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OpenFst: Release 1.6.7.

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 OS 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 executables (def: yes)
  --enable-compact-fsts    Enable CompactFst extensions (def: no)
  --enable-compress        Enable compression extension (def: no)
  --enable-const-fsts      Enable ConstFst extensions (def: no)
  --enable-far             Enable FAR extensions (def: no)
  --enable-grm             Enable all dependencies of OpenGrm (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 extension (def: no)
  --enable-special         Enable special-matcher 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.

  If you encounter an error about loading shared objects when attempting to use
  the library immediately after installation, (e.g, `...cannot open shared
  object file...`) you may need to refresh your system's shared object cache.
  On Linux, this is accomplished by invoking ldconfig; the corresponding command
  on OS X is called update_dyld_shared_cache. Both of these require superuser
  privileges (and so should be executed with sudo).

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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