/[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 1.78 2008/07/03 05:26:47 dberkholz Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.104 2011/07/12 14:29:41 aballier 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
70tc-getNM() { tc-getPROG NM nm "$@"; } 70tc-getNM() { tc-getPROG NM nm "$@"; }
71# @FUNCTION: tc-getRANLIB 71# @FUNCTION: tc-getRANLIB
72# @USAGE: [toolchain prefix] 72# @USAGE: [toolchain prefix]
73# @RETURN: name of the archiver indexer 73# @RETURN: name of the archiver indexer
74tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; } 74tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; }
75# @FUNCTION: tc-getOBJCOPY
76# @USAGE: [toolchain prefix]
77# @RETURN: name of the object copier
78tc-getOBJCOPY() { tc-getPROG OBJCOPY objcopy "$@"; }
75# @FUNCTION: tc-getF77 79# @FUNCTION: tc-getF77
76# @USAGE: [toolchain prefix] 80# @USAGE: [toolchain prefix]
77# @RETURN: name of the Fortran 77 compiler 81# @RETURN: name of the Fortran 77 compiler
78tc-getF77() { tc-getPROG F77 f77 "$@"; } 82tc-getF77() { tc-getPROG F77 gfortran "$@"; }
79# @FUNCTION: tc-getFC 83# @FUNCTION: tc-getFC
80# @USAGE: [toolchain prefix] 84# @USAGE: [toolchain prefix]
81# @RETURN: name of the Fortran 90 compiler 85# @RETURN: name of the Fortran 90 compiler
82tc-getFC() { tc-getPROG FC gfortran "$@"; } 86tc-getFC() { tc-getPROG FC gfortran "$@"; }
83# @FUNCTION: tc-getGCJ 87# @FUNCTION: tc-getGCJ
84# @USAGE: [toolchain prefix] 88# @USAGE: [toolchain prefix]
85# @RETURN: name of the java compiler 89# @RETURN: name of the java compiler
86tc-getGCJ() { tc-getPROG GCJ gcj "$@"; } 90tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
91# @FUNCTION: tc-getPKG_CONFIG
92# @USAGE: [toolchain prefix]
93# @RETURN: name of the pkg-config tool
94tc-getPKG_CONFIG() { tc-getPROG PKG_CONFIG pkg-config "$@"; }
95# @FUNCTION: tc-getRC
96# @USAGE: [toolchain prefix]
97# @RETURN: name of the Windows resource compiler
98tc-getRC() { tc-getPROG RC windres "$@"; }
99# @FUNCTION: tc-getDLLWRAP
100# @USAGE: [toolchain prefix]
101# @RETURN: name of the Windows dllwrap utility
102tc-getDLLWRAP() { tc-getPROG DLLWRAP dllwrap "$@"; }
87 103
88# @FUNCTION: tc-getBUILD_CC 104# @FUNCTION: tc-getBUILD_CC
89# @USAGE: [toolchain prefix] 105# @USAGE: [toolchain prefix]
90# @RETURN: name of the C compiler for building binaries to run on the build machine 106# @RETURN: name of the C compiler for building binaries to run on the build machine
91tc-getBUILD_CC() { 107tc-getBUILD_CC() {
114# @DESCRIPTION: 130# @DESCRIPTION:
115# Quick way to export a bunch of compiler vars at once. 131# Quick way to export a bunch of compiler vars at once.
116tc-export() { 132tc-export() {
117 local var 133 local var
118 for var in "$@" ; do 134 for var in "$@" ; do
135 [[ $(type -t tc-get${var}) != "function" ]] && die "tc-export: invalid export variable '${var}'"
119 eval tc-get${var} > /dev/null 136 eval tc-get${var} > /dev/null
120 done 137 done
121} 138}
122 139
123# @FUNCTION: tc-is-cross-compiler 140# @FUNCTION: tc-is-cross-compiler
131# See if this toolchain is a softfloat based one. 148# See if this toolchain is a softfloat based one.
132# @CODE 149# @CODE
133# The possible return values: 150# The possible return values:
134# - only: the target is always softfloat (never had fpu) 151# - only: the target is always softfloat (never had fpu)
135# - yes: the target should support softfloat 152# - yes: the target should support softfloat
136# - no: the target should support hardfloat 153# - no: the target doesn't support softfloat
137# @CODE 154# @CODE
138# This allows us to react differently where packages accept 155# This allows us to react differently where packages accept
139# softfloat flags in the case where support is optional, but 156# softfloat flags in the case where support is optional, but
140# rejects softfloat flags where the target always lacks an fpu. 157# rejects softfloat flags where the target always lacks an fpu.
