Bernhard Reutner-Fischer | 51a61c9 | 2007-09-22 14:16:25 +0000 | [diff] [blame] | 1 | menu "Toolchain" |
Thomas Petazzoni | 381616e | 2013-06-30 21:29:09 +0200 | [diff] [blame] | 2 | |
Fabio Porcedda | 5f70a00 | 2014-04-07 11:56:48 +0200 | [diff] [blame] | 3 | # Invisible option that makes sure the toolchain package always gets |
| 4 | # built |
| 5 | config BR2_TOOLCHAIN |
| 6 | bool |
| 7 | default y |
| 8 | |
Thomas Petazzoni | 381616e | 2013-06-30 21:29:09 +0200 | [diff] [blame] | 9 | # Should be selected for glibc or eglibc |
| 10 | config BR2_TOOLCHAIN_USES_GLIBC |
| 11 | bool |
Thomas Petazzoni | 381616e | 2013-06-30 21:29:09 +0200 | [diff] [blame] | 12 | select BR2_USE_WCHAR |
| 13 | select BR2_ENABLE_LOCALE |
Thomas Petazzoni | 85cb34a | 2017-07-04 16:47:46 +0200 | [diff] [blame] | 14 | select BR2_TOOLCHAIN_HAS_FULL_GETTEXT |
Thomas Petazzoni | 381616e | 2013-06-30 21:29:09 +0200 | [diff] [blame] | 15 | select BR2_TOOLCHAIN_HAS_THREADS |
| 16 | select BR2_TOOLCHAIN_HAS_THREADS_DEBUG |
Thomas Petazzoni | c64f948 | 2014-02-18 22:08:59 +0100 | [diff] [blame] | 17 | select BR2_TOOLCHAIN_HAS_THREADS_NPTL |
Thomas Petazzoni | 381616e | 2013-06-30 21:29:09 +0200 | [diff] [blame] | 18 | select BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS |
Waldemar Brodkorb | 3c93901 | 2016-07-11 16:35:14 +0200 | [diff] [blame] | 19 | select BR2_TOOLCHAIN_SUPPORTS_PIE |
Thomas Petazzoni | 381616e | 2013-06-30 21:29:09 +0200 | [diff] [blame] | 20 | |
| 21 | config BR2_TOOLCHAIN_USES_UCLIBC |
| 22 | bool |
Waldemar Brodkorb | fd00d6d | 2016-07-31 23:41:26 +0200 | [diff] [blame] | 23 | select BR2_TOOLCHAIN_SUPPORTS_PIE if !BR2_m68k && !BR2_microblaze && !BR2_STATIC_LIBS |
Thomas Petazzoni | 381616e | 2013-06-30 21:29:09 +0200 | [diff] [blame] | 24 | |
Thomas Petazzoni | a1d94aa | 2013-10-08 20:17:09 +0200 | [diff] [blame] | 25 | config BR2_TOOLCHAIN_USES_MUSL |
| 26 | bool |
Thomas Petazzoni | a1d94aa | 2013-10-08 20:17:09 +0200 | [diff] [blame] | 27 | select BR2_USE_WCHAR |
| 28 | select BR2_ENABLE_LOCALE |
| 29 | select BR2_TOOLCHAIN_HAS_THREADS |
| 30 | select BR2_TOOLCHAIN_HAS_THREADS_DEBUG |
Thomas Petazzoni | c64f948 | 2014-02-18 22:08:59 +0100 | [diff] [blame] | 31 | select BR2_TOOLCHAIN_HAS_THREADS_NPTL |
Baruch Siach | fa39753 | 2017-05-23 01:07:09 +0300 | [diff] [blame] | 32 | select BR2_TOOLCHAIN_SUPPORTS_PIE if !BR2_STATIC_LIBS |
Thomas Petazzoni | a1d94aa | 2013-10-08 20:17:09 +0200 | [diff] [blame] | 33 | |
"Steven J. Hill" | 02f71aa | 2007-02-06 18:19:38 +0000 | [diff] [blame] | 34 | choice |
| 35 | prompt "Toolchain type" |
Eric Andersen | 2d523c2 | 2004-10-09 01:06:03 +0000 | [diff] [blame] | 36 | help |
Bernhard Reutner-Fischer | 4b0d5a8 | 2007-09-26 21:12:38 +0000 | [diff] [blame] | 37 | Select whether to use the toolchain provided by buildroot |
| 38 | or an external toolchain. |
| 39 | |
| 40 | Some vendors provide toolchains in binary form, some in |
| 41 | source form. |
Bernhard Reutner-Fischer | 7bc7c8e | 2007-09-25 22:03:18 +0000 | [diff] [blame] | 42 | |
"Steven J. Hill" | 02f71aa | 2007-02-06 18:19:38 +0000 | [diff] [blame] | 43 | config BR2_TOOLCHAIN_BUILDROOT |
Bernhard Reutner-Fischer | 51a61c9 | 2007-09-22 14:16:25 +0000 | [diff] [blame] | 44 | bool "Buildroot toolchain" |
Yann E. MORIN | 31a7261 | 2017-09-03 11:22:16 +0200 | [diff] [blame] | 45 | depends on BR2_ARCH_HAS_TOOLCHAIN_BUILDROOT |
Ricardo Martincoski | 7a63dcb | 2018-04-01 02:08:38 -0300 | [diff] [blame^] | 46 | select BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS |
Peter Korsgaard | 02a623d | 2008-08-04 19:07:05 +0000 | [diff] [blame] | 47 | |
"Steven J. Hill" | 02f71aa | 2007-02-06 18:19:38 +0000 | [diff] [blame] | 48 | config BR2_TOOLCHAIN_EXTERNAL |
Peter Korsgaard | ecc81fe | 2010-02-08 11:01:04 +0100 | [diff] [blame] | 49 | bool "External toolchain" |
Thomas Petazzoni | 6c492d5 | 2010-12-13 17:27:39 +0100 | [diff] [blame] | 50 | help |
| 51 | Select if you want to use an existing cross-compiling |
| 52 | toolchain. Buildroot can either download automatically a |
| 53 | toolchain, or use an already installed toolchain. |
Bernhard Reutner-Fischer | 4b0d5a8 | 2007-09-26 21:12:38 +0000 | [diff] [blame] | 54 | |
"Steven J. Hill" | 02f71aa | 2007-02-06 18:19:38 +0000 | [diff] [blame] | 55 | endchoice |
Eric Andersen | 2d523c2 | 2004-10-09 01:06:03 +0000 | [diff] [blame] | 56 | |
Yann E. MORIN | 2508b16 | 2010-07-28 00:08:16 +0200 | [diff] [blame] | 57 | source "toolchain/toolchain-buildroot/Config.in" |
Yann E. MORIN | f78ea9f | 2010-07-28 00:08:14 +0200 | [diff] [blame] | 58 | source "toolchain/toolchain-external/Config.in" |
Ricardo Martincoski | 6e3c9ad | 2018-04-01 02:08:26 -0300 | [diff] [blame] | 59 | |
| 60 | # Generic toolchain options |
| 61 | |
| 62 | # we want gdb config in the middle of both source and external |
| 63 | # toolchains, but mconf won't let us source the same file twice, |
| 64 | # so put it here instead |
| 65 | source "package/gdb/Config.in.host" |
| 66 | |
| 67 | comment "Toolchain Generic Options" |
| 68 | |
| 69 | # https://sourceware.org/bugzilla/show_bug.cgi?id=19615 |
| 70 | # Affect toolchains built with binutils 2.26 (fixed in binutils 2.26.1). |
| 71 | config BR2_TOOLCHAIN_HAS_BINUTILS_BUG_19615 |
| 72 | bool |
| 73 | |
| 74 | # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64735 |
| 75 | # exception_ptr, nested_exception, and future from libstdc++ are not |
| 76 | # available for architectures not supporting always lock-free atomic |
| 77 | # ints before GCC 7 |
| 78 | config BR2_TOOLCHAIN_HAS_GCC_BUG_64735 |
| 79 | bool |
| 80 | default y if BR2_nios2 |
| 81 | default y if BR2_ARM_CPU_ARMV4 |
| 82 | default y if BR2_ARM_CPU_ARMV5 |
| 83 | default y if BR2_sparc_v8 |
| 84 | default y if BR2_m68k_cf5208 |
| 85 | depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_7 |
| 86 | |
| 87 | config BR2_TOOLCHAIN_HAS_NATIVE_RPC |
| 88 | bool |
| 89 | |
| 90 | config BR2_USE_WCHAR |
| 91 | bool |
| 92 | |
| 93 | config BR2_ENABLE_LOCALE |
| 94 | bool |
| 95 | |
| 96 | config BR2_INSTALL_LIBSTDCPP |
| 97 | bool |
| 98 | |
| 99 | config BR2_TOOLCHAIN_HAS_FORTRAN |
| 100 | bool |
| 101 | |
| 102 | config BR2_TOOLCHAIN_HAS_THREADS |
| 103 | bool |
| 104 | |
| 105 | config BR2_TOOLCHAIN_HAS_THREADS_DEBUG |
| 106 | bool |
| 107 | |
| 108 | config BR2_TOOLCHAIN_HAS_THREADS_NPTL |
| 109 | bool |
| 110 | |
| 111 | config BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS |
| 112 | bool |
| 113 | |
| 114 | config BR2_TOOLCHAIN_HAS_SSP |
| 115 | bool |
| 116 | |
| 117 | config BR2_TOOLCHAIN_SUPPORTS_PIE |
| 118 | bool |
| 119 | |
| 120 | config BR2_TOOLCHAIN_GLIBC_GCONV_LIBS_COPY |
| 121 | bool "Copy gconv libraries" |
| 122 | depends on BR2_TOOLCHAIN_USES_GLIBC |
| 123 | help |
| 124 | The gconv libraries are used to convert between different |
| 125 | character sets (charsets). |
| 126 | |
| 127 | Say 'y' if you need to store and/or display different charsets. |
| 128 | |
| 129 | config BR2_TOOLCHAIN_GLIBC_GCONV_LIBS_LIST |
| 130 | string "Gconv libraries to copy" |
| 131 | depends on BR2_TOOLCHAIN_GLIBC_GCONV_LIBS_COPY |
| 132 | help |
| 133 | Set to the list of gconv libraries to copy. |
| 134 | Leave empty to copy all gconv libraries. |
| 135 | |
| 136 | Specify only the basename of the libraries, leave |
| 137 | out the .so extension. Eg.: |
| 138 | IBM850 ISO8859-15 UNICODE |
| 139 | |
| 140 | Note: the full set of gconv libs are ~8MiB (on ARM). |
| 141 | |
| 142 | # This boolean is true if the toolchain provides a built-in full |
| 143 | # featured gettext implementation (glibc), and false if only a stub |
| 144 | # gettext implementation is provided (uclibc, musl) |
| 145 | config BR2_TOOLCHAIN_HAS_FULL_GETTEXT |
| 146 | bool |
| 147 | |
| 148 | config BR2_USE_MMU |
| 149 | bool "Enable MMU support" if BR2_ARCH_HAS_MMU_OPTIONAL |
| 150 | default y if BR2_ARCH_HAS_MMU_OPTIONAL || BR2_ARCH_HAS_MMU_MANDATORY |
| 151 | help |
| 152 | If your target has a MMU, you should say Y here. If you |
| 153 | are unsure, just say Y. |
| 154 | |
| 155 | config BR2_TARGET_OPTIMIZATION |
| 156 | string "Target Optimizations" |
| 157 | default "" |
| 158 | help |
| 159 | Optimizations to use when building for the target host. |
| 160 | NOTE: gcc optimization level is defined in build options. |
| 161 | |
| 162 | config BR2_TARGET_LDFLAGS |
| 163 | string "Target linker options" |
