add a build system option for collecting all kernel debug information (including...
[oweals/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"