141tc-is-softfloat() { 158tc-is-softfloat() {
147 && echo "yes" \ 164 && echo "yes" \
148 || echo "no" 165 || echo "no"
149 ;; 166 ;;
150 esac 167 esac
151} 168}
169
170# @FUNCTION: tc-is-hardfloat
171# @DESCRIPTION:
172# See if this toolchain is a hardfloat based one.
173# @CODE
174# The possible return values:
175# - yes: the target should support hardfloat
176# - no: the target doesn't support hardfloat
177tc-is-hardfloat() {
178 [[ ${CTARGET//_/-} == *-hardfloat-* ]] \
179 && echo "yes" \
180 || echo "no"
181}
182
183# @FUNCTION: tc-is-static-only
184# @DESCRIPTION:
185# Return shell true if the target does not support shared libs, shell false
186# otherwise.
187tc-is-static-only() {
188 local host=${CTARGET:-${CHOST}}
189
190 # *MiNT doesn't have shared libraries, only platform so far
191 return $([[ ${host} == *-mint* ]])
192}
193
194# @FUNCTION: tc-has-openmp
195# @USAGE: [toolchain prefix]
196# @DESCRIPTION:
197# See if the toolchain supports OpenMP.
198tc-has-openmp() {
199 local base="${T}/test-tc-openmp"
200 cat <<-EOF > "${base}.c"
201 #include <omp.h>
202 int main() {
203 int nthreads, tid, ret = 0;
204 #pragma omp parallel private(nthreads, tid)
205 {
206 tid = omp_get_thread_num();
207 nthreads = omp_get_num_threads(); ret += tid + nthreads;
208 }
209 return ret;
210 }
211 EOF
212 $(tc-getCC "$@") -fopenmp "${base}.c" -o "${base}" >&/dev/null
213 local ret=$?
214 rm -f "${base}"*
215 return ${ret}
216}
217
218# @FUNCTION: tc-has-tls
219# @USAGE: [-s|-c|-l] [toolchain prefix]
220# @DESCRIPTION:
221# See if the toolchain supports thread local storage (TLS). Use -s to test the
222# compiler, -c to also test the assembler, and -l to also test the C library
223# (the default).
224tc-has-tls() {
225 local base="${T}/test-tc-tls"
226 cat <<-EOF > "${base}.c"
227 int foo(int *i) {
228 static __thread int j = 0;
229 return *i ? j : *i;
230 }
231 EOF
232 local flags
233 case $1 in
234 -s) flags="-S";;
235 -c) flags="-c";;
236 -l) ;;
237 -*) die "Usage: tc-has-tls [-c|-l] [toolchain prefix]";;
238 esac
239 : ${flags:=-fPIC -shared -Wl,-z,defs}
240 [[ $1 == -* ]] && shift
241 $(tc-getCC "$@") ${flags} "${base}.c" -o "${base}" >&/dev/null
242 local ret=$?
243 rm -f "${base}"*
244 return ${ret}
245}
246
152 247
153# Parse information from CBUILD/CHOST/CTARGET rather than 248# Parse information from CBUILD/CHOST/CTARGET rather than
154# use external variables from the profile. 249# use external variables from the profile.
