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# Copyright 1999-2003 Gentoo Technologies, Inc.
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /home/cvsroot/gentoo-x86/eclass/eutils.eclass,v 1.19 2003/02/16 20:12:26 azarah Exp $
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#
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# Author: Martin Schlemmer <azarah@gentoo.org>
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#
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# This eclass is for general purpose functions that most ebuilds
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# have to implement themselves.
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#
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# NB: If you add anything, please comment it!
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ECLASS=eutils
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INHERITED="$INHERITED $ECLASS"
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newdepend "!bootstrap? ( sys-devel/patch )"
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[ -z "$DESCRIPTION" ] && DESCRIPTION="Based on the ${ECLASS} eclass"
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# This function generate linker scripts in /usr/lib for dynamic
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# libs in /lib. This is to fix linking problems when you have
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# the .so in /lib, and the .a in /usr/lib. What happens is that
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# in some cases when linking dynamic, the .a in /usr/lib is used
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# instead of the .so in /lib due to gcc/libtool tweaking ld's
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# library search path. This cause many builds to fail.
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# See bug #4411 for more info.
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#
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# To use, simply call:
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#
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# gen_usr_ldscript libfoo.so
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#
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# Note that you should in general use the unversioned name of
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# the library, as ldconfig should usually update it correctly
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# to point to the latest version of the library present.
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#
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# <azarah@gentoo.org> (26 Oct 2002)
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#
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gen_usr_ldscript() {
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# Just make sure it exists
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dodir /usr/lib
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cat > ${D}/usr/lib/$1 <<"END_LDSCRIPT"
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/* GNU ld script
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Because Gentoo have critical dynamic libraries
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in /lib, and the static versions in /usr/lib, we
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need to have a "fake" dynamic lib in /usr/lib,
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otherwise we run into linking problems.
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See bug #4411 on http://bugs.gentoo.org/ for
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more info. */
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GROUP ( /lib/libxxx )
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END_LDSCRIPT
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dosed "s:libxxx:$1:" /usr/lib/$1
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return 0
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}
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# Simple function to draw a line consisting of '=' the same length as $*
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#
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# <azarah@gentoo.org> (11 Nov 2002)
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#
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draw_line() {
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local i=0
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local str_length=""
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# Handle calls that do not have args, or wc not being installed ...
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if [ -z "$1" -o ! -x "$(which wc 2>/dev/null)" ]
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then
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echo "==============================================================="
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return 0
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fi
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# Get the length of $*
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str_length="$(echo -n "$*" | wc -m)"
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while [ "$i" -lt "${str_length}" ]
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do
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echo -n "="
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i=$((i + 1))
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done
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echo
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return 0
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}
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# Default directory where patches are located
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EPATCH_SOURCE="${WORKDIR}/patch"
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# Default extension for patches
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EPATCH_SUFFIX="patch.bz2"
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# Default options for patch
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EPATCH_OPTS=""
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# List of patches not to apply. Not this is only file names,
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# and not the full path ..
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EPATCH_EXCLUDE=""
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# Change the printed message for a single patch.
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EPATCH_SINGLE_MSG=""
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# This function is for bulk patching, or in theory for just one
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# or two patches.
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#
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# It should work with .bz2, .gz, .zip and plain text patches.
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# Currently all patches should be the same format.
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#
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# You do not have to specify '-p' option to patch, as it will
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# try with -p0 to -p5 until it succeed, or fail at -p5.
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#
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# Above EPATCH_* variables can be used to control various defaults,
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# bug they should be left as is to ensure an ebuild can rely on
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# them for.
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#
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# Patches are applied in current directory.
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#
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# Bulk Patches should preferibly have the form of:
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#
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# ??_${ARCH}_foo.${EPATCH_SUFFIX}
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#
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# For example:
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#
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# 01_all_misc-fix.patch.bz2
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# 02_sparc_another-fix.patch.bz2
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#
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# This ensures that there are a set order, and you can have ARCH
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# specific patches.
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#
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# If you however give an argument to epatch(), it will treat it as a
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# single patch that need to be applied if its a file. If on the other
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# hand its a directory, it will set EPATCH_SOURCE to this.
