/[gentoo-x86]/eclass/toolchain-funcs.eclass
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1# Copyright 1999-2011 Gentoo Foundation 1# Copyright 1999-2012 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 1.109 2011/12/10 19:45:00 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.118 2012/09/27 19:34:28 axs 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
15 15
16if [[ ${___ECLASS_ONCE_TOOLCHAIN_FUNCS} != "recur -_+^+_- spank" ]] ; then 16if [[ ${___ECLASS_ONCE_TOOLCHAIN_FUNCS} != "recur -_+^+_- spank" ]] ; then
17___ECLASS_ONCE_TOOLCHAIN_FUNCS="recur -_+^+_- spank" 17___ECLASS_ONCE_TOOLCHAIN_FUNCS="recur -_+^+_- spank"
18 18
19inherit multilib 19inherit multilib
20
21DESCRIPTION="Based on the ${ECLASS} eclass"
22 20
23# tc-getPROG <VAR [search vars]> <default> [tuple] 21# tc-getPROG <VAR [search vars]> <default> [tuple]
24_tc-getPROG() { 22_tc-getPROG() {
25 local tuple=$1 23 local tuple=$1
26 local v var vars=$2 24 local v var vars=$2
177# @FUNCTION: tc-is-softfloat 175# @FUNCTION: tc-is-softfloat
178# @DESCRIPTION: 176# @DESCRIPTION:
179# See if this toolchain is a softfloat based one. 177# See if this toolchain is a softfloat based one.
180# @CODE 178# @CODE
181# The possible return values: 179# The possible return values:
182# - only: the target is always softfloat (never had fpu) 180# - only: the target is always softfloat (never had fpu)
183# - yes: the target should support softfloat 181# - yes: the target should support softfloat
182# - softfp: (arm specific) the target should use hardfloat insns, but softfloat calling convention
184# - no: the target doesn't support softfloat 183# - no: the target doesn't support softfloat
185# @CODE 184# @CODE
186# This allows us to react differently where packages accept 185# This allows us to react differently where packages accept
187# softfloat flags in the case where support is optional, but 186# softfloat flags in the case where support is optional, but
188# rejects softfloat flags where the target always lacks an fpu. 187# rejects softfloat flags where the target always lacks an fpu.
189tc-is-softfloat() { 188tc-is-softfloat() {
189 local CTARGET=${CTARGET:-${CHOST}}
190 case ${CTARGET} in 190 case ${CTARGET} in
191 bfin*|h8300*) 191 bfin*|h8300*)
192 echo "only" ;; 192 echo "only" ;;
193 *) 193 *)
194 [[ ${CTARGET//_/-} == *-softfloat-* ]] \ 194 if [[ ${CTARGET//_/-} == *-softfloat-* ]] ; then
195 && echo "yes" \ 195 echo "yes"
196 elif [[ ${CTARGET//_/-} == *-softfp-* ]] ; then
197 echo "softfp"
198 else
196 || echo "no" 199 echo "no"
200 fi
197 ;; 201 ;;
198 esac 202 esac
199}
200
201# @FUNCTION: tc-is-hardfloat
202# @DESCRIPTION:
203# See if this toolchain is a hardfloat based one.
204# @CODE
205# The possible return values:
206# - yes: the target should support hardfloat
207# - no: the target doesn't support hardfloat
208tc-is-hardfloat() {
209 [[ ${CTARGET//_/-} == *-hardfloat-* ]] \
210 && echo "yes" \
211 || echo "no"
212} 203}
213 204
214# @FUNCTION: tc-is-static-only 205# @FUNCTION: tc-is-static-only
215# @DESCRIPTION: 206# @DESCRIPTION:
216# Return shell true if the target does not support shared libs, shell false 207# Return shell true if the target does not support shared libs, shell false
218tc-is-static-only() { 209tc-is-static-only() {
219 local host=${CTARGET:-${CHOST}} 210 local host=${CTARGET:-${CHOST}}
220 211
221 # *MiNT doesn't have shared libraries, only platform so far 212 # *MiNT doesn't have shared libraries, only platform so far
222 return $([[ ${host} == *-mint* ]]) 213 return $([[ ${host} == *-mint* ]])
214}
215
216# @FUNCTION: tc-export_build_env
217# @USAGE: [compiler variables]
218# @DESCRIPTION:
219# Export common build related compiler settings.
