kmod: really pass --disable-manpages
[buildroot-mgba.git] / Config.in
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1#
2
6a53b729 3mainmenu "Buildroot $BR2_VERSION Configuration"
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4
5config BR2_HAVE_DOT_CONFIG
6 bool
7 default y
8
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9config BR2_VERSION
10 string
56c68bcd 11 option env="BR2_VERSION_FULL"
f5b8cd4a 12
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13config BR2_HOSTARCH
14 string
15 option env="HOSTARCH"
16
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17config BR2_EXTERNAL
18 string
19 option env="BR2_EXTERNAL"
20
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21# Hidden boolean selected by pre-built packages for x86, when they
22# need to run on x86-64 machines (example: pre-built external
23# toolchains, binary tools like SAM-BA, etc.).
24config BR2_HOSTARCH_NEEDS_IA32_LIBS
25 bool
26
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27# Hidden boolean selected by packages that need to build 32 bits
28# binaries with the host compiler, even on 64 bits build machines (e.g
29# bootloaders).
30config BR2_HOSTARCH_NEEDS_IA32_COMPILER
31 bool
32
79ee3c1f 33source "arch/Config.in"
7d8a59b4 34
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35menu "Build options"
36
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37menu "Commands"
38
2d523c23 39config BR2_WGET
8e5fb3fb 40 string "Wget command"
6871b165 41 default "wget --passive-ftp -nd -t 3"
2d523c23 42
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43config BR2_SVN
44 string "Subversion (svn) command"
45 default "svn"
e30cf26c 46
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47config BR2_BZR
48 string "Bazaar (bzr) command"
49 default "bzr"
df03cdaf 50
85f54fbe 51config BR2_GIT
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52 string "Git command"
53 default "git"
85f54fbe 54
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55config BR2_CVS
56 string "CVS command"
57 default "cvs"
58
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59config BR2_LOCALFILES
60 string "Local files retrieval command"
61 default "cp"
62
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63config BR2_SCP
64 string "Secure copy (scp) command"
65 default "scp"
66
67config BR2_SSH
68 string "Secure shell (ssh) command"
69 default "ssh"
70
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71config BR2_HG
72 string "Mercurial (hg) command"
73 default "hg"
74
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75config BR2_ZCAT
76 string "zcat command"
a9612bfd 77 default "gzip -d -c"
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78 help
79 Command to be used to extract a gzip'ed file to stdout.
80 zcat is identical to gunzip -c except that the former may
81 not be available on your system.
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82 Default is "gzip -d -c"
83 Other possible values include "gunzip -c" or "zcat".
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84
85config BR2_BZCAT
86 string "bzcat command"
87 default "bzcat"
88 help
89 Command to be used to extract a bzip2'ed file to stdout.
90 bzcat is identical to bunzip2 -c except that the former may
91 not be available on your system.
92 Default is "bzcat"
93 Other possible values include "bunzip2 -c" or "bzip2 -d -c".
859b9137 94
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95config BR2_XZCAT
96 string "xzcat command"
97 default "xzcat"
98 help
99 Command to be used to extract a xz'ed file to stdout.
100 Default is "xzcat"
101
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102config BR2_TAR_OPTIONS
103 string "Tar options"
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104 default ""
105 help
106 Options to pass to tar when extracting the sources.
107 E.g. " -v --exclude='*.svn*'" to exclude all .svn internal files
108 and to be verbose.
ce90aae1 109
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110endmenu
111
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112config BR2_DEFCONFIG_FROM_ENV
113 string
114 option env="BR2_DEFCONFIG"
115
116config BR2_DEFCONFIG
117 string "Location to save buildroot config"
118 default BR2_DEFCONFIG_FROM_ENV if BR2_DEFCONFIG_FROM_ENV != ""
119 default "$(CONFIG_DIR)/defconfig"
120 help
121 When running 'make savedefconfig', the defconfig file will be saved
122 in this location.
123
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124config BR2_DL_DIR
125 string "Download dir"
be695dcc 126 default "$(TOPDIR)/dl"
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127 help
128 Directory to store all the source files that we need to fetch.
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129 If the Linux shell environment has defined the BUILDROOT_DL_DIR
130 environment variable, then this overrides this configuration item.
59a63a91 131
be695dcc 132 The default is $(TOPDIR)/dl
4b0d5a80 133
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134config BR2_HOST_DIR
135 string "Host dir"
136 default "$(BASE_DIR)/host"
137 help
138 Directory to store all the binary files that are built for the host.
139 This includes the cross compilation toolchain when building the
140 internal buildroot toolchain.
