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AC_INIT([OpenFst], [1.8.4], [help@www.openfst.org])
AM_INIT_AUTOMAKE([foreign nostdinc -Wall -Werror subdir-objects])
AM_PROG_AR
AC_PROG_CXX
# This library does not throw exceptions, so we do not generate exception
# handling code. However, users are free to re-enable exception handling.
CXX="$CXX -std=c++17 -fno-exceptions -Wno-deprecated-declarations"
AC_DISABLE_STATIC
AC_PROG_LIBTOOL
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_SRCDIR([src/lib/fst.cc])
AC_CONFIG_FILES([
Makefile
src/Makefile
src/include/Makefile
src/lib/Makefile
src/bin/Makefile
src/test/Makefile
src/extensions/Makefile
src/extensions/compact/Makefile
src/extensions/compress/Makefile
src/extensions/const/Makefile
src/extensions/far/Makefile
src/extensions/linear/Makefile
src/extensions/lookahead/Makefile
src/extensions/mpdt/Makefile
src/extensions/ngram/Makefile
src/extensions/pdt/Makefile
src/extensions/python/Makefile
src/extensions/special/Makefile
src/script/Makefile
])
AC_CONFIG_MACRO_DIR([m4])
AC_LANG([C++])
AC_ARG_ENABLE([compact-fsts],
[AS_HELP_STRING([--enable-compact-fsts],
[enable CompactFst extensions])],
[],
[enable_compact_fsts=no])
AM_CONDITIONAL([HAVE_COMPACT], [test "x$enable_compact_fsts" != xno])
AC_ARG_ENABLE([compress],
[AS_HELP_STRING([--enable-compress],
[enable compression extension])],
[],
[enable_compress=no])
AM_CONDITIONAL([HAVE_COMPRESS], [test "x$enable_compress" != xno])
AC_ARG_ENABLE([const-fsts],
[AS_HELP_STRING([--enable-const-fsts],
[enable ConstFst extensions])],
[],
[enable_const_fsts=no])
AM_CONDITIONAL([HAVE_CONST], [test "x$enable_const_fsts" != xno])
AC_ARG_ENABLE([far],
[AS_HELP_STRING([--enable-far], [enable FAR extensions])],
[],
[enable_far=no])
AM_CONDITIONAL([HAVE_FAR], [test "x$enable_far" != xno])
AC_ARG_ENABLE([linear-fsts],
[AS_HELP_STRING([--enable-linear-fsts],
[enable LinearTagger/ClassifierFst extensions])],
[],
[enable_linear_fsts=no])
AM_CONDITIONAL([HAVE_LINEAR], [test "x$enable_linear_fsts" != xno])
AC_ARG_ENABLE([lookahead-fsts],
[AS_HELP_STRING([--enable-lookahead-fsts],
[enable LookAheadFst extensions])],
[],
[enable_lookahead_fsts=no])
AM_CONDITIONAL([HAVE_LOOKAHEAD], [test "x$enable_lookahead_fsts" != xno])
AC_ARG_ENABLE([mpdt],
[AS_HELP_STRING([--enable-mpdt],
[enable MPDT extensions])],
[],
[enable_mpdt=no])
AM_CONDITIONAL([HAVE_MPDT], [test "x$enable_mpdt" != xno])
AC_ARG_ENABLE([ngram-fsts],
[AS_HELP_STRING([--enable-ngram-fsts],
[enable NGramFst extension])],
[],
[enable_ngram_fsts=no])
AM_CONDITIONAL([HAVE_NGRAM], [test "x$enable_ngram_fsts" != xno])
AC_ARG_ENABLE([pdt],
[AS_HELP_STRING([--enable-pdt],
[enable PDT extensions])],
[],
[enable_pdt=no])
AM_CONDITIONAL([HAVE_PDT], [test "x$enable_pdt" != xno])
AC_ARG_ENABLE([python],
[AS_HELP_STRING([--enable-python],
[enable Python extensions])],
[],
[enable_python=no])
AM_CONDITIONAL([HAVE_PYTHON], [test "x$enable_python" != xno])
if test "x$enable_python" != xno; then
AM_PATH_PYTHON
AX_PYTHON_DEVEL(,,AC_MSG_ERROR([Python headers not found]))
fi
AC_ARG_ENABLE([special],
[AS_HELP_STRING([--enable-special],
[enable special-matcher extensions])],
[],
[enable_special=no])
AM_CONDITIONAL([HAVE_SPECIAL], [test "x$enable_special" != xno])
# --enable-bin enables script and bin "extensions".
AC_ARG_ENABLE([bin],
[AS_HELP_STRING([--enable-bin],
[enable fst::script and command-line binaries])],
[],
[enable_bin=yes])
AM_CONDITIONAL([HAVE_BIN], [test "x$enable_bin" != xno])
AM_CONDITIONAL([HAVE_SCRIPT], [test "x$enable_bin" != xno])
# --enable-fsts is an alias to enable FST SO extensions: compact, const,
# linear, lookahead, and ngram.
AC_ARG_ENABLE([fsts],
[AS_HELP_STRING([--enable-fsts],
[enable all FST SOs])],
[],
[enable_fsts=no])
AM_CONDITIONAL([HAVE_FSTS], [test "x$enable_fsts" != xno])
# --enable-grm is an alias to enable all dependencies of OpenGrm: far, mpdt,
# and pdt.
AC_ARG_ENABLE([grm],
[AS_HELP_STRING([--enable-grm],
[enable all dependencies of OpenGrm])],
[],
[enable_grm=no])
AM_CONDITIONAL([HAVE_GRM], [test "x$enable_grm" != xno])
AC_ARG_WITH([libfstdir],
[--with-libfstdir[=DIR] fst dynamic extensions [[LIBDIR/fst]]],
[], [with_libfstdir=[${libdir}/fst]])
AC_SUBST([libfstdir], $with_libfstdir)
# Flags may be changed after configuring, so this is checked again by
# weight_test.cc. The check here is to save time in the common case,
# or when someone does not run `make check`.
AC_RUN_IFELSE([AC_LANG_PROGRAM([
#include <cstdio>
template <typename T>
bool FloatEqIsReflexive(T m) {
volatile T x = 1.111;
x *= m;
T y = 1.111;
y *= m;
return x == y;
}
], [
volatile double test_value = 1.1;
if (!FloatEqIsReflexive(static_cast<float>(test_value))) {
printf("float FAIL\n");
return 1;
}
if (!FloatEqIsReflexive(test_value)) {
printf("double FAIL\n");
return 1;
}
])],
[echo "Checking for float equality... yes"],
[AC_MSG_FAILURE(m4_normalize([
"Checking for float equality... no
Compile with -msse -mfpmath=sse if using g++."
]))])
AC_CHECK_LIB([dl], dlopen, [DL_LIBS=-ldl])
AC_SUBST([DL_LIBS])
AC_OUTPUT
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