/[gentoo-x86]/eclass/flag-o-matic.eclass
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Revision 1.100 Revision 1.101
1# Copyright 1999-2005 Gentoo Foundation 1# Copyright 1999-2005 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/flag-o-matic.eclass,v 1.100 2005/12/09 22:25:24 azarah Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.101 2006/01/01 01:14:59 swegener Exp $
4 4
5 5
6# need access to emktemp() 6# need access to emktemp()
7inherit eutils toolchain-funcs multilib 7inherit eutils toolchain-funcs multilib
8 8
320 320
321 shift 321 shift
322 322
323 [[ -z ${comp} ]] && \ 323 [[ -z ${comp} ]] && \
324 return 1 324 return 1
325 325
326 for x in "$@" ; do 326 for x in "$@" ; do
327 test-flag-${comp} "${x}" && flags="${flags} ${x}" 327 test-flag-${comp} "${x}" && flags="${flags} ${x}"
328 done 328 done
329 329
330 echo "${flags}" 330 echo "${flags}"
393# DEPRECATED - use gcc-specs-relro or gcc-specs-now from toolchain-funcs 393# DEPRECATED - use gcc-specs-relro or gcc-specs-now from toolchain-funcs
394has_hardened() { 394has_hardened() {
395 addwrite "/dev/stderr" 395 addwrite "/dev/stderr"
396 ewarn "has_hardened: deprecated, please use gcc-specs-{relro,now}()!" \ 396 ewarn "has_hardened: deprecated, please use gcc-specs-{relro,now}()!" \
397 >/dev/stderr 397 >/dev/stderr
398 398
399 test_version_info Hardened && return 0 399 test_version_info Hardened && return 0
400 # The specs file wont exist unless gcc has GCC_SPECS support 400 # The specs file wont exist unless gcc has GCC_SPECS support
401 [[ -f ${GCC_SPECS} && ${GCC_SPECS} != ${GCC_SPECS/hardened/} ]] 401 [[ -f ${GCC_SPECS} && ${GCC_SPECS} != ${GCC_SPECS/hardened/} ]]
402} 402}
403 403
404# DEPRECATED - use gcc-specs-pie from toolchain-funcs 404# DEPRECATED - use gcc-specs-pie from toolchain-funcs
405# indicate whether PIC is set 405# indicate whether PIC is set
406has_pic() { 406has_pic() {
407 addwrite "/dev/stderr" 407 addwrite "/dev/stderr"
408 ewarn "has_pic: deprecated, please use gcc-specs-pie()!" >/dev/stderr 408 ewarn "has_pic: deprecated, please use gcc-specs-pie()!" >/dev/stderr
409 409
410 [[ ${CFLAGS/-fPIC} != ${CFLAGS} || \ 410 [[ ${CFLAGS/-fPIC} != ${CFLAGS} || \
411 ${CFLAGS/-fpic} != ${CFLAGS} || \ 411 ${CFLAGS/-fpic} != ${CFLAGS} || \
412 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIC__) ]] 412 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIC__) ]]
413} 413}
414 414
415# DEPRECATED - use gcc-specs-pie from toolchain-funcs 415# DEPRECATED - use gcc-specs-pie from toolchain-funcs
416# indicate whether PIE is set 416# indicate whether PIE is set
417has_pie() { 417has_pie() {
418 addwrite "/dev/stderr" 418 addwrite "/dev/stderr"
419 ewarn "has_pie: deprecated, please use gcc-specs-pie()!" >/dev/stderr 419 ewarn "has_pie: deprecated, please use gcc-specs-pie()!" >/dev/stderr
420 420
421 [[ ${CFLAGS/-fPIE} != ${CFLAGS} || \ 421 [[ ${CFLAGS/-fPIE} != ${CFLAGS} || \
422 ${CFLAGS/-fpie} != ${CFLAGS} || \ 422 ${CFLAGS/-fpie} != ${CFLAGS} || \
423 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIE__) || \ 423 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIE__) || \
424 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIC__) ]] 424 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIC__) ]]
425 # test PIC while waiting for specs to be updated to generate __PIE__ 425 # test PIC while waiting for specs to be updated to generate __PIE__
428# DEPRECATED - use gcc-specs-ssp from toolchain-funcs 428# DEPRECATED - use gcc-specs-ssp from toolchain-funcs
429# indicate whether code for SSP is being generated for all functions 429# indicate whether code for SSP is being generated for all functions
430has_ssp_all() { 430has_ssp_all() {
431 addwrite "/dev/stderr" 431 addwrite "/dev/stderr"
432 ewarn "has_ssp_all: deprecated, please use gcc-specs-ssp()!" >/dev/stderr 432 ewarn "has_ssp_all: deprecated, please use gcc-specs-ssp()!" >/dev/stderr
433 433
434 # note; this matches only -fstack-protector-all 434 # note; this matches only -fstack-protector-all
435 [[ ${CFLAGS/-fstack-protector-all} != ${CFLAGS} || \ 435 [[ ${CFLAGS/-fstack-protector-all} != ${CFLAGS} || \
436 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP_ALL__) ]] || \ 436 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP_ALL__) ]] || \
437 gcc-specs-ssp 437 gcc-specs-ssp
438} 438}
440# DEPRECATED - use gcc-specs-ssp from toolchain-funcs 440# DEPRECATED - use gcc-specs-ssp from toolchain-funcs
441# indicate whether code for SSP is being generated 441# indicate whether code for SSP is being generated
442has_ssp() { 442has_ssp() {
443 addwrite "/dev/stderr" 443 addwrite "/dev/stderr"
444 ewarn "has_ssp: deprecated, please use gcc-specs-ssp()!" >/dev/stderr 444 ewarn "has_ssp: deprecated, please use gcc-specs-ssp()!" >/dev/stderr
445 445
446 # note; this matches both -fstack-protector and -fstack-protector-all 446 # note; this matches both -fstack-protector and -fstack-protector-all
447 [[ ${CFLAGS/-fstack-protector} != ${CFLAGS} || \ 447 [[ ${CFLAGS/-fstack-protector} != ${CFLAGS} || \
448 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP__) ]] || \ 448 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP__) ]] || \
449 gcc-specs-ssp 449 gcc-specs-ssp
450} 450}
452has_m64() { 452has_m64() {
453 # this doesnt test if the flag is accepted, it tests if the flag 453 # this doesnt test if the flag is accepted, it tests if the flag
454 # actually -WORKS-. non-multilib gcc will take both -m32 and -m64! 454 # actually -WORKS-. non-multilib gcc will take both -m32 and -m64!
455 # please dont replace this function with test_flag in some future 455 # please dont replace this function with test_flag in some future
456 # clean-up! 456 # clean-up!
457 457
458 local temp="$(emktemp)" 458 local temp="$(emktemp)"
459 echo "int main() { return(0); }" > "${temp}".c 459 echo "int main() { return(0); }" > "${temp}".c
460 MY_CC=$(tc-getCC) 460 MY_CC=$(tc-getCC)
461 ${MY_CC/ .*/} -m64 -o "$(emktemp)" "${temp}".c > /dev/null 2>&1 461 ${MY_CC/ .*/} -m64 -o "$(emktemp)" "${temp}".c > /dev/null 2>&1
462 local ret=$? 462 local ret=$?

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