141
142 The default is $(BASE_DIR)/host
143
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144menu "Mirrors and Download locations"
145
146config BR2_PRIMARY_SITE
147 string "Primary download site"
148 default ""
149 help
150 Primary site to download from. If this option is set then buildroot
151 will try to download package source first from this site and try the
152 default if the file is not found.
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153 Valid URIs are URIs recognized by $(WGET) and scp URIs of the form
154 scp://[user@]host:path.
155 NOTE: This works for all packages using the central package
156 infrastructure (generic, autotools, cmake, ...)
8008007c 157
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158config BR2_PRIMARY_SITE_ONLY
159 bool "Only allow downloads from primary download site"
160 depends on BR2_PRIMARY_SITE != ""
161 help
162 If this option is enabled, downloads will only be attempted
163 from the primary download site. Other locations, like the
164 package's official download location or the backup download
165 site, will not be considered. Therefore, if the package is
166 not present on the primary site, the download fails.
167
168 This is useful for project developers who want to ensure
169 that the project can be built even if the upstream tarball
170 locations disappear.
171
172if !BR2_PRIMARY_SITE_ONLY
173
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174config BR2_BACKUP_SITE
175 string "Backup download site"
176 default "http://sources.buildroot.net/"
177 help
178 Backup site to download from. If this option is set then buildroot
179 will fall back to download package sources from here if the
180 normal location fails.
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181
182config BR2_KERNEL_MIRROR
183 string "Kernel.org mirror"
184 default "http://www.kernel.org/pub/"
185 help
186 kernel.org is mirrored on a number of servers around the world.
187 The following allows you to select your preferred mirror.
188
189 Have a look on the kernel.org site for a list of mirrors, then enter
190 the URL to the base directory. Examples:
191
192 http://www.XX.kernel.org/pub (XX = country code)
193 http://mirror.aarnet.edu.au/pub/ftp.kernel.org
194
195config BR2_GNU_MIRROR
196 string "GNU Software mirror"
197 default "http://ftp.gnu.org/pub/gnu"
198 help
199 GNU has multiple software mirrors scattered around the world.
200 The following allows you to select your preferred mirror.
201
202 Have a look on the gnu.org site for a list of mirrors, then enter
203 the URL to the base directory. Examples:
204
205 http://ftp.gnu.org/pub/gnu
206 http://mirror.aarnet.edu.au/pub/gnu
207
208config BR2_DEBIAN_MIRROR
209 string "Debian Software mirror"
210 default "http://ftp.debian.org"
211 help
212 Debian has multiple software mirrors scattered around the world.
213 The following allows you to select your preferred mirror.
214
215 Usually, just add your country code like XX here:
216 http://ftp.XX.debian.org
217
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218endif
219
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220config BR2_LUAROCKS_MIRROR
221 string "LuaRocks mirror"
222 default "http://luarocks.org/repositories/rocks"
223 help
224 LuaRocks repository.
225
226 See http://luarocks.org
227
8008007c 228endmenu
aa41d377 229
8e5fb3fb 230config BR2_JLEVEL
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231 int "Number of jobs to run simultaneously (0 for auto)"
232 default "0"
8e5fb3fb 233 help
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234 Number of jobs to run simultaneously. If 0, determine
235 automatically according to number of CPUs on the host
236 system.
93ab6d30 237
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238config BR2_CCACHE
239 bool "Enable compiler cache"
240 help
241 This option will enable the use of ccache, a compiler
242 cache. It will cache the result of previous builds to speed
243 up future builds. The cache is stored in
244 $HOME/.buildroot-ccache.
245
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246 Note that Buildroot does not try to invalidate the cache
247 contents when the compiler changes in an incompatible
248 way. Therefore, if you make a change to the compiler version
249 and/or configuration, you are responsible for purging the
250 ccache cache by removing the $HOME/.buildroot-ccache
251 directory.
252
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253config BR2_CCACHE_DIR
254 string "Compiler cache location"
255 depends on BR2_CCACHE
256 default "$(HOME)/.buildroot-ccache"
257 help
258 Where ccache should store cached files.
259
7779fd74 260config BR2_DEPRECATED
5e1f034b 261 bool "Show packages that are deprecated or obsolete"
7779fd74 262 help
5e1f034b 263 This option hides outdated/obsolete versions of packages.