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#
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# <azarah@gentoo.org> (10 Nov 2002)
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#
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epatch() {
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local PIPE_CMD=""
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local STDERR_TARGET="${T}/$$.out"
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local PATCH_TARGET="${T}/$$.patch"
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local PATCH_SUFFIX=""
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local SINGLE_PATCH="no"
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local x=""
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if [ "$#" -gt 1 ]
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then
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eerror "Invalid arguments to epatch()"
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die "Invalid arguments to epatch()"
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fi
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if [ -n "$1" -a -f "$1" ]
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then
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SINGLE_PATCH="yes"
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local EPATCH_SOURCE="$1"
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local EPATCH_SUFFIX="${1##*\.}"
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elif [ -n "$1" -a -d "$1" ]
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then
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local EPATCH_SOURCE="$1/*.${EPATCH_SUFFIX}"
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else
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if [ ! -d ${EPATCH_SOURCE} ]
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then
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if [ -n "$1" -a "${EPATCH_SOURCE}" = "${WORKDIR}/patch" ]
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then
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EPATCH_SOURCE="$1"
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fi
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echo
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eerror "Cannot find \$EPATCH_SOURCE! Value for \$EPATCH_SOURCE is:"
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eerror
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eerror " ${EPATCH_SOURCE}"
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echo
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die "Cannot find \$EPATCH_SOURCE!"
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fi
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local EPATCH_SOURCE="${EPATCH_SOURCE}/*.${EPATCH_SUFFIX}"
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fi
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case ${EPATCH_SUFFIX##*\.} in
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bz2)
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PIPE_CMD="bzip2 -dc"
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PATCH_SUFFIX="bz2"
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;;
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gz|Z|z)
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PIPE_CMD="gzip -dc"
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PATCH_SUFFIX="gz"
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;;
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ZIP|zip)
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PIPE_CMD="unzip -p"
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PATCH_SUFFIX="zip"
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;;
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*)
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PIPE_CMD="cat"
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PATCH_SUFFIX="patch"
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;;
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esac
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if [ "${SINGLE_PATCH}" = "no" ]
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then
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einfo "Applying various patches (bugfixes/updates)..."
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fi
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for x in ${EPATCH_SOURCE}
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do
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# New ARCH dependant patch naming scheme...
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#
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# ???_arch_foo.patch
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#
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if [ -f ${x} ] && \
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[ "${SINGLE_PATCH}" = "yes" -o "${x/_all_}" != "${x}" -o "`eval echo \$\{x/_${ARCH}_\}`" != "${x}" ]
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then
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local count=0
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local popts="${EPATCH_OPTS}"
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if [ -n "${EPATCH_EXCLUDE}" ]
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then
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if [ "`eval echo \$\{EPATCH_EXCLUDE/${x##*/}\}`" != "${EPATCH_EXCLUDE}" ]
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then
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continue
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fi
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fi
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if [ "${SINGLE_PATCH}" = "yes" ]
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then
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if [ -n "${EPATCH_SINGLE_MSG}" ]
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then
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einfo "${EPATCH_SINGLE_MSG}"
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else
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einfo "Applying ${x##*/}..."
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fi
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else
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einfo " ${x##*/}..."
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fi
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echo "***** ${x##*/} *****" > ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
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echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
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# Allow for prefix to differ ... im lazy, so shoot me :/
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while [ "${count}" -lt 5 ]
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do
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# Generate some useful debug info ...
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draw_line "***** ${x##*/} *****" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
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echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
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if [ "${PATCH_SUFFIX}" != "patch" ]
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then
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echo -n "PIPE_COMMAND: " >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
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echo "${PIPE_CMD} ${x} > ${PATCH_TARGET}" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
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else
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PATCH_TARGET="${x}"
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fi
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echo -n "PATCH COMMAND: " >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
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echo "patch ${popts} -p${count} < ${PATCH_TARGET}" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
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echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
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draw_line "***** ${x##*/} *****" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
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if [ "${PATCH_SUFFIX}" != "patch" ]
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then
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if ! (${PIPE_CMD} ${x} > ${PATCH_TARGET}) >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 2>&1
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then
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echo
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eerror "Could not extract patch!"
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#die "Could not extract patch!"
