/[gentoo-x86]/eclass/toolchain-funcs.eclass
Gentoo

Diff of /eclass/toolchain-funcs.eclass

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

Revision 1.74 Revision 1.92
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 1.74 2007/08/17 10:14:13 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.92 2009/08/15 15:11:17 grobian 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 f77 "$@"; }
79# @FUNCTION: tc-getF90 83# @FUNCTION: tc-getFC
80# @USAGE: [toolchain prefix] 84# @USAGE: [toolchain prefix]
81# @RETURN: name of the Fortran 90 compiler 85# @RETURN: name of the Fortran 90 compiler
82tc-getF90() { tc-getPROG F90 gfortran "$@"; } 86tc-getFC() { tc-getPROG FC gfortran "$@"; }
83# @FUNCTION: tc-getFORTRAN
84# @USAGE: [toolchain prefix]
85# @RETURN: name of the Fortran compiler
86tc-getFORTRAN() { tc-getPROG FORTRAN gfortran "$@"; }
87# @FUNCTION: tc-getGCJ 87# @FUNCTION: tc-getGCJ
88# @USAGE: [toolchain prefix] 88# @USAGE: [toolchain prefix]
89# @RETURN: name of the java compiler 89# @RETURN: name of the java compiler
90tc-getGCJ() { tc-getPROG GCJ gcj "$@"; } 90tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
91 91
118# @DESCRIPTION: 118# @DESCRIPTION:
119# Quick way to export a bunch of compiler vars at once. 119# Quick way to export a bunch of compiler vars at once.
120tc-export() { 120tc-export() {
121 local var 121 local var
122 for var in "$@" ; do 122 for var in "$@" ; do
123 [[ $(type -t tc-get${var}) != "function" ]] && die "tc-export: invalid export variable '${var}'"
123 eval tc-get${var} > /dev/null 124 eval tc-get${var} > /dev/null
124 done 125 done
125} 126}
126 127
127# @FUNCTION: tc-is-cross-compiler 128# @FUNCTION: tc-is-cross-compiler
152 || echo "no" 153 || echo "no"
153 ;; 154 ;;
154 esac 155 esac
155} 156}
156 157
158# @FUNCTION: tc-is-static-only
159# @DESCRIPTION:
160# Return shell true if the target does not support shared libs, shell false
161# otherwise.
162tc-is-static-only() {
163 local host=${CTARGET:-${CHOST}}
164
165 # *MiNT doesn't have shared libraries, only platform so far
166 return $([[ ${host} == *-mint* ]])
167}
168
169
157# Parse information from CBUILD/CHOST/CTARGET rather than 170# Parse information from CBUILD/CHOST/CTARGET rather than
158# use external variables from the profile. 171# use external variables from the profile.
159tc-ninja_magic_to_arch() { 172tc-ninja_magic_to_arch() {
160ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; } 173ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
161 174
168 arm*) echo arm;; 181 arm*) echo arm;;
169 avr*) ninj avr32 avr;; 182 avr*) ninj avr32 avr;;
170 bfin*) ninj blackfin bfin;; 183 bfin*) ninj blackfin bfin;;
171 cris*) echo cris;; 184 cris*) echo cris;;
172 hppa*) ninj parisc hppa;; 185 hppa*) ninj parisc hppa;;
173 i?86*) ninj i386 x86;; 186 i?86*)
187 # Starting with linux-2.6.24, the 'x86_64' and 'i386'
188 # trees have been unified into 'x86'.
189 # FreeBSD still uses i386
190 if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -lt $(KV_to_int 2.6.24) || ${host} == *freebsd* ]] ; then
191 echo i386
192 else
193 echo x86
194 fi
195 ;;
174 ia64*) echo ia64;; 196 ia64*) echo ia64;;
175 m68*) echo m68k;; 197 m68*) echo m68k;;
176 mips*) echo mips;; 198 mips*) echo mips;;
177 nios2*) echo nios2;; 199 nios2*) echo nios2;;
178 nios*) echo nios;; 200 nios*) echo nios;;
203 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \ 225 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
204 && ninj sparc64 sparc \ 226 && ninj sparc64 sparc \
205 || echo sparc 227 || echo sparc
206 ;; 228 ;;
207 vax*) echo vax;; 229 vax*) echo vax;;
208 x86_64*) ninj x86_64 amd64;; 230 x86_64*)
231 # Starting with linux-2.6.24, the 'x86_64' and 'i386'
232 # trees have been unified into 'x86'.