155tc-ninja_magic_to_arch() { 250tc-ninja_magic_to_arch() {
156ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; } 251ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
180 m68*) echo m68k;; 275 m68*) echo m68k;;
181 mips*) echo mips;; 276 mips*) echo mips;;
182 nios2*) echo nios2;; 277 nios2*) echo nios2;;
183 nios*) echo nios;; 278 nios*) echo nios;;
184 powerpc*) 279 powerpc*)
185 # Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees 280 # Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees
186 # have been unified into simply 'powerpc', but until 2.6.16, 281 # have been unified into simply 'powerpc', but until 2.6.16,
187 # ppc32 is still using ARCH="ppc" as default 282 # ppc32 is still using ARCH="ppc" as default
188 if [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.16) ]] && [[ ${type} == "kern" ]] ; then 283 if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.16) ]] ; then
189 echo powerpc 284 echo powerpc
190 elif [[ $(KV_to_int ${KV}) -eq $(KV_to_int 2.6.15) ]] && [[ ${type} == "kern" ]] ; then 285 elif [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -eq $(KV_to_int 2.6.15) ]] ; then
191 if [[ ${host} == powerpc64* ]] || [[ ${PROFILE_ARCH} == "ppc64" ]] ; then 286 if [[ ${host} == powerpc64* ]] || [[ ${PROFILE_ARCH} == "ppc64" ]] ; then
192 echo powerpc 287 echo powerpc
193 else 288 else
194 echo ppc 289 echo ppc
195 fi 290 fi
196 elif [[ ${host} == powerpc64* ]] ; then 291 elif [[ ${host} == powerpc64* ]] ; then
197 echo ppc64 292 echo ppc64
198 elif [[ ${PROFILE_ARCH} == "ppc64" ]] ; then 293 elif [[ ${PROFILE_ARCH} == "ppc64" ]] ; then
199 ninj ppc64 ppc 294 ninj ppc64 ppc
200 else 295 else
201 echo ppc 296 echo ppc
202 fi 297 fi
203 ;; 298 ;;
204 s390*) echo s390;; 299 s390*) echo s390;;
205 sh64*) ninj sh64 sh;; 300 sh64*) ninj sh64 sh;;
206 sh*) echo sh;; 301 sh*) echo sh;;
207 sparc64*) ninj sparc64 sparc;; 302 sparc64*) ninj sparc64 sparc;;
208 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \ 303 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
209 && ninj sparc64 sparc \ 304 && ninj sparc64 sparc \
210 || echo sparc 305 || echo sparc
211 ;; 306 ;;
212 vax*) echo vax;; 307 vax*) echo vax;;
308 x86_64*freebsd*) echo amd64;;
213 x86_64*) 309 x86_64*)
214 # Starting with linux-2.6.24, the 'x86_64' and 'i386' 310 # Starting with linux-2.6.24, the 'x86_64' and 'i386'
215 # trees have been unified into 'x86'. 311 # trees have been unified into 'x86'.
216 if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.24) ]] ; then 312 if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.24) ]] ; then
217 echo x86 313 echo x86
263 x86_64*) echo little;; 359 x86_64*) echo little;;
264 *) echo wtf;; 360 *) echo wtf;;
265 esac 361 esac
266} 362}
267 363
364# Internal func. The first argument is the version info to expand.
365# Query the preprocessor to improve compatibility across different
366# compilers rather than maintaining a --version flag matrix. #335943
367_gcc_fullversion() {
368 local ver="$1"; shift
369 set -- `$(tc-getCPP "$@") -E -P - <<<"__GNUC__ __GNUC_MINOR__ __GNUC_PATCHLEVEL__"`
370 eval echo "$ver"
371}
372
268# @FUNCTION: gcc-fullversion 373# @FUNCTION: gcc-fullversion
269# @RETURN: compiler version (major.minor.micro: [3.4.6]) 374# @RETURN: compiler version (major.minor.micro: [3.4.6])
270gcc-fullversion() { 375gcc-fullversion() {
271 $(tc-getCC "$@") -dumpversion 376 _gcc_fullversion '$1.$2.$3' "$@"
272} 377}
273# @FUNCTION: gcc-version 378# @FUNCTION: gcc-version
274# @RETURN: compiler version (major.minor: [3.4].6) 379# @RETURN: compiler version (major.minor: [3.4].6)
275gcc-version() { 380gcc-version() {
276 gcc-fullversion "$@" | cut -f1,2 -d. 381 _gcc_fullversion '$1.$2' "$@"
277} 382}
278# @FUNCTION: gcc-major-version 383# @FUNCTION: gcc-major-version
279# @RETURN: major compiler version (major: [3].4.6) 384# @RETURN: major compiler version (major: [3].4.6)
280gcc-major-version() { 385gcc-major-version() {
281 gcc-version "$@" | cut -f1 -d. 386 _gcc_fullversion '$1' "$@"
282} 387}
283# @FUNCTION: gcc-minor-version 388# @FUNCTION: gcc-minor-version
284# @RETURN: minor compiler version (minor: 3.[4].6) 389# @RETURN: minor compiler version (minor: 3.[4].6)
285gcc-minor-version() { 390gcc-minor-version() {
286 gcc-version "$@" | cut -f2 -d. 391 _gcc_fullversion '$2' "$@"
287} 392}
288# @FUNCTION: gcc-micro-version 393# @FUNCTION: gcc-micro-version
289# @RETURN: micro compiler version (micro: 3.4.[6]) 394# @RETURN: micro compiler version (micro: 3.4.[6])
290gcc-micro-version() { 395gcc-micro-version() {
291 gcc-fullversion "$@" | cut -f3 -d. | cut -f1 -d- 396 _gcc_fullversion '$3' "$@"
292} 397}
293 398
294# Returns the installation directory - internal toolchain 399# Returns the installation directory - internal toolchain
295# function for use by _gcc-specs-exists (for flag-o-matic). 400# function for use by _gcc-specs-exists (for flag-o-matic).
