/[gentoo-x86]/eclass/toolchain-funcs.eclass
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1# Copyright 1999-2005 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 1.37 2005/07/01 22:31:40 dostrow Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.88 2009/03/28 11:09:27 vapier Exp $
4# 4
5# @ECLASS: toolchain-funcs.eclass
6# @MAINTAINER:
5# Author: Toolchain Ninjas <ninjas@gentoo.org> 7# Toolchain Ninjas <toolchain@gentoo.org>
6# 8# @BLURB: functions to query common info about the toolchain
7# This eclass contains (or should) functions to get common info 9# @DESCRIPTION:
8# about the toolchain (libc/compiler/binutils/etc...) 10# The toolchain-funcs aims to provide a complete suite of functions
11# for gleaning useful information about the toolchain and to simplify
12# ugly things like cross-compiling and multilib. All of this is done
13# in such a way that you can rely on the function always returning
14# something sane.
9 15
10inherit multilib 16___ECLASS_RECUR_TOOLCHAIN_FUNCS="yes"
11 17[[ -z ${___ECLASS_RECUR_MULTILIB} ]] && inherit multilib
12ECLASS=toolchain-funcs
13INHERITED="$INHERITED $ECLASS"
14 18
15DESCRIPTION="Based on the ${ECLASS} eclass" 19DESCRIPTION="Based on the ${ECLASS} eclass"
16 20
17tc-getPROG() { 21tc-getPROG() {
18 local var=$1 22 local var=$1
23 return 0 27 return 0
24 fi 28 fi
25 29
26 local search= 30 local search=
27 [[ -n $3 ]] && search=$(type -p "$3-${prog}") 31 [[ -n $3 ]] && search=$(type -p "$3-${prog}")
28 [[ -z ${search} && -n $(get_abi_CHOST) ]] && search=$(type -p "$(get_abi_CHOST)-${prog}")
29 [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}") 32 [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}")
30 [[ -n ${search} ]] && prog=${search##*/} 33 [[ -n ${search} ]] && prog=${search##*/}
31 34
32 export ${var}=${prog} 35 export ${var}=${prog}
33 echo "${!var}" 36 echo "${!var}"
34} 37}
35 38
36# Returns the name of the archiver 39# @FUNCTION: tc-getAR
40# @USAGE: [toolchain prefix]
41# @RETURN: name of the archiver
37tc-getAR() { tc-getPROG AR ar "$@"; } 42tc-getAR() { tc-getPROG AR ar "$@"; }
38# Returns the name of the assembler 43# @FUNCTION: tc-getAS
44# @USAGE: [toolchain prefix]
45# @RETURN: name of the assembler
39tc-getAS() { tc-getPROG AS as "$@"; } 46tc-getAS() { tc-getPROG AS as "$@"; }
47# @FUNCTION: tc-getCC
48# @USAGE: [toolchain prefix]
40# Returns the name of the C compiler 49# @RETURN: name of the C compiler
41tc-getCC() { tc-getPROG CC gcc "$@"; } 50tc-getCC() { tc-getPROG CC gcc "$@"; }
51# @FUNCTION: tc-getCPP
52# @USAGE: [toolchain prefix]
53# @RETURN: name of the C preprocessor
54tc-getCPP() { tc-getPROG CPP cpp "$@"; }
55# @FUNCTION: tc-getCXX
56# @USAGE: [toolchain prefix]
42# Returns the name of the C++ compiler 57# @RETURN: name of the C++ compiler
43tc-getCXX() { tc-getPROG CXX g++ "$@"; } 58tc-getCXX() { tc-getPROG CXX g++ "$@"; }
44# Returns the name of the linker 59# @FUNCTION: tc-getLD
60# @USAGE: [toolchain prefix]
61# @RETURN: name of the linker
45tc-getLD() { tc-getPROG LD ld "$@"; } 62tc-getLD() { tc-getPROG LD ld "$@"; }
63# @FUNCTION: tc-getSTRIP
64# @USAGE: [toolchain prefix]
65# @RETURN: name of the strip program
66tc-getSTRIP() { tc-getPROG STRIP strip "$@"; }