ba7c48f3 264
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265if BR2_DEPRECATED
266
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267config BR2_DEPRECATED_SINCE_2013_05
268 bool
269 default y
270
271config BR2_DEPRECATED_SINCE_2013_08
272 bool
273 default y
274
275config BR2_DEPRECATED_SINCE_2013_11
276 bool
277 default y
278
279config BR2_DEPRECATED_SINCE_2014_02
280 bool
281 default y
282
283endif
284
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285config BR2_ENABLE_DEBUG
286 bool "build packages with debugging symbols"
41f6b79f 287 help
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288 Build packages with debugging symbols enabled. All libraries
289 and binaries in the 'staging' directory will have debugging
290 symbols, which allows remote debugging even if libraries and
291 binaries are stripped on the target. Whether libraries and
292 binaries are stripped on the target is controlled by the
293 BR2_STRIP_* options below.
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294
295if BR2_ENABLE_DEBUG
296choice
297 prompt "gcc debug level"
298 default BR2_DEBUG_2
299 help
300 Set the debug level for gcc
301
302config BR2_DEBUG_1
303 bool "debug level 1"
304 help
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305 Debug level 1 produces minimal information, enough
306 for making backtraces in parts of the program that
307 you don't plan to debug. This includes descriptions
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308 of functions and external variables, but no information
309 about local variables and no line numbers.
310
311config BR2_DEBUG_2
312 bool "debug level 2"
313 help
314 The default gcc debug level is 2
315
316config BR2_DEBUG_3
317 bool "debug level 3"
318 help
02a623dd 319 Level 3 includes extra information, such as all the
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320 macro definitions present in the program. Some debuggers
321 support macro expansion when you use -g3.
322endchoice
323endif
324
bbd251a0 325choice
a9a34676 326 prompt "strip command for binaries on target"
bbd251a0 327 default BR2_STRIP_strip
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328
329config BR2_STRIP_strip
330 bool "strip"
9f2bf30e 331 depends on !BR2_PACKAGE_HOST_ELF2FLT
bbd251a0 332 help
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333 Binaries and libraries in the target filesystem will be
334 stripped using the normal 'strip' command. This allows to
335 save space, mainly by removing debugging symbols. Debugging
336 symbols on the target are needed for native debugging, but
337 not when remote debugging is used.
85f54fbe 338
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339config BR2_STRIP_sstrip
340 bool "sstrip"
341 select BR2_PACKAGE_SSTRIP_HOST
9f2bf30e 342 depends on !BR2_PACKAGE_HOST_ELF2FLT
bbd251a0 343 help
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344 Binaries and libraries in the target filesystem will be
345 stripped using the 'sstrip' command, which strips a little
346 bit more than the traditional 'strip' command. This allows to
347 save space, mainly by removing debugging symbols. Debugging
348 symbols on the target are needed for native debugging, but
349 not when remote debugging is used.
85f54fbe 350
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351config BR2_STRIP_none
352 bool "none"
353 help
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354 Do not strip binaries and libraries in the target
355 filesystem.
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356endchoice
357
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358config BR2_STRIP_EXCLUDE_FILES
359 string "executables that should not be stripped"
360 depends on !BR2_STRIP_none
361 default ""
362 help
363 You may specify a space-separated list of binaries and libraries
364 here that should not be stripped on the target.
365
366config BR2_STRIP_EXCLUDE_DIRS
367 string "directories that should be skipped when stripping"
368 depends on !BR2_STRIP_none
369 default ""
370 help
371 You may specify a space-separated list of directories that should
372 be skipped when stripping. Binaries and libraries in these
373 directories will not be touched.
374 The directories should be specified relative to the target directory,
375 without leading slash.
376
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377choice
378 prompt "gcc optimization level"
7eb796ba 379 default BR2_OPTIMIZE_S
923f42a3 380 help
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381 Set the optimization level for gcc
382
383config BR2_OPTIMIZE_0
384 bool "optimization level 0"
385 help
02a623dd 386 Do not optimize. This is the default.
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387
388config BR2_OPTIMIZE_1
389 bool "optimization level 1"
390 help
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391 Optimize. Optimizing compilation takes somewhat more time,
392 and a lot more memory for a large function. With -O, the
393 compiler tries to reduce code size and execution time,
394 without performing any optimizations that take a great deal
395 of compilation time. -O turns on the following optimization
396 flags: -fdefer-pop -fdelayed-branch -fguess-branch-probability
397 -fcprop-registers -floop-optimize -fif-conversion
398 -fif-conversion2 -ftree-ccp -ftree-dce -ftree-dominator-opts
399 -ftree-dse -ftree-ter -ftree-lrs -ftree-sra -ftree-copyrename
41f6b79f 400 -ftree-fre -ftree-ch -funit-at-a-time -fmerge-constants
02a623dd 401 -O also turns on -fomit-frame-pointer on machines where doing
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402 so does not interfere with debugging.
403
404config BR2_OPTIMIZE_2
405 bool "optimization level 2"
406 help
407 Optimize even more. GCC performs nearly all supported optimizations
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408 that do not involve a space-speed tradeoff. The compiler does not
409 perform loop unrolling or function inlining when you specify -O2.