296_gcc-install-dir() { 401_gcc-install-dir() {
346 451
347# Returns true if gcc sets relro 452# Returns true if gcc sets relro
348gcc-specs-relro() { 453gcc-specs-relro() {
349 local directive 454 local directive
350 directive=$(gcc-specs-directive link_command) 455 directive=$(gcc-specs-directive link_command)
351 return $([[ ${directive/\{!norelro:} != ${directive} ]]) 456 return $([[ "${directive/\{!norelro:}" != "${directive}" ]])
352} 457}
353# Returns true if gcc sets now 458# Returns true if gcc sets now
354gcc-specs-now() { 459gcc-specs-now() {
355 local directive 460 local directive
356 directive=$(gcc-specs-directive link_command) 461 directive=$(gcc-specs-directive link_command)
357 return $([[ ${directive/\{!nonow:} != ${directive} ]]) 462 return $([[ "${directive/\{!nonow:}" != "${directive}" ]])
358} 463}
359# Returns true if gcc builds PIEs 464# Returns true if gcc builds PIEs
360gcc-specs-pie() { 465gcc-specs-pie() {
361 local directive 466 local directive
362 directive=$(gcc-specs-directive cc1) 467 directive=$(gcc-specs-directive cc1)
363 return $([[ ${directive/\{!nopie:} != ${directive} ]]) 468 return $([[ "${directive/\{!nopie:}" != "${directive}" ]])
364} 469}
365# Returns true if gcc builds with the stack protector 470# Returns true if gcc builds with the stack protector
366gcc-specs-ssp() { 471gcc-specs-ssp() {
367 local directive 472 local directive
368 directive=$(gcc-specs-directive cc1) 473 directive=$(gcc-specs-directive cc1)
369 return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]]) 474 return $([[ "${directive/\{!fno-stack-protector:}" != "${directive}" ]])
370} 475}
371# Returns true if gcc upgrades fstack-protector to fstack-protector-all 476# Returns true if gcc upgrades fstack-protector to fstack-protector-all
372gcc-specs-ssp-to-all() { 477gcc-specs-ssp-to-all() {
373 local directive 478 local directive
374 directive=$(gcc-specs-directive cc1) 479 directive=$(gcc-specs-directive cc1)
375 return $([[ ${directive/\{!fno-stack-protector-all:} != ${directive} ]]) 480 return $([[ "${directive/\{!fno-stack-protector-all:}" != "${directive}" ]])
481}
482# Returns true if gcc builds with fno-strict-overflow
483gcc-specs-nostrict() {
484 local directive
485 directive=$(gcc-specs-directive cc1)
486 return $([[ "${directive/\{!fstrict-overflow:}" != "${directive}" ]])
376} 487}
377 488
378 489
379# @FUNCTION: gen_usr_ldscript 490# @FUNCTION: gen_usr_ldscript
380# @USAGE: <list of libs to create linker scripts for> 491# @USAGE: [-a] <list of libs to create linker scripts for>
381# @DESCRIPTION: 492# @DESCRIPTION:
382# This function generate linker scripts in /usr/lib for dynamic 493# This function generate linker scripts in /usr/lib for dynamic
383# libs in /lib. This is to fix linking problems when you have 494# libs in /lib. This is to fix linking problems when you have
384# the .so in /lib, and the .a in /usr/lib. What happens is that 495# the .so in /lib, and the .a in /usr/lib. What happens is that
385# in some cases when linking dynamic, the .a in /usr/lib is used 496# in some cases when linking dynamic, the .a in /usr/lib is used
389# 500#
390# Note that you should in general use the unversioned name of 501# Note that you should in general use the unversioned name of
391# the library (libfoo.so), as ldconfig should usually update it 502# the library (libfoo.so), as ldconfig should usually update it
392# correctly to point to the latest version of the library present. 503# correctly to point to the latest version of the library present.