67# @FUNCTION: tc-getNM
68# @USAGE: [toolchain prefix]
46# Returns the name of the symbol/object thingy 69# @RETURN: name of the symbol/object thingy
47tc-getNM() { tc-getPROG NM nm "$@"; } 70tc-getNM() { tc-getPROG NM nm "$@"; }
71# @FUNCTION: tc-getRANLIB
72# @USAGE: [toolchain prefix]
48# Returns the name of the archiver indexer 73# @RETURN: name of the archiver indexer
49tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; } 74tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; }
50# Returns the name of the fortran compiler 75# @FUNCTION: tc-getOBJCOPY
76# @USAGE: [toolchain prefix]
77# @RETURN: name of the object copier
78tc-getOBJCOPY() { tc-getPROG OBJCOPY objcopy "$@"; }
79# @FUNCTION: tc-getF77
80# @USAGE: [toolchain prefix]
81# @RETURN: name of the Fortran 77 compiler
51tc-getF77() { tc-getPROG F77 f77 "$@"; } 82tc-getF77() { tc-getPROG F77 f77 "$@"; }
83# @FUNCTION: tc-getFC
84# @USAGE: [toolchain prefix]
85# @RETURN: name of the Fortran 90 compiler
86tc-getFC() { tc-getPROG FC gfortran "$@"; }
87# @FUNCTION: tc-getGCJ
88# @USAGE: [toolchain prefix]
52# Returns the name of the java compiler 89# @RETURN: name of the java compiler
53tc-getGCJ() { tc-getPROG GCJ gcj "$@"; } 90tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
54 91
55# Returns the name of the C compiler for build 92# @FUNCTION: tc-getBUILD_CC
93# @USAGE: [toolchain prefix]
94# @RETURN: name of the C compiler for building binaries to run on the build machine
56tc-getBUILD_CC() { 95tc-getBUILD_CC() {
96 local v
97 for v in CC_FOR_BUILD BUILD_CC HOSTCC ; do
57 if [[ -n ${CC_FOR_BUILD} ]] ; then 98 if [[ -n ${!v} ]] ; then
58 export BUILD_CC=${CC_FOR_BUILD} 99 export BUILD_CC=${!v}
59 echo "${CC_FOR_BUILD}" 100 echo "${!v}"
60 return 0 101 return 0
61 fi 102 fi
103 done
62 104
63 local search= 105 local search=
64 if [[ -n ${CBUILD} ]] ; then 106 if [[ -n ${CBUILD} ]] ; then
65 search=$(type -p ${CBUILD}-gcc) 107 search=$(type -p ${CBUILD}-gcc)
66 search=${search##*/} 108 search=${search##*/}
67 else
68 search=gcc
69 fi 109 fi
110 search=${search:-gcc}
70 111
71 export BUILD_CC=${search} 112 export BUILD_CC=${search}
72 echo "${search}" 113 echo "${search}"
73} 114}
74 115
116# @FUNCTION: tc-export
117# @USAGE: <list of toolchain variables>
118# @DESCRIPTION:
75# Quick way to export a bunch of vars at once 119# Quick way to export a bunch of compiler vars at once.
76tc-export() { 120tc-export() {
77 local var 121 local var
78 for var in "$@" ; do 122 for var in "$@" ; do
123 [[ $(type -t tc-get${var}) != "function" ]] && die "tc-export: invalid export variable '${var}'"
79 eval tc-get${var} > /dev/null 124 eval tc-get${var} > /dev/null
80 done 125 done
81} 126}
82 127
83# A simple way to see if we're using a cross-compiler ... 128# @FUNCTION: tc-is-cross-compiler
129# @RETURN: Shell true if we are using a cross-compiler, shell false otherwise
84tc-is-cross-compiler() { 130tc-is-cross-compiler() {
85 if [[ -n ${CBUILD} ]] ; then
86 return $([[ ${CBUILD} != ${CHOST} ]]) 131 return $([[ ${CBUILD:-${CHOST}} != ${CHOST} ]])
87 fi
88 return 1
89} 132}
90 133
134# @FUNCTION: tc-is-softfloat
135# @DESCRIPTION:
136# See if this toolchain is a softfloat based one.
