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# - Find kerberos 5
# Find the native Kerberos 5 headers and libraries.
# KRB5_INCLUDE_DIRS - where to find krb5.h, etc.
# KRB5_LIBRARIES - List of libraries when using kerberos 5.
# KRB5_FOUND - True if kerberos 5 found.
# KRB5 modules may be specified as components for this find module.
# Modules may be listed by running "krb5-config". Modules include:
# krb5 Kerberos 5 application
# gssapi GSSAPI application with Kerberos 5 bindings
# krb4 Kerberos 4 application
# kadm-client Kadmin client
# kadm-server Kadmin server
# kdb Application that accesses the kerberos database
# Typical usage:
# FIND_PACKAGE(KRB5 REQUIRED gssapi)
# First find the config script from which to obtain other values.
FIND_PROGRAM(KRB5_C_CONFIG NAMES krb5-config)
# Check whether we found anything.
IF(KRB5_C_CONFIG)
SET(KRB5_FOUND 1)
ELSE(KRB5_C_CONFIG)
SET(KRB5_FOUND 0)
ENDIF(KRB5_C_CONFIG)
# Lookup the include directories needed for the components requested.
IF(KRB5_FOUND)
# Use the newer EXECUTE_PROCESS command if it is available.
IF(COMMAND EXECUTE_PROCESS)
EXECUTE_PROCESS(
COMMAND ${KRB5_C_CONFIG} ${KRB5_FIND_COMPONENTS} --cflags
OUTPUT_VARIABLE KRB5_C_CONFIG_CFLAGS
OUTPUT_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE KRB5_C_CONFIG_RESULT
)
ELSE(COMMAND EXECUTE_PROCESS)
EXEC_PROGRAM(${KRB5_C_CONFIG} ARGS "${KRB5_FIND_COMPONENTS} --cflags"
OUTPUT_VARIABLE KRB5_C_CONFIG_CFLAGS
RETURN_VALUE KRB5_C_CONFIG_RESULT
)
ENDIF(COMMAND EXECUTE_PROCESS)
# Parse the include flags.
IF("${KRB5_C_CONFIG_RESULT}" MATCHES "^0$")
# Convert the compile flags to a CMake list.
STRING(REGEX REPLACE " +" ";"
KRB5_C_CONFIG_CFLAGS "${KRB5_C_CONFIG_CFLAGS}")
# Look for -I options.
SET(KRB5_INCLUDE_DIRS)
FOREACH(flag ${KRB5_C_CONFIG_CFLAGS})
IF("${flag}" MATCHES "^-I")
STRING(REGEX REPLACE "^-I" "" DIR "${flag}")
FILE(TO_CMAKE_PATH "${DIR}" DIR)
SET(KRB5_INCLUDE_DIRS ${KRB5_INCLUDE_DIRS} "${DIR}")
ENDIF("${flag}" MATCHES "^-I")
ENDFOREACH(flag)
ELSE("${KRB5_C_CONFIG_RESULT}" MATCHES "^0$")
MESSAGE("Error running ${KRB5_C_CONFIG}: [${KRB5_C_CONFIG_RESULT}]")
SET(KRB5_FOUND 0)
ENDIF("${KRB5_C_CONFIG_RESULT}" MATCHES "^0$")
ENDIF(KRB5_FOUND)
# Lookup the libraries needed for the components requested.
IF(KRB5_FOUND)
# Use the newer EXECUTE_PROCESS command if it is available.
IF(COMMAND EXECUTE_PROCESS)
EXECUTE_PROCESS(
COMMAND ${KRB5_C_CONFIG} ${KRB5_FIND_COMPONENTS} --libs
OUTPUT_VARIABLE KRB5_C_CONFIG_LIBS
OUTPUT_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE KRB5_C_CONFIG_RESULT
)
ELSE(COMMAND EXECUTE_PROCESS)
EXEC_PROGRAM(${KRB5_C_CONFIG} ARGS "${KRB5_FIND_COMPONENTS} --libs"
OUTPUT_VARIABLE KRB5_C_CONFIG_LIBS
RETURN_VALUE KRB5_C_CONFIG_RESULT
)
ENDIF(COMMAND EXECUTE_PROCESS)
# Parse the library names and directories.
IF("${KRB5_C_CONFIG_RESULT}" MATCHES "^0$")
STRING(REGEX REPLACE " +" ";"
KRB5_C_CONFIG_LIBS "${KRB5_C_CONFIG_LIBS}")
# Look for -L flags for directories and -l flags for library names.
SET(KRB5_LIBRARY_DIRS)
SET(KRB5_LIBRARY_NAMES)
FOREACH(flag ${KRB5_C_CONFIG_LIBS})
IF("${flag}" MATCHES "^-L")
STRING(REGEX REPLACE "^-L" "" DIR "${flag}")
FILE(TO_CMAKE_PATH "${DIR}" DIR)
SET(KRB5_LIBRARY_DIRS ${KRB5_LIBRARY_DIRS} "${DIR}")
ELSEIF("${flag}" MATCHES "^-l")
STRING(REGEX REPLACE "^-l" "" NAME "${flag}")
SET(KRB5_LIBRARY_NAMES ${KRB5_LIBRARY_NAMES} "${NAME}")
ENDIF("${flag}" MATCHES "^-L")
ENDFOREACH(flag)
# Search for each library needed using the directories given.
FOREACH(name ${KRB5_LIBRARY_NAMES})
# Look for this library.
FIND_LIBRARY(KRB5_${name}_LIBRARY
NAMES ${name}
PATHS ${KRB5_LIBRARY_DIRS}
NO_DEFAULT_PATH
)
FIND_LIBRARY(KRB5_${name}_LIBRARY NAMES ${name})
MARK_AS_ADVANCED(KRB5_${name}_LIBRARY)
# If any library is not found then the whole package is not found.
IF(NOT KRB5_${name}_LIBRARY)
SET(KRB5_FOUND 0)
ENDIF(NOT KRB5_${name}_LIBRARY)
# Build an ordered list of all the libraries needed.
SET(KRB5_LIBRARIES ${KRB5_LIBRARIES} "${KRB5_${name}_LIBRARY}")
ENDFOREACH(name)
ELSE("${KRB5_C_CONFIG_RESULT}" MATCHES "^0$")
MESSAGE("Error running ${KRB5_C_CONFIG}: [${KRB5_C_CONFIG_RESULT}]")
SET(KRB5_FOUND 0)
ENDIF("${KRB5_C_CONFIG_RESULT}" MATCHES "^0$")
ENDIF(KRB5_FOUND)
# Report the results.
IF(NOT KRB5_FOUND)
SET(KRB5_DIR_MESSAGE
"KRB5 was not found. Make sure the entries KRB5_* are set.")
IF(NOT KRB5_FIND_QUIETLY)
MESSAGE(STATUS "${KRB5_DIR_MESSAGE}")
ELSE(NOT KRB5_FIND_QUIETLY)
IF(KRB5_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "${KRB5_DIR_MESSAGE}")
ENDIF(KRB5_FIND_REQUIRED)
ENDIF(NOT KRB5_FIND_QUIETLY)
ELSE(NOT KRB5_FOUND)
MESSAGE(STATUS "Found kerberos 5 headers: ${KRB5_INCLUDE_DIRS}")
MESSAGE(STATUS "Found kerberos 5 libs: ${KRB5_LIBRARIES}")
ENDIF(NOT KRB5_FOUND)
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