| 164 | help |
| 165 | Extra options to pass to the linker when building for the target. |
| 166 | |
| 167 | Note that options with a '$' sign (eg. -Wl,-rpath='$ORIGIN/../lib') |
| 168 | are not supported. |
| 169 | |
| 170 | config BR2_ECLIPSE_REGISTER |
| 171 | bool "Register toolchain within Eclipse Buildroot plug-in" |
| 172 | help |
| 173 | This options tells Buildroot to generate the necessary |
| 174 | configuration files to make your toolchain appear within |
| 175 | Eclipse, through the Eclipse Buildroot plugin. |
| 176 | |
| 177 | # Options for packages to depend on, if they require at least a |
| 178 | # specific version of the kernel headers. |
| 179 | # Toolchains should choose the adequate option (ie. the highest |
| 180 | # version, not all of them). |
| 181 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0 |
| 182 | bool |
| 183 | |
| 184 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_1 |
| 185 | bool |
| 186 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0 |
| 187 | |
| 188 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2 |
| 189 | bool |
| 190 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_1 |
| 191 | |
| 192 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_3 |
| 193 | bool |
| 194 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2 |
| 195 | |
| 196 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_4 |
| 197 | bool |
| 198 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_3 |
| 199 | |
| 200 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_5 |
| 201 | bool |
| 202 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_4 |
| 203 | |
| 204 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_6 |
| 205 | bool |
| 206 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_5 |
| 207 | |
| 208 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_7 |
| 209 | bool |
| 210 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_6 |
| 211 | |
| 212 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_8 |
| 213 | bool |
| 214 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_7 |
| 215 | |
| 216 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_9 |
| 217 | bool |
| 218 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_8 |
| 219 | |
| 220 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10 |
| 221 | bool |
| 222 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_9 |
| 223 | |
| 224 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_11 |
| 225 | bool |
| 226 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10 |
| 227 | |
| 228 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12 |
| 229 | bool |
| 230 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_11 |
| 231 | |
| 232 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_13 |
| 233 | bool |
| 234 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12 |
| 235 | |
| 236 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14 |
| 237 | bool |
| 238 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_13 |
| 239 | |
| 240 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_15 |
| 241 | bool |
| 242 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14 |
| 243 | |
| 244 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_16 |
| 245 | bool |
| 246 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_15 |
| 247 | |
| 248 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_17 |
| 249 | bool |
| 250 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_16 |
| 251 | |
| 252 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_18 |
| 253 | bool |
| 254 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_17 |
| 255 | |
| 256 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_19 |
| 257 | bool |
| 258 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_18 |
| 259 | |
| 260 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_0 |
| 261 | bool |
| 262 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_19 |
| 263 | |
| 264 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_1 |
| 265 | bool |
| 266 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_0 |
| 267 | |
| 268 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_2 |