137# @CODE
138# The possible return values:
139# - only: the target is always softfloat (never had fpu)
140# - yes: the target should support softfloat
141# - no: the target should support hardfloat
142# @CODE
143# This allows us to react differently where packages accept
144# softfloat flags in the case where support is optional, but
145# rejects softfloat flags where the target always lacks an fpu.
146tc-is-softfloat() {
147 case ${CTARGET} in
148 bfin*|h8300*)
149 echo "only" ;;
150 *)
151 [[ ${CTARGET//_/-} == *-softfloat-* ]] \
152 && echo "yes" \
153 || echo "no"
154 ;;
155 esac
156}
91 157
92# Parse information from CBUILD/CHOST/CTARGET rather than 158# Parse information from CBUILD/CHOST/CTARGET rather than
93# use external variables from the profile. 159# use external variables from the profile.
94tc-ninja_magic_to_arch() { 160tc-ninja_magic_to_arch() {
95ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; } 161ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
96 162
97 local type=$1 163 local type=$1
98 local host=$2 164 local host=$2
99 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}} 165 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
100 166
101 case ${host} in 167 case ${host} in
102 alpha*) echo alpha;; 168 alpha*) echo alpha;;
103 x86_64*) ninj x86_64 amd64;;
104 arm*) echo arm;; 169 arm*) echo arm;;
170 avr*) ninj avr32 avr;;
171 bfin*) ninj blackfin bfin;;
172 cris*) echo cris;;
105 hppa*) ninj parisc hppa;; 173 hppa*) ninj parisc hppa;;
174 i?86*)
175 # Starting with linux-2.6.24, the 'x86_64' and 'i386'
176 # trees have been unified into 'x86'.
177 # FreeBSD still uses i386
178 if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -lt $(KV_to_int 2.6.24) || ${host} == *freebsd* ]] ; then
179 echo i386
180 else
181 echo x86
182 fi
183 ;;
106 ia64*) echo ia64;; 184 ia64*) echo ia64;;
107 m68*) echo m68k;; 185 m68*) echo m68k;;
108 mips*) echo mips;; 186 mips*) echo mips;;
109 powerpc64*) echo ppc64;; 187 nios2*) echo nios2;;
188 nios*) echo nios;;
189 powerpc*)
190 # Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees
191 # have been unified into simply 'powerpc', but until 2.6.16,
192 # ppc32 is still using ARCH="ppc" as default
193 if [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.16) ]] && [[ ${type} == "kern" ]] ; then
194 echo powerpc
195 elif [[ $(KV_to_int ${KV}) -eq $(KV_to_int 2.6.15) ]] && [[ ${type} == "kern" ]] ; then
196 if [[ ${host} == powerpc64* ]] || [[ ${PROFILE_ARCH} == "ppc64" ]] ; then
197 echo powerpc
198 else
199 echo ppc
200 fi
201 elif [[ ${host} == powerpc64* ]] ; then
202 echo ppc64
110 powerpc*) [[ ${PROFILE_ARCH} == "ppc64" ]] \ 203 elif [[ ${PROFILE_ARCH} == "ppc64" ]] ; then
111 && ninj ppc64 ppc \ 204 ninj ppc64 ppc
205 else
112 || echo ppc 206 echo ppc
207 fi
113 ;; 208 ;;
209 s390*) echo s390;;
210 sh64*) ninj sh64 sh;;
211 sh*) echo sh;;
114 sparc64*) ninj sparc64 sparc;; 212 sparc64*) ninj sparc64 sparc;;
115 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \ 213 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
116 && ninj sparc64 sparc \ 214 && ninj sparc64 sparc \
117 || echo sparc 215 || echo sparc
118 ;; 216 ;;
119 s390*) echo s390;; 217 vax*) echo vax;;
120 sh64*) ninj sh64 sh;; 218 x86_64*)
121 sh*) echo sh;; 219 # Starting with linux-2.6.24, the 'x86_64' and 'i386'
122 i?86*) ninj i386 x86;; 220 # trees have been unified into 'x86'.
