thodg/libgit2/cmake/Modules/SelectGSSAPI.cmake

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• Hash : 89d1fc2a
  Author :
  Date : 2019-10-22T09:30:50
  

  gssapi: show information about disabled GSSAPI
  
  When USE_GSSAPI=OFF, still show information about what SPNEGO is, even
  though it's disabled.  This is for parity with other disabled features
  like SSH and debugpool that still show details about what is disabled.
  

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• cmake/Modules/SelectGSSAPI.cmake

• # Select the backend to use
  
  # We try to find any packages our backends might use
  
  FIND_PACKAGE(GSSAPI)
  IF (CMAKE_SYSTEM_NAME MATCHES "Darwin")
  	INCLUDE(FindGSSFramework)
  ENDIF()
  
  # Auto-select GSS backend
  IF (USE_GSSAPI STREQUAL ON)
  	IF (GSSFRAMEWORK_FOUND)
  		SET(GSS_BACKEND "GSS.framework")
  	ELSEIF(GSSAPI_FOUND)
  		SET(GSS_BACKEND "gssapi")
  	ELSE()
  		MESSAGE(FATAL_ERROR "Unable to autodetect a usable GSS backend."
  			"Please pass the backend name explicitly (-DUSE_GSS=backend)")
  	ENDIF()
  ELSEIF(USE_GSSAPI)
  	# Backend was explicitly set
  	SET(GSS_BACKEND ${USE_GSSAPI})
  ELSE()
  	SET(GSS_BACKEND NO)
  ENDIF()
  
  IF(GSS_BACKEND)
  	# Check that we can find what's required for the selected backend
  	IF (GSS_BACKEND STREQUAL "GSS.framework")
  		IF (NOT GSSFRAMEWORK_FOUND)
  			MESSAGE(FATAL_ERROR "Asked for GSS.framework backend, but it wasn't found")
  		ENDIF()
  
  		LIST(APPEND LIBGIT2_LIBS ${GSSFRAMEWORK_LIBRARIES})
  
  		SET(GIT_GSSFRAMEWORK 1)
  		ADD_FEATURE_INFO(SPNEGO GIT_GSSFRAMEWORK "SPNEGO authentication support (${GSS_BACKEND})")
  	ELSEIF (GSS_BACKEND STREQUAL "gssapi")
  		IF (NOT GSSAPI_FOUND)
  			MESSAGE(FATAL_ERROR "Asked for gssapi GSS backend, but it wasn't found")
  		ENDIF()
  
  		LIST(APPEND LIBGIT2_LIBS ${GSSAPI_LIBRARIES})
  
  		SET(GIT_GSSAPI 1)
  		ADD_FEATURE_INFO(SPNEGO GIT_GSSAPI "SPNEGO authentication support (${GSS_BACKEND})")
  	ELSE()
  		MESSAGE(FATAL_ERROR "Asked for backend ${GSS_BACKEND} but it wasn't found")
  	ENDIF()
  ELSE()
  	SET(GIT_GSSAPI 0)
  	ADD_FEATURE_INFO(SPNEGO NO "SPNEGO authentication support")
  ENDIF()
  

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