| 1 | # Copyright 1999-2004 Gentoo Foundation |
1 | # Copyright 1999-2004 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 1.82 2005/02/07 17:50:24 solar Exp $ |
3 | # $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.83 2005/02/19 07:11:31 mr_bones_ Exp $ |
| 4 | # |
4 | # |
| 5 | # Author Bart Verwilst <verwilst@gentoo.org> |
5 | # Author Bart Verwilst <verwilst@gentoo.org> |
| 6 | |
6 | |
| 7 | ECLASS=flag-o-matic |
7 | ECLASS=flag-o-matic |
| 8 | INHERITED="$INHERITED $ECLASS" |
8 | INHERITED="$INHERITED $ECLASS" |
| … | |
… | |
| 96 | export UNSTABLE_FLAGS="-Os -O3 -freorder-blocks -fprefetch-loop-arrays" |
96 | export UNSTABLE_FLAGS="-Os -O3 -freorder-blocks -fprefetch-loop-arrays" |
| 97 | return 0 |
97 | return 0 |
| 98 | } |
98 | } |
| 99 | |
99 | |
| 100 | filter-flags() { |
100 | filter-flags() { |
| 101 | local x f fset |
101 | local x f fset |
| 102 | declare -a new_CFLAGS new_CXXFLAGS |
102 | declare -a new_CFLAGS new_CXXFLAGS |
| 103 | |
103 | |
| 104 | for x in "$@" ; do |
104 | for x in "$@" ; do |
| 105 | case "${x}" in |
105 | case "${x}" in |
| 106 | -fPIC|-fpic|-fPIE|-fpie|-pie) |
106 | -fPIC|-fpic|-fPIE|-fpie|-pie) |
| … | |
… | |
| 144 | -n "`is-flag -fno-stack-protector-all`" ] && fstack-flags |
144 | -n "`is-flag -fno-stack-protector-all`" ] && fstack-flags |
| 145 | return 0 |
145 | return 0 |
| 146 | } |
146 | } |
| 147 | |
147 | |
| 148 | replace-flags() { |
148 | replace-flags() { |
| 149 | local f fset |
149 | local f fset |
| 150 | declare -a new_CFLAGS new_CXXFLAGS |
150 | declare -a new_CFLAGS new_CXXFLAGS |
| 151 | |
151 | |
| 152 | for fset in CFLAGS CXXFLAGS; do |
152 | for fset in CFLAGS CXXFLAGS; do |
| 153 | # Looping over the flags instead of using a global |
153 | # Looping over the flags instead of using a global |
| 154 | # substitution ensures that we're working with flag atoms. |
154 | # substitution ensures that we're working with flag atoms. |
| … | |
… | |
| 331 | test_version_info pie && return 0 |
331 | test_version_info pie && return 0 |
| 332 | return 1 |
332 | return 1 |
| 333 | } |
333 | } |
| 334 | |
334 | |
| 335 | # indicate whether PIE is set |
335 | # indicate whether PIE is set |
| 336 | has_pie() { |
336 | has_pie() { |
| 337 | [ "${CFLAGS/-fPIE}" != "${CFLAGS}" ] && return 0 |
337 | [ "${CFLAGS/-fPIE}" != "${CFLAGS}" ] && return 0 |
| 338 | [ "${CFLAGS/-fpie}" != "${CFLAGS}" ] && return 0 |
338 | [ "${CFLAGS/-fpie}" != "${CFLAGS}" ] && return 0 |
| 339 | [ "$(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIE__)" ] && return 0 |
339 | [ "$(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIE__)" ] && return 0 |
| 340 | # test PIC while waiting for specs to be updated to generate __PIE__ |
340 | # test PIC while waiting for specs to be updated to generate __PIE__ |
| 341 | [ "$(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIC__)" ] && return 0 |
341 | [ "$(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIC__)" ] && return 0 |
| 342 | return 1 |
342 | return 1 |
| 343 | } |
343 | } |
| 344 | |
344 | |
| 345 | # indicate whether code for SSP is being generated |
345 | # indicate whether code for SSP is being generated |
| 346 | has_ssp() { |
346 | has_ssp() { |
| 347 | # note; this matches both -fstack-protector and -fstack-protector-all |
347 | # note; this matches both -fstack-protector and -fstack-protector-all |
| 348 | [ "${CFLAGS/-fstack-protector}" != "${CFLAGS}" ] && return 0 |
348 | [ "${CFLAGS/-fstack-protector}" != "${CFLAGS}" ] && return 0 |
| 349 | [ "$(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP__)" ] && return 0 |
349 | [ "$(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP__)" ] && return 0 |
| … | |
… | |
| 384 | } |
384 | } |
| 385 | |
385 | |
| 386 | replace-sparc64-flags() { |
386 | replace-sparc64-flags() { |
| 387 | local SPARC64_CPUS="ultrasparc v9" |
387 | local SPARC64_CPUS="ultrasparc v9" |
| 388 | |
388 | |
| 389 | if [ "${CFLAGS/mtune}" != "${CFLAGS}" ]; then |
389 | if [ "${CFLAGS/mtune}" != "${CFLAGS}" ]; then |
| 390 | for x in ${SPARC64_CPUS}; do |
390 | for x in ${SPARC64_CPUS}; do |
| 391 | CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8}" |
391 | CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8}" |
| 392 | done |
392 | done |
| 393 | else |
393 | else |
| 394 | for x in ${SPARC64_CPUS}; do |
394 | for x in ${SPARC64_CPUS}; do |
| 395 | CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}" |
395 | CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}" |
| 396 | done |
396 | done |
| 397 | fi |
397 | fi |
| 398 | |
398 | |
| 399 | if [ "${CXXFLAGS/mtune}" != "${CXXFLAGS}" ]; then |
399 | if [ "${CXXFLAGS/mtune}" != "${CXXFLAGS}" ]; then |
| 400 | for x in ${SPARC64_CPUS}; do |
400 | for x in ${SPARC64_CPUS}; do |
| 401 | CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8}" |
401 | CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8}" |
| 402 | done |
402 | done |
| 403 | else |
403 | else |
| 404 | for x in ${SPARC64_CPUS}; do |
404 | for x in ${SPARC64_CPUS}; do |
| … | |
… | |
| 428 | return 0 |
428 | return 0 |
| 429 | } |
429 | } |
| 430 | |
430 | |
| 431 | fstack-flags() { |
431 | fstack-flags() { |
| 432 | if has_ssp; then |
432 | if has_ssp; then |
| 433 | [ -z "`is-flag -fno-stack-protector`" ] && |
433 | [ -z "`is-flag -fno-stack-protector`" ] && |
| 434 | export CFLAGS="${CFLAGS} `test_flag -fno-stack-protector`" |
434 | export CFLAGS="${CFLAGS} `test_flag -fno-stack-protector`" |
| 435 | fi |
435 | fi |
| 436 | return 0 |
436 | return 0 |
| 437 | } |
437 | } |
| 438 | |
438 | |
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