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1# Copyright 1999-2004 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 1.62 2004/07/15 04:59:44 lv Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.85 2005/04/06 23:29:23 vapier Exp $
4#
5# Author Bart Verwilst <verwilst@gentoo.org>
6 4
7ECLASS=flag-o-matic 5ECLASS=flag-o-matic
8INHERITED="$INHERITED $ECLASS" 6INHERITED="$INHERITED $ECLASS"
7
9IUSE="$IUSE debug" 8IUSE="debug"
9
10# need access to emktemp()
11inherit eutils toolchain-funcs multilib
10 12
11# 13#
12#### filter-flags <flags> #### 14#### filter-flags <flags> ####
13# Remove particular flags from C[XX]FLAGS 15# Remove particular flags from C[XX]FLAGS
14# Matches only complete flags 16# Matches only complete flags
17# Add extra flags to your current C[XX]FLAGS 19# Add extra flags to your current C[XX]FLAGS
18# 20#
19#### replace-flags <orig.flag> <new.flag> ### 21#### replace-flags <orig.flag> <new.flag> ###
20# Replace a flag by another one 22# Replace a flag by another one
21# 23#
22#### replace-cpu-flags <new.cpu> <old.cpus> ### 24#### replace-cpu-flags <old.cpus> <new.cpu> ###
23# Replace march/mcpu flags that specify <old.cpus> 25# Replace march/mcpu flags that specify <old.cpus>
24# with flags that specify <new.cpu> 26# with flags that specify <new.cpu>
25# 27#
26#### is-flag <flag> #### 28#### is-flag <flag> ####
27# Returns "true" if flag is set in C[XX]FLAGS 29# Returns "true" if flag is set in C[XX]FLAGS
51# Add extra flags to your current LDFLAGS 53# Add extra flags to your current LDFLAGS
52# 54#
53#### filter-ldflags <flags> #### 55#### filter-ldflags <flags> ####
54# Remove particular flags from LDFLAGS 56# Remove particular flags from LDFLAGS
55# Matches only complete flags 57# Matches only complete flags
56#
57#### etexec-flags ####
58# hooked function for hardened gcc that appends
59# -fno-pic to {C,CXX,LD}FLAGS
60# when a package is filtering -fpic, -fPIC, -fpie, -fPIE
61# 58#
62#### fstack-flags #### 59#### fstack-flags ####
63# hooked function for hardened gcc that appends 60# hooked function for hardened gcc that appends
64# -fno-stack-protector to {C,CXX,LD}FLAGS 61# -fno-stack-protector to {C,CXX,LD}FLAGS
65# when a package is filtering -fstack-protector, -fstack-protector-all 62# when a package is filtering -fstack-protector, -fstack-protector-all
67# when only -fno-stack-protector is given 64# when only -fno-stack-protector is given
68# 65#
69 66
70# C[XX]FLAGS that we allow in strip-flags 67# C[XX]FLAGS that we allow in strip-flags
71setup-allowed-flags() { 68setup-allowed-flags() {
72 if [ -z "${ALLOWED_FLAGS}" ] ; then 69 if [[ -z ${ALLOWED_FLAGS} ]] ; then
73 export ALLOWED_FLAGS="-O -O1 -O2 -mcpu -march -mtune -fstack-protector -fno-unit-at-a-time -pipe -g" 70 export ALLOWED_FLAGS="-pipe"
74 case "${ARCH}" in 71 export ALLOWED_FLAGS="${ALLOWED_FLAGS} -O -O0 -O1 -O2 -mcpu -march -mtune"
72 export ALLOWED_FLAGS="${ALLOWED_FLAGS} -fstack-protector -fno-stack-protector"
73 export ALLOWED_FLAGS="${ALLOWED_FLAGS} -fno-pie -fno-unit-at-a-time"
74 export ALLOWED_FLAGS="${ALLOWED_FLAGS} -g -g0 -g1 -g2 -g3 -ggdb -ggdb0 -ggdb1 -ggdb2 -ggdb3"
75 case $(tc-arch) in
75 mips) ALLOWED_FLAGS="${ALLOWED_FLAGS} -mips1 -mips2 -mips3 -mips4 -mabi" ;; 76 mips) ALLOWED_FLAGS="${ALLOWED_FLAGS} -mips1 -mips2 -mips3 -mips4 -mips32 -mips64 -mips16 -EL -EB -mabi" ;;
76 amd64) ALLOWED_FLAGS="${ALLOWED_FLAGS} -fPIC -m64" ;; 77 amd64) ALLOWED_FLAGS="${ALLOWED_FLAGS} -fPIC -m64" ;;
77 x86) ALLOWED_FLAGS="${ALLOWED_FLAGS} -m32" ;; 78 x86) ALLOWED_FLAGS="${ALLOWED_FLAGS} -m32" ;;
78 alpha) ALLOWED_FLAGS="${ALLOWED_FLAGS} -fPIC" ;; 79 alpha) ALLOWED_FLAGS="${ALLOWED_FLAGS} -fPIC" ;;
79 ia64) ALLOWED_FLAGS="${ALLOWED_FLAGS} -fPIC" ;; 80 ia64) ALLOWED_FLAGS="${ALLOWED_FLAGS} -fPIC" ;;
81 sparc) ALLOWED_FLAGS="${ALLOWED_FLAGS} -m32 -m64" ;;
82 ppc) ALLOWED_FLAGS="${ALLOWED_FLAGS} -mabi" ;;
80 esac 83 esac
81 fi 84 fi
85 # allow a bunch of flags that negate features / control ABI
86 ALLOWED_FLAGS="${ALLOWED_FLAGS} -fno-stack-protector -fno-stack-protector-all"
87 case $(tc-arch) in
88 x86|amd64|ia64) ALLOWED_FLAGS="${ALLOWED_FLAGS} -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-3dnow" ;;
89 esac
90 ALLOWED_FLAGS="${ALLOWED_FLAGS} -mregparm -mno-app-regs -mapp-regs -msoft-float -mflat -mno-faster-structs -mfaster-structs -mlittle-endian -mbig-endian -mlive-g0 -mcmodel -mno-stack-bias -mstack-bias"
82 91
83 # C[XX]FLAGS that we are think is ok, but needs testing 92 # C[XX]FLAGS that we are think is ok, but needs testing
84 # NOTE: currently -Os have issues with gcc3 and K6* arch's 93 # NOTE: currently -Os have issues with gcc3 and K6* arch's
85 export UNSTABLE_FLAGS="-Os -O3 -freorder-blocks -fprefetch-loop-arrays" 94 export UNSTABLE_FLAGS="-Os -O3 -freorder-blocks -fprefetch-loop-arrays"
86 return 0 95 return 0
87} 96}
88 97
89filter-flags() { 98filter-flags() {
90 local x f fset 99 local x f fset
91 declare -a new_CFLAGS new_CXXFLAGS 100 declare -a new_CFLAGS new_CXXFLAGS
92 101
93 for x in "$@" ; do 102 for x in "$@" ; do
94 case "${x}" in 103 case "${x}" in
95 -fPIC|-fpic|-fPIE|-fpie|-pie) etexec-flags;; 104 -fPIC|-fpic|-fPIE|-fpie|-pie)
105 append-flags `test_flag -fno-pie`;;
96 -fstack-protector|-fstack-protector-all) fstack-flags;; 106 -fstack-protector|-fstack-protector-all)
107 fstack-flags;;
97 esac 108 esac
98 done 109 done
99 110
100 for fset in CFLAGS CXXFLAGS; do 111 for fset in CFLAGS CXXFLAGS; do
112 # Looping over the flags instead of using a global
113 # substitution ensures that we're working with flag atoms.
114 # Otherwise globs like -O* have the potential to wipe out the
115 # list of flags.
101 for f in ${!fset}; do 116 for f in ${!fset}; do
102 for x in "$@"; do 117 for x in "$@"; do
103 # Note this should work with globs like -O* 118 # Note this should work with globs like -O*
104 [[ ${f} == ${x} ]] && continue 2 119 [[ ${f} == ${x} ]] && continue 2
105 done 120 done
118append-lfs-flags() { 133append-lfs-flags() {
119 append-flags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE 134 append-flags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
120} 135}
121 136
122append-flags() { 137append-flags() {
138 [[ -z $* ]] && return 0
123 export CFLAGS="${CFLAGS} $*" 139 export CFLAGS="${CFLAGS} $*"
124 export CXXFLAGS="${CXXFLAGS} $*" 140 export CXXFLAGS="${CXXFLAGS} $*"
125 [ -n "`is-flag -fno-stack-protector`" -o \ 141 [ -n "`is-flag -fno-stack-protector`" -o \
126 -n "`is-flag -fno-stack-protector-all`" ] && fstack-flags 142 -n "`is-flag -fno-stack-protector-all`" ] && fstack-flags
127 return 0 143 return 0
128} 144}
129 145
130replace-flags() { 146replace-flags() {
131 # we do this fancy spacing stuff so as to not filter 147 local f fset
132 # out part of a flag ... we want flag atoms ! :D 148 declare -a new_CFLAGS new_CXXFLAGS
133 CFLAGS=" ${CFLAGS} " 149
134 CXXFLAGS=" ${CXXFLAGS} " 150 for fset in CFLAGS CXXFLAGS; do
135 CFLAGS="${CFLAGS// ${1} / ${2} }" 151 # Looping over the flags instead of using a global
136 CXXFLAGS="${CXXFLAGS// ${1} / ${2} }" 152 # substitution ensures that we're working with flag atoms.
137 CFLAGS="${CFLAGS:1:${#CFLAGS}-2}" 153 # Otherwise globs like -O* have the potential to wipe out the
138 CXXFLAGS="${CXXFLAGS:1:${#CXXFLAGS}-2}" 154 # list of flags.
139 export CFLAGS CXXFLAGS 155 for f in ${!fset}; do
156 # Note this should work with globs like -O*
157 [[ ${f} == ${1} ]] && f=${2}
158 eval new_${fset}\[\${\#new_${fset}\[@]}]=\${f}
159 done
160 eval export ${fset}=\${new_${fset}\[*]}
161 done
162
140 return 0 163 return 0
141} 164}
142 165
143replace-cpu-flags() { 166replace-cpu-flags() {
144 local oldcpu newcpu="$1" ; shift 167 local newcpu="$#" ; newcpu="${!newcpu}"
145 for oldcpu in "$@" ; do 168 while [ $# -gt 1 ] ; do
169 # quote to make sure that no globbing is done (particularly on
170 # ${oldcpu} prior to calling replace-flags
146 replace-flags -march=${oldcpu} -march=${newcpu} 171 replace-flags "-march=${1}" "-march=${newcpu}"
147 replace-flags -mcpu=${oldcpu} -mcpu=${newcpu} 172 replace-flags "-mcpu=${1}" "-mcpu=${newcpu}"
148 replace-flags -mtune=${oldcpu} -mtune=${newcpu} 173 replace-flags "-mtune=${1}" "-mtune=${newcpu}"
174 shift
149 done 175 done
150 return 0 176 return 0
151} 177}
152 178
153is-flag() { 179is-flag() {
154 local x 180 local x
155 181
156 for x in ${CFLAGS} ${CXXFLAGS} ; do 182 for x in ${CFLAGS} ${CXXFLAGS} ; do
183 # Note this should work with globs like -mcpu=ultrasparc*
157 if [ "${x}" == "$1" ] ; then 184 if [[ ${x} == ${1} ]]; then
158 echo true 185 echo true
159 return 0 186 return 0
160 fi 187 fi
161 done 188 done
162 return 1 189 return 1
195 222
196 local NEW_CFLAGS="" 223 local NEW_CFLAGS=""
197 local NEW_CXXFLAGS="" 224 local NEW_CXXFLAGS=""
198 225
199 # Allow unstable C[XX]FLAGS if we are using unstable profile ... 226 # Allow unstable C[XX]FLAGS if we are using unstable profile ...
200 if has ~${ARCH} ${ACCEPT_KEYWORDS} ; then 227 if has ~$(tc-arch) ${ACCEPT_KEYWORDS} ; then
201 use debug && einfo "Enabling the use of some unstable flags" 228 use debug && einfo "Enabling the use of some unstable flags"
202 ALLOWED_FLAGS="${ALLOWED_FLAGS} ${UNSTABLE_FLAGS}" 229 ALLOWED_FLAGS="${ALLOWED_FLAGS} ${UNSTABLE_FLAGS}"
203 fi 230 fi
204 231
205 set -f # disable pathname expansion 232 set -f # disable pathname expansion
206 233
207 for x in ${CFLAGS}; do 234 for x in ${CFLAGS}; do
208 for y in ${ALLOWED_FLAGS}; do 235 for y in ${ALLOWED_FLAGS}; do
209 flag=${x%%=*} 236 flag=${x%%=*}
210 if [ "${flag%%${y}}" = "" ]; then 237 if [ "${flag%%${y}}" = "" ] ; then
211 NEW_CFLAGS="${NEW_CFLAGS} ${x}" 238 NEW_CFLAGS="${NEW_CFLAGS} ${x}"
212 break 239 break
213 fi 240 fi
214 done 241 done
215 done 242 done
216 243
217 for x in ${CXXFLAGS}; do 244 for x in ${CXXFLAGS}; do
218 for y in ${ALLOWED_FLAGS}; do 245 for y in ${ALLOWED_FLAGS}; do
219 flag=${x%%=*} 246 flag=${x%%=*}
220 if [ "${flag%%${y}}" = "" ]; then 247 if [ "${flag%%${y}}" = "" ] ; then
221 NEW_CXXFLAGS="${NEW_CXXFLAGS} ${x}" 248 NEW_CXXFLAGS="${NEW_CXXFLAGS} ${x}"
222 break 249 break
223 fi 250 fi
224 done 251 done
225 done 252 done
238 export CXXFLAGS="${NEW_CXXFLAGS}" 265 export CXXFLAGS="${NEW_CXXFLAGS}"
239 return 0 266 return 0
240} 267}
241 268
242test_flag() { 269test_flag() {
243 local cc=${CC:-gcc} ; cc=${cc%% *} 270 if $(tc-getCC) -S -xc "$@" -o "$(emktemp)" /dev/null &>/dev/null; then
244 if ${cc} -S -xc "$@" -o /dev/null /dev/null &>/dev/null; then
245 printf "%s\n" "$*" 271 printf "%s\n" "$*"
246 return 0 272 return 0
247 fi 273 fi
248 return 1 274 return 1
249} 275}
250 276
251test_version_info() { 277test_version_info() {
252 local cc=${CC:-gcc} ; cc=${cc%% *}
253 if [[ $(${cc} --version 2>&1) == *$1* ]]; then 278 if [[ $($(tc-getCC) --version 2>&1) == *$1* ]]; then
254 return 0 279 return 0
255 else 280 else
256 return 1 281 return 1
257 fi 282 fi
258} 283}
287 done 312 done
288 return 1 313 return 1
289} 314}
290 315
291has_hardened() { 316has_hardened() {
292 test_version_info Hardened 317 test_version_info Hardened && return 0
318 # the specs file wont exist unless gcc has GCC_SPECS support
319 [ -f "${GCC_SPECS}" -a "${GCC_SPECS}" != "${GCC_SPECS/hardened/}" ] && \
320 return 0
293 return $? 321 return 1
294} 322}
295 323
324# indicate whether PIC is set
296has_pic() { 325has_pic() {
297 [ "${CFLAGS/-fPIC}" != "${CFLAGS}" ] && return 0 326 [ "${CFLAGS/-fPIC}" != "${CFLAGS}" ] && return 0
298 [ "${CFLAGS/-fpic}" != "${CFLAGS}" ] && return 0 327 [ "${CFLAGS/-fpic}" != "${CFLAGS}" ] && return 0
328 [ "$(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIC__)" ] && return 0
299 test_version_info pie && return 0 329 test_version_info pie && return 0
300 return 1 330 return 1
301} 331}
302 332
333# indicate whether PIE is set
