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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [po/] [exgettext] - Blame information for rev 154

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1 38 julius
#! /bin/sh
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# Wrapper around gettext for programs using the msgid convention.
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# Copyright 1998, 2001, 2002, 2003 Free Software Foundation, Inc.
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# Written by Paul Eggert .
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# Revised by Zack Weinberg  for no-POTFILES operation.
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# This file is part of GCC.
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# GCC is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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# GCC is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING.  If not, write to
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# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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# Always operate in the C locale.
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LANG=C
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LANGUAGE=C
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LC_ALL=C
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export LANG LANGUAGE LC_ALL
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# Set AWK if environment has not already set it.
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AWK=${AWK-awk}
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# The arguments to this wrapper are: the program to execute, the
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# name of the "package", and the path to the source directory.
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if [ $# -ne 3 ]
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then    echo "usage: $0   "
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        exit 1
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fi
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xgettext=$1
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package=$2
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srcdir=$3
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case `$xgettext --version | sed -e 1q | sed -e 's/^\([^0-9]*\)//'` in
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  0.14.[5-9]* | 0.14.[1-9][0-9]* | 0.1[5-9]* | 0.[2-9][0-9]* | [1-9].*) : ;;
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  *) echo "$xgettext is too old.  GNU xgettext 0.14.5 is required"
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     exit 1 ;;
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esac
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nl='
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'
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set -e
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# Create temporary directory for scratch files.
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T=exg$$.d
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mkdir $T
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trap "rm -r $T" 0
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pwd=`${PWDCMD-pwd}`
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kopt=$pwd/$T/keyword-options
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kopt2=$pwd/$T/keyword2-options
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emsg=$pwd/$T/emsgids.c
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posr=$pwd/$T/po-sources
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pottmp1=$pwd/$T/tmp1.pot
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pottmp2=$pwd/$T/tmp2.pot
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pottmp=$pwd/$T/tmp.pot
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# Locate files to scan, and generate the list.  All .c, .h, and .def files
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# in $srcdir are examined, likewise $srcdir/config and $srcdir/config/*
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# (directories).  Also, all subdirectories of $srcdir that contain a
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# config-lang.in.  Exclusions come from $srcdir/po/EXCLUDE.
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#
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# Then generate keyword options for xgettext, by scanning for declarations
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# of functions whose parameter names end in "msgid".
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#
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# Finally, generate a source file containing all %e strings from
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# driver specs, so those can be translated too.
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#
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# All in one huge awk script.
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echo "scanning for keywords and %e strings..." >&2
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( cd $srcdir
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  lang_subdirs=`echo */config-lang.in | sed -e 's|config-lang\.in||g'`
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  { for dir in "" config/ config/*/ $lang_subdirs
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    do  for glob in '*.c' '*.h' '*.def'
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        do  eval echo $dir$glob
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        done
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    done;
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  } | tr ' ' "$nl" | grep -v '\*' |
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  $AWK -v excl=po/EXCLUDES -v posr=$posr -v kopt=$kopt -v kopt2=$kopt2 -v emsg=$emsg '
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function keyword_option(line) {
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    paren_index = index(line, "(")
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    name = substr(line, 1, paren_index - 1)
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    sub(/[^0-9A-Z_a-z]*$/, "", name)
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    sub(/[       ]+PARAMS/, "", name)
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    sub(/[       ]+VPARAMS/, "", name)
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    sub(/.*[^0-9A-Z_a-z]/, "", name)
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    args = substr(line, paren_index)
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    sub(/msgid[,\)].*/, "", args)
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    for (n = 1; sub(/^[^,]*,/, "", args); n++) {
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        continue
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    }
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    format=""
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    if (args ~ /g$/)
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        format="gcc-internal-format"
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    else if (args ~ /noc$/)
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        format="no-c-format"
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    else if (args ~ /c$/)
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        format="c-format"
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    if (n == 1) { keyword = "--keyword=" name }
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    else { keyword = "--keyword=" name ":" n }
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    if (format) {
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        keyword=keyword "\n--flag=" name ":" n ":" format
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    }
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    if (! keyword_seen[name]) {
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        if (format == "gcc-internal-format")
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                print keyword > kopt2
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        else
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                print keyword > kopt
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        keyword_seen[name] = keyword
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    } else if (keyword_seen[name] != keyword) {
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        printf("%s used incompatibly as both %s and %s\n",
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               name, keyword_seen[name], keyword)
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        exit (1)
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    }
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}
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function spec_error_string (line) {
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    while ((percent_index = index(line, "%e")) != 0) {
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        escape = substr(line, percent_index - 1, 1)
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        line = substr(line, percent_index + 2)
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        if (escape == "%") continue
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        bracket_index = index(line, "}")
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        quote_index = index(line, "\"")
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        if (bracket_index == 0) return
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        if (quote_index != 0 && bracket_index > quote_index) return
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        msgid = substr(line, 1, bracket_index - 1)
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        line = substr(line, bracket_index + 1)
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        if (index(msgid, "%") != 0) continue
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        printf("#line %d \"%s\"\n", lineno, file) > emsg
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        printf("_(\"%s\")\n", msgid) > emsg
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    }
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}
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BEGIN {
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  while ((getline < excl) > 0) {
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    if ($0 ~ /^#/ || $0 ~ /^[   ]*$/)
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      continue
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    excludes[$1] = 1
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  }
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}
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{ if (!($0 in excludes)) {
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    print > posr
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    files[NR] = $0
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  }
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}
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END {
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    for (f in files) {
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        file = files[f]
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        lineno = 1
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        while (getline < file) {
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            if (/^(#[   ]*define[       ]*)?[A-Za-z_].*\(.*msgid[,\)]/) {
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                keyword_option($0)
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            } else if (/%e/) {
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                spec_error_string($0)
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            }
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            lineno++
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        }
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    }
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    print emsg > posr
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}'
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) || exit
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echo "scanning option files..." >&2
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( cd $srcdir; find . -name '*.opt' -print |
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  $AWK '{
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    file = $1
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    lineno = 1
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    field = 0
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    while (getline < file) {
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        if (/^[ \t]*(;|$)/ || !/^[^ \t]/) {
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            field = 0
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        } else {
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            if (field == 2) {
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                line = $0
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                gsub(".*\t", "", line)
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                printf("#line %d \"%s\"\n", lineno, file)
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                printf("_(\"%s\")\n", line)
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            }
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            field++;
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        }
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        lineno++;
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    }
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  }') >> $emsg
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# Run the xgettext command, with temporary added as a file to scan.
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echo "running xgettext..." >&2
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$xgettext --default-domain=$package --directory=$srcdir \
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          --add-comments `cat $kopt` --files-from=$posr \
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          --copyright-holder="Free Software Foundation, Inc." \
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          --msgid-bugs-address="http://gcc.gnu.org/bugs.html" \
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          --language=c -o $pottmp1
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$xgettext --default-domain=$package --directory=$srcdir \
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          --add-comments --keyword= `cat $kopt2` --files-from=$posr \
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          --copyright-holder="Free Software Foundation, Inc." \
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          --msgid-bugs-address="http://gcc.gnu.org/bugs.html" \
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          --language=GCC-source -o $pottmp2
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$xgettext --default-domain=$package \
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          --add-comments $pottmp1 $pottmp2 \
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          --copyright-holder="Free Software Foundation, Inc." \
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          --msgid-bugs-address="http://gcc.gnu.org/bugs.html" \
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          --language=PO -o $pottmp
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# Remove local paths from .pot file.
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sed "s:$srcdir/::g;s:$pwd/::g;" <$pottmp >po/$package.pot

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