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hfst.m4
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# hfst.m4 - Macros to locate and utilise HFST scripts -*- Autoconf -*-
# serial 1 (gtsvn-1)
#
# Copyright © 2011 Divvun/Samediggi/UiT <bugs@divvun.no>.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 3 of the License.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# gt_PROG_HFST([MIN-VERSION])
#
# Check to see that workable HFST installation exists near $PATH and is new
# enough to support gt building.
#
# MIN-VERSION should be a version vector with one to three digit series
# separated by full stops. The default is 3.3.14 since it contains important
# bug fixes required for the GT infra+HFST compilation to work.
# ---------------------------
AC_DEFUN([gt_PROG_HFST],
[
### Required version of the Hfst tools:
_required_hfst_version=3.16.0
AC_ARG_WITH([hfst],
[AS_HELP_STRING([--with-hfst=DIRECTORY],
[define HFST binary path if not in PATH @<:@default=no@:>@])],
[with_hfst=$withval],
[with_hfst=$DEFAULT_HFST])
# If Xerox tools are not found, assume we want Hfst:
AS_IF([test "x$DEFAULT_HFST" = xno \
-a "x$gt_prog_xfst" = xno \
-a "x$gt_prog_foma" = xno ], [
with_hfst=yes
fallback_to_hfst="INFO: Xfst was not found, falling back to using Hfst"
])
AC_PATH_PROG(HFST_COMPOSE, hfst-compose, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_COMPOSE_INTERSECT, hfst-compose-intersect, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_CONCATENATE, hfst-concatenate, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_CONJUNCT, hfst-conjunct, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_DETERMINIZE, hfst-determinize, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_DISJUNCT, hfst-disjunct, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_FOMA, hfst-foma, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_FST2FST, hfst-fst2fst, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_FST2STRINGS, hfst-fst2strings, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_FST2TXT, hfst-fst2txt, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_INFO, hfst-info, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_INTERSECT, hfst-intersect, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_INVERT, hfst-invert, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_LEXC, hfst-lexc, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_LOOKUP, hfst-lookup, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_MINIMIZE, hfst-minimize, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_MINUS, hfst-minus, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_MULTIPLY, hfst-multiply, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_NAME, hfst-name, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_OPTIMIZED_LOOKUP, hfst-optimized-lookup, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_PAIR_TEST, hfst-pair-test, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_PROC, hfst-proc, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_PMATCH2FST, hfst-pmatch2fst, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_PROJECT, hfst-project, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_PRUNE_ALPHABET, hfst-prune-alphabet, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_PUSH_WEIGHTS, hfst-push-weights, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_REGEXP2FST, hfst-regexp2fst, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_REMOVE_EPSILONS, hfst-remove-epsilons, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_REPEAT, hfst-repeat, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_REVERSE, hfst-reverse, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_REWEIGHT, hfst-reweight, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_SPLIT, hfst-split, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_STRINGS2FST, hfst-strings2fst, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_SUBSTITUTE, hfst-substitute, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_SUBTRACT, hfst-subtract, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_SUMMARIZE, hfst-summarize, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_TOKENISE, hfst-tokenize, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_TWOLC, hfst-twolc, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_TXT2FST, hfst-txt2fst, false, $PATH$PATH_SEPARATOR$with_hfst)
AC_PATH_PROG(HFST_XFST, hfst-xfst, false, $PATH$PATH_SEPARATOR$with_hfst)
# hfst-ospell is a separate package:
AC_PATH_PROG(HFST_OSPELL, hfst-ospell, false, $PATH$PATH_SEPARATOR$with_hfst)
AS_IF([test x$with_hfst != xno], [
_gtd_hfst_min_version=m4_default([$1], [$_required_hfst_version])
AC_MSG_CHECKING([whether hfst is at least $_gtd_hfst_min_version and has the required tools])
if test x$HFST_INFO != xfalse; then
if $HFST_INFO --atleast-version=$_gtd_hfst_min_version ; then
if test x$HFST_COMPOSE = "xfalse" \
-o x$HFST_DETERMINIZE = "xfalse" \
-o x$HFST_FST2FST = "xfalse" \
-o x$HFST_INVERT = "xfalse" \
-o x$HFST_LEXC = "xfalse" \
-o x$HFST_LOOKUP = "xfalse" \
-o x$HFST_MINIMIZE = "xfalse" \
-o x$HFST_REGEXP2FST = "xfalse" \
-o x$HFST_REMOVE_EPSILONS = "xfalse" \
-o x$HFST_SUBSTITUTE = "xfalse" \
-o x$HFST_TWOLC = "xfalse" \
-o x$HFST_XFST = "xfalse" \
; then
gt_prog_hfst=no
AC_MSG_ERROR([One of the required Hfst tools were not found. For details, see above.])
else
AC_MSG_RESULT([yes])
gt_prog_hfst=yes
fi
else
AC_MSG_ERROR([You requested --with-hfst: hfst is too old. OR: no other fst tools were found (Xerox, Foma).])
fi
else
AC_MSG_RESULT([no])
gt_prog_hfst=no
if test $with_hfst != "no"; then
AC_MSG_ERROR([You requested --with-hfst, but hfst is too old or not installed])
fi
fi
], [gt_prog_hfst=no])
AM_CONDITIONAL([CAN_HFST], [test "x$gt_prog_hfst" = "xyes"])
# You can specify the fst transducer format (=backend) for hfst
# - default is 'openfst-tropical'
AC_ARG_WITH([backend-format],
[AS_HELP_STRING([--with-backend-format=FORMAT],
[enable the hfst backend format specified (one of: sfst, foma, openfst-tropical, openfst-log) @<:@default=$DEFAULT_HFST_BACKEND@:>@])],
[with_backend=$withval],
[with_backend=$DEFAULT_HFST_BACKEND])
AC_SUBST([HFST_FORMAT_NAME], [$with_backend])
AM_CONDITIONAL([WITH_OFST_TROPICAL], [test "$with_backend" == openfst-tropical])
AM_CONDITIONAL([WITH_OFST_LOG], [test "$with_backend" == openfst-log])
AM_CONDITIONAL([WITH_SFST], [test "$with_backend" == sfst])
AM_CONDITIONAL([WITH_FOMA], [test "$with_backend" == foma])
]) # gt_PROG_HFST
# vim: set ft=config: