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jeremybenn |
#! /bin/sh
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# Wrapper around gettext for programs using the msgid convention.
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# Copyright 1998, 2001, 2002, 2003, 2009 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 3, 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 COPYING3. If not see
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# .
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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 and %n 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, %e and %n strings..." >&2
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( cd $srcdir
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lang_subdirs=`echo */config-lang.in */*/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$/)
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format="c-format"
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if (n == 1) { keyword = "--keyword=" name }
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else {
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keyword = "--keyword=" name ":" n
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if (name ~ /_n$/)
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keyword = keyword "," (n + 1)
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}
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if (format) {
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keyword=keyword "\n--flag=" name ":" n ":" format
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if (name ~ /_n$/)
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keyword = keyword "\n--flag=" name ":" (n + 1) ":" 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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if (index(line, "%e") != 0 && index(line, "%n") != 0) return
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while ((percent_index = index(line, "%e")) != 0 ||
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(percent_index = index(line, "%n")) != 0) {
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line = substr(line, percent_index + 2)
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bracket_index = index(line, "}")
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newline_index = index(line, "\\n")
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quote_index = index(line, "\"")
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if (bracket_index == 0 && newline_index == 0) return
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if (bracket_index != 0) {
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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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}
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else if (newline_index != 0) {
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if (quote_index != 0 && quote_index > newline_index) return
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msgid = substr(line, 1, newline_index - 1)
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line = substr(line, newline_index + 1)
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}
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if (index(msgid, "%") != 0) continue
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if ((newline_index = index(msgid, "\\n")) != 0)
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msgid = substr(msgid, 1, newline_index - 1)
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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 (/^(#[ ]*define[ ]*)?[A-Za-z_].*(\(|\(.*,)$/) {
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name_line = $0
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while (getline < file) {
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lineno++
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if (/msgid[,\)]/){
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keyword_option(name_line $0)
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break
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} else if (/,$/) {
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name_line = name_line $0
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continue
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} else break
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}
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} else if (/%e/ || /%n/) {
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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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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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