220tc-export_build_env() {
221 tc-export "$@"
222 : ${BUILD_CFLAGS:=-O1 -pipe}
223 : ${BUILD_CXXFLAGS:=-O1 -pipe}
224 : ${BUILD_CPPFLAGS:=}
225 : ${BUILD_LDFLAGS:=}
226 export BUILD_{C,CXX,CPP,LD}FLAGS
223} 227}
224 228
225# @FUNCTION: tc-env_build 229# @FUNCTION: tc-env_build
226# @USAGE: <command> [command args] 230# @USAGE: <command> [command args]
227# @INTERNAL 231# @INTERNAL
229# Setup the compile environment to the build tools and then execute the 233# Setup the compile environment to the build tools and then execute the
230# specified command. We use tc-getBUILD_XX here so that we work with 234# specified command. We use tc-getBUILD_XX here so that we work with
231# all of the semi-[non-]standard env vars like $BUILD_CC which often 235# all of the semi-[non-]standard env vars like $BUILD_CC which often
232# the target build system does not check. 236# the target build system does not check.
233tc-env_build() { 237tc-env_build() {
238 tc-export_build_env
234 CFLAGS=${BUILD_CFLAGS:--O1 -pipe} \ 239 CFLAGS=${BUILD_CFLAGS} \
235 CXXFLAGS=${BUILD_CXXFLAGS:--O1 -pipe} \ 240 CXXFLAGS=${BUILD_CXXFLAGS} \
236 CPPFLAGS=${BUILD_CPPFLAGS} \ 241 CPPFLAGS=${BUILD_CPPFLAGS} \
237 LDFLAGS=${BUILD_LDFLAGS} \ 242 LDFLAGS=${BUILD_LDFLAGS} \
238 AR=$(tc-getBUILD_AR) \ 243 AR=$(tc-getBUILD_AR) \
239 AS=$(tc-getBUILD_AS) \ 244 AS=$(tc-getBUILD_AS) \
240 CC=$(tc-getBUILD_CC) \ 245 CC=$(tc-getBUILD_CC) \
350 355
351 local type=$1 356 local type=$1
352 local host=$2 357 local host=$2
353 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}} 358 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
354 359
360 local KV=${KV:-${KV_FULL}}
361 [[ -z ${KV} ]] && die "toolchain-funcs.eclass: Kernel version could not be determined, please inherit kernel-2 or linux-info"
362
355 case ${host} in 363 case ${host} in
364 aarch64*) ninj aarch64 arm;;
356 alpha*) echo alpha;; 365 alpha*) echo alpha;;
357 arm*) echo arm;; 366 arm*) echo arm;;
358 avr*) ninj avr32 avr;; 367 avr*) ninj avr32 avr;;
359 bfin*) ninj blackfin bfin;; 368 bfin*) ninj blackfin bfin;;
360 cris*) echo cris;; 369 cris*) echo cris;;
437 local host=$1 446 local host=$1
438 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}} 447 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
439 host=${host%%-*} 448 host=${host%%-*}
440 449
441 case ${host} in 450 case ${host} in
451 aarch64*be) echo big;;
452 aarch64) echo little;;
442 alpha*) echo big;; 453 alpha*) echo big;;
443 arm*b*) echo big;; 454 arm*b*) echo big;;
444 arm*) echo little;; 455 arm*) echo little;;
445 cris*) echo little;; 456 cris*) echo little;;
446 hppa*) echo big;; 457 hppa*) echo big;;
603 local lib libdir=$(get_libdir) output_format="" auto=false suffix=$(get_libname) 614 local lib libdir=$(get_libdir) output_format="" auto=false suffix=$(get_libname)
604 [[ -z ${ED+set} ]] && local ED=${D%/}${EPREFIX}/ 615 [[ -z ${ED+set} ]] && local ED=${D%/}${EPREFIX}/
605 616
606 tc-is-static-only && return 617 tc-is-static-only && return
607 618
619 # Eventually we'd like to get rid of this func completely #417451
620 case ${CTARGET:-${CHOST}} in
621 *-darwin*) ;;
622 *linux*|*-freebsd*|*-openbsd*|*-netbsd*)
623 use prefix && return 0 ;;
624 *) return 0 ;;
625 esac
626
608 # Just make sure it exists 627 # Just make sure it exists
609 dodir /usr/${libdir} 628 dodir /usr/${libdir}
610 629
611 if [[ $1 == "-a" ]] ; then 630 if [[ $1 == "-a" ]] ; then
612 auto=true 631 auto=true
669 # understand linker scripts, just create a symlink. 688 # understand linker scripts, just create a symlink.
