LXR linux/lib/Kconfig

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