410 As compared to -O, this option increases both compilation time and
411 the performance of the generated code. -O2 turns on all optimization
412 flags specified by -O. It also turns on the following optimization
413 flags: -fthread-jumps -fcrossjumping -foptimize-sibling-calls
414 -fcse-follow-jumps -fcse-skip-blocks -fgcse -fgcse-lm
415 -fexpensive-optimizations -fstrength-reduce -frerun-cse-after-loop
416 -frerun-loop-opt -fcaller-saves -fpeephole2 -fschedule-insns
417 -fschedule-insns2 -fsched-interblock -fsched-spec -fregmove
418 -fstrict-aliasing -fdelete-null-pointer-checks -freorder-blocks
419 -freorder-functions -falign-functions -falign-jumps -falign-loops
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420 -falign-labels -ftree-vrp -ftree-pre
421 Please note the warning under -fgcse about invoking -O2 on programs
422 that use computed gotos.
423
424config BR2_OPTIMIZE_3
425 bool "optimization level 3"
426 help
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427 Optimize yet more. -O3 turns on all optimizations specified by -O2
428 and also turns on the -finline-functions, -funswitch-loops and
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429 -fgcse-after-reload options.
430
431config BR2_OPTIMIZE_S
432 bool "optimize for size"
433 help
02a623dd 434 Optimize for size. -Os enables all -O2 optimizations that do not
41f6b79f 435 typically increase code size. It also performs further optimizations
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436 designed to reduce code size. -Os disables the following optimization
437 flags: -falign-functions -falign-jumps -falign-loops -falign-labels
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438 -freorder-blocks -freorder-blocks-and-partition -fprefetch-loop-arrays
439 -ftree-vect-loop-version
02a623dd 440
41f6b79f 441endchoice
923f42a3 442
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443config BR2_ENABLE_SSP
444 bool "build code with Stack Smashing Protection"
445 depends on BR2_TOOLCHAIN_HAS_SSP
446 help
447 Enable stack smashing protection support using GCCs
448 -fstack-protector-all option.
449
450 See http://www.linuxfromscratch.org/hints/downloads/files/ssp.txt
bed4e278 451 for details.
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452
453 Note that this requires the toolchain to have SSP
454 support. This is always the case for glibc and eglibc
455 toolchain, but is optional in uClibc toolchains.
456
457comment "enabling Stack Smashing Protection requires support in the toolchain"
458 depends on !BR2_TOOLCHAIN_HAS_SSP
459
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460config BR2_PREFER_STATIC_LIB
461 bool "prefer static libraries"
3096f34d 462 help
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463 Where possible, build and use static libraries for the target.
464 This potentially increases your code size and should only be
465 used if you know what you do.
466 The default is to build dynamic libraries and use those on
467 the target filesystem.
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468
469 WARNING: This is highly experimental at the moment.
470
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471config BR2_PACKAGE_OVERRIDE_FILE
472 string "location of a package override file"
473 default "$(TOPDIR)/local.mk"
474 help
475 A package override file is a short makefile that contains
476 variable definitions of the form <pkg>_OVERRIDE_SRCDIR,
477 which allows to tell Buildroot to use an existing directory
478 as the source directory for a particular package. See the
479 Buildroot documentation for more details on this feature.
480
5538e476 481config BR2_GLOBAL_PATCH_DIR
bc4f79d6 482 string "global patch directories"
5538e476 483 help
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484 You may specify a space separated list of one or more directories
485 containing global package patches. For a specific version
486 <packageversion> of a specific package <packagename>, patches are
487 applied as follows:
5538e476 488
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489 First, the default Buildroot patch set for the package is applied
490 from the package's directory in Buildroot.
5538e476 491
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492 Then for every directory - <global-patch-dir> - that exists in
493 BR2_GLOBAL_PATCH_DIR, if the directory
494 <global-patch-dir>/<packagename>/<packageversion>/ exists, then all
495 *.patch files in this directory will be applied.
5538e476 496
bc4f79d6 497 Otherwise, if the directory <global-patch-dir>/<packagename> exists,
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498 then all *.patch files in the directory will be applied.
499
8e5fb3fb 500endmenu
2d523c23 501
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502source "toolchain/Config.in"
503
6c3e3ad4 504source "system/Config.in"
beb43c7d 505
24403857 506source "linux/Config.in"
50100394 507
24403857 508source "package/Config.in"
d06e8022 509
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510source "fs/Config.in"
511
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512source "boot/Config.in"
513
24403857 514source "package/Config.in.host"
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515
516source "Config.in.legacy"
8eb8aaf9 517
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518menu "User-provided options"
519 depends on BR2_EXTERNAL != "support/dummy-external"
520
8eb8aaf9 521source "$BR2_EXTERNAL/Config.in"
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522
523endmenu
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