123 *) echo ${ARCH};; 221 if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.24) ]] ; then
222 echo x86
223 else
224 ninj x86_64 amd64
225 fi
226 ;;
227
228 # since our usage of tc-arch is largely concerned with
229 # normalizing inputs for testing ${CTARGET}, let's filter
230 # other cross targets (mingw and such) into the unknown.
231 *) echo unknown;;
124 esac 232 esac
125} 233}
234# @FUNCTION: tc-arch-kernel
235# @USAGE: [toolchain prefix]
236# @RETURN: name of the kernel arch according to the compiler target
126tc-arch-kernel() { 237tc-arch-kernel() {
127 tc-ninja_magic_to_arch kern $@ 238 tc-ninja_magic_to_arch kern "$@"
128} 239}
240# @FUNCTION: tc-arch
241# @USAGE: [toolchain prefix]
242# @RETURN: name of the portage arch according to the compiler target
129tc-arch() { 243tc-arch() {
130 tc-ninja_magic_to_arch portage $@ 244 tc-ninja_magic_to_arch portage "$@"
131} 245}
246
132tc-endian() { 247tc-endian() {
133 local host=$1 248 local host=$1
134 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}} 249 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
135 host=${host%%-*} 250 host=${host%%-*}
136 251
137 case ${host} in 252 case ${host} in
138 alpha*) echo big;; 253 alpha*) echo big;;
139 x86_64*) echo little;;
140 arm*b*) echo big;; 254 arm*b*) echo big;;
141 arm*) echo little;; 255 arm*) echo little;;
256 cris*) echo little;;
142 hppa*) echo big;; 257 hppa*) echo big;;
258 i?86*) echo little;;
143 ia64*) echo little;; 259 ia64*) echo little;;
144 m68*) echo big;; 260 m68*) echo big;;
145 mips*l*) echo little;; 261 mips*l*) echo little;;
146 mips*) echo big;; 262 mips*) echo big;;
147 powerpc*) echo big;; 263 powerpc*) echo big;;
148 sparc*) echo big;;
149 s390*) echo big;; 264 s390*) echo big;;
150 sh*b*) echo big;; 265 sh*b*) echo big;;
151 sh*) echo little;; 266 sh*) echo little;;
267 sparc*) echo big;;
152 i?86*) echo little;; 268 x86_64*) echo little;;
153 *) echo wtf;; 269 *) echo wtf;;
154 esac 270 esac
155} 271}
156 272
157# Returns the version as by `$CC -dumpversion` 273# @FUNCTION: gcc-fullversion
274# @RETURN: compiler version (major.minor.micro: [3.4.6])
158gcc-fullversion() { 275gcc-fullversion() {
159 echo "$($(tc-getCC) -dumpversion)" 276 $(tc-getCC "$@") -dumpversion
160} 277}
161# Returns the version, but only the <major>.<minor> 278# @FUNCTION: gcc-version
279# @RETURN: compiler version (major.minor: [3.4].6)
162gcc-version() { 280gcc-version() {
163 echo "$(gcc-fullversion | cut -f1,2 -d.)" 281 gcc-fullversion "$@" | cut -f1,2 -d.
164} 282}
165# Returns the Major version 283# @FUNCTION: gcc-major-version
284# @RETURN: major compiler version (major: [3].4.6)
166gcc-major-version() { 285gcc-major-version() {
167 echo "$(gcc-version | cut -f1 -d.)" 286 gcc-version "$@" | cut -f1 -d.
