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OpenFst - Release 1.5.3
OpenFst is a library for constructing, combining, optimizing, and searching
weighted finite-state transducers (FSTs).
REQUIREMENTS:
This version is known to work under Linux using g++ (>= 4.7) and
MacOS X using XCode (>= 5). It is expected to work wherever adequate POSIX
(dlopen, ssize_t, basename), C99 (snprintf, strtoll, <stdint.h>), and C++11
(<unordered_set>, <unordered_map>, <forward_list>) support is available.
INSTALLATION:
Follow the generic GNU build system instructions in ./INSTALL. We
recommend configuring with --enable-static=no for faster compiles.
Optional features:
--enable-bin Enable fst::script and command-line binaries (def: yes)
--enable-compact-fsts Enable all CompactFst extensions (def: no)
--enable-compress Enable compression extension (def: no)
--enable-const-fsts Enable all ConstFst extensions (def: no)
--enable-far Enable FAR extensions (def: no)
--enable-linear-fsts Enable LinearTagger/ClassifierFst extensions (def: no)
--enable-lookahead-fsts Enable LookAheadFst extensions (def: no)
--enable-mpdt Enable MPDT extensions (def: no)
--enable-ngram-fsts Enable NGramFst extensions (def: no)
--enable-pdt Enable PDT extensions (def: no)
--enable-python Enable Python extensions (def: no)
Configuring with --enable-bin=no gives very fast compiles, but
excludes the command line utilities.
Configuring with --enable-python will attempt to install the Python module
to whichever 'site-packages' (or 'dist-packages', on Debian or Ubuntu)
is found during configuration.
The flag --with-libfstdir specifies where FST extensions should be
installed; it defaults to ${libdir}/fst.
Compiling with -Wall -Wno-sign-compare under g++ should give no
warnings from this library.
USAGE:
Assuming you've installed under the default /usr/local, the FST binaries are
found on /usr/local/bin.
To use in your own program, include <fst/fstlib.h> and compile with
'-I /usr/local/include'. The compiler must support C++11 (for g++ add the
flag "-std=c++11"). Link against /usr/local/lib/libfst.so and -ldl. Set your
LD_LIBRARY_PATH (or equivalent) to contain /usr/local/lib. The linking is,
by default, dynamic so that the Fst and Arc type DSO extensions can be used
correctly if desired. Any extensions will be found under
/usr/local/lib/fst or /usr/local/include/fst/extensions.
DOCUMENTATION:
See www.openfst.org for general documentation.
See ./NEWS for updates since the last release.
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