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# -*- mode: cmake; -*-
# locates the gnutls library
# This file defines:
# * GNUTLS_FOUND if gnutls was found
# * GNUTLS_LIBRARY The lib to link to (currently only a static unix lib)
# * GNUTLS_INCLUDE_DIR
if (NOT GNUTLS_FIND_QUIETLY)
message(STATUS "FindGnuTls check")
endif (NOT GNUTLS_FIND_QUIETLY)
if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
include(FindPackageHandleStandardArgs)
if (NOT WIN32)
include(FindPkgConfig)
if ( PKG_CONFIG_FOUND OR NOT ${PKG_CONFIG_EXECUTABLE} STREQUAL "PKG_CONFIG_EXECUTABLE-NOTFOUND")
pkg_check_modules (PC_GNUTLS gnutls>=2.8)
set(GNUTLS_DEFINITIONS ${PC_GNUTLS_CFLAGS_OTHER})
message(STATUS "==> '${PC_GNUTLS_CFLAGS_OTHER}'")
else(PKG_CONFIG_FOUND OR NOT ${PKG_CONFIG_EXECUTABLE} STREQUAL "PKG_CONFIG_EXECUTABLE-NOTFOUND")
message(STATUS "==> N '${PC_GNUTLS_CFLAGS_OTHER}'")
endif(PKG_CONFIG_FOUND OR NOT ${PKG_CONFIG_EXECUTABLE} STREQUAL "PKG_CONFIG_EXECUTABLE-NOTFOUND")
endif (NOT WIN32)
#
# set defaults
set(_gnutls_HOME "/usr/local")
set(_gnutls_INCLUDE_SEARCH_DIRS
${CMAKE_INCLUDE_PATH}
/usr/local/include
/usr/include
)
set(_gnutls_LIBRARIES_SEARCH_DIRS
${CMAKE_LIBRARY_PATH}
/usr/local/lib
/usr/lib
)
##
if( "${GNUTLS_HOME}" STREQUAL "")
if("" MATCHES "$ENV{GNUTLS_HOME}")
message(STATUS "GNUTLS_HOME env is not set, setting it to /usr/local")
set (GNUTLS_HOME ${_gnutls_HOME})
else("" MATCHES "$ENV{GNUTLS_HOME}")
set (GNUTLS_HOME "$ENV{GNUTLS_HOME}")
endif("" MATCHES "$ENV{GNUTLS_HOME}")
else( "${GNUTLS_HOME}" STREQUAL "")
message(STATUS "GNUTLS_HOME is not empty: \"${GNUTLS_HOME}\"")
endif( "${GNUTLS_HOME}" STREQUAL "")
##
message(STATUS "Looking for gnutls in ${GNUTLS_HOME}")
if( NOT ${GNUTLS_HOME} STREQUAL "" )
set(_gnutls_INCLUDE_SEARCH_DIRS ${GNUTLS_HOME}/include ${_gnutls_INCLUDE_SEARCH_DIRS})
set(_gnutls_LIBRARIES_SEARCH_DIRS ${GNUTLS_HOME}/lib ${_gnutls_LIBRARIES_SEARCH_DIRS})
set(_gnutls_HOME ${GNUTLS_HOME})
endif( NOT ${GNUTLS_HOME} STREQUAL "" )
if( NOT $ENV{GNUTLS_INCLUDEDIR} STREQUAL "" )
set(_gnutls_INCLUDE_SEARCH_DIRS $ENV{GNUTLS_INCLUDEDIR} ${_gnutls_INCLUDE_SEARCH_DIRS})
endif( NOT $ENV{GNUTLS_INCLUDEDIR} STREQUAL "" )
if( NOT $ENV{GNUTLS_LIBRARYDIR} STREQUAL "" )
set(_gnutls_LIBRARIES_SEARCH_DIRS $ENV{GNUTLS_LIBRARYDIR} ${_gnutls_LIBRARIES_SEARCH_DIRS})
endif( NOT $ENV{GNUTLS_LIBRARYDIR} STREQUAL "" )
if( GNUTLS_HOME )
set(_gnutls_INCLUDE_SEARCH_DIRS ${GNUTLS_HOME}/include ${_gnutls_INCLUDE_SEARCH_DIRS})
set(_gnutls_LIBRARIES_SEARCH_DIRS ${GNUTLS_HOME}/lib ${_gnutls_LIBRARIES_SEARCH_DIRS})
set(_gnutls_HOME ${GNUTLS_HOME})
endif( GNUTLS_HOME )
# find the include files
find_path(GNUTLS_INCLUDE_DIR gnutls/gnutls.h
HINTS
${_gnutls_INCLUDE_SEARCH_DIRS}
${PC_GNUTLS_INCLUDEDIR}