303has_pie() { 334has_pie() {
304 [ "${CFLAGS/-fPIE}" != "${CFLAGS}" ] && return 0 335 [ "${CFLAGS/-fPIE}" != "${CFLAGS}" ] && return 0
305 [ "${CFLAGS/-fpie}" != "${CFLAGS}" ] && return 0 336 [ "${CFLAGS/-fpie}" != "${CFLAGS}" ] && return 0
306 test_version_info pie && return 0 337 [ "$(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIE__)" ] && return 0
338 # test PIC while waiting for specs to be updated to generate __PIE__
339 [ "$(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIC__)" ] && return 0
307 return 1 340 return 1
308} 341}
309 342
343# indicate whether code for SSP is being generated
310has_ssp() { 344has_ssp() {
345 # note; this matches both -fstack-protector and -fstack-protector-all
311 [ "${CFLAGS/-fstack-protector}" != "${CFLAGS}" ] && return 0 346 [ "${CFLAGS/-fstack-protector}" != "${CFLAGS}" ] && return 0
312 test_version_info ssp && return 0 347 [ "$(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP__)" ] && return 0
313 return 1 348 return 1
314} 349}
315 350
316has_m64() { 351has_m64() {
317 # this doesnt test if the flag is accepted, it tests if the flag 352 # this doesnt test if the flag is accepted, it tests if the flag
318 # actually -WORKS-. non-multilib gcc will take both -m32 and -m64! 353 # actually -WORKS-. non-multilib gcc will take both -m32 and -m64!
319 # please dont replace this function with test_flag in some future 354 # please dont replace this function with test_flag in some future
320 # clean-up! 355 # clean-up!
321 temp=`mktemp` 356 local temp="$(emktemp)"
322 echo "int main() { return(0); }" > ${temp}.c 357 echo "int main() { return(0); }" > ${temp}.c
323 ${CC/ .*/} -m64 -o /dev/null ${temp}.c > /dev/null 2>&1 358 MY_CC=$(tc-getCC)
324 ret=$? 359 ${MY_CC/ .*/} -m64 -o "$(emktemp)" ${temp}.c > /dev/null 2>&1
360 local ret=$?
325 rm -f ${temp}.c 361 rm -f ${temp}.c
326 [ "$ret" != "1" ] && return 0 362 [ "$ret" != "1" ] && return 0
327 return 1 363 return 1
328} 364}
329 365
330has_m32() { 366has_m32() {
331 # this doesnt test if the flag is accepted, it tests if the flag 367 # this doesnt test if the flag is accepted, it tests if the flag
332 # actually -WORKS-. non-multilib gcc will take both -m32 and -m64! 368 # actually -WORKS-. non-multilib gcc will take both -m32 and -m64!
333 # please dont replace this function with test_flag in some future 369 # please dont replace this function with test_flag in some future
334 # clean-up! 370 # clean-up!
335 temp=`mktemp` 371
372 [ "$(tc-arch)" = "amd64" ] && has_multilib_profile && return 0
373
374 local temp="$(emktemp)"
336 echo "int main() { return(0); }" > ${temp}.c 375 echo "int main() { return(0); }" > ${temp}.c
337 ${CC/ .*/} -m32 -o /dev/null ${temp}.c > /dev/null 2>&1 376 MY_CC=$(tc-getCC)
338 ret=$? 377 ${MY_CC/ .*/} -m32 -o "$(emktemp)" ${temp}.c > /dev/null 2>&1
378 local ret=$?