| 269 | bool |
| 270 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_1 |
| 271 | |
| 272 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_3 |
| 273 | bool |
| 274 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_2 |
| 275 | |
| 276 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_4 |
| 277 | bool |
| 278 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_3 |
| 279 | |
| 280 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5 |
| 281 | bool |
| 282 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_4 |
| 283 | |
| 284 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_6 |
| 285 | bool |
| 286 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5 |
| 287 | |
| 288 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_7 |
| 289 | bool |
| 290 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_6 |
| 291 | |
| 292 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_8 |
| 293 | bool |
| 294 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_7 |
| 295 | |
| 296 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_9 |
| 297 | bool |
| 298 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_8 |
| 299 | |
| 300 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_10 |
| 301 | bool |
| 302 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_9 |
| 303 | |
| 304 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_11 |
| 305 | bool |
| 306 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_10 |
| 307 | |
| 308 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_12 |
| 309 | bool |
| 310 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_11 |
| 311 | |
| 312 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_13 |
| 313 | bool |
| 314 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_12 |
| 315 | |
| 316 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_14 |
| 317 | bool |
| 318 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_13 |
| 319 | |
| 320 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_15 |
| 321 | bool |
| 322 | select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_14 |
| 323 | |
| 324 | # This order guarantees that the highest version is set, as kconfig |
| 325 | # stops affecting a value on the first matching default. |
| 326 | config BR2_TOOLCHAIN_HEADERS_AT_LEAST |
| 327 | string |
| 328 | default "4.15" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_15 |
| 329 | default "4.14" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_14 |
| 330 | default "4.13" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_13 |
| 331 | default "4.12" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_12 |
| 332 | default "4.11" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_11 |
| 333 | default "4.10" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_10 |
| 334 | default "4.9" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_9 |
| 335 | default "4.8" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_8 |
| 336 | default "4.7" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_7 |
| 337 | default "4.6" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_6 |
| 338 | default "4.5" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5 |
| 339 | default "4.4" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_4 |
| 340 | default "4.3" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_3 |
| 341 | default "4.2" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_2 |
| 342 | default "4.1" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_1 |
| 343 | default "4.0" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_0 |
| 344 | default "3.19" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_19 |
| 345 | default "3.18" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_18 |
| 346 | default "3.17" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_17 |
| 347 | default "3.16" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_16 |
| 348 | default "3.15" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_15 |
| 349 | default "3.14" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14 |
| 350 | default "3.13" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_13 |
