| 1 | # Copyright 1999-2007 Gentoo Foundation |
1 | # Copyright 1999-2007 Gentoo Foundation |
| 2 | # Distributed under the terms of the GNU General Public License v2 |
2 | # Distributed under the terms of the GNU General Public License v2 |
| 3 | # $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.83 2009/01/08 09:56:00 gengor Exp $ |
3 | # $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.84 2009/01/08 11:06:10 gengor Exp $ |
| 4 | |
4 | |
| 5 | # @ECLASS: toolchain-funcs.eclass |
5 | # @ECLASS: toolchain-funcs.eclass |
| 6 | # @MAINTAINER: |
6 | # @MAINTAINER: |
| 7 | # Toolchain Ninjas <toolchain@gentoo.org> |
7 | # Toolchain Ninjas <toolchain@gentoo.org> |
| 8 | # @BLURB: functions to query common info about the toolchain |
8 | # @BLURB: functions to query common info about the toolchain |
| … | |
… | |
| 347 | |
347 | |
| 348 | # Returns true if gcc sets relro |
348 | # Returns true if gcc sets relro |
| 349 | gcc-specs-relro() { |
349 | gcc-specs-relro() { |
| 350 | local directive |
350 | local directive |
| 351 | directive=$(gcc-specs-directive link_command) |
351 | directive=$(gcc-specs-directive link_command) |
| 352 | return $([[ ${directive/\{!norelro:} != ${directive} ]]) |
352 | return $([[ "${directive/\{!norelro:}" != "${directive}" ]]) |
| 353 | } |
353 | } |
| 354 | # Returns true if gcc sets now |
354 | # Returns true if gcc sets now |
| 355 | gcc-specs-now() { |
355 | gcc-specs-now() { |
| 356 | local directive |
356 | local directive |
| 357 | directive=$(gcc-specs-directive link_command) |
357 | directive=$(gcc-specs-directive link_command) |
| 358 | return $([[ ${directive/\{!nonow:} != ${directive} ]]) |
358 | return $([[ "${directive/\{!nonow:}" != "${directive}" ]]) |
| 359 | } |
359 | } |
| 360 | # Returns true if gcc builds PIEs |
360 | # Returns true if gcc builds PIEs |
| 361 | gcc-specs-pie() { |
361 | gcc-specs-pie() { |
| 362 | local directive |
362 | local directive |
| 363 | directive=$(gcc-specs-directive cc1) |
363 | directive=$(gcc-specs-directive cc1) |
| 364 | return $([[ ${directive/\{!nopie:} != ${directive} ]]) |
364 | return $([[ "${directive/\{!nopie:}" != "${directive}" ]]) |
| 365 | } |
365 | } |
| 366 | # Returns true if gcc builds with the stack protector |
366 | # Returns true if gcc builds with the stack protector |
| 367 | gcc-specs-ssp() { |
367 | gcc-specs-ssp() { |
| 368 | local directive |
368 | local directive |
| 369 | directive=$(gcc-specs-directive cc1) |
369 | directive=$(gcc-specs-directive cc1) |
| 370 | return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]]) |
370 | return $([[ "${directive/\{!fno-stack-protector:}" != "${directive}" ]]) |
| 371 | } |
371 | } |
| 372 | # Returns true if gcc upgrades fstack-protector to fstack-protector-all |
372 | # Returns true if gcc upgrades fstack-protector to fstack-protector-all |
| 373 | gcc-specs-ssp-to-all() { |
373 | gcc-specs-ssp-to-all() { |
| 374 | local directive |
374 | local directive |
| 375 | directive=$(gcc-specs-directive cc1) |
375 | directive=$(gcc-specs-directive cc1) |
| 376 | return $([[ ${directive/\{!fno-stack-protector-all:} != ${directive} ]]) |
376 | return $([[ "${directive/\{!fno-stack-protector-all:}" != "${directive}" ]]) |
| 377 | } |
377 | } |
| 378 | # Returns true if gcc builds with fno-strict-overflow |
378 | # Returns true if gcc builds with fno-strict-overflow |
| 379 | gcc-specs-nostrict() { |
379 | gcc-specs-nostrict() { |
| 380 | local directive |
380 | local directive |
| 381 | directive=$(gcc-specs-directive cc1) |
381 | directive=$(gcc-specs-directive cc1) |
| 382 | return $([[ ${directive/\{!fstrict-overflow:} != ${directive} ]]) |
382 | return $([[ "${directive/\{!fstrict-overflow:}" != "${directive}" ]]) |
| 383 | } |
383 | } |
| 384 | |
384 | |
| 385 | |
385 | |
| 386 | # @FUNCTION: gen_usr_ldscript |
386 | # @FUNCTION: gen_usr_ldscript |
| 387 | # @USAGE: <list of libs to create linker scripts for> |
387 | # @USAGE: <list of libs to create linker scripts for> |
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