339 rm -f ${temp}.c 379 rm -f ${temp}.c
340 [ "$ret" != "1" ] && return 0 380 [ "$ret" != "1" ] && return 0
341 return 1 381 return 1
342} 382}
343 383
344replace-sparc64-flags() { 384replace-sparc64-flags() {
345 local SPARC64_CPUS="ultrasparc v9" 385 local SPARC64_CPUS="ultrasparc v9"
346 386
347 if [ "${CFLAGS/mtune}" != "${CFLAGS}" ]; then 387 if [ "${CFLAGS/mtune}" != "${CFLAGS}" ]; then
348 for x in ${SPARC64_CPUS}; do 388 for x in ${SPARC64_CPUS}; do
349 CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8}" 389 CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8}"
350 done 390 done
351 else 391 else
352 for x in ${SPARC64_CPUS}; do 392 for x in ${SPARC64_CPUS}; do
353 CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}" 393 CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}"
354 done 394 done
355 fi 395 fi
356 396
357 if [ "${CXXFLAGS/mtune}" != "${CXXFLAGS}" ]; then 397 if [ "${CXXFLAGS/mtune}" != "${CXXFLAGS}" ]; then
358 for x in ${SPARC64_CPUS}; do 398 for x in ${SPARC64_CPUS}; do
359 CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8}" 399 CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8}"
360 done 400 done
361 else 401 else
362 for x in ${SPARC64_CPUS}; do 402 for x in ${SPARC64_CPUS}; do
377 417
378 # we do this fancy spacing stuff so as to not filter 418 # we do this fancy spacing stuff so as to not filter
379 # out part of a flag ... we want flag atoms ! :D 419 # out part of a flag ... we want flag atoms ! :D
380 LDFLAGS=" ${LDFLAGS} " 420 LDFLAGS=" ${LDFLAGS} "
381 for x in "$@" ; do 421 for x in "$@" ; do
382 LDFLAGS="${LDFLAGS// ${x} / }" 422 LDFLAGS=${LDFLAGS// ${x} / }
383 done 423 done
424 [[ -z ${LDFLAGS// } ]] \
425 && LDFLAGS="" \
384 LDFLAGS="${LDFLAGS:1:${#LDFLAGS}-2}" 426 || LDFLAGS=${LDFLAGS:1:${#LDFLAGS}-2}
385 export LDFLAGS 427 export LDFLAGS
386 return 0
387}
388
389etexec-flags() {
390 # if you're not using a hardened compiler you wont need this
391 # PIC/no-pic kludge in the first place.
392 has_hardened || return 0
393
394 if has_pie || has_pic; then
395 [ -z "`is-flag -fno-pic`" ] &&
396 export CFLAGS="${CFLAGS} `test_flag -fno-pic`"
397 [ -z "`is-flag -nopie`" ] &&
398 export CFLAGS="${CFLAGS} `test_flag -nopie`"
399 fi
400 return 0 428 return 0
401} 429}
402 430
403fstack-flags() { 431fstack-flags() {
404 if has_ssp; then 432 if has_ssp; then
405 [ -z "`is-flag -fno-stack-protector`" ] && 433 [ -z "`is-flag -fno-stack-protector`" ] &&
406 export CFLAGS="${CFLAGS} `test_flag -fno-stack-protector`" 434 export CFLAGS="${CFLAGS} `test_flag -fno-stack-protector`"
407 fi 435 fi
408 return 0 436 return 0
409} 437}
438
439# This is thanks to great work from Paul de Vrieze <gentoo-user@devrieze.net>,
440# bug #9016. Also thanks to Jukka Salmi <salmi@gmx.net> (bug #13907) for more
441# fixes.
442#
443# Export CFLAGS and CXXFLAGS that are compadible with gcc-2.95.3
444gcc2-flags() {
445 if [[ $(tc-arch) == "x86" || $(tc-arch) == "amd64" ]] ; then
446 CFLAGS=${CFLAGS//-mtune=/-mcpu=}
447 CXXFLAGS=${CXXFLAGS//-mtune=/-mcpu=}
448 fi
449
450 replace-cpu-flags k6-{2,3} k6
451 replace-cpu-flags athlon{,-{tbird,4,xp,mp}} i686
452
453 replace-cpu-flags pentium-mmx i586
454 replace-cpu-flags pentium{2,3,4} i686
455
456 replace-cpu-flags ev6{7,8} ev6
457
458 export CFLAGS CXXFLAGS
459}

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