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2d523c23 EA |
1 | # |
2 | ||
3 | mainmenu "Buildroot2 Configuration" | |
4 | ||
5 | config BR2_HAVE_DOT_CONFIG | |
6 | bool | |
7 | default y | |
8 | ||
f5b8cd4a BRF |
9 | config BR2_VERSION |
10 | string | |
dc5e22ee | 11 | default "2010.08-git" |
f5b8cd4a | 12 | |
bb9e6a7d | 13 | source "target/Config.in.arch" |
4b0d5a80 | 14 | source "target/device/Config.in" |
7d8a59b4 | 15 | |
8e5fb3fb EA |
16 | menu "Build options" |
17 | ||
15929265 TP |
18 | menu "Commands" |
19 | ||
2d523c23 | 20 | config BR2_WGET |
8e5fb3fb | 21 | string "Wget command" |
fb1c67c1 | 22 | default "wget --passive-ftp -nd" |
2d523c23 | 23 | |
c76e2a97 | 24 | config BR2_SVN_CO |
85f54fbe | 25 | string "Subversion (svn) command to download source tree" |
229a7784 | 26 | default "svn co" |
e30cf26c | 27 | |
c76e2a97 BRF |
28 | config BR2_SVN_UP |
29 | string "Subversion (svn) command to update source tree" | |
30 | default "svn up" | |
31 | ||
df03cdaf SN |
32 | config BR2_BZR_CO |
33 | string "Bazaar (bzr) command to download source tree" | |
34 | default "bzr co" | |
35 | ||
36 | config BR2_BZR_UP | |
37 | string "Bazaar (bzr) command to update source tree" | |
38 | default "bzr up" | |
39 | ||
85f54fbe US |
40 | config BR2_GIT |
41 | string "Git command to download source tree" | |
42 | default "git clone" | |
43 | ||
859b9137 BRF |
44 | config BR2_ZCAT |
45 | string "zcat command" | |
a9612bfd | 46 | default "gzip -d -c" |
859b9137 BRF |
47 | help |
48 | Command to be used to extract a gzip'ed file to stdout. | |
49 | zcat is identical to gunzip -c except that the former may | |
50 | not be available on your system. | |
a9612bfd BRF |
51 | Default is "gzip -d -c" |
52 | Other possible values include "gunzip -c" or "zcat". | |
6e2823c1 BRF |
53 | |
54 | config BR2_BZCAT | |
55 | string "bzcat command" | |
56 | default "bzcat" | |
57 | help | |
58 | Command to be used to extract a bzip2'ed file to stdout. | |
59 | bzcat is identical to bunzip2 -c except that the former may | |
60 | not be available on your system. | |
61 | Default is "bzcat" | |
62 | Other possible values include "bunzip2 -c" or "bzip2 -d -c". | |
859b9137 | 63 | |
ce90aae1 BRF |
64 | config BR2_TAR_OPTIONS |
65 | string "Tar options" | |
7df4de6c BRF |
66 | default "" |
67 | help | |
68 | Options to pass to tar when extracting the sources. | |
69 | E.g. " -v --exclude='*.svn*'" to exclude all .svn internal files | |
70 | and to be verbose. | |
ce90aae1 | 71 | |
15929265 TP |
72 | endmenu |
73 | ||
59a63a91 MF |
74 | config BR2_DL_DIR |
75 | string "Download dir" | |
be695dcc | 76 | default "$(TOPDIR)/dl" |
59a63a91 MF |
77 | help |
78 | Directory to store all the source files that we need to fetch. | |
67050e14 US |
79 | If the Linux shell environment has defined the BUILDROOT_DL_DIR |
80 | environment variable, then this overrides this configuration item. | |
59a63a91 | 81 | |
be695dcc | 82 | The default is $(TOPDIR)/dl |
4b0d5a80 | 83 | |
ba7c48f3 EA |
84 | config BR2_STAGING_DIR |
85 | string "Toolchain and header file location?" | |
3b2a803d | 86 | default "$(BASE_DIR)/staging" |
ba7c48f3 | 87 | help |
93ab6d30 BRF |
88 | This is the location where the toolchain will be installed. The |
89 | toolchain will not work if it is moved from this location. | |
90 | Therefore, if you wish to package up a uClibc toolchain, it is | |
91 | important that is is set to the final location where the toolchain | |
92 | will be used. | |
ba7c48f3 | 93 | |
93ab6d30 | 94 | Most people will leave this set to the default value of |
3b2a803d | 95 | "$(BASE_DIR)/staging". |
ba7c48f3 | 96 | |
aa41d377 TP |
97 | source "target/device/Config.in.mirrors" |
98 | ||
8e5fb3fb EA |
99 | config BR2_JLEVEL |
100 | int "Number of jobs to run simultaneously" | |
2bbbe05b | 101 | default "2" |
8e5fb3fb | 102 | help |
93ab6d30 BRF |
103 | Number of jobs to run simultaneously |
