULES(PC_GNUTLS QUIET gnutls)
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set(GNUTLS_DEFINITIONS ${PC_GNUTLS_CFLAGS_OTHER})
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set(GNUTLS_VERSION ${PC_GNUTLS_VERSION})
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# keep for backward compatibility
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set(GNUTLS_VERSION_STRING ${PC_GNUTLS_VERSION})
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endif ()
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find_path(GNUTLS_INCLUDE_DIR gnutls/gnutls.h
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HINTS
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${PC_GNUTLS_INCLUDEDIR}
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${PC_GNUTLS_INCLUDE_DIRS}
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)
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find_library(GNUTLS_LIBRARY NAMES gnutls libgnutls
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HINTS
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${PC_GNUTLS_LIBDIR}
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${PC_GNUTLS_LIBRARY_DIRS}
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)
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mark_as_advanced(GNUTLS_INCLUDE_DIR GNUTLS_LIBRARY)
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(GnuTLS
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REQUIRED_VARS GNUTLS_LIBRARY GNUTLS_INCLUDE_DIR
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VERSION_VAR GNUTLS_VERSION_STRING)
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if(GNUTLS_FOUND)
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set(GNUTLS_LIBRARIES ${GNUTLS_LIBRARY})
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set(GNUTLS_INCLUDE_DIRS ${GNUTLS_INCLUDE_DIR})
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if(NOT TARGET GnuTLS::GnuTLS)
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add_library(GnuTLS::GnuTLS UNKNOWN IMPORTED)
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set_target_properties(GnuTLS::GnuTLS PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${GNUTLS_INCLUDE_DIRS}"
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INTERFACE_COMPILE_DEFINITIONS "${GNUTLS_DEFINITIONS}"
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IMPORTED_LINK_INTERFACE_LANGUAGES "C"
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IMPORTED_LOCATION "${GNUTLS_LIBRARIES}")
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endif()
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endif()
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