393gen_usr_ldscript() { 504gen_usr_ldscript() {
394 local lib libdir=$(get_libdir) output_format="" 505 local lib libdir=$(get_libdir) output_format="" auto=false suffix=$(get_libname)
506 [[ -z ${ED+set} ]] && local ED=${D%/}${EPREFIX}/
507
508 tc-is-static-only && return
509
395 # Just make sure it exists 510 # Just make sure it exists
396 dodir /usr/${libdir} 511 dodir /usr/${libdir}
512
513 if [[ $1 == "-a" ]] ; then
514 auto=true
515 shift
516 dodir /${libdir}
517 fi
397 518
398 # OUTPUT_FORMAT gives hints to the linker as to what binary format 519 # OUTPUT_FORMAT gives hints to the linker as to what binary format
399 # is referenced ... makes multilib saner 520 # is referenced ... makes multilib saner
400 output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 | sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p') 521 output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 | sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p')
401 [[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )" 522 [[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )"
402 523
403 for lib in "$@" ; do 524 for lib in "$@" ; do
404 if [[ ${USERLAND} == "Darwin" ]] ; then 525 local tlib
405 ewarn "Not creating fake dynamic library for $lib on Darwin;" 526 if ${auto} ; then
406 ewarn "making a symlink instead." 527 lib="lib${lib}${suffix}"
407 dosym "/${libdir}/${lib}" "/usr/${libdir}/${lib}"
408 else 528 else
529 # Ensure /lib/${lib} exists to avoid dangling scripts/symlinks.
530 # This especially is for AIX where $(get_libname) can return ".a",
531 # so /lib/${lib} might be moved to /usr/lib/${lib} (by accident).
532 [[ -r ${ED}/${libdir}/${lib} ]] || continue
533 #TODO: better die here?
534 fi
535
536 case ${CTARGET:-${CHOST}} in
537 *-darwin*)
538 if ${auto} ; then
539 tlib=$(scanmacho -qF'%S#F' "${ED}"/usr/${libdir}/${lib})
540 else
541 tlib=$(scanmacho -qF'%S#F' "${ED}"/${libdir}/${lib})
542 fi
543 [[ -z ${tlib} ]] && die "unable to read install_name from ${lib}"
544 tlib=${tlib##*/}
545
546 if ${auto} ; then
547 mv "${ED}"/usr/${libdir}/${lib%${suffix}}.*${suffix#.} "${ED}"/${libdir}/ || die
548 # some install_names are funky: they encode a version
549 if [[ ${tlib} != ${lib%${suffix}}.*${suffix#.} ]] ; then
550 mv "${ED}"/usr/${libdir}/${tlib%${suffix}}.*${suffix#.} "${ED}"/${libdir}/ || die
551 fi
552 rm -f "${ED}"/${libdir}/${lib}
553 fi
554
555 # Mach-O files have an id, which is like a soname, it tells how
556 # another object linking against this lib should reference it.
557 # Since we moved the lib from usr/lib into lib this reference is
558 # wrong. Hence, we update it here. We don't configure with
559 # libdir=/lib because that messes up libtool files.
560 # Make sure we don't lose the specific version, so just modify the
561 # existing install_name
562 if [[ ! -w "${ED}/${libdir}/${tlib}" ]] ; then
563 chmod u+w "${ED}${libdir}/${tlib}" # needed to write to it
564 local nowrite=yes
565 fi
566 install_name_tool \
567 -id "${EPREFIX}"/${libdir}/${tlib} \
568 "${ED}"/${libdir}/${tlib} || die "install_name_tool failed"
569 [[ -n ${nowrite} ]] && chmod u-w "${ED}${libdir}/${tlib}"
570 # Now as we don't use GNU binutils and our linker doesn't
571 # understand linker scripts, just create a symlink.
572 pushd "${ED}/usr/${libdir}" > /dev/null
573 ln -snf "../../${libdir}/${tlib}" "${lib}"
574 popd > /dev/null
575 ;;
576 *-aix*|*-irix*|*64*-hpux*|*-interix*|*-winnt*)
577 if ${auto} ; then
578 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die
579 # no way to retrieve soname on these platforms (?)
580 tlib=$(readlink "${ED}"/${libdir}/${lib})
581 tlib=${tlib##*/}
582 if [[ -z ${tlib} ]] ; then
583 # ok, apparently was not a symlink, don't remove it and
584 # just link to it
585 tlib=${lib}
586 else
587 rm -f "${ED}"/${libdir}/${lib}
588 fi
589 else
590 tlib=${lib}
591 fi
592
593 # we don't have GNU binutils on these platforms, so we symlink
594 # instead, which seems to work fine. Keep it relative, otherwise
595 # we break some QA checks in Portage
596 # on interix, the linker scripts would work fine in _most_
597 # situations. if a library links to such a linker script the
598 # absolute path to the correct library is inserted into the binary,
599 # which is wrong, since anybody linking _without_ libtool will miss
600 # some dependencies, since the stupid linker cannot find libraries
601 # hardcoded with absolute paths (as opposed to the loader, which
602 # seems to be able to do this).
