add a build system option for collecting all kernel debug information (including...
[openwrt.git] / Config.in
1 # Copyright (C) 2006-2009 OpenWrt.org
2 #
3 # This is free software, licensed under the GNU General Public License v2.
4 # See /LICENSE for more information.
5 #
6
7 mainmenu "OpenWrt Configuration"
8
9 config HAVE_DOT_CONFIG
10 bool
11 default y
12
13 source "target/Config.in"
14
15 menu "Target Images"
16
17 menuconfig TARGET_ROOTFS_INITRAMFS
18 bool "ramdisk"
19 default y if USES_INITRAMFS
20 depends LINUX_2_6
21 help
22 Embed the rootfs into the kernel (initramfs)
23
24 choice
25 prompt "Compression"
26 default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ar71xx
27 default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ramips
28 default TARGET_INITRAMFS_COMPRESSION_NONE
29 depends TARGET_ROOTFS_INITRAMFS
30 depends !LINUX_2_6_25
31 help
32 Select ramdisk compression.
33
34 config TARGET_INITRAMFS_COMPRESSION_NONE
35 bool "none"
36
37 config TARGET_INITRAMFS_COMPRESSION_GZIP
38 bool "gzip"
39
40 config TARGET_INITRAMFS_COMPRESSION_BZIP2
41 bool "bzip2"
42
43 config TARGET_INITRAMFS_COMPRESSION_LZMA
44 bool "lzma"
45
46 config TARGET_INITRAMFS_COMPRESSION_LZO
47 bool "lzo"
48 endchoice
49
50 comment "Root filesystem archives"
51
52 config TARGET_ROOTFS_CPIOGZ
53 bool "cpio.gz"
54 default y if USES_CPIOGZ
55 help
56 Build a compressed cpio archive of the the root filesystem
57
58 config TARGET_ROOTFS_TARGZ
59 bool "tar.gz"
60 default y if USES_TARGZ
61 help
62 Build a compressed tar archive of the the root filesystem
63
64 comment "Root filesystem images"
65
66 config TARGET_ROOTFS_EXT2FS
67 bool "ext2"
68 default y if USES_EXT2
69 depends !TARGET_ROOTFS_INITRAMFS
70 help
71 Ext2 file system with some free space for uml images
72
73 config TARGET_ROOTFS_ISO
74 bool "iso"
75 default n
76 depends TARGET_ROOTFS_INITRAMFS && TARGET_x86
77 help
78 Create some bootable ISO image
79
80 config TARGET_ROOTFS_JFFS2
81 bool "jffs2"
82 default y if USES_JFFS2
83 depends !TARGET_ROOTFS_INITRAMFS
84 help
85 Build a jffs2 root filesystem
86
87 config TARGET_ROOTFS_SQUASHFS
88 bool "squashfs"
89 default y if USES_SQUASHFS
90 depends !TARGET_ROOTFS_INITRAMFS
91 help
92 Build a squashfs-lzma root filesystem
93
94 config TARGET_ROOTFS_UBIFS
95 bool "ubifs"
96 default y if USES_UBIFS
97 depends !TARGET_ROOTFS_INITRAMFS && USES_UBIFS
98 help
99 Build a ubifs root filesystem
100
101 comment "Image Options"
102
103 source "target/linux/*/image/Config.in"
104
105 config TARGET_ROOTFS_PARTSIZE
106 int "Root filesystem partition size (in MB)"
107 depends X86_GRUB_IMAGES || TARGET_ROOTFS_EXT2FS || TARGET_rb532
108 default 48
109 help
110 Allows you to change the root filesystem partition size
111
112 config TARGET_ROOTFS_MAXINODE
113 int "Maximum number of inodes in root filesystem"
114 depends TARGET_ROOTFS_EXT2FS
115 default 6000
116 help
117 Allows you to change the maximum number of inodes in the root filesystem
118
119 endmenu
120
121 menu "Global build settings"
122
123 config ALL
124 bool "Select all packages by default"
125 default n
126
127 comment "General build options"
128
129 config BUILD_PATENTED
130 default y
131 bool "Compile with support for patented functionality"
132 help
133 When this option is disabled, software which provides patented functionality will not be built.
134 In case software provides optional support for patented functionality,
135 this optional support will get disabled for this package.
136
137 config LARGEFILE
138 bool
139 prompt "Enable large file (files > 2 GB) support"
140 default y
141 help
142 Enable large file (files > 2 GB) support.
143
144 config SHADOW_PASSWORDS
145 bool
146 prompt "Enable shadow password support"
147 default y
148 help
149 Enable shadow password support.
150
151 config CLEAN_IPKG
152 bool
153 prompt "Remove ipkg/opkg status data files in final images"
154 default n
155 help
156 This removes all ipkg/opkg status data files from the target directory before building the root fs
157
158 config COLLECT_KERNEL_DEBUG
159 bool
160 prompt "Colllect kernel debug information"
161 select KERNEL_DEBUG_INFO
162 default n
163 help
164 This collects debugging symbols from the kernel and all compiled modules.
165 Useful for release builds, so that kernel issues can be debugged offline later.
166
167 comment "Kernel build options"
168
169 config KERNEL_DEBUG_FS
170 bool "Compile the kernel with Debug FileSystem enabled"
171 default y
172 depends LINUX_2_6
173 help
174 debugfs is a virtual file system that kernel developers use to put
175 debugging files into. Enable this option to be able to read and
176 write to these files.
177
178 config KERNEL_PROFILING
179 bool "Compile the kernel with profiling enabled"
180 default n
181 help
182 Enable the extended profiling support mechanisms used by profilers such
183 as OProfile.