233 if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.24) ]] ; then
234 echo x86
235 else
236 ninj x86_64 amd64
237 fi
238 ;;
209 239
210 # since our usage of tc-arch is largely concerned with 240 # since our usage of tc-arch is largely concerned with
211 # normalizing inputs for testing ${CTARGET}, let's filter 241 # normalizing inputs for testing ${CTARGET}, let's filter
212 # other cross targets (mingw and such) into the unknown. 242 # other cross targets (mingw and such) into the unknown.
213 *) echo unknown;; 243 *) echo unknown;;
279} 309}
280 310
281# Returns the installation directory - internal toolchain 311# Returns the installation directory - internal toolchain
282# function for use by _gcc-specs-exists (for flag-o-matic). 312# function for use by _gcc-specs-exists (for flag-o-matic).
283_gcc-install-dir() { 313_gcc-install-dir() {
284 echo "$($(tc-getCC) -print-search-dirs 2> /dev/null |\ 314 echo "$(LC_ALL=C $(tc-getCC) -print-search-dirs 2> /dev/null |\
285 awk '$1=="install:" {print $2}')" 315 awk '$1=="install:" {print $2}')"
286} 316}
287# Returns true if the indicated specs file exists - internal toolchain 317# Returns true if the indicated specs file exists - internal toolchain
288# function for use by flag-o-matic. 318# function for use by flag-o-matic.
289_gcc-specs-exists() { 319_gcc-specs-exists() {
333 363
334# Returns true if gcc sets relro 364# Returns true if gcc sets relro
335gcc-specs-relro() { 365gcc-specs-relro() {
336 local directive 366 local directive
337 directive=$(gcc-specs-directive link_command) 367 directive=$(gcc-specs-directive link_command)
338 return $([[ ${directive/\{!norelro:} != ${directive} ]]) 368 return $([[ "${directive/\{!norelro:}" != "${directive}" ]])
339} 369}
340# Returns true if gcc sets now 370# Returns true if gcc sets now
341gcc-specs-now() { 371gcc-specs-now() {
342 local directive 372 local directive
343 directive=$(gcc-specs-directive link_command) 373 directive=$(gcc-specs-directive link_command)
344 return $([[ ${directive/\{!nonow:} != ${directive} ]]) 374 return $([[ "${directive/\{!nonow:}" != "${directive}" ]])
345} 375}
346# Returns true if gcc builds PIEs 376# Returns true if gcc builds PIEs
347gcc-specs-pie() { 377gcc-specs-pie() {
348 local directive 378 local directive
349 directive=$(gcc-specs-directive cc1) 379 directive=$(gcc-specs-directive cc1)
350 return $([[ ${directive/\{!nopie:} != ${directive} ]]) 380 return $([[ "${directive/\{!nopie:}" != "${directive}" ]])
351} 381}
352# Returns true if gcc builds with the stack protector 382# Returns true if gcc builds with the stack protector
353gcc-specs-ssp() { 383gcc-specs-ssp() {
354 local directive 384 local directive
355 directive=$(gcc-specs-directive cc1) 385 directive=$(gcc-specs-directive cc1)
356 return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]]) 386 return $([[ "${directive/\{!fno-stack-protector:}" != "${directive}" ]])
357} 387}
358# Returns true if gcc upgrades fstack-protector to fstack-protector-all 388# Returns true if gcc upgrades fstack-protector to fstack-protector-all
359gcc-specs-ssp-to-all() { 389gcc-specs-ssp-to-all() {
360 local directive 390 local directive
361 directive=$(gcc-specs-directive cc1) 391 directive=$(gcc-specs-directive cc1)
362 return $([[ ${directive/\{!fno-stack-protector-all:} != ${directive} ]]) 392 return $([[ "${directive/\{!fno-stack-protector-all:}" != "${directive}" ]])
393}
394# Returns true if gcc builds with fno-strict-overflow
395gcc-specs-nostrict() {
396 local directive
397 directive=$(gcc-specs-directive cc1)
398 return $([[ "${directive/\{!fstrict-overflow:}" != "${directive}" ]])
363} 399}
364 400
365 401
366# @FUNCTION: gen_usr_ldscript 402# @FUNCTION: gen_usr_ldscript
367# @USAGE: <list of libs to create linker scripts for> 403# @USAGE: [-a] <list of libs to create linker scripts for>
368# @DESCRIPTION: 404# @DESCRIPTION:
369# This function generate linker scripts in /usr/lib for dynamic 405# This function generate linker scripts in /usr/lib for dynamic
370# libs in /lib. This is to fix linking problems when you have 406# libs in /lib. This is to fix linking problems when you have
371# the .so in /lib, and the .a in /usr/lib. What happens is that 407# the .so in /lib, and the .a in /usr/lib. What happens is that
372# in some cases when linking dynamic, the .a in /usr/lib is used 408# in some cases when linking dynamic, the .a in /usr/lib is used
376# 412#
377# Note that you should in general use the unversioned name of 413# Note that you should in general use the unversioned name of
378# the library (libfoo.so), as ldconfig should usually update it 414# the library (libfoo.so), as ldconfig should usually update it
379# correctly to point to the latest version of the library present. 415# correctly to point to the latest version of the library present.
