/[gentoo-x86]/eclass/toolchain-funcs.eclass
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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 1.81 2009/01/08 03:46:06 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
349gcc-specs-relro() { 349gcc-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:}" != "${directive}" ]])
353} 353}
354# Returns true if gcc sets now 354# Returns true if gcc sets now
355gcc-specs-now() { 355gcc-specs-now() {
356 local directive 356 local directive
357 directive=$(gcc-specs-directive link_command) 357 directive=$(gcc-specs-directive link_command)
358 return $([[ ${directive/\{!nonow:} != ${directive} ]]) 358 return $([[ "${directive/\{!nonow:}" != "${directive}" ]])
359} 359}
360# Returns true if gcc builds PIEs 360# Returns true if gcc builds PIEs
361gcc-specs-pie() { 361gcc-specs-pie() {
362 local directive 362 local directive
363 directive=$(gcc-specs-directive cc1) 363 directive=$(gcc-specs-directive cc1)
364 return $([[ ${directive/\{!nopie:} != ${directive} ]]) 364 return $([[ "${directive/\{!nopie:}" != "${directive}" ]])
365} 365}
366# Returns true if gcc builds with the stack protector 366# Returns true if gcc builds with the stack protector
367gcc-specs-ssp() { 367gcc-specs-ssp() {
368 local directive 368 local directive
369 directive=$(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
373gcc-specs-ssp-to-all() { 373gcc-specs-ssp-to-all() {
374 # GCC 4.x does not have -fno-stack-protector-all by default
375 [[ $(gcc-major-version) -ge 4 ]] && return 1
376 local directive 374 local directive
377 directive=$(gcc-specs-directive cc1) 375 directive=$(gcc-specs-directive cc1)
378 return $([[ ${directive/\{!fno-stack-protector-all:} != ${directive} ]]) 376 return $([[ "${directive/\{!fno-stack-protector-all:}" != "${directive}" ]])
379} 377}
380# Returns true if gcc builds with fno-strict-overflow 378# Returns true if gcc builds with fno-strict-overflow
381gcc-specs-nostrict() { 379gcc-specs-nostrict() {
382 local directive 380 local directive
383 directive=$(gcc-specs-directive cc1) 381 directive=$(gcc-specs-directive cc1)
384 return $([[ ${directive/\{!fstrict-overflow:} != ${directive} ]]) 382 return $([[ "${directive/\{!fstrict-overflow:}" != "${directive}" ]])
385} 383}
386 384
387 385
388# @FUNCTION: gen_usr_ldscript 386# @FUNCTION: gen_usr_ldscript
389# @USAGE: <list of libs to create linker scripts for> 387# @USAGE: <list of libs to create linker scripts for>

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