ramips: fixed sms led polarity into dwr-512 DT
[openwrt/openwrt.git] / config / Config-build.in
1 # Copyright (C) 2006-2013 OpenWrt.org
2 # Copyright (C) 2016 LEDE Project
3 #
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
6 #
7
8 menu "Global build settings"
9
10 config ALL_NONSHARED
11 bool "Select all target specific packages by default"
12 default ALL || BUILDBOT
13
14 config ALL_KMODS
15 bool "Select all kernel module packages by default"
16 default ALL
17
18 config ALL
19 bool "Select all userspace packages by default"
20 default n
21
22 config BUILDBOT
23 bool "Set build defaults for automatic builds (e.g. via buildbot)"
24 default n
25 help
26 This option changes several defaults to be more suitable for
27 automatic builds. This includes the following changes:
28 - Deleting build directories after compiling (to save space)
29 - Enabling per-device rootfs support
30 ...
31
32 config SIGNED_PACKAGES
33 bool "Cryptographically signed package lists"
34 default y
35
36 comment "General build options"
37
38 config DISPLAY_SUPPORT
39 bool "Show packages that require graphics support (local or remote)"
40 default n
41
42 config BUILD_PATENTED
43 default y
44 bool "Compile with support for patented functionality"
45 help
46 When this option is disabled, software which provides patented functionality
47 will not be built. In case software provides optional support for patented
48 functionality, this optional support will get disabled for this package.
49
50 config BUILD_NLS
51 default n
52 bool "Compile with full language support"
53 help
54 When this option is enabled, packages are built with the full versions of
55 iconv and GNU gettext instead of the default OpenWrt stubs. If uClibc is
56 used, it is also built with locale support.
57
58 config SHADOW_PASSWORDS
59 bool
60 default y
61
62 config CLEAN_IPKG
63 bool
64 prompt "Remove ipkg/opkg status data files in final images"
65 default n
66 help
67 This removes all ipkg/opkg status data files from the target directory
68 before building the root filesystem.
69
70 config COLLECT_KERNEL_DEBUG
71 bool
72 prompt "Collect kernel debug information"
73 select KERNEL_DEBUG_INFO
74 default BUILDBOT
75 help
76 This collects debugging symbols from the kernel and all compiled modules.
77 Useful for release builds, so that kernel issues can be debugged offline
78 later.
79
80 comment "Kernel build options"
81
82 source "config/Config-kernel.in"
83
84 comment "Package build options"
85
86 config DEBUG
87 bool
88 prompt "Compile packages with debugging info"
89 default n
90 help
91 Adds -g3 to the CFLAGS.
92
93 config IPV6
94 bool
95 prompt "Enable IPv6 support in packages"
96 default y
97 help
98 Enables IPv6 support in kernel (builtin) and packages.
99
100 comment "Stripping options"
101
102 choice
103 prompt "Binary stripping method"
104 default USE_STRIP if EXTERNAL_TOOLCHAIN
105 default USE_STRIP if USE_GLIBC
106 default USE_SSTRIP
107 help
108 Select the binary stripping method you wish to use.
109
110 config NO_STRIP
111 bool "none"
112 help
113 This will install unstripped binaries (useful for native
114 compiling/debugging).
115
116 config USE_STRIP
117 bool "strip"
118 help
119 This will install binaries stripped using strip from binutils.
120
121
122 config USE_SSTRIP
123 bool "sstrip"
124 depends on !USE_GLIBC
125 help
126 This will install binaries stripped using sstrip.
127 endchoice
128
129 config STRIP_ARGS
130 string
131 prompt "Strip arguments"
132 depends on USE_STRIP
133 default "--strip-unneeded --remove-section=.comment --remove-section=.note" if DEBUG
134 default "--strip-all"
135 help
136 Specifies arguments passed to the strip command when stripping binaries.
137
138 config STRIP_KERNEL_EXPORTS
139 bool "Strip unnecessary exports from the kernel image"
140 help
141 Reduces kernel size by stripping unused kernel exports from the kernel
142 image. Note that this might make the kernel incompatible with any kernel
143 modules that were not selected at the time the kernel image was created.
