/[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 1.92 2009/08/15 15:11:17 grobian Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.97 2009/12/01 04:44:17 vapier 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
86tc-getFC() { tc-getPROG FC gfortran "$@"; } 86tc-getFC() { tc-getPROG FC gfortran "$@"; }
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# @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 "$@"; }
91 95
92# @FUNCTION: tc-getBUILD_CC 96# @FUNCTION: tc-getBUILD_CC
93# @USAGE: [toolchain prefix] 97# @USAGE: [toolchain prefix]
94# @RETURN: name of the C compiler for building binaries to run on the build machine 98# @RETURN: name of the C compiler for building binaries to run on the build machine
95tc-getBUILD_CC() { 99tc-getBUILD_CC() {
162tc-is-static-only() { 166tc-is-static-only() {
163 local host=${CTARGET:-${CHOST}} 167 local host=${CTARGET:-${CHOST}}
164 168
165 # *MiNT doesn't have shared libraries, only platform so far 169 # *MiNT doesn't have shared libraries, only platform so far
166 return $([[ ${host} == *-mint* ]]) 170 return $([[ ${host} == *-mint* ]])
171}
172
173# @FUNCTION: tc-has-tls
174# @USAGE: [-s|-c|-l] [toolchain prefix]
175# @DESCRIPTION:
176# See if the toolchain supports thread local storage (TLS). Use -s to test the
177# compiler, -c to also test the assembler, and -l to also test the C library
178# (the default).
179tc-has-tls() {
180 local base="${T}/test-tc-tls"
181 cat <<-EOF > "${base}.c"
182 int foo(int *i) {
183 static __thread int j = 0;
184 return *i ? j : *i;
185 }
186 EOF
187 local flags
188 case $1 in
189 -s) flags="-S";;
190 -c) flags="-c";;
191 -l) ;;
192 -*) die "Usage: tc-has-tls [-c|-l] [toolchain prefix]";;
193 esac
194 : ${flags:=-fPIC -shared -Wl,-z,defs}
195 [[ $1 == -* ]] && shift
196 $(tc-getCC "$@") ${flags} "${base}.c" -o "${base}" >&/dev/null
197 local ret=$?
198 rm -f "${base}"*
199 return ${ret}
167} 200}
168 201
169 202
170# Parse information from CBUILD/CHOST/CTARGET rather than 203# Parse information from CBUILD/CHOST/CTARGET rather than
171# use external variables from the profile. 204# use external variables from the profile.
469 # Since we moved the lib from usr/lib into lib this reference is 502 # Since we moved the lib from usr/lib into lib this reference is
470 # wrong. Hence, we update it here. We don't configure with 503 # wrong. Hence, we update it here. We don't configure with
471 # libdir=/lib because that messes up libtool files. 504 # libdir=/lib because that messes up libtool files.
472 # Make sure we don't lose the specific version, so just modify the 505 # Make sure we don't lose the specific version, so just modify the
473 # existing install_name 506 # existing install_name
507 if [[ ! -w "${ED}/${libdir}/${tlib}" ]] ; then
508 chmod u+w "${ED}${libdir}/${tlib}" # needed to write to it
509 local nowrite=yes
510 fi
474 install_name_tool \ 511 install_name_tool \
475 -id "${EPREFIX}"/${libdir}/${tlib} \ 512 -id "${EPREFIX}"/${libdir}/${tlib} \
476 "${ED}"/${libdir}/${tlib} 513 "${ED}"/${libdir}/${tlib} || die "install_name_tool failed"
514 [[ -n ${nowrite} ]] && chmod u-w "${ED}${libdir}/${tlib}"
477 # Now as we don't use GNU binutils and our linker doesn't 515 # Now as we don't use GNU binutils and our linker doesn't
478 # understand linker scripts, just create a symlink. 516 # understand linker scripts, just create a symlink.
479 pushd "${ED}/usr/${libdir}" > /dev/null 517 pushd "${ED}/usr/${libdir}" > /dev/null
480 ln -snf "../../${libdir}/${tlib}" "${lib}" 518 ln -snf "../../${libdir}/${tlib}" "${lib}"
481 popd > /dev/null 519 popd > /dev/null
482 ;; 520 ;;
483 *-aix*|*-irix*|*-hpux*|*-interix*|*-winnt*) 521 *-aix*|*-irix*|*64*-hpux*|*-interix*|*-winnt*)
484 if ${auto} ; then 522 if ${auto} ; then
485 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die 523 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die
486 # no way to retrieve soname on these platforms (?) 524 # no way to retrieve soname on these platforms (?)
487 tlib=$(readlink "${ED}"/${libdir}/${lib}) 525 tlib=$(readlink "${ED}"/${libdir}/${lib})
488 tlib=${tlib##*/} 526 tlib=${tlib##*/}
512 # command line by itself). 550 # command line by itself).
513 pushd "${ED}/usr/${libdir}" > /dev/null 551 pushd "${ED}/usr/${libdir}" > /dev/null
514 ln -snf "../../${libdir}/${tlib}" "${lib}" 552 ln -snf "../../${libdir}/${tlib}" "${lib}"
515 popd > /dev/null 553 popd > /dev/null
516 ;; 554 ;;
555 hppa*-hpux*) # PA-RISC 32bit (SOM) only, others (ELF) match *64*-hpux* above.
556 if ${auto} ; then
557 tlib=$(chatr "${ED}"/usr/${libdir}/${lib} | sed -n '/internal name:/{n;s/^ *//;p;q}')
558 [[ -z ${tlib} ]] && tlib=${lib}
559 tlib=${tlib##*/} # 'internal name' can have a path component
560 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die
561 # some SONAMEs are funky: they encode a version before the .so
562 if [[ ${tlib} != ${lib}* ]] ; then
563 mv "${ED}"/usr/${libdir}/${tlib}* "${ED}"/${libdir}/ || die
564 fi
565 [[ ${tlib} != ${lib} ]] &&
566 rm -f "${ED}"/${libdir}/${lib}
567 else
568 tlib=$(chatr "${ED}"/${libdir}/${lib} | sed -n '/internal name:/{n;s/^ *//;p;q}')
569 [[ -z ${tlib} ]] && tlib=${lib}
570 tlib=${tlib##*/} # 'internal name' can have a path component
571 fi
572 pushd "${ED}"/usr/${libdir} >/dev/null
573 ln -snf "../../${libdir}/${tlib}" "${lib}"
574 # need the internal name in usr/lib too, to be available at runtime
575 # when linked with /path/to/lib.sl (hardcode_direct_absolute=yes)
576 [[ ${tlib} != ${lib} ]] &&
577 ln -snf "../../${libdir}/${tlib}" "${tlib}"
578 popd >/dev/null
579 ;;
517 *) 580 *)
518 if ${auto} ; then 581 if ${auto} ; then
519 tlib=$(scanelf -qF'%S#F' "${ED}"/usr/${libdir}/${lib}) 582 tlib=$(scanelf -qF'%S#F' "${ED}"/usr/${libdir}/${lib})
520 [[ -z ${tlib} ]] && die "unable to read SONAME from ${lib}" 583 [[ -z ${tlib} ]] && die "unable to read SONAME from ${lib}"
521 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die 584 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die

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