168} 287}
169# Returns the Minor version 288# @FUNCTION: gcc-minor-version
289# @RETURN: minor compiler version (minor: 3.[4].6)
170gcc-minor-version() { 290gcc-minor-version() {
171 echo "$(gcc-version | cut -f2 -d.)" 291 gcc-version "$@" | cut -f2 -d.
172} 292}
173# Returns the Micro version 293# @FUNCTION: gcc-micro-version
294# @RETURN: micro compiler version (micro: 3.4.[6])
174gcc-micro-version() { 295gcc-micro-version() {
175 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)" 296 gcc-fullversion "$@" | cut -f3 -d. | cut -f1 -d-
176} 297}
298
299# Returns the installation directory - internal toolchain
300# function for use by _gcc-specs-exists (for flag-o-matic).
301_gcc-install-dir() {
302 echo "$(LC_ALL=C $(tc-getCC) -print-search-dirs 2> /dev/null |\
303 awk '$1=="install:" {print $2}')"
304}
305# Returns true if the indicated specs file exists - internal toolchain
306# function for use by flag-o-matic.
307_gcc-specs-exists() {
308 [[ -f $(_gcc-install-dir)/$1 ]]
309}
310
311# Returns requested gcc specs directive unprocessed - for used by
312# gcc-specs-directive()
313# Note; later specs normally overwrite earlier ones; however if a later
314# spec starts with '+' then it appends.
315# gcc -dumpspecs is parsed first, followed by files listed by "gcc -v"
316# as "Reading <file>", in order. Strictly speaking, if there's a
317# $(gcc_install_dir)/specs, the built-in specs aren't read, however by
318# the same token anything from 'gcc -dumpspecs' is overridden by
319# the contents of $(gcc_install_dir)/specs so the result is the
320# same either way.
321_gcc-specs-directive_raw() {
322 local cc=$(tc-getCC)
323 local specfiles=$(LC_ALL=C ${cc} -v 2>&1 | awk '$1=="Reading" {print $NF}')
324 ${cc} -dumpspecs 2> /dev/null | cat - ${specfiles} | awk -v directive=$1 \
325'BEGIN { pspec=""; spec=""; outside=1 }
326$1=="*"directive":" { pspec=spec; spec=""; outside=0; next }
327 outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next }
328 spec=="" && substr($0,1,1)=="+" { spec=pspec " " substr($0,2); next }
329 { spec=spec $0 }
330END { print spec }'
331 return 0
332}
333
334# Return the requested gcc specs directive, with all included
335# specs expanded.
336# Note, it does not check for inclusion loops, which cause it
337# to never finish - but such loops are invalid for gcc and we're
338# assuming gcc is operational.
