+OPTION (EXPORT_NG_API "Export experimental libzypp API" OFF)
+#--------------------------------------------------------------------------------
+SET (have_system x)
+
+IF (DEBIAN)
+ MESSAGE (STATUS "Building for Debian")
+ SET (ENABLE_BUILD_DOCS ON)
+ SET (ENABLE_BUILD_TRANS ON)
+ SET (ENABLE_BUILD_TESTS ON)
+ SET (have_system ${have_system}x)
+ENDIF (DEBIAN)
+
+IF (${have_system} STREQUAL x)
+ MESSAGE (STATUS "Building for SUSE")
+ENDIF (${have_system} STREQUAL x)
+
+IF (${have_system} STRGREATER xx)
+ MESSAGE (FATAL_ERROR "Can only build for one system type.")
+ENDIF (${have_system} STRGREATER xx)
+#--------------------------------------------------------------------------------