| 351 | default "3.12" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12 |
| 352 | default "3.11" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_11 |
| 353 | default "3.10" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10 |
| 354 | default "3.9" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_9 |
| 355 | default "3.8" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_8 |
| 356 | default "3.7" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_7 |
| 357 | default "3.6" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_6 |
| 358 | default "3.5" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_5 |
| 359 | default "3.4" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_4 |
| 360 | default "3.3" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_3 |
| 361 | default "3.2" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2 |
| 362 | default "3.1" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_1 |
| 363 | default "3.0" if BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_0 |
| 364 | default "2.6" |
| 365 | |
| 366 | config BR2_TOOLCHAIN_GCC_AT_LEAST_4_3 |
| 367 | bool |
| 368 | |
| 369 | config BR2_TOOLCHAIN_GCC_AT_LEAST_4_4 |
| 370 | bool |
| 371 | select BR2_TOOLCHAIN_GCC_AT_LEAST_4_3 |
| 372 | |
| 373 | config BR2_TOOLCHAIN_GCC_AT_LEAST_4_5 |
| 374 | bool |
| 375 | select BR2_TOOLCHAIN_GCC_AT_LEAST_4_4 |
| 376 | |
| 377 | config BR2_TOOLCHAIN_GCC_AT_LEAST_4_6 |
| 378 | bool |
| 379 | select BR2_TOOLCHAIN_GCC_AT_LEAST_4_5 |
| 380 | |
| 381 | config BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 |
| 382 | bool |
| 383 | select BR2_TOOLCHAIN_GCC_AT_LEAST_4_6 |
| 384 | |
| 385 | config BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 |
| 386 | bool |
| 387 | select BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 |
| 388 | |
| 389 | config BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 |
| 390 | bool |
| 391 | select BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 |
| 392 | |
| 393 | config BR2_TOOLCHAIN_GCC_AT_LEAST_5 |
| 394 | bool |
| 395 | select BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 |
| 396 | |
| 397 | config BR2_TOOLCHAIN_GCC_AT_LEAST_6 |
| 398 | bool |
| 399 | select BR2_TOOLCHAIN_GCC_AT_LEAST_5 |
| 400 | |
| 401 | config BR2_TOOLCHAIN_GCC_AT_LEAST_7 |
| 402 | bool |
| 403 | select BR2_TOOLCHAIN_GCC_AT_LEAST_6 |
| 404 | |
| 405 | # This order guarantees that the highest version is set, as kconfig |
| 406 | # stops affecting a value on the first matching default. |
| 407 | config BR2_TOOLCHAIN_GCC_AT_LEAST |
| 408 | string |
| 409 | default "7" if BR2_TOOLCHAIN_GCC_AT_LEAST_7 |
| 410 | default "6" if BR2_TOOLCHAIN_GCC_AT_LEAST_6 |
| 411 | default "5" if BR2_TOOLCHAIN_GCC_AT_LEAST_5 |
| 412 | default "4.9" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 |
| 413 | default "4.8" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 |
| 414 | default "4.7" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 |
| 415 | default "4.6" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_6 |
| 416 | default "4.5" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_5 |
| 417 | default "4.4" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_4 |
| 418 | default "4.3" if BR2_TOOLCHAIN_GCC_AT_LEAST_4_3 |
| 419 | |
| 420 | config BR2_TOOLCHAIN_HAS_MNAN_OPTION |
| 421 | bool |
| 422 | default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 |
| 423 | |
| 424 | config BR2_TOOLCHAIN_HAS_SYNC_1 |
| 425 | bool |
| 426 | default y |
| 427 | depends on !BR2_bfin |
| 428 | depends on !BR2_m68k_cf |
| 429 | depends on !BR2_microblaze |
| 430 | depends on !BR2_sparc |
| 431 | depends on !(BR2_arc && !BR2_ARC_ATOMIC_EXT) |
| 432 | |
| 433 | config BR2_TOOLCHAIN_HAS_SYNC_2 |
| 434 | bool |
| 435 | default y if BR2_TOOLCHAIN_HAS_SYNC_1 |
| 436 | |
| 437 | config BR2_TOOLCHAIN_HAS_SYNC_4 |
| 438 | bool |
| 439 | default y |
| 440 | depends on !BR2_m68k_cf |
| 441 | depends on !BR2_sparc |
| 442 | depends on !(BR2_arc && !BR2_ARC_ATOMIC_EXT) |
| 443 | |
| 444 | # The availability of __sync for 8-byte types on ARM is somewhat |
| 445 | # complicated: |
| 446 | # |
| 447 | # - It appeared in gcc starting with gcc 4.7. |
| 448 | # |