144
145 config USE_MKLIBS
146 bool "Strip unnecessary functions from libraries"
147 help
148 Reduces libraries to only those functions that are necessary for using all
149 selected packages (including those selected as <M>). Note that this will
150 make the system libraries incompatible with most of the packages that are
151 not selected during the build process.
152
153 choice
154 prompt "Preferred standard C++ library"
155 default USE_LIBSTDCXX if USE_GLIBC
156 default USE_UCLIBCXX
157 help
158 Select the preferred standard C++ library for all packages that support this.
159
160 config USE_UCLIBCXX
161 bool "uClibc++"
162
163 config USE_LIBSTDCXX
164 bool "libstdc++"
165 endchoice
166
167 comment "Hardening build options"
168
169 config PKG_CHECK_FORMAT_SECURITY
170 bool
171 prompt "Enable gcc format-security"
172 default y
173 help
174 Add -Wformat -Werror=format-security to the CFLAGS. You can disable
175 this per package by adding PKG_CHECK_FORMAT_SECURITY:=0 in the package
176 Makefile.
177
178 choice
179 prompt "User space Stack-Smashing Protection"
180 depends on USE_MUSL
181 default PKG_CC_STACKPROTECTOR_REGULAR
182 help
183 Enable GCC Stack Smashing Protection (SSP) for userspace applications
184 config PKG_CC_STACKPROTECTOR_NONE
185 bool "None"
186 config PKG_CC_STACKPROTECTOR_REGULAR
187 bool "Regular"
188 select SSP_SUPPORT if !USE_MUSL
189 depends on KERNEL_CC_STACKPROTECTOR_REGULAR
190 config PKG_CC_STACKPROTECTOR_STRONG
191 bool "Strong"
192 select SSP_SUPPORT if !USE_MUSL
193 depends on !GCC_VERSION_4_8
194 depends on KERNEL_CC_STACKPROTECTOR_STRONG
195 endchoice
196
197 choice
198 prompt "Kernel space Stack-Smashing Protection"
199 default KERNEL_CC_STACKPROTECTOR_REGULAR
200 depends on USE_MUSL || !(x86_64 || i386)
201 help
202 Enable GCC Stack-Smashing Protection (SSP) for the kernel
203 config KERNEL_CC_STACKPROTECTOR_NONE
204 bool "None"
205 config KERNEL_CC_STACKPROTECTOR_REGULAR
206 bool "Regular"
207 config KERNEL_CC_STACKPROTECTOR_STRONG
208 depends on !GCC_VERSION_4_8
209 bool "Strong"
210 endchoice
211
212 choice
213 prompt "Enable buffer-overflows detection (FORTIFY_SOURCE)"
214 default PKG_FORTIFY_SOURCE_1
215 help
216 Enable the _FORTIFY_SOURCE macro which introduces additional
217 checks to detect buffer-overflows in the following standard library
218 functions: memcpy, mempcpy, memmove, memset, strcpy, stpcpy,
219 strncpy, strcat, strncat, sprintf, vsprintf, snprintf, vsnprintf,
220 gets. "Conservative" (_FORTIFY_SOURCE set to 1) only introduces
221 checks that shouldn't change the behavior of conforming programs,
222 while "aggressive" (_FORTIFY_SOURCES set to 2) some more checking is
223 added, but some conforming programs might fail.
224 config PKG_FORTIFY_SOURCE_NONE
225 bool "None"
226 config PKG_FORTIFY_SOURCE_1
227 bool "Conservative"
228 config PKG_FORTIFY_SOURCE_2
229 bool "Aggressive"
230 endchoice
231
232 choice
233 prompt "Enable RELRO protection"
234 default PKG_RELRO_FULL
235 help
236 Enable a link-time protection known as RELRO (Relocation Read Only)
237 which helps to protect from certain type of exploitation techniques
238 altering the content of some ELF sections. "Partial" RELRO makes the
239 .dynamic section not writeable after initialization, introducing
240 almost no performance penalty, while "full" RELRO also marks the GOT
241 as read-only at the cost of initializing all of it at startup.
242 config PKG_RELRO_NONE
243 bool "None"
244 config PKG_RELRO_PARTIAL
245 bool "Partial"
246 config PKG_RELRO_FULL
247 bool "Full"
248 endchoice
249
250 endmenu