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- # bison-i18n.m4 serial 1 (bison-2.1)
- dnl Copyright (C) 2005 Free Software Foundation, Inc.
- dnl This file is free software; the Free Software Foundation
- dnl gives unlimited permission to copy and/or distribute it,
- dnl with or without modifications, as long as this notice is preserved.
-
- dnl From Bruno Haible.
-
- dnl Support for internationalization of bison-generated parsers.
-
- dnl BISON_I18N
- dnl should be used in configure.ac, after AM_GNU_GETTEXT. If USE_NLS is yes, it
- dnl sets BISON_LOCALEDIR to indicate where to find the bison-runtime.mo files
- dnl and defines YYENABLE_NLS if there are bison-runtime.mo files at all.
- AC_DEFUN([BISON_I18N],
- [
- if test -z "$USE_NLS"; then
- echo "The BISON-I18N macro is used without being preceded by AM-GNU-GETTEXT." 1>&2
- exit 1
- fi
- BISON_LOCALEDIR=
- if test "$USE_NLS" = yes; then
- dnl AC_PROG_YACC sets the YACC variable; other macros set the BISON variable.
- if test -n "$YACC"; then
- case "$YACC" in
- *bison*)
- if ($YACC --print-localedir) >/dev/null 2>&1; then
- BISON_LOCALEDIR=`$YACC --print-localedir`
- fi
- ;;
- esac
- else
- if test -n "$BISON"; then
- if test "$BISON" != ":"; then
- if ($BISON --print-localedir) >/dev/null 2>&1; then
- BISON_LOCALEDIR=`$BISON --print-localedir`
- fi
- fi
- fi
- fi
- AC_SUBST([BISON_LOCALEDIR])
- if test -n "$BISON_LOCALEDIR"; then
- USER_LINGUAS="${LINGUAS-%UNSET%}"
- if test -n "$USER_LINGUAS"; then
- BISON_USE_NLS=yes
- else
- BISON_USE_NLS=no
- fi
- else
- BISON_USE_NLS=no
- fi
- else
- BISON_USE_NLS=no
- fi
- if test $BISON_USE_NLS = yes; then
- AC_DEFINE([YYENABLE_NLS], 1,
- [Define to 1 to internationalize bison runtime messages.])
- fi
- ])
-