| 1 | # Copyright 1999-2006 Gentoo Foundation |
1 | # Copyright 1999-2006 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/eutils.eclass,v 1.266 2007/01/04 22:14:34 flameeyes Exp $ |
3 | # $Header: /var/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.268 2007/01/13 19:36:14 vapier Exp $ |
| 4 | # |
4 | # |
| 5 | # This eclass is for general purpose functions that most ebuilds |
5 | # This eclass is for general purpose functions that most ebuilds |
| 6 | # have to implement themselves. |
6 | # have to implement themselves. |
| 7 | # |
7 | # |
| 8 | # NB: If you add anything, please comment it! |
8 | # NB: If you add anything, please comment it! |
| … | |
… | |
| 1536 | # an example might be from libogg.so.0 to libogg.so.1. Removing libogg.so.0 |
1536 | # an example might be from libogg.so.0 to libogg.so.1. Removing libogg.so.0 |
| 1537 | # would break packages that link against it. Most people get around this |
1537 | # would break packages that link against it. Most people get around this |
| 1538 | # by using the portage SLOT mechanism, but that is not always a relevant |
1538 | # by using the portage SLOT mechanism, but that is not always a relevant |
| 1539 | # solution, so instead you can add the following to your ebuilds: |
1539 | # solution, so instead you can add the following to your ebuilds: |
| 1540 | # |
1540 | # |
| 1541 | # src_install() { |
1541 | # pkg_preinst() { |
| 1542 | # ... |
1542 | # ... |
| 1543 | # preserve_old_lib /usr/$(get_libdir)/libogg.so.0 |
1543 | # preserve_old_lib /usr/$(get_libdir)/libogg.so.0 |
| 1544 | # ... |
1544 | # ... |
| 1545 | # } |
1545 | # } |
| 1546 | # |
1546 | # |
| … | |
… | |
| 1549 | # preserve_old_lib_notify /usr/$(get_libdir)/libogg.so.0 |
1549 | # preserve_old_lib_notify /usr/$(get_libdir)/libogg.so.0 |
| 1550 | # ... |
1550 | # ... |
| 1551 | # } |
1551 | # } |
| 1552 | |
1552 | |
| 1553 | preserve_old_lib() { |
1553 | preserve_old_lib() { |
| 1554 | LIB=$1 |
1554 | if [[ ${EBUILD_PHASE} != "preinst" ]] ; then |
|
|
1555 | eerror "preserve_old_lib() must be called from pkg_preinst() only" |
|
|
1556 | # die "Invalid preserve_old_lib() usage" |
|
|
1557 | fi |
|
|
1558 | [[ -z $1 ]] && die "Usage: preserve_old_lib <library to preserve> [more libraries to preserve]" |
| 1555 | |
1559 | |
| 1556 | if [ -n "${LIB}" -a -f "${ROOT}${LIB}" ]; then |
1560 | local lib dir |
| 1557 | SONAME=`basename ${LIB}` |
1561 | for lib in "$@" ; do |
| 1558 | DIRNAME=`dirname ${LIB}` |
1562 | [[ -e ${ROOT}/${lib} ]] || continue |
| 1559 | |
1563 | dir=${lib%/*} |
| 1560 | dodir ${DIRNAME} |
1564 | dodir ${dir} || die "dodir ${dir} failed" |
| 1561 | cp ${ROOT}${LIB} ${D}${DIRNAME} |
1565 | cp "${ROOT}"/${lib} "${D}"/${lib} || die "cp ${lib} failed" |
| 1562 | touch ${D}${LIB} |
1566 | touch "${D}"/${lib} |
| 1563 | fi |
1567 | done |
| 1564 | } |
1568 | } |
| 1565 | |
1569 | |
| 1566 | preserve_old_lib_notify() { |
1570 | preserve_old_lib_notify() { |
| 1567 | LIB=$1 |
1571 | if [[ ${EBUILD_PHASE} != "postinst" ]] ; then |
|
|
1572 | eerror "preserve_old_lib_notify() must be called from pkg_postinst() only" |
|
|
1573 | # die "Invalid preserve_old_lib_notify() usage" |
|
|
1574 | fi |
| 1568 | |
1575 | |
| 1569 | if [ -n "${LIB}" -a -f "${ROOT}${LIB}" ]; then |
1576 | local lib notice=0 |
| 1570 | SONAME=`basename ${LIB}` |
1577 | for lib in "$@" ; do |
| 1571 | |
1578 | [[ -e ${ROOT}/${lib} ]] || continue |
|
|
1579 | if [[ ${notice} -eq 0 ]] ; then |
|
|
1580 | notice=1 |
| 1572 | ewarn "An old version of an installed library was detected on your system." |
1581 | ewarn "Old versions of installed libraries were detected on your system." |
| 1573 | ewarn "In order to avoid breaking packages that link against it, this older version" |
1582 | ewarn "In order to avoid breaking packages that depend on these old libs," |
| 1574 | ewarn "is not being removed. In order to make full use of this newer version," |
1583 | ewarn "the libraries are not being removed. You need to run revdep-rebuild" |
| 1575 | ewarn "you will need to execute the following command:" |
1584 | ewarn "in order to remove these old dependencies. If you do not have this" |
| 1576 | ewarn " revdep-rebuild --library ${SONAME}" |
1585 | ewarn "helper program, simply emerge the 'gentoolkit' package." |
| 1577 | ewarn |
1586 | ewarn |
| 1578 | ewarn "After doing that, you can safely remove ${LIB}" |
|
|
| 1579 | ewarn "Note: 'emerge gentoolkit' to get revdep-rebuild" |
|
|
| 1580 | fi |
1587 | fi |
|
|
1588 | ewarn " # revdep-rebuild --library ${lib##*/}" |
|
|
1589 | done |
| 1581 | } |
1590 | } |
| 1582 | |
1591 | |
| 1583 | # Hack for people to figure out if a package was built with |
1592 | # Hack for people to figure out if a package was built with |
| 1584 | # certain USE flags |
1593 | # certain USE flags |
| 1585 | # |
1594 | # |
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