603 # this has been seen while building shared-mime-info which needs
604 # libxml2, but links without libtool (and does not add libz to the
605 # command line by itself).
606 pushd "${ED}/usr/${libdir}" > /dev/null
607 ln -snf "../../${libdir}/${tlib}" "${lib}"
608 popd > /dev/null
609 ;;
610 hppa*-hpux*) # PA-RISC 32bit (SOM) only, others (ELF) match *64*-hpux* above.
611 if ${auto} ; then
612 tlib=$(chatr "${ED}"/usr/${libdir}/${lib} | sed -n '/internal name:/{n;s/^ *//;p;q}')
613 [[ -z ${tlib} ]] && tlib=${lib}
614 tlib=${tlib##*/} # 'internal name' can have a path component
615 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die
616 # some SONAMEs are funky: they encode a version before the .so
617 if [[ ${tlib} != ${lib}* ]] ; then
618 mv "${ED}"/usr/${libdir}/${tlib}* "${ED}"/${libdir}/ || die
619 fi
620 [[ ${tlib} != ${lib} ]] &&
621 rm -f "${ED}"/${libdir}/${lib}
622 else
623 tlib=$(chatr "${ED}"/${libdir}/${lib} | sed -n '/internal name:/{n;s/^ *//;p;q}')
624 [[ -z ${tlib} ]] && tlib=${lib}
625 tlib=${tlib##*/} # 'internal name' can have a path component
626 fi
627 pushd "${ED}"/usr/${libdir} >/dev/null
628 ln -snf "../../${libdir}/${tlib}" "${lib}"
629 # need the internal name in usr/lib too, to be available at runtime
630 # when linked with /path/to/lib.sl (hardcode_direct_absolute=yes)
631 [[ ${tlib} != ${lib} ]] &&
632 ln -snf "../../${libdir}/${tlib}" "${tlib}"
633 popd >/dev/null
634 ;;
635 *)
636 if ${auto} ; then
637 tlib=$(scanelf -qF'%S#F' "${ED}"/usr/${libdir}/${lib})
638 [[ -z ${tlib} ]] && die "unable to read SONAME from ${lib}"
639 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die
640 # some SONAMEs are funky: they encode a version before the .so
641 if [[ ${tlib} != ${lib}* ]] ; then
642 mv "${ED}"/usr/${libdir}/${tlib}* "${ED}"/${libdir}/ || die
643 fi
644 rm -f "${ED}"/${libdir}/${lib}
645 else
646 tlib=${lib}
647 fi
409 cat > "${D}/usr/${libdir}/${lib}" <<-END_LDSCRIPT 648 cat > "${ED}/usr/${libdir}/${lib}" <<-END_LDSCRIPT
410 /* GNU ld script 649 /* GNU ld script
411 Since Gentoo has critical dynamic libraries 650 Since Gentoo has critical dynamic libraries in /lib, and the static versions
412 in /lib, and the static versions in /usr/lib, 651 in /usr/lib, we need to have a "fake" dynamic lib in /usr/lib, otherwise we
413 we need to have a "fake" dynamic lib in /usr/lib, 652 run into linking problems. This "fake" dynamic lib is a linker script that
414 otherwise we run into linking problems. 653 redirects the linker to the real lib. And yes, this works in the cross-
654 compiling scenario as the sysroot-ed linker will prepend the real path.
415 655
416 See bug http://bugs.gentoo.org/4411 for more info. 656 See bug http://bugs.gentoo.org/4411 for more info.
417 */ 657 */
418 ${output_format} 658 ${output_format}
419 GROUP ( /${libdir}/${lib} ) 659 GROUP ( ${EPREFIX}/${libdir}/${tlib} )
420 END_LDSCRIPT 660 END_LDSCRIPT
421 fi 661 ;;
662 esac
422 fperms a+x "/usr/${libdir}/${lib}" || die "could not change perms on ${lib}" 663 fperms a+x "/usr/${libdir}/${lib}" || die "could not change perms on ${lib}"
423 done 664 done
424} 665}

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