lib/Kconfig

   1 #
   2 # Library configuration
   3 #
   4
   5 config BINARY_PRINTF
   6         def_bool n
   7
   8 menu "Library routines"
   9
  10 config RAID6_PQ
  11         tristate
  12
  13 config BITREVERSE
  14         tristate
  15
  16 config RATIONAL
  17         boolean
  18
  19 config GENERIC_FIND_FIRST_BIT
  20         bool
  21
  22 config GENERIC_FIND_NEXT_BIT
  23         bool
  24
  25 config GENERIC_FIND_BIT_LE
  26         bool
  27
  28 config GENERIC_FIND_LAST_BIT
  29         bool
  30         default y
  31
  32 config CRC_CCITT
  33         tristate "CRC-CCITT functions"
  34         help
  35           This option is provided for the case where no in-kernel-tree
  36           modules require CRC-CCITT functions, but a module built outside
  37           the kernel tree does. Such modules that use library CRC-CCITT
  38           functions require M here.
  39
  40 config CRC16
  41         tristate "CRC16 functions"
  42         help
  43           This option is provided for the case where no in-kernel-tree
  44           modules require CRC16 functions, but a module built outside
  45           the kernel tree does. Such modules that use library CRC16
  46           functions require M here.
  47
  48 config CRC_T10DIF
  49         tristate "CRC calculation for the T10 Data Integrity Field"
  50         help
  51           This option is only needed if a module that's not in the
  52           kernel tree needs to calculate CRC checks for use with the
  53           SCSI data integrity subsystem.
  54
  55 config CRC_ITU_T
  56         tristate "CRC ITU-T V.41 functions"
  57         help
  58           This option is provided for the case where no in-kernel-tree
  59           modules require CRC ITU-T V.41 functions, but a module built outside
  60           the kernel tree does. Such modules that use library CRC ITU-T V.41
  61           functions require M here.
  62
  63 config CRC32
  64         tristate "CRC32 functions"
  65         default y
  66         select BITREVERSE
  67         help
  68           This option is provided for the case where no in-kernel-tree
  69           modules require CRC32 functions, but a module built outside the
  70           kernel tree does. Such modules that use library CRC32 functions
  71           require M here.
  72
  73 config CRC7
  74         tristate "CRC7 functions"
  75         help
  76           This option is provided for the case where no in-kernel-tree
  77           modules require CRC7 functions, but a module built outside
  78           the kernel tree does. Such modules that use library CRC7
  79           functions require M here.
  80
  81 config LIBCRC32C
  82         tristate "CRC32c (Castagnoli, et al) Cyclic Redundancy-Check"
  83         select CRYPTO
  84         select CRYPTO_CRC32C
  85         help
  86           This option is provided for the case where no in-kernel-tree
  87           modules require CRC32c functions, but a module built outside the
  88           kernel tree does. Such modules that use library CRC32c functions
  89           require M here.  See Castagnoli93.
  90           Module will be libcrc32c.
  91
  92 config AUDIT_GENERIC
  93         bool
  94         depends on AUDIT && !AUDIT_ARCH
  95         default y
  96
  97 #
  98 # compression support is select'ed if needed
  99 #
 100 config ZLIB_INFLATE
 101         tristate
 102
 103 config ZLIB_DEFLATE
 104         tristate
 105
 106 config LZO_COMPRESS
 107         tristate
 108
 109 config LZO_DECOMPRESS
 110         tristate
 111
 112 source "lib/xz/Kconfig"
 113
 114 #
 115 # These all provide a common interface (hence the apparent duplication with
 116 # ZLIB_INFLATE; DECOMPRESS_GZIP is just a wrapper.)
 117 #
 118 config DECOMPRESS_GZIP
 119         select ZLIB_INFLATE
 120         tristate
 121
 122 config DECOMPRESS_BZIP2
 123         tristate
 124
 125 config DECOMPRESS_LZMA
 126         tristate
 127
 128 config DECOMPRESS_XZ
 129         select XZ_DEC
 130         tristate
 131
 132 config DECOMPRESS_LZO
 133         select LZO_DECOMPRESS
 134         tristate
 135
 136 #
 137 # Generic allocator support is selected if needed
 138 #
 139 config GENERIC_ALLOCATOR
 140         boolean
 141
 142 #
 143 # reed solomon support is select'ed if needed
 144 #
 145 config REED_SOLOMON
 146         tristate
 147
 148 config REED_SOLOMON_ENC8
 149         boolean
 150
 151 config REED_SOLOMON_DEC8
 152         boolean
 153
 154 config REED_SOLOMON_ENC16
 155         boolean
 156
 157 config REED_SOLOMON_DEC16
 158         boolean
 159
 160 #
 161 # Textsearch support is select'ed if needed
 162 #
 163 config TEXTSEARCH
 164         boolean
 165
 166 config TEXTSEARCH_KMP
 167         tristate
 168
 169 config TEXTSEARCH_BM
 170         tristate
 171
 172 config TEXTSEARCH_FSM
 173         tristate
 174
 175 config BTREE
 176         boolean
 177
 178 config HAS_IOMEM
 179         boolean
 180         depends on !NO_IOMEM
 181         default y
 182
 183 config HAS_IOPORT
 184         boolean
 185         depends on HAS_IOMEM && !NO_IOPORT
 186         default y
 187
 188 config HAS_DMA
 189         boolean
 190         depends on !NO_DMA
 191         default y
 192
 193 config CHECK_SIGNATURE
 194         bool
 195
 196 config CPUMASK_OFFSTACK
 197         bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS
 198         help
 199           Use dynamic allocation for cpumask_var_t, instead of putting
 200           them on the stack.  This is a bit more expensive, but avoids
 201           stack overflow.
 202
 203 config DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
 204        bool "Disable obsolete cpumask functions" if DEBUG_PER_CPU_MAPS
 205        depends on EXPERIMENTAL && BROKEN
 206
 207 config CPU_RMAP
 208         bool
 209         depends on SMP
 210
 211 #
 212 # Netlink attribute parsing support is select'ed if needed
 213 #
 214 config NLATTR
 215         bool
 216
 217 #
 218 # Generic 64-bit atomic support is selected if needed
 219 #
 220 config GENERIC_ATOMIC64
 221        bool
 222
 223 config LRU_CACHE
 224         tristate
 225
 226 config AVERAGE
 227         bool "Averaging functions"
 228         help
 229           This option is provided for the case where no in-kernel-tree
 230           modules require averaging functions, but a module built outside
 231           the kernel tree does. Such modules that use library averaging
 232           functions require Y here.
 233
 234           If unsure, say N.
 235
 236 endmenu