670 pushd "${ED}/usr/${libdir}" > /dev/null 689 pushd "${ED}/usr/${libdir}" > /dev/null
671 ln -snf "../../${libdir}/${tlib}" "${lib}" 690 ln -snf "../../${libdir}/${tlib}" "${lib}"
672 popd > /dev/null 691 popd > /dev/null
673 ;; 692 ;;
674 *-aix*|*-irix*|*64*-hpux*|*-interix*|*-winnt*)
675 if ${auto} ; then
676 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die
677 # no way to retrieve soname on these platforms (?)
678 tlib=$(readlink "${ED}"/${libdir}/${lib})
679 tlib=${tlib##*/}
680 if [[ -z ${tlib} ]] ; then
681 # ok, apparently was not a symlink, don't remove it and
682 # just link to it
683 tlib=${lib}
684 else
685 rm -f "${ED}"/${libdir}/${lib}
686 fi
687 else
688 tlib=${lib}
689 fi
690
691 # we don't have GNU binutils on these platforms, so we symlink
692 # instead, which seems to work fine. Keep it relative, otherwise
693 # we break some QA checks in Portage
694 # on interix, the linker scripts would work fine in _most_
695 # situations. if a library links to such a linker script the
696 # absolute path to the correct library is inserted into the binary,
697 # which is wrong, since anybody linking _without_ libtool will miss
698 # some dependencies, since the stupid linker cannot find libraries
699 # hardcoded with absolute paths (as opposed to the loader, which
700 # seems to be able to do this).
701 # this has been seen while building shared-mime-info which needs
702 # libxml2, but links without libtool (and does not add libz to the
703 # command line by itself).
704 pushd "${ED}/usr/${libdir}" > /dev/null
705 ln -snf "../../${libdir}/${tlib}" "${lib}"
706 popd > /dev/null
707 ;;
708 hppa*-hpux*) # PA-RISC 32bit (SOM) only, others (ELF) match *64*-hpux* above.
709 if ${auto} ; then
710 tlib=$(chatr "${ED}"/usr/${libdir}/${lib} | sed -n '/internal name:/{n;s/^ *//;p;q}')
711 [[ -z ${tlib} ]] && tlib=${lib}
712 tlib=${tlib##*/} # 'internal name' can have a path component
713 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die
714 # some SONAMEs are funky: they encode a version before the .so
715 if [[ ${tlib} != ${lib}* ]] ; then
716 mv "${ED}"/usr/${libdir}/${tlib}* "${ED}"/${libdir}/ || die
717 fi
718 [[ ${tlib} != ${lib} ]] &&
719 rm -f "${ED}"/${libdir}/${lib}
720 else
721 tlib=$(chatr "${ED}"/${libdir}/${lib} | sed -n '/internal name:/{n;s/^ *//;p;q}')
722 [[ -z ${tlib} ]] && tlib=${lib}
723 tlib=${tlib##*/} # 'internal name' can have a path component
724 fi
725 pushd "${ED}"/usr/${libdir} >/dev/null
726 ln -snf "../../${libdir}/${tlib}" "${lib}"
727 # need the internal name in usr/lib too, to be available at runtime
728 # when linked with /path/to/lib.sl (hardcode_direct_absolute=yes)
729 [[ ${tlib} != ${lib} ]] &&
730 ln -snf "../../${libdir}/${tlib}" "${tlib}"
731 popd >/dev/null
732 ;;
733 *) 693 *)
734 if ${auto} ; then 694 if ${auto} ; then
735 tlib=$(scanelf -qF'%S#F' "${ED}"/usr/${libdir}/${lib}) 695 tlib=$(scanelf -qF'%S#F' "${ED}"/usr/${libdir}/${lib})
736 [[ -z ${tlib} ]] && die "unable to read SONAME from ${lib}" 696 [[ -z ${tlib} ]] && die "unable to read SONAME from ${lib}"
737 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die 697 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die

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