380gen_usr_ldscript() { 416gen_usr_ldscript() {
381 local lib libdir=$(get_libdir) output_format="" 417 local lib libdir=$(get_libdir) output_format="" auto=false suffix=$(get_libname)
418 [[ -z ${ED+set} ]] && local ED=${D%/}${EPREFIX}/
419
420 tc-is-static-only && return
421
382 # Just make sure it exists 422 # Just make sure it exists
383 dodir /usr/${libdir} 423 dodir /usr/${libdir}
424
425 if [[ $1 == "-a" ]] ; then
426 auto=true
427 shift
428 dodir /${libdir}
429 fi
384 430
385 # OUTPUT_FORMAT gives hints to the linker as to what binary format 431 # OUTPUT_FORMAT gives hints to the linker as to what binary format
386 # is referenced ... makes multilib saner 432 # is referenced ... makes multilib saner
387 output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 | sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p') 433 output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 | sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p')
388 [[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )" 434 [[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )"
389 435
390 for lib in "$@" ; do 436 for lib in "$@" ; do
391 if [[ ${USERLAND} == "Darwin" ]] ; then 437 local tlib
392 ewarn "Not creating fake dynamic library for $lib on Darwin;" 438 if ${auto} ; then
393 ewarn "making a symlink instead." 439 lib="lib${lib}${suffix}"
394 dosym "/${libdir}/${lib}" "/usr/${libdir}/${lib}"
395 else 440 else
441 # Ensure /lib/${lib} exists to avoid dangling scripts/symlinks.
442 # This especially is for AIX where $(get_libname) can return ".a",
443 # so /lib/${lib} might be moved to /usr/lib/${lib} (by accident).
444 [[ -r ${ED}/${libdir}/${lib} ]] || continue
445 #TODO: better die here?
446 fi
447
448 case ${CTARGET:-${CHOST}} in
449 *-darwin*)
450 if ${auto} ; then
451 tlib=$(scanmacho -qF'%S#F' "${ED}"/usr/${libdir}/${lib})
452 else
453 tlib=$(scanmacho -qF'%S#F' "${ED}"/${libdir}/${lib})
454 fi
455 [[ -z ${tlib} ]] && die "unable to read install_name from ${lib}"
456 tlib=${tlib##*/}
457
458 if ${auto} ; then
459 mv "${ED}"/usr/${libdir}/${lib%${suffix}}.*${suffix#.} "${ED}"/${libdir}/ || die
460 # some install_names are funky: they encode a version
461 if [[ ${tlib} != ${lib%${suffix}}.*${suffix#.} ]] ; then
462 mv "${ED}"/usr/${libdir}/${tlib%${suffix}}.*${suffix#.} "${ED}"/${libdir}/ || die
463 fi
464 rm -f "${ED}"/${libdir}/${lib}
465 fi
466
467 # Mach-O files have an id, which is like a soname, it tells how
468 # another object linking against this lib should reference it.
469 # Since we moved the lib from usr/lib into lib this reference is
470 # wrong. Hence, we update it here. We don't configure with
471 # libdir=/lib because that messes up libtool files.