184
185 config KERNEL_KALLSYMS
186 bool "Compile the kernel with symbol table information"
187 default n
188 help
189 This will give you more information in stack traces from kernel oopses
190
191 config KERNEL_DEBUG_KERNEL
192 bool
193 default n
194
195 config KERNEL_DEBUG_INFO
196 bool "Compile the kernel with debug information"
197 default n
198 select KERNEL_DEBUG_KERNEL
199 help
200 This will compile your kernel and modules with debug information.
201
202 comment "Package build options"
203
204 config DEBUG
205 bool
206 prompt "Compile packages with debugging info"
207 default n
208 help
209 Adds -g3 to the CFLAGS
210
211 config IPV6
212 bool
213 prompt "Enable IPv6 support in packages"
214 default y
215 help
216 Enable IPV6 support in packages (passes --enable-ipv6 to configure scripts).
217
218 comment "Stripping options"
219
220 choice
221 prompt "Binary stripping method"
222 default USE_STRIP if EXTERNAL_TOOLCHAIN
223 default USE_STRIP if USE_GLIBC || USE_EGLIBC
224 default USE_SSTRIP
225 help
226 Select the binary stripping method you wish to use.
227
228 config NO_STRIP
229 bool "none"
230 help
231 This will install unstripped binaries (useful for native compiling/debugging)
232
233 config USE_STRIP
234 bool "strip"
235 help
236 This will install binaries stripped using strip from binutils
237
238
239 config USE_SSTRIP
240 bool "sstrip"
241 depends !DEBUG
242 depends !USE_GLIBC
243 depends !USE_EGLIBC
244 help
245 This will install binaries stripped using sstrip
246 endchoice
247
248 config STRIP_ARGS
249 string
250 prompt "Strip arguments"
251 depends USE_STRIP
252 default "--strip-unneeded --remove-section=.comment --remove-section=.note" if DEBUG
253 default "--strip-all"
254 help
255 Specifies arguments passed to the strip command when stripping binaries
256
257 config STRIP_KERNEL_EXPORTS
258 depends LINUX_2_6
259 bool "Strip unnecessary exports from the kernel image"
260 help
261 Reduces kernel size by stripping unused kernel exports from the kernel image
262 Note that this might make the kernel incompatible with any kernel modules that
263 were not selected at the time the kernel image was created
264
265 config USE_MKLIBS
266 bool "Strip unnecessary functions from libraries"
267 help
268 Reduces libraries to only those functions that are necessary for using all
269 selected packages (including those selected as <M>)
270 Note that this will make the system libraries incompatible with most of the packages
271 that are not selected during the build process
272
273 endmenu
274
275 menuconfig DEVEL
276 bool "Advanced configuration options (for developers)"
277 default n
278
279 config BROKEN
280 bool "Show broken platforms / packages" if DEVEL
281 default n
282
283 config DOWNLOAD_FOLDER
284 string "Download folder" if DEVEL
285 default ""
286
287 config LOCALMIRROR
288 string "Local mirror for source packages" if DEVEL
289 default ""
290
291 config AUTOREBUILD
292 bool "Automatic rebuild of packages" if DEVEL
293 default y
294 help
295 Automatically rebuild packages when their files change
296
297 config BUILD_SUFFIX
298 string "Build suffix to append to the BUILD_DIR variable" if DEVEL
299 default ""
300 help
301 Build suffix to append to the BUILD_DIR variable, i.e: build_dir_suffix
302
303 config TARGET_ROOTFS_DIR
304 string "Override the default TARGET_ROOTFS_DIR variable" if DEVEL
305 default ""
306 help
307 Override the default TARGET_ROOTFS_DIR variable content $(BUILD_DIR) with custom path.
308 Use this option to re-define the location of the target root file system directory.
309
310 config CCACHE
311 bool "Use ccache" if DEVEL
312 default n
313 help
314 Compiler cache; see http://ccache.samba.org/
315
316 config EXTERNAL_KERNEL_TREE
317 string "Use external kernel tree" if DEVEL
318 default ""
319
320 config KERNEL_GIT_CLONE_URI
321 string "Enter git repository to clone" if DEVEL
322 default ""
323 help
324 Enter the full git repository path i.e.:
325 git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
326 This will create a git clone of the kernel in your build
327 directory.
328
329 config KERNEL_GIT_LOCAL_REPOSITORY
330 string "Enter path to local reference repository" if DEVEL
331 default ""
332 help
333 Enter a full pathname to a local reference git repository.
334 In this instance, the --refererence option of git clone will
335 be used thus creating a quick local clone of your repo.
336
337 menuconfig TARGET_OPTIONS
338 bool "Target Options" if DEVEL
339
340 config TARGET_OPTIMIZATION
341 string "Target Optimizations" if TARGET_OPTIONS
342 default DEFAULT_TARGET_OPTIMIZATION
343 help
344 Optimizations to use when building for the target host.
345
346 config SOFT_FLOAT
347 bool "Use software floating point by default" if TARGET_OPTIONS
348 default y
349 depends on (arm || armeb || powerpc || mipsel || mips) && !HAS_FPU
350 help
351 If your target CPU does not have a Floating Point Unit (FPU) or a
352 kernel FPU emulator, but you still wish to support floating point
353 functions, then everything will need to be compiled with soft floating
354 point support (-msoft-float).
355
356 Most people will answer N.
357
358 source "toolchain/Config.in"
359
360 source "target/imagebuilder/Config.in"
361 source "target/sdk/Config.in"
362 source "target/toolchain/Config.in"
363
364 source "tmp/.config-package.in"
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