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@@ -1,113 +0,0 @@ -This is flex, the fast lexical analyzer generator. - -flex is a tool for generating scanners: programs which recognize -lexical patterns in text. - -More information about flex as well as the latest official release of -flex can be found at: - -http://flex.sourceforge.net/ - -The flex codebase is kept in git at: - -https://github.com/westes/flex - -Bugs and pull requests should be filed against flex using github's -issue tracker and pull request facilities. - -There are several mailing lists available as well: - -flex-announce@lists.sourceforge.net - where posts will be made -announcing new releases of flex. - -flex-help@lists.sourceforge.net - where you can post questions about -using flex - -flex-devel@lists.sourceforge.net - where you can discuss development of -flex itself - -Find information on subscribing to the mailing lists at: - -http://sourceforge.net/mail/?group_id=97492 - -The flex distribution contains the following files which may be of interest: - -README - This file. -NEWS - current version number and list of user-visible changes. -INSTALL - basic installation information. -ABOUT-NLS - description of internationalization support in flex. -COPYING - flex's copyright and license. -doc/ - user documentation. -examples/ - containing examples of some possible flex scanners and a - few other things. See the file examples/README for more details. -TODO - outstanding bug reports, desired features, etc. -tests/ - regression tests. See TESTS/README for details. -po/ - internationalization support files. - -You need the following tools to build flex from the maintainer's -repository: - -compiler suite - flex is built with gcc -bash, or a good Bourne-style shell -m4 - m4 -p needs to work; GNU m4 and a few others are suitable -GNU bison; to generate parse.c from parse.y -autoconf; for handling the build system -automake; for Makefile generation -gettext; for i18n support -help2man; to generate the flex man page -tar, gzip, etc.; for packaging of the source distribution - -GNU texinfo; to build and test the flex manual. Note that if you want -to build the dvi/ps/pdf versions of the documentation you will need -texi2dvi and related programs, along with a sufficiently powerful -implementation of \TeX to process them. See your operating system -documentation for how to achieve this. The printable versions of the -manual are not built unless specifically requested, but the targets -are included by automake. - -GNU indent; for indenting the flex source the way we want it done - -In cases where the versions of the above tools matter, the file -configure.ac will specify the minimum required versions. - -Once you have all the necessary tools installed, life becomes -simple. To prepare the flex tree for building, run the script: - -$ ./autogen.sh - -in the top level of the flex source tree. -This script calls the various tools needed to get flex ready for the -GNU-style configure script to be able to work. - -From this point on, building flex follows the usual configure, make, -make install routine. - -This file is part of flex. - -This code is derived from software contributed to Berkeley by -Vern Paxson. - -The United States Government has rights in this work pursuant -to contract no. DE-AC03-76SF00098 between the United States -Department of Energy and the University of California. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions -are met: - -1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. -2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - -Neither the name of the University nor the names of its contributors -may be used to endorse or promote products derived from this software -without specific prior written permission. - -THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR -IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR -PURPOSE. - - |