472 # Make sure we don't lose the specific version, so just modify the
473 # existing install_name
474 install_name_tool \
475 -id "${EPREFIX}"/${libdir}/${tlib} \
476 "${ED}"/${libdir}/${tlib}
477 # Now as we don't use GNU binutils and our linker doesn't
478 # understand linker scripts, just create a symlink.
479 pushd "${ED}/usr/${libdir}" > /dev/null
480 ln -snf "../../${libdir}/${tlib}" "${lib}"
481 popd > /dev/null
482 ;;
483 *-aix*|*-irix*|*-hpux*|*-interix*|*-winnt*)
484 if ${auto} ; then
485 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die
486 # no way to retrieve soname on these platforms (?)
487 tlib=$(readlink "${ED}"/${libdir}/${lib})
488 tlib=${tlib##*/}
489 if [[ -z ${tlib} ]] ; then
490 # ok, apparently was not a symlink, don't remove it and
491 # just link to it
492 tlib=${lib}
493 else
494 rm -f "${ED}"/${libdir}/${lib}
495 fi
496 else
497 tlib=${lib}
498 fi
499
500 # we don't have GNU binutils on these platforms, so we symlink
501 # instead, which seems to work fine. Keep it relative, otherwise
502 # we break some QA checks in Portage
503 # on interix, the linker scripts would work fine in _most_
504 # situations. if a library links to such a linker script the
505 # absolute path to the correct library is inserted into the binary,
506 # which is wrong, since anybody linking _without_ libtool will miss
507 # some dependencies, since the stupid linker cannot find libraries
508 # hardcoded with absolute paths (as opposed to the loader, which
509 # seems to be able to do this).
510 # this has been seen while building shared-mime-info which needs
511 # libxml2, but links without libtool (and does not add libz to the
512 # command line by itself).
513 pushd "${ED}/usr/${libdir}" > /dev/null
514 ln -snf "../../${libdir}/${tlib}" "${lib}"
515 popd > /dev/null
516 ;;
517 *)
518 if ${auto} ; then
519 tlib=$(scanelf -qF'%S#F' "${ED}"/usr/${libdir}/${lib})
520 [[ -z ${tlib} ]] && die "unable to read SONAME from ${lib}"
521 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die
522 # some SONAMEs are funky: they encode a version before the .so
523 if [[ ${tlib} != ${lib}* ]] ; then
524 mv "${ED}"/usr/${libdir}/${tlib}* "${ED}"/${libdir}/ || die
525 fi
526 rm -f "${ED}"/${libdir}/${lib}
527 else
528 tlib=${lib}
529 fi
396 cat > "${D}/usr/${libdir}/${lib}" <<-END_LDSCRIPT 530 cat > "${ED}/usr/${libdir}/${lib}" <<-END_LDSCRIPT
397 /* GNU ld script 531 /* GNU ld script
398 Since Gentoo has critical dynamic libraries 532 Since Gentoo has critical dynamic libraries in /lib, and the static versions
399 in /lib, and the static versions in /usr/lib, 533 in /usr/lib, we need to have a "fake" dynamic lib in /usr/lib, otherwise we
400 we need to have a "fake" dynamic lib in /usr/lib, 534 run into linking problems. This "fake" dynamic lib is a linker script that
401 otherwise we run into linking problems. 535 redirects the linker to the real lib. And yes, this works in the cross-
536 compiling scenario as the sysroot-ed linker will prepend the real path.
402 537
403 See bug http://bugs.gentoo.org/4411 for more info. 538 See bug http://bugs.gentoo.org/4411 for more info.
404 */ 539 */
405 ${output_format} 540 ${output_format}
406 GROUP ( /${libdir}/${lib} ) 541 GROUP ( ${EPREFIX}/${libdir}/${tlib} )
407 END_LDSCRIPT 542 END_LDSCRIPT
408 fi 543 ;;
544 esac
409 fperms a+x "/usr/${libdir}/${lib}" || die "could not change perms on ${lib}" 545 fperms a+x "/usr/${libdir}/${lib}" || die "could not change perms on ${lib}"
410 done 546 done
411} 547}

Legend:
Removed from v.1.74  
changed lines
  Added in v.1.92

  ViewVC Help
Powered by ViewVC 1.1.20