${PC_GNUTLS_INCLUDE_DIRS}
${CMAKE_INCLUDE_PATH}
)
# locate the library
if(WIN32)
set(GNUTLS_LIBRARY_NAMES ${GNUTLS_LIBRARY_NAMES} libgnutls.lib)
else(WIN32)
if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
# On MacOS
set(GNUTLS_LIBRARY_NAMES ${GNUTLS_LIBRARY_NAMES} libgnutls.dylib)
else(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set(GNUTLS_LIBRARY_NAMES ${GNUTLS_LIBRARY_NAMES} libgnutls.a)
endif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
endif(WIN32)
if( PC_GNUTLS_STATIC_LIBRARIES )
foreach(lib ${PC_GNUTLS_STATIC_LIBRARIES})
string(TOUPPER ${lib} _NAME_UPPER)
find_library(GNUTLS_${_NAME_UPPER}_LIBRARY NAMES "lib${lib}.a"
HINTS
${_gnutls_LIBRARIES_SEARCH_DIRS}
${PC_GNUTLS_LIBDIR}
${PC_GNUTLS_LIBRARY_DIRS}
)
#list(APPEND GNUTLS_LIBRARIES ${_dummy})
endforeach()
set(_GNUTLS_LIBRARIES "")
foreach(lib ${PC_GNUTLS_STATIC_LIBRARIES} sasl2 gcrypt )
string(TOUPPER ${lib} _NAME_UPPER)
if( NOT ${GNUTLS_${_NAME_UPPER}_LIBRARY} STREQUAL "GNUTLS_${_NAME_UPPER}_LIBRARY-NOTFOUND" )
set(_GNUTLS_LIBRARIES ${_GNUTLS_LIBRARIES} ${GNUTLS_${_NAME_UPPER}_LIBRARY})
else( NOT ${GNUTLS_${_NAME_UPPER}_LIBRARY} STREQUAL "GNUTLS_${_NAME_UPPER}_LIBRARY-NOTFOUND" )
set(_GNUTLS_LIBRARIES ${_GNUTLS_LIBRARIES} -l${lib})
endif( NOT ${GNUTLS_${_NAME_UPPER}_LIBRARY} STREQUAL "GNUTLS_${_NAME_UPPER}_LIBRARY-NOTFOUND" )
endforeach()
set(GNUTLS_LIBRARIES ${_GNUTLS_LIBRARIES} CACHE FILEPATH "")
endif( PC_GNUTLS_STATIC_LIBRARIES )
#else( PC_GNUTLS_STATIC_LIBRARIES )
find_library(GNUTLS_LIBRARY NAMES ${GNUTLS_LIBRARY_NAMES}
HINTS
${_gnutls_LIBRARIES_SEARCH_DIRS}
${PC_GNUTLS_LIBDIR}
${PC_GNUTLS_LIBRARY_DIRS}
)
#endif( PC_GNUTLS_STATIC_LIBRARIES )
message("==> GNUTLS_LIBRARIES='${GNUTLS_LIBRARIES}'")
# On Linux
find_library (GNUTLS_SHARED_LIBRARY
NAMES libgnutls.so
HINTS ${GNUTLS_HOME} ENV GNUTLS_HOME
PATH_SUFFIXES lib
)
# if (GNUTLS_INCLUDE_DIR AND GNUTLS_LIBRARY)
# set (GNUTLS_FOUND TRUE)
# if (NOT GNUTLS_FIND_QUIETLY)
# message (STATUS "Found gnutls headers in ${GNUTLS_INCLUDE_DIR} and libraries ${GNUTLS_LIBRARY}")
# endif (NOT GNUTLS_FIND_QUIETLY)
# else (GNUTLS_INCLUDE_DIR AND GNUTLS_LIBRARY)
# if (GNUTLS_FIND_REQUIRED)
# message (FATAL_ERROR "gnutls could not be found!")
# endif (GNUTLS_FIND_REQUIRED)
# endif (GNUTLS_INCLUDE_DIR AND GNUTLS_LIBRARY)
find_package_handle_standard_args(GNUTLS DEFAULT_MSG GNUTLS_LIBRARIES GNUTLS_INCLUDE_DIR)
else(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
set(GNUTLS_FOUND true)
set(GNUTLS_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/gnutls ${CMAKE_BINARY_DIR}/gnutls)
set(GNUTLS_LIBRARY_DIR "")
set(GNUTLS_LIBRARY gnutls)
endif(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
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