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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# Library configuration
3#
4
Lai Jiangshan4370aa42009-03-06 17:21:46 +01005config BINARY_PRINTF
6 def_bool n
7
Linus Torvalds1da177e2005-04-16 15:20:36 -07008menu "Library routines"
9
Akinobu Mitaa5cfc1ec582006-12-08 02:36:25 -080010config BITREVERSE
11 tristate
12
Oskar Schirmer8759ef32009-06-11 14:51:15 +010013config RATIONAL
14 boolean
15
Alexander van Heukelum19870de2008-04-25 13:12:53 +020016config GENERIC_FIND_FIRST_BIT
Jan Beulich9ba16082008-10-15 22:01:38 -070017 bool
Alexander van Heukelum19870de2008-04-25 13:12:53 +020018
19config GENERIC_FIND_NEXT_BIT
Jan Beulich9ba16082008-10-15 22:01:38 -070020 bool
Alexander van Heukelum19870de2008-04-25 13:12:53 +020021
Rusty Russellab53d472009-01-01 10:12:19 +103022config GENERIC_FIND_LAST_BIT
23 bool
24 default y
25
Linus Torvalds1da177e2005-04-16 15:20:36 -070026config 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
Evgeniy Polyakov7657ec12005-08-17 15:17:26 +040034config 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
Martin K. Petersenf11f5942008-06-25 11:22:42 -040042config 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
Ivo van Doorn3e7cbae2006-06-12 16:17:04 +020049config 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070057config CRC32
58 tristate "CRC32 functions"
59 default y
Akinobu Mita906d66d2006-12-08 02:36:25 -080060 select BITREVERSE
Linus Torvalds1da177e2005-04-16 15:20:36 -070061 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
Jan Nikitenkoad241522007-07-17 04:04:03 -070067config 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070075config LIBCRC32C
76 tristate "CRC32c (Castagnoli, et al) Cyclic Redundancy-Check"
Herbert Xu93027352008-11-13 22:05:13 +080077 select CRYPTO
Herbert Xu69c35ef2008-11-07 15:11:47 +080078 select CRYPTO_CRC32C
Linus Torvalds1da177e2005-04-16 15:20:36 -070079 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
Al Viroe65e1fc2006-09-12 03:04:40 -040086config AUDIT_GENERIC
87 bool
88 depends on AUDIT && !AUDIT_ARCH
89 default y
90
Linus Torvalds1da177e2005-04-16 15:20:36 -070091#
92# compression support is select'ed if needed
93#
94config ZLIB_INFLATE
95 tristate
96
97config ZLIB_DEFLATE
98 tristate
99
Richard Purdie64c70b12007-07-10 17:22:24 -0700100config LZO_COMPRESS
101 tristate
102
103config LZO_DECOMPRESS
104 tristate
105
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106#
H. Peter Anvinc8531ab2009-01-05 13:48:31 -0800107# These all provide a common interface (hence the apparent duplication with
108# ZLIB_INFLATE; DECOMPRESS_GZIP is just a wrapper.)
109#
110config DECOMPRESS_GZIP
H. Peter Anvin7856a16e2009-01-07 00:01:43 -0800111 select ZLIB_INFLATE
H. Peter Anvinc8531ab2009-01-05 13:48:31 -0800112 tristate
113
114config DECOMPRESS_BZIP2
115 tristate
116
117config DECOMPRESS_LZMA
118 tristate
119
120#
Jes Sorensenf14f75b2005-06-21 17:15:02 -0700121# Generic allocator support is selected if needed
122#
123config GENERIC_ALLOCATOR
124 boolean
125
126#
Linus Torvalds1da177e2005-04-16 15:20:36 -0700127# 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
David S. Millerf7704342005-06-24 17:39:03 -0700144#
145# Textsearch support is select'ed if needed
146#
Thomas Graf2de4ff72005-06-23 20:49:30 -0700147config TEXTSEARCH
David S. Millerf7704342005-06-24 17:39:03 -0700148 boolean
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149
Thomas Grafdf3fb932005-06-23 20:58:37 -0700150config TEXTSEARCH_KMP
David S. Millerf7704342005-06-24 17:39:03 -0700151 tristate
Thomas Grafdf3fb932005-06-23 20:58:37 -0700152
Pablo Neira Ayuso8082e4e2005-08-25 16:12:22 -0700153config TEXTSEARCH_BM
David S. Miller29cb9f92005-08-25 16:23:11 -0700154 tristate
Pablo Neira Ayuso8082e4e2005-08-25 16:12:22 -0700155
Thomas Graf6408f792005-06-23 20:59:16 -0700156config TEXTSEARCH_FSM
David S. Millerf7704342005-06-24 17:39:03 -0700157 tristate
Thomas Graf6408f792005-06-23 20:59:16 -0700158
Al Viro5ea81762007-02-11 15:41:31 +0000159config HAS_IOMEM
Al Viroee36c2b2006-12-13 00:35:00 -0800160 boolean
Al Viro5ea81762007-02-11 15:41:31 +0000161 depends on !NO_IOMEM
162 default y
163
164config HAS_IOPORT
165 boolean
166 depends on HAS_IOMEM && !NO_IOPORT
Al Viroee36c2b2006-12-13 00:35:00 -0800167 default y
168
Heiko Carstens411f0f32007-05-06 14:49:09 -0700169config HAS_DMA
170 boolean
171 depends on !NO_DMA
172 default y
173
Geert Uytterhoeven928923c2007-08-22 14:01:36 -0700174config CHECK_SIGNATURE
175 bool
176
David S. Millerd9b2b2a2008-02-13 16:56:49 -0800177config HAVE_LMB
178 boolean
179
Rusty Russellaab46da2008-12-13 21:20:27 +1030180config 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
Rusty Russell8c384cd2009-01-01 10:12:30 +1030187config DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
188 bool "Disable obsolete cpumask functions" if DEBUG_PER_CPU_MAPS
189 depends on EXPERIMENTAL && BROKEN
190
Geert Uytterhoevene9cc8bd2009-03-04 14:53:30 +0800191#
192# Netlink attribute parsing support is select'ed if needed
193#
194config NLATTR
195 bool
196
Paul Mackerras09d4e0e2009-06-12 21:10:05 +0000197#
198# Generic 64-bit atomic support is selected if needed
199#
200config GENERIC_ATOMIC64
201 bool
202
Philipp Reisnerb411b362009-09-25 16:07:19 -0700203config LRU_CACHE
204 tristate
205
Thomas Graf2de4ff72005-06-23 20:49:30 -0700206endmenu