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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#.rst:
# FindGnuTLS
# ----------
#
# Try to find the GNU Transport Layer Security library (gnutls)
#
#
#
# Once done this will define
#
# ::
#
# GNUTLS_FOUND - System has gnutls
# GNUTLS_INCLUDE_DIR - The gnutls include directory
# GNUTLS_LIBRARIES - The libraries needed to use gnutls
# GNUTLS_DEFINITIONS - Compiler switches required for using gnutls
# Note that this doesn't try to find the gnutls-extra package.
if (GNUTLS_INCLUDE_DIR AND GNUTLS_LIBRARY)
# in cache already
set(gnutls_FIND_QUIETLY TRUE)
endif ()
if (NOT WIN32)
# try using pkg-config to get the directories and then use these values
# in the find_path() and find_library() calls
# also fills in GNUTLS_DEFINITIONS, although that isn't normally useful
find_package(PkgConfig QUIET)
PKG_CHECK_MODULES(PC_GNUTLS QUIET gnutls)
set(GNUTLS_DEFINITIONS ${PC_GNUTLS_CFLAGS_OTHER})
set(GNUTLS_VERSION_STRING ${PC_GNUTLS_VERSION})
endif ()
find_path(GNUTLS_INCLUDE_DIR gnutls/gnutls.h
HINTS
${PC_GNUTLS_INCLUDEDIR}
${PC_GNUTLS_INCLUDE_DIRS}
)
find_library(GNUTLS_LIBRARY NAMES gnutls libgnutls
HINTS
${PC_GNUTLS_LIBDIR}
${PC_GNUTLS_LIBRARY_DIRS}
)
mark_as_advanced(GNUTLS_INCLUDE_DIR GNUTLS_LIBRARY)
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(GnuTLS
REQUIRED_VARS GNUTLS_LIBRARY GNUTLS_INCLUDE_DIR
VERSION_VAR GNUTLS_VERSION_STRING)
if(GNUTLS_FOUND)
set(GNUTLS_LIBRARIES ${GNUTLS_LIBRARY})
set(GNUTLS_INCLUDE_DIRS ${GNUTLS_INCLUDE_DIR})
endif()
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