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---+ !OpenFst README ---+++ !OpenFst - Release 1.5.1 !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). Expected to work wherever adequate [[http://www.opengroup.org/onlinepubs/9699919799][POSIX]] (=dlopen=, =ssize_t=, =basename=), [[http://www.open-std.org/JTC1/SC22/WG14/www/docs/n1256.pdf][c99]] (=snprintf=, =strtoll=, =<stdint.h>=), and [[http://www.stroustrup.com/C++11FAQ.html][C++11]] (=<ordered_set>=, =<ordered_map>=, =<forward_list>=) support are available. ---++++ INSTALLATION: Follow the generic GNU build system instructions in [[DistInstall][./INSTALL]]. We recommend configuring with =--enable-static=no= for faster compiles. Optional features: | *Option* | *Description* | *Default* | | =--enable-bin= | Enable fst::script and command-line binaries | yes | | =--enable-compact-fsts= | Enable all <nop>CompactFst extensions | no | | =--enable-compress= | Enable compression extension | no | | =--enable-const-fsts= | Enable all <nop>ConstFst extensions | no | | =--enable-far= | Enable FAR extensions | no | | =--enable-linear-fsts= | Enable <nop>LinearTagger/ClassifierFst extensions | no | | =--enable-lookahead-fsts= | Enable <nop>LookAheadFst classes | no | | =--enable-mpdt= | Enable MPDT extensions | no | | =--enable-ngram-fsts= | Enable <nop>NGramFst extensions | no | | =--enable-pdt= | Enable PDT extensions | no | | =--enable-python= | Enable Python extensions | 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. 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 normally be found under =/usr/local/lib/fst=. ---++++DOCUMENTATION: See [[FST/WebHome][www.openfst.org]] for general documentation. See [[News/FstNews][./NEWS]] for updates since the last release.
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Topic revision: r22 - 2016-02-11
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KyleGorman
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