| 449 | # - On ARMv7, there is no problem, it can be directly implemented in |
| 450 | # userspace. |
| 451 | # |
| 452 | # - On < ARMv7, it requires help from the kernel. Unfortunately, the |
| 453 | # libgcc code implementing 8-byte __sync with the help from the |
| 454 | # kernel calls __write() when a failure occurs, which is a function |
| 455 | # internal to glibc, not available in uClibc and musl. This means |
| 456 | # that the 8-byte __sync operations are not available on < ARMv7 |
| 457 | # with uClibc and musl. This problem was fixed as part of gcc |
| 458 | # PR68059, which was backported to the gcc 5 branch, but isn't yet |
| 459 | # part of any gcc 5.x release. |
| 460 | # |
| 461 | config BR2_TOOLCHAIN_ARM_HAS_SYNC_8 |
| 462 | bool |
| 463 | default y |
| 464 | depends on BR2_arm || BR2_armeb |
| 465 | depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 |
| 466 | depends on BR2_TOOLCHAIN_USES_GLIBC || BR2_ARM_CPU_ARMV7A |
| 467 | |
| 468 | # 8-byte intrinsics available on most x86 CPUs, except a few old ones |
| 469 | config BR2_TOOLCHAIN_X86_HAS_SYNC_8 |
| 470 | bool |
| 471 | default y |
| 472 | depends on BR2_i386 |
| 473 | depends on !BR2_x86_i486 |
| 474 | depends on !BR2_x86_c3 |
| 475 | depends on !BR2_x86_winchip_c6 |
| 476 | depends on !BR2_x86_winchip2 |
| 477 | |
| 478 | # 8-byte intrinsics available: |
| 479 | # - On all 64 bits architecture |
| 480 | # - On a certain combinations of ARM platforms |
| 481 | # - On certain x86 32 bits CPUs |
| 482 | config BR2_TOOLCHAIN_HAS_SYNC_8 |
| 483 | bool |
| 484 | default y if BR2_ARCH_IS_64 |
| 485 | default y if BR2_TOOLCHAIN_ARM_HAS_SYNC_8 |
| 486 | default y if BR2_TOOLCHAIN_X86_HAS_SYNC_8 |
| 487 | |
| 488 | # libatomic is available since gcc 4.8, when thread support is |
| 489 | # enabled. Also, libatomic doesn't recognize "uclinux" as a valid OS |
| 490 | # part of the tuple, and is therefore not build on uclinux targets, |
| 491 | # which is why BR2_BINFMT_FLAT configurations are excluded. |
| 492 | config BR2_TOOLCHAIN_HAS_LIBATOMIC |
| 493 | bool |
| 494 | default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 && \ |
| 495 | BR2_TOOLCHAIN_HAS_THREADS && \ |
| 496 | !BR2_BINFMT_FLAT |
| 497 | |
| 498 | # __atomic intrinsics are available: |
| 499 | # - with gcc 4.8, either through built-ins or libatomic, on all |
| 500 | # architectures. Since we don't want to separate the cases where |
| 501 | # libatomic is needed vs. not needed, we simplify thing and only |
| 502 | # support situations where libatomic is available, even if on some |
| 503 | # architectures libatomic is not strictly needed as all __atomic |
| 504 | # intrinsics might be built-in. The only case where libatomic is |
| 505 | # missing entirely is when the toolchain does not have support for |
| 506 | # threads. However, a package that does not need threads but still |
| 507 | # uses atomics is quite a corner case, which does not warrant the |
| 508 | # added complexity. |
| 509 | # - with gcc 4.7, libatomic did not exist, so only built-ins are |
| 510 | # available. This means that __atomic can only be used in a subset |
| 511 | # of the architectures |
| 512 | config BR2_TOOLCHAIN_HAS_ATOMIC |
| 513 | bool |
| 514 | default y if BR2_TOOLCHAIN_HAS_LIBATOMIC |
| 515 | default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 && BR2_arm |
| 516 | default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 && BR2_armeb |
| 517 | default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 && BR2_xtensa |
| 518 | default y if BR2_TOOLCHAIN_GCC_AT_LEAST_4_7 && BR2_ARCH_IS_64 |
| 519 | |
| 520 | # - libquadmath is not needed/available on all architectures (but gcc |
| 521 | # correctly handles this already). |
| 522 | # - At least, libquadmath is available on: |
| 523 | # - i*86 |
| 524 | # - x86_64 |
| 525 | # - When available, libquadmath requires wchar support. |
| 526 | config BR2_TOOLCHAIN_HAS_LIBQUADMATH |
| 527 | bool |
| 528 | default y if BR2_i386 || BR2_x86_64 |
Peter Korsgaard | e2e4950 | 2008-12-15 15:28:48 +0000 | [diff] [blame] | 529 | |
Bernhard Reutner-Fischer | 51a61c9 | 2007-09-22 14:16:25 +0000 | [diff] [blame] | 530 | endmenu |