339gcc-specs-directive() {
340 local directive subdname subdirective
341 directive="$(_gcc-specs-directive_raw $1)"
342 while [[ ${directive} == *%\(*\)* ]]; do
343 subdname=${directive/*%\(}
344 subdname=${subdname/\)*}
345 subdirective="$(_gcc-specs-directive_raw ${subdname})"
346 directive="${directive//\%(${subdname})/${subdirective}}"
347 done
348 echo "${directive}"
349 return 0
350}
351
352# Returns true if gcc sets relro
353gcc-specs-relro() {
354 local directive
355 directive=$(gcc-specs-directive link_command)
356 return $([[ "${directive/\{!norelro:}" != "${directive}" ]])
357}
358# Returns true if gcc sets now
359gcc-specs-now() {
360 local directive
361 directive=$(gcc-specs-directive link_command)
362 return $([[ "${directive/\{!nonow:}" != "${directive}" ]])
363}
364# Returns true if gcc builds PIEs
365gcc-specs-pie() {
366 local directive
367 directive=$(gcc-specs-directive cc1)
368 return $([[ "${directive/\{!nopie:}" != "${directive}" ]])
369}
370# Returns true if gcc builds with the stack protector
371gcc-specs-ssp() {
372 local directive
373 directive=$(gcc-specs-directive cc1)
374 return $([[ "${directive/\{!fno-stack-protector:}" != "${directive}" ]])
375}
376# Returns true if gcc upgrades fstack-protector to fstack-protector-all
377gcc-specs-ssp-to-all() {
378 local directive
379 directive=$(gcc-specs-directive cc1)
380 return $([[ "${directive/\{!fno-stack-protector-all:}" != "${directive}" ]])
381}
382# Returns true if gcc builds with fno-strict-overflow
383gcc-specs-nostrict() {
384 local directive
385 directive=$(gcc-specs-directive cc1)
386 return $([[ "${directive/\{!fstrict-overflow:}" != "${directive}" ]])
387}
388
389
390# @FUNCTION: gen_usr_ldscript
391# @USAGE: [-a] <list of libs to create linker scripts for>
392# @DESCRIPTION:
393# This function generate linker scripts in /usr/lib for dynamic
394# libs in /lib. This is to fix linking problems when you have
395# the .so in /lib, and the .a in /usr/lib. What happens is that
396# in some cases when linking dynamic, the .a in /usr/lib is used
397# instead of the .so in /lib due to gcc/libtool tweaking ld's
398# library search path. This causes many builds to fail.
399# See bug #4411 for more info.
400#
401# Note that you should in general use the unversioned name of
402# the library (libfoo.so), as ldconfig should usually update it
403# correctly to point to the latest version of the library present.
404gen_usr_ldscript() {
405 local lib libdir=$(get_libdir) output_format="" auto=false suffix=$(get_libname)
406 # Just make sure it exists
407 dodir /usr/${libdir}
408
409 if [[ $1 == "-a" ]] ; then
410 auto=true
411 shift
412 dodir /${libdir}
413 fi
414
415 # OUTPUT_FORMAT gives hints to the linker as to what binary format
416 # is referenced ... makes multilib saner
417 output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 | sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p')
418 [[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )"
419
420 for lib in "$@" ; do
421 if [[ ${USERLAND} == "Darwin" ]] ; then
422 ewarn "Not creating fake dynamic library for $lib on Darwin;"
423 ewarn "making a symlink instead."
424 dosym "/${libdir}/${lib}" "/usr/${libdir}/${lib}"
425 else
426 local tlib
427 if ${auto} ; then
428 lib="lib${lib}${suffix}"
429 tlib=$(scanelf -qF'%S#F' "${D}"/usr/${libdir}/${lib})
430 mv "${D}"/usr/${libdir}/${lib}* "${D}"/${libdir}/ || die
431 # some SONAMEs are funky: they encode a version before the .so
432 if [[ ${tlib} != ${lib}* ]] ; then
433 mv "${D}"/usr/${libdir}/${tlib}* "${D}"/${libdir}/ || die
434 fi
435 [[ -z ${tlib} ]] && die "unable to read SONAME from ${lib}"
436 rm -f "${D}"/${libdir}/${lib}
437 else
438 tlib=${lib}
439 fi
440 cat > "${D}/usr/${libdir}/${lib}" <<-END_LDSCRIPT
441 /* GNU ld script
442 Since Gentoo has critical dynamic libraries in /lib, and the static versions
443 in /usr/lib, we need to have a "fake" dynamic lib in /usr/lib, otherwise we
444 run into linking problems. This "fake" dynamic lib is a linker script that
445 redirects the linker to the real lib. And yes, this works in the cross-
446 compiling scenario as the sysroot-ed linker will prepend the real path.
447
448 See bug http://bugs.gentoo.org/4411 for more info.
449 */
450 ${output_format}
451 GROUP ( /${libdir}/${tlib} )
452 END_LDSCRIPT
453 fperms a+x "/usr/${libdir}/${lib}" || die "could not change perms on ${lib}"
454 fi
455 done
456}

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