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Diffstat (limited to 'FindKRB5.cmake')
| -rw-r--r-- | FindKRB5.cmake | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/FindKRB5.cmake b/FindKRB5.cmake new file mode 100644 index 0000000..cbf185c --- /dev/null +++ b/FindKRB5.cmake @@ -0,0 +1,141 @@ +# - 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) + |