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count=5
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break
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fi
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fi
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if (cat ${PATCH_TARGET} | patch ${popts} --dry-run -f -p${count}) >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/} 2>&1
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then
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draw_line "***** ${x##*/} *****" > ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
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echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
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echo "ACTUALLY APPLYING ${x##*/}..." >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
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echo >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
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draw_line "***** ${x##*/} *****" >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
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cat ${PATCH_TARGET} | patch ${popts} -p${count} >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real 2>&1
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if [ "$?" -ne 0 ]
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then
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cat ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real >> ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
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echo
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eerror "A dry-run of patch command succeeded, but actually"
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eerror "applying the patch failed!"
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#die "Real world sux compared to the dreamworld!"
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count=5
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fi
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rm -f ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}.real
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break
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fi
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count=$((count + 1))
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done
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if [ "${PATCH_SUFFIX}" != "patch" ]
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then
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rm -f ${PATCH_TARGET}
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fi
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if [ "${count}" -eq 5 ]
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then
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echo
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eerror "Failed Patch: ${x##*/}!"
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eerror
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eerror "Include in your bugreport the contents of:"
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eerror
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eerror " ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}"
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echo
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die "Failed Patch: ${x##*/}!"
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fi
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rm -f ${STDERR_TARGET%/*}/${x##*/}-${STDERR_TARGET##*/}
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eend 0
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fi
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done
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if [ "${SINGLE_PATCH}" = "no" ]
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then
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einfo "Done with patching"
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fi
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}
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# This function check how many cpu's are present, and then set
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# -j in MAKEOPTS accordingly.
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#
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# Thanks to nall <nall@gentoo.org> for this.
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#
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get_number_of_jobs() {
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local jobs=0
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if [ ! -r /proc/cpuinfo ]
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then
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return 1
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fi
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# This bit is from H?kan Wessberg <nacka-gentoo@refug.org>, bug #13565.
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if [ "`egrep "^[[:space:]]*MAKEOPTS=" /etc/make.conf | wc -l`" -gt 0 ]
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then
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ADMINOPTS="`egrep "^[[:space:]]*MAKEOPTS=" /etc/make.conf | cut -d= -f2 | sed 's/\"//g'`"
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ADMINPARAM="`echo ${ADMINOPTS} | gawk '{match($0, /-j *[0-9]*/, opt); print opt[0]}'`"
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ADMINPARAM="${ADMINPARAM/-j}"
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fi
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export MAKEOPTS="`echo ${MAKEOPTS} | sed -e 's:-j *[0-9]*::g'`"
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if [ "${ARCH}" = "x86" -o "${ARCH}" = "hppa" ]
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then
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# x86 and hppa always has "processor"
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jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))"
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elif [ "${ARCH}" = "sparc" -o "${ARCH}" = "sparc64" ]
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then
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# sparc always has "ncpus active"
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jobs="$((`grep "^ncpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))"
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elif [ "${ARCH}" = "alpha" ]
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then
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# alpha has "cpus active", but only when compiled with SMP
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if [ "`grep -c "^cpus active" /proc/cpuinfo`" -eq 1 ]
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then
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jobs="$((`grep "^cpus active" /proc/cpuinfo | sed -e "s/^.*: //"` * 2))"
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else
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jobs=2
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fi
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elif [ "${ARCH}" = "ppc" ]
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then
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# ppc has "processor", but only when compiled with SMP
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if [ "`grep -c "^processor" /proc/cpuinfo`" -eq 1 ]
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then
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jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))"
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else
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jobs=2
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fi
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elif [ "${ARCH}" = "mips" ]
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then
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# mips always has "processor"
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jobs="$((`grep -c ^processor /proc/cpuinfo` * 2))"
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else
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jobs="$((`grep -c ^cpu /proc/cpuinfo` * 2))"
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die "Unknown ARCH -- ${ARCH}!"
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fi
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# Make sure the number is valid ...
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if [ "${jobs}" -lt 1 ]
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then
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jobs=1
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fi
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if [ -n "${ADMINPARAM}" ]
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then
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if [ "${jobs}" -gt "${ADMINPARAM}" ]
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then
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einfo "Setting make jobs to \"-j${ADMINPARAM}\" to ensure successful merge..."
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export MAKEOPTS="${MAKEOPTS} -j${ADMINPARAM}"
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else
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einfo "Setting make jobs to \"-j${jobs}\" to ensure successful merge..."
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export MAKEOPTS="${MAKEOPTS} -j${jobs}"
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fi
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fi
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}
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