104 | ||
7779fd74 | 105 | config BR2_DEPRECATED |
5e1f034b | 106 | bool "Show packages that are deprecated or obsolete" |
7779fd74 | 107 | help |
5e1f034b | 108 | This option hides outdated/obsolete versions of packages. |
ba7c48f3 | 109 | |
41f6b79f JV |
110 | config BR2_ENABLE_DEBUG |
111 | bool "build packages with debugging symbols" | |
809fa27a | 112 | select BR2_PACKAGE_GDB_SERVER |
41f6b79f JV |
113 | help |
114 | Build packages with debugging symbols | |
115 | enabled | |
116 | ||
117 | if BR2_ENABLE_DEBUG | |
118 | choice | |
119 | prompt "gcc debug level" | |
120 | default BR2_DEBUG_2 | |
121 | help | |
122 | Set the debug level for gcc | |
123 | ||
124 | config BR2_DEBUG_1 | |
125 | bool "debug level 1" | |
126 | help | |
02a623dd PK |
127 | Debug level 1 produces minimal information, enough |
128 | for making backtraces in parts of the program that | |
129 | you don't plan to debug. This includes descriptions | |
41f6b79f JV |
130 | of functions and external variables, but no information |
131 | about local variables and no line numbers. | |
132 | ||
133 | config BR2_DEBUG_2 | |
134 | bool "debug level 2" | |
135 | help | |
136 | The default gcc debug level is 2 | |
137 | ||
138 | config BR2_DEBUG_3 | |
139 | bool "debug level 3" | |
140 | help | |
02a623dd | 141 | Level 3 includes extra information, such as all the |
41f6b79f JV |
142 | macro definitions present in the program. Some debuggers |
143 | support macro expansion when you use -g3. | |
144 | endchoice | |
145 | endif | |
146 | ||
bbd251a0 BRF |
147 | choice |
148 | prompt "strip" | |
149 | default BR2_STRIP_strip | |
150 | help | |
151 | Select whether to strip binaries and libraries for the target | |
152 | or not. | |
153 | strip is the normal strip command | |
154 | sstrip is a strip that discards more than the normal strip | |
155 | none do not strip (only for debugging!) | |
156 | ||
157 | config BR2_STRIP_strip | |
158 | bool "strip" | |
b99fffde | 159 | depends on !BR2_ENABLE_DEBUG && !BR2_ELF2FLT |
bbd251a0 BRF |
160 | help |
161 | strip is the normal strip command | |
85f54fbe | 162 | |
bbd251a0 BRF |
163 | config BR2_STRIP_sstrip |
164 | bool "sstrip" | |
165 | select BR2_PACKAGE_SSTRIP_HOST | |
378f8993 | 166 | depends on !BR2_ENABLE_DEBUG && !BR2_ELF2FLT |
bbd251a0 BRF |
167 | help |
168 | sstrip is a strip that discards more than the normal strip | |
85f54fbe | 169 | |
bbd251a0 BRF |
170 | config BR2_STRIP_none |
171 | bool "none" | |
172 | help | |
173 | none do not strip (only for debugging!) | |
174 | endchoice | |
175 | ||
41f6b79f JV |
176 | choice |
177 | prompt "gcc optimization level" | |
7eb796ba | 178 | default BR2_OPTIMIZE_S |
923f42a3 | 179 | help |
41f6b79f JV |
180 | Set the optimization level for gcc |
181 | ||
182 | config BR2_OPTIMIZE_0 | |
183 | bool "optimization level 0" | |
184 | help | |
02a623dd | 185 | Do not optimize. This is the default. |
41f6b79f JV |
186 | |
187 | config BR2_OPTIMIZE_1 | |
188 | bool "optimization level 1" | |
189 | help | |
02a623dd PK |
190 | Optimize. Optimizing compilation takes somewhat more time, |
191 | and a lot more memory for a large function. With -O, the | |
192 | compiler tries to reduce code size and execution time, | |
193 | without performing any optimizations that take a great deal | |
194 | of compilation time. -O turns on the following optimization | |
195 | flags: -fdefer-pop -fdelayed-branch -fguess-branch-probability | |
196 | -fcprop-registers -floop-optimize -fif-conversion | |
197 | -fif-conversion2 -ftree-ccp -ftree-dce -ftree-dominator-opts | |
198 | -ftree-dse -ftree-ter -ftree-lrs -ftree-sra -ftree-copyrename | |
41f6b79f | 199 | -ftree-fre -ftree-ch -funit-at-a-time -fmerge-constants |
02a623dd | 200 | -O also turns on -fomit-frame-pointer on machines where doing |
41f6b79f JV |
201 | so does not interfere with debugging. |
202 | ||
203 | config BR2_OPTIMIZE_2 | |
204 | bool "optimization level 2" | |
205 | help | |
206 | Optimize even more. GCC performs nearly all supported optimizations | |
02a623dd PK |
207 | that do not involve a space-speed tradeoff. The compiler does not |
208 | perform loop unrolling or function inlining when you specify -O2. | |
209 | As compared to -O, this option increases both compilation time and | |
210 | the performance of the generated code. -O2 turns on all optimization | |
211 | flags specified by -O. It also turns on the following optimization | |
212 | flags: -fthread-jumps -fcrossjumping -foptimize-sibling-calls | |
213 | -fcse-follow-jumps -fcse-skip-blocks -fgcse -fgcse-lm | |
214 | -fexpensive-optimizations -fstrength-reduce -frerun-cse-after-loop | |
215 | -frerun-loop-opt -fcaller-saves -fpeephole2 -fschedule-insns | |
216 | -fschedule-insns2 -fsched-interblock -fsched-spec -fregmove | |
217 | -fstrict-aliasing -fdelete-null-pointer-checks -freorder-blocks | |
218 | -freorder-functions -falign-functions -falign-jumps -falign-loops | |
41f6b79f JV |
219 | -falign-labels -ftree-vrp -ftree-pre |
220 | Please note the warning under -fgcse about invoking -O2 on programs | |
221 | that use computed gotos. | |
222 | ||
223 | config BR2_OPTIMIZE_3 | |
224 | bool "optimization level 3" | |
225 | help | |
02a623dd PK |
226 | Optimize yet more. -O3 turns on all optimizations specified by -O2 |
227 | and also turns on the -finline-functions, -funswitch-loops and | |
41f6b79f JV |
228 | -fgcse-after-reload options. |
229 | ||
230 | config BR2_OPTIMIZE_S | |
231 | bool "optimize for size" | |
232 | help | |
02a623dd | 233 | Optimize for size. -Os enables all -O2 optimizations that do not |
41f6b79f | 234 | typically increase code size. It also performs further optimizations |
02a623dd PK |
235 | designed to reduce code size. -Os disables the following optimization |
236 | flags: -falign-functions -falign-jumps -falign-loops -falign-labels | |
41f6b79f JV |
237 | -freorder-blocks -freorder-blocks-and-partition -fprefetch-loop-arrays |
238 | -ftree-vect-loop-version | |
02a623dd | 239 | |
41f6b79f | 240 | endchoice |
923f42a3 | 241 | |
3096f34d BRF |
242 | config BR2_PREFER_STATIC_LIB |
243 | bool "prefer static libraries" | |
3096f34d | 244 | help |
ece6fe05 BRF |
245 | Where possible, build and use static libraries for the target. |
246 | This potentially increases your code size and should only be | |
247 | used if you know what you do. | |
248 | The default is to build dynamic libraries and use those on | |
249 | the target filesystem. | |
3096f34d BRF |
250 | |
251 | WARNING: This is highly experimental at the moment. | |
252 | ||
886b274a PK |
253 | config BR2_HAVE_DOCUMENTATION |
254 | bool "documentation on the target" | |
255 | help | |
b7030660 TP |
256 | Install the documentation, including manual pages and info |
257 | pages, on the target. | |
886b274a PK |
258 | If you say n here, your target will not contain any |
259 | documentation. | |
260 | ||
f5b96fc7 JV |
261 | config BR2_HAVE_DEVFILES |
262 | bool "development files in target filesystem" | |
bc67ca29 JV |
263 | help |
264 | Install headers and static libraries in the | |
265 | target filesystem | |
266 | ||
bc59823b TP |
267 | menu "Advanced" |
268 | ||
269 | config BR2_CONFIG_CACHE | |
270 | bool "Use a central configure cache file" | |
271 | default y | |
272 | help | |
273 | This determines if a central config cache is used by | |
274 | packages, reducing the configure time for packages as each | |
275 | one caches its findings. | |
276 | ||
277 | endmenu | |
278 | ||
8e5fb3fb | 279 | endmenu |
2d523c23 | 280 | |
50100394 BRF |
281 | source "toolchain/Config.in" |
282 | ||
283 | source "package/Config.in" | |
284 | ||
05852415 TP |
285 | source "fs/Config.in" |
286 | ||
649b5b92 TP |
287 | source "boot/Config.in" |
288 | ||
487e